A power synthesis system and method

Abstract

The present application proposes a power synthesis system and method, wherein the system includes: an inter-path matching isolation absorption network module, a first space power synthesis network module, a second space power synthesis network module and a signal sampling network module; wherein the inter-path matching isolation absorption network module is used to match the RF power signal to generate an RF power matching signal; the first space power synthesis network module is used to receive the RF power matching signal and generate a first RF power synthesis signal; the second space power synthesis network module is used to receive the first RF power synthesis signal, generate a second RF power synthesis signal, and send the second RF power synthesis signal to the antenna; the signal sampling network module is used to detect the second RF power synthesis signal. The present application can reduce the power synthesis level and insertion loss, improve the power synthesis efficiency, accurately detect the synthesis power signal, and thus improve the reliability of the system.

Description

Technical Field

[0001] The present invention relates to the technical field of power synthesis, and in particular to a power synthesis system and method. Background Art

[0002] Power synthesis systems are mainly used in radar systems, satellite communications, wireless communication base stations, plasma heating equipment, particle accelerators and other fields. They are mainly used to combine the output signals of multiple lower-power signal sources into a high-power signal.

[0003] At present, in the process of power synthesis, the existing technology has problems such as large number of synthesis stages, large insertion loss, low synthesis efficiency, and inability to accurately detect the synthesized signal. Summary of the invention

[0004] The present application provides a power synthesis system and method. By configuring an inter-path matching isolation absorption network module, a first space power synthesis network module, and a second space synthesis network module, the power synthesis level and insertion loss can be reduced and the power synthesis efficiency can be improved. By configuring a signal sampling network module, the synthesized power signal can be accurately detected to improve the reliability of the system.

[0005] In the first aspect, the present application proposes a power synthesis system, including: an inter-path matching isolation absorption network module, a first space power synthesis network module, a second space power synthesis network module and a signal sampling network module; wherein, one end of the inter-path matching isolation absorption network module is connected to the RF power signal source, and the other end is connected to one end of the first space power synthesis network module; the other end of the first space power synthesis network module is connected to one end of the second space power synthesis network module; the other end of the second space power synthesis network module is connected to the antenna; the signal sampling network module is arranged between the second space power synthesis network module and the antenna; wherein, the inter-path matching isolation absorption network module is used to match the RF power signal to generate an RF power matching signal; the first space power synthesis network module is used to receive the RF power matching signal and generate a first RF power synthesis signal; the second space power synthesis network module is used to receive the first RF power synthesis signal, generate a second RF power synthesis signal, and send the second RF power synthesis signal to the antenna; the signal sampling network module is used to detect the second RF power synthesis signal.

[0006] Optionally, the inter-path matching isolation absorption network module includes: a three-port network matching unit; the three-port network matching unit includes: a first port, a second port and a third port; the first port is used to receive an RF power signal; the second port is used to transmit the RF power matching signal to the first spatial power synthesis network module when the absolute value of the phase difference between the RF power signal and the reference RF power signal is less than or equal to a preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to a preset amplitude difference; when the phase difference of the RF power signal is greater than the preset phase difference, and / or the amplitude difference of the RF power signal is greater than the preset amplitude difference, the RF power signal is transmitted to the third port; the third port is provided with a high-frequency absorber for absorbing the dissipated power signal.

[0007] Optionally, the first space power synthesis network module includes: a first-level directional radiation unit and a first-level signal receiving unit; one end of the first-level directional radiation unit is connected to the second port, and the other end is connected to one end of the first-level signal receiving unit; the other end of the first-level signal receiving unit is connected to the second space power synthesis network module; wherein the first-level directional radiation unit is used to receive the RF power matching signal and directionally radiate the RF power matching signal; the first-level signal receiving unit is used to receive the directionally radiated RF power matching signal and generate a first RF power synthesis signal, and transmit the first RF power synthesis signal to the second space power synthesis network module.

[0008] Optionally, the second spatial power synthesis network module includes: a secondary directional radiation unit, a secondary signal receiving unit and a waveguide control unit; one end of the secondary directional radiation unit is connected to the primary signal receiving unit, and the other end is connected to one end of the secondary signal receiving unit, the other end of the secondary signal receiving unit is connected to the antenna, and the other end of the secondary signal receiving unit is also connected to the waveguide control unit; wherein the secondary directional radiation unit is used to receive the first RF power synthesis signal and directionally radiate the first RF power synthesis signal; the secondary signal receiving unit is used to receive the directionally radiated first RF power synthesis signal, transform the first RF power synthesis signal to the target impedance to generate a second RF power synthesis signal, and send the transformed second RF power synthesis signal to the antenna; the waveguide control unit is used to control the second RF power synthesis signal.

[0009] Optionally, the signal sampling network module includes: a coupling degree detection unit, a direction detection unit and an isolation degree detection unit; wherein the coupling degree detection unit is used to determine the average coupling degree information of the second RF power synthesis signal based on the reflected leakage energy signal; the direction detection unit is used to determine the direction information of the second RF power synthesis signal based on the reflected leakage energy signal; the isolation degree detection unit is used to determine the isolation degree information of the second RF power synthesis signal based on the average coupling degree information and the direction information.

[0010] Optionally, the system is provided with a plurality of transmission lines to transmit transverse magnetic waves, transverse electric waves and / or transverse electromagnetic waves.

[0011] In the second aspect, the present application proposes a power synthesis method, which is applicable to the power synthesis system as described above, and the method includes: obtaining an RF power signal; generating an RF power matching result based on the RF power signal; generating a first-level power synthesis result based on the RF power matching result; generating a second-level power synthesis result based on the first-level power synthesis result; obtaining a leakage energy signal of the second-level power synthesis result, and detecting the second-level power synthesis result based on the leakage energy signal.

[0012] Optionally, an RF power matching result is generated based on the RF power signal, including: matching the RF power signal so that the absolute value of the phase difference between the RF power signal and a reference RF power signal is less than or equal to a preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to a preset amplitude difference.

[0013] Optionally, the above-mentioned generating an RF power matching result based on the RF power signal also includes: absorbing the RF power signal when the absolute value of the phase difference between the RF power signal and the reference RF power signal is greater than a preset phase difference, and / or when the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is greater than a preset amplitude difference.

[0014] Optionally, obtaining a leakage energy signal of a secondary power synthesis result, and detecting the secondary power synthesis result according to the leakage energy signal includes: determining average coupling degree information and direction information of the second RF power synthesis signal according to the reflected leakage energy signal; determining isolation degree information of the secondary power synthesis result according to the average coupling degree information and direction information; and detecting the secondary power synthesis result according to the isolation degree information.

[0015] The power synthesis system proposed in the present application includes: an inter-path matching isolation absorption network module, a first space power synthesis network module, a second space power synthesis network module and a signal sampling network module; wherein one end of the inter-path matching isolation absorption network module is connected to the RF power signal source, and the other end is connected to one end of the first space power synthesis network module; the other end of the first space power synthesis network module is connected to one end of the second space power synthesis network module; the other end of the second space power synthesis network module is connected to the antenna; the signal sampling network module is arranged between the second space power synthesis network module and the antenna; wherein the inter-path matching isolation absorption network module is used to match the RF power signal to generate an RF power matching signal; the first space power synthesis network module is used to receive the RF power matching signal and generate the first RF power synthesis signal; the second space power synthesis network module is used to receive the first RF power synthesis signal, generate the second RF power synthesis signal, and send the second RF power synthesis signal to the antenna; the signal sampling network module is used to detect the second RF power synthesis signal. The present application can reduce the power synthesis level and insertion loss, improve the power synthesis efficiency, accurately detect the synthesis power signal, and thus improve the reliability of the system.

[0016] Other advantages, objectives and features of the present application will be reflected in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the exemplary embodiments below. The accompanying drawings are only for the purpose of illustrating exemplary embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0018] Figure 1 A structural schematic diagram of a power synthesis system provided in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of a power synthesis method provided for an embodiment of the application.

[0020] in, Figure 1 The corresponding relationship between the reference numerals and the structure names is as follows:

[0021] 110: inter-channel matching isolation absorption network module; 120: first space power synthesis network module; 130: second space power synthesis network module; 140: signal sampling network module. DETAILED DESCRIPTION

[0022] In order to better understand the technical solutions provided by the embodiments of this specification, the technical solutions of the embodiments of this specification are described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0023] In this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the statement "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. The term "more than two" includes two or more than two situations.

[0024] In the related art, power synthesis is mainly based on the power of 2 method to combine and output high-power signals. The above power synthesis method has the problems of many synthesis levels, large insertion loss, low synthesis efficiency, and inability to accurately detect the synthesized signal.

[0025] In view of this, an embodiment of the present application provides a power synthesis system and method. By configuring an inter-path matching isolation absorption network module, a first space power synthesis network module and a second space synthesis network module, the power synthesis level and insertion loss can be reduced and the power synthesis efficiency can be improved. By configuring a signal sampling network module, the synthesized power signal can be accurately detected to improve the reliability of the system.

[0026] A first aspect of an embodiment of the present application provides a power synthesis system. Figure 1 FIG. 1 is a schematic diagram of a power synthesis system 100 provided in an embodiment of the present application. Figure 1 As shown, the system 100 includes: an inter-path matching isolation absorption network module 110 , a first spatial power synthesis network module 120 , a second spatial power synthesis network module 130 and a signal sampling network module 140 .

[0027] Among them, one end of the inter-path matching isolation absorption network module is connected to the RF power signal source, and the other end is connected to one end of the first space power synthesis network module; the other end of the first space power synthesis network module is connected to one end of the second space power synthesis network module; the other end of the second space power synthesis network module is connected to the antenna; the signal sampling network module is arranged between the second space power synthesis network module and the antenna.

[0028] Among them, the inter-path matching isolation absorption network module is used to match the RF power signal to generate a RF power matching signal.

[0029] The above-mentioned inter-path matching isolation absorption network module can form multiple RF power signal transmission channels based on the Faraday effect of electromagnetic waves to receive, match and transmit multiple RF power signals from the RF power signal source, wherein the above-mentioned transmission channels are isolated from each other to ensure the one-way detour transmission of each RF power in the inter-path matching isolation absorption network module. The above-mentioned inter-path matching isolation absorption network module can adjust the RF power signal phase value of each channel according to the phase value of the reference RF power signal, so that the absolute value of the difference between the phase value of the RF power signal of each channel and the phase value of the reference RF power signal is less than or equal to the preset phase difference; adjust the RF power signal amplitude value of each channel according to the amplitude value of the reference RF power signal, so that the absolute value of the difference between the amplitude value of the RF power signal of each channel and the amplitude value of the reference RF power signal is less than or equal to the preset amplitude difference, thereby generating an RF power matching signal, and then in the process of generating the first RF power synthesis signal in the first space power synthesis network module and generating the second RF power synthesis signal in the second space power synthesis network module, the probability of mutual interference between signals is reduced. Wherein, the above-mentioned reference RF power signal can be one of the RF power signals of each channel. The above-mentioned preset phase difference and preset amplitude difference can be set according to the accuracy requirement for the first RF power synthesis signal and / or the second RF power synthesis signal or the anti-interference requirement between signals, wherein the preset phase difference and the preset amplitude difference are negatively correlated with the accuracy requirement for the first RF power synthesis signal and / or the second RF power synthesis signal or the anti-interference requirement between signals, that is, the higher the accuracy requirement for the first RF power synthesis signal and / or the second RF power synthesis signal or the anti-interference requirement between signals, the smaller the preset phase difference and the preset amplitude difference.

[0030] In some feasible embodiments, an RF power amplifier may be configured between the RF power signal source and the inter-path matching isolation absorption network module to amplify the RF power signal from the RF power signal source. In some feasible embodiments, an RF microwave absorber may also be configured between each channel to absorb the RF power signal when the absolute value of the difference between the phase value of the RF power signal and the phase value of the reference RF power signal is greater than a preset phase value and / or the absolute value of the difference between the amplitude value of the RF power signal and the amplitude value of the reference RF power signal is greater than a preset amplitude value, thereby improving the flatness of the RF power matching signal.

[0031] The first spatial power synthesis network module is used to receive a radio frequency power matching signal and generate a first radio frequency power synthesis signal.

[0032] The above-mentioned first spatial power synthesis network module is used to receive the multi-path RF power matching signals generated by the above-mentioned inter-path matching isolation absorption network module, and spatially radiate the above-mentioned multi-path RF power matching signals to achieve spatial compression matching of the above-mentioned multi-path RF power matching signals, that is, synthesize the multi-path RF power matching signals at the corresponding spatial distance according to the frequency information of the above-mentioned multi-path RF power matching signals to generate a first RF power synthesis signal.

[0033] In some feasible implementations, a first power density measurement unit may be further provided between the first spatial power synthesis network module and the second spatial power synthesis network module, for determining the power density information of the first RF power synthesis signal, thereby evaluating the performance of the first spatial power synthesis network module. Specifically, the power density measurement unit may determine the power density information of the first RF power synthesis signal based on the following formula according to the power capacity information and volume information of the first spatial power synthesis network module:

[0034]

[0035] in, is the power density of the first spatial power synthesis network module, is the power capacity of the first spatial power synthesis network module, is the volume of the first space power synthesis network module.

[0036] Among them, the second spatial power synthesis network module is used to receive the first RF power synthesis signal, generate a second RF power synthesis signal, and send the second RF power synthesis signal to the antenna.

[0037] The second spatial power synthesis network module is used to receive the first RF power synthesis signal generated by the first spatial power synthesis network module, generate a second RF power synthesis signal based on the first RF power synthesis signal, and send the second RF power synthesis signal to the antenna to supply power to the target device. Exemplarily, the target device may be a radar, a satellite, or other device, which is not specifically limited here.

[0038] In some feasible implementations, a filtering module may be provided between the second space power synthesis network module and the first space power synthesis network module to further reduce the phase difference between the multiple first RF power synthesis signals output by the first space power synthesis network module, thereby realizing the ultra-high power spatial synthesis of the 0-degree phase of the multiple first RF power synthesis signals. In a feasible implementation, the lossless phase superposition of the multiple first RF power synthesis signals may be realized according to the matching simulation algorithm of the band transmission space morphology to improve the concentration of the second RF power synthesis signal. Exemplarily, according to the matching simulation algorithm of the band transmission space morphology and based on the anti-breakdown performance requirements of the power synthesis system, the transmission line of the second space power synthesis network module may be selected and the multiple first RF power synthesis signals may be synthesized at the corresponding spatial distance based on the frequency information of the multiple first RF power synthesis signals to realize the regional matching of the multiple first RF power synthesis signals, thereby improving the scientificity of the spatial voltage distribution of the second space power synthesis network module and improving the matching of the air breakdown thickness with the frequency and power of the first RF power synthesis signal. In some feasible implementations, the second space power synthesis network module may be designed with a window to achieve the addition of the forward equal-amplitude and same-phase first RF power synthesis signals, and the phase diversion and absorption of the difference-amplitude and difference-phase first RF power synthesis signals. Furthermore, the reflected signal may be designed to be phase-cancelled, and the reflected signal may be diverted and absorbed, thereby achieving lossless output of the second RF power synthesis signal. In some feasible implementations, the performance of the second space power synthesis network module may be evaluated based on the absolute value of the difference between the combined gain value of the second RF power synthesis signal and the target reasonable gain value, wherein the target reasonable gain value may be the theoretical combined gain value of the second space power synthesis network module relative to the first space power synthesis network module. Specifically, the target reasonable gain value may be 1 / N Log.

[0039] In some feasible implementations, a second power density measurement unit, a theoretical power output unit, and a combined loss measurement unit may be further provided between the second spatial power synthesis network module and the antenna to evaluate the performance of the second spatial power synthesis network module. The second power density measurement unit is used to determine the power density information of the second RF power synthesis signal. The theoretical power output unit is used to output the theoretical power information of the second RF power synthesis signal. The combined loss measurement unit is used to determine the combined loss information of the second RF power synthesis signal.

[0040] Specifically, the second power density measurement unit may determine the power density information of the second RF power synthesis signal based on the following formula according to the power capacity information and volume information of the second spatial power synthesis network module:

[0041]

[0042] in, is the power density of the second space power synthesis network module, is the power capacity of the second space power synthesis network module, is the volume of the second space power synthesis network module.

[0043] Among them, the power capacity information of the second space power synthesis network module can be determined based on the following formula according to the power capacity information of the second space power synthesis network module, the power information of the first RF power synthesis signal, the maximum field strength information of the first RF power synthesis signal, and the breakdown field strength information of the second space power synthesis network module:

[0044]

[0045] in, is the power capacity information of the second space power synthesis network module, is the power information of the first radio frequency power synthesis signal, The maximum field strength information of the first radio frequency power synthesis signal, It is the breakdown field strength information of the second space power synthesis network module.

[0046] Among them, the theoretical power output unit can determine the theoretical power information of the second RF power synthesis signal based on the following formula according to the single-path power information of the first RF power synthesis signal and the path number information of the first RF power synthesis signal:

[0047]

[0048] in, is the theoretical power of the second RF power synthesis signal, is the single-channel power of the first RF power synthesis signal, is the number of paths of the first RF power synthesis signal.

[0049] The path loss measurement unit may determine the combined path loss information of the second RF power synthesis signal according to the additional insertion loss information and the path number information of the first RF power synthesis signal based on the following formula:

[0050]

[0051] in, is the combining loss of the second RF power synthesis signal, is the number of paths of the first RF power synthesis signal, is the additional insertion loss.

[0052] Wherein, the signal sampling network module is used to detect the second radio frequency power synthesis signal.

[0053] The signal sampling network module can extract the leakage energy signal in the second RF power synthesis signal based on the cross-coupling method during the transmission of the second RF power synthesis signal to the antenna, so as to monitor the reflected energy generated by the second RF power synthesis signal during the transmission process, so as to evaluate the performance of the power synthesis system. The performance of the power synthesis system is negatively correlated with the leakage energy signal. Specifically, the greater the reflected energy generated by the second RF power synthesis signal during the transmission process, the stronger the leakage energy signal, and the worse the performance of the power synthesis system.

[0054] In a feasible implementation, the system parameters can be adjusted according to the leakage energy signal to optimize the system performance. Specifically, the system parameters can include matching network parameters and combiner parameters.

[0055] Based on this, the power synthesis system proposed in the present application includes: an inter-path matching isolation absorption network module, a first space power synthesis network module, a second space power synthesis network module and a signal sampling network module; wherein, one end of the inter-path matching isolation absorption network module is connected to the RF power signal source, and the other end is connected to one end of the first space power synthesis network module; the other end of the first space power synthesis network module is connected to one end of the second space power synthesis network module; the other end of the second space power synthesis network module is connected to the antenna; the signal sampling network module is arranged between the second space power synthesis network module and the antenna; wherein, the inter-path matching isolation absorption network module is used to match the RF power signal to generate an RF power matching signal; the first space power synthesis network module is used to receive the RF power matching signal and generate a first RF power synthesis signal; the second space power synthesis network module is used to receive the first RF power synthesis signal, generate a second RF power synthesis signal, and send the second RF power synthesis signal to the antenna to supply power to the target device; the signal sampling network module is used to detect the second RF power synthesis signal. The present application can realize intra-path matching of multiple RF power signals by configuring an inter-path matching isolation absorption network module to generate multiple RF power matching signals, thereby reducing the probability of mutual interference between signals in the process of generating the first RF power synthesis signal by the first space power synthesis network module and generating the second RF power synthesis signal by the second space power synthesis network module, and improving the signal quality of the first RF power synthesis signal and the second RF power synthesis signal; by configuring the first space power synthesis network module, the first-level synthesis of multiple RF power matching signals can be realized to generate the first RF power synthesis signal; by configuring the second space power synthesis network module, the first RF power synthesis signal can be further synthesized to generate the second RF power synthesis signal, thereby transmitting a high-power signal to the antenna to power the target device; by configuring the signal sampling network module, the second RF power synthesis signal can be detected, thereby detecting the performance of the above-mentioned power synthesis system. Based on this, the present application can reduce the power synthesis level and insertion loss, improve the power synthesis efficiency, and improve the reliability of the system.

[0056] In some feasible embodiments, the inter-path matching isolation absorption network module includes: a three-port network matching unit; the three-port network matching unit includes: a first port, a second port and a third port; the first port is used to receive an RF power signal; the second port is used to transmit the RF power matching signal to the first spatial power synthesis network module when the absolute value of the phase difference between the RF power signal and the reference RF power signal is less than or equal to the preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to the preset amplitude difference; when the phase difference of the RF power signal is greater than the preset phase difference, and / or the amplitude difference of the RF power signal is greater than the preset amplitude difference, the RF power signal is transmitted to the third port; the third port is provided with a high-frequency absorber for absorbing the dissipated power signal.

[0057] Exemplarily, when the RF power signal is input from the first port, the RF power signal whose absolute value of the phase difference with the reference RF power signal is less than or equal to the preset phase difference, and whose absolute value of the amplitude difference with the reference RF power signal is less than or equal to the preset amplitude difference, is output through the second port to be transmitted to the first space power synthesis network module as an RF power matching signal. It should be noted that, based on the Faraday effect, the first port and the third port are in an open circuit state at this time to achieve mutual isolation between the first port and the third port, so that the RF power signal can achieve one-way detour transmission in the above-mentioned inter-path matching isolation absorption network module. The RF power signal whose absolute value of the phase difference with the reference RF power signal is greater than the preset phase difference, and / or whose absolute value of the amplitude difference with the reference RF power signal is greater than the preset amplitude difference, is output to the third port via the second port and is absorbed by the high-frequency absorber arranged at the third port. It should be noted that, based on the Faraday effect, the first port and the second port are in an open circuit state at this time to achieve mutual isolation between the first port and the second port, so that the RF power signal can achieve one-way detour transmission in the above-mentioned inter-path matching isolation absorption network module.

[0058] The above-mentioned dissipated power signal may be an energy signal lost due to impedance mismatch, component loss, reflection, etc. during the transmission of the RF power signal, and is not specifically limited here.

[0059] The inter-path matching isolation absorption network module in the present application is configured with a three-port network matching unit, and the above-mentioned three-port network matching unit is configured with a first port, a second port and a third port. On the one hand, it can realize the one-way bypass transmission of the RF power signal in the above-mentioned inter-path matching isolation absorption network module; on the other hand, it can realize the intra-path phase and amplitude matching of multiple RF power signals, absorb the dissipated power signal, thereby improving the quality of the RF power matching signal, and then in the process of generating the first RF power synthesis signal in the first space power synthesis network module and generating the second RF power synthesis signal in the second space power synthesis network module, the probability of mutual interference between signals is reduced, so as to improve the signal quality of the first RF power synthesis signal and the second RF power synthesis signal, and improve the energy supply effect for the target device.

[0060] In some feasible embodiments, the first space power synthesis network module includes: a first-level directional radiation unit and a first-level signal receiving unit; one end of the first-level directional radiation unit is connected to the second port, and the other end is connected to one end of the first-level signal receiving unit; the other end of the first-level signal receiving unit is connected to the second space power synthesis network module; wherein the first-level directional radiation unit is used to receive the RF power matching signal and directionally radiate the RF power matching signal; the first-level signal receiving unit is used to receive the directionally radiated RF power matching signal and generate a first RF power synthesis signal, and transmit the first RF power synthesis signal to the second space power synthesis network module.

[0061] Exemplarily, the first-level directional radiation unit may include a first radiation probe, and the first-level directional radiation unit is used to process the RF power matching signal based on the first radiation probe so that the RF power matching signal can be directionally radiated in a first power synthesis space.

[0062] The above-mentioned first-level signal receiving unit may include a first receiving probe, and the above-mentioned first-level signal receiving unit is used to receive a directionally radiated RF power matching signal in a first power synthesis space based on the above-mentioned first receiving probe to generate a first RF power synthesis signal, and send the above-mentioned first RF power synthesis signal to the above-mentioned second space power synthesis network module to generate a second RF power synthesis signal.

[0063] The first space power synthesis network module in the present application can realize directional radiation of the RF power matching signal by configuring a first-level directional radiation unit, and can realize absorption and aggregation of the directionally radiated RF power matching signal in the first power synthesis space by configuring a first-level signal receiving unit, thereby realizing the first-level synthesis of the RF power matching signal to generate a first RF power synthesis signal, and providing a material basis for the subsequent second space power synthesis network module to further perform second-level synthesis of the first RF power synthesis signal to generate a second RF power synthesis signal.

[0064] In some feasible embodiments, the second spatial power synthesis network module includes: a secondary directional radiation unit, a secondary signal receiving unit and a waveguide control unit; one end of the secondary directional radiation unit is connected to the primary signal receiving unit, and the other end is connected to one end of the secondary signal receiving unit, the other end of the secondary signal receiving unit is connected to the antenna, and the other end of the secondary signal receiving unit is also connected to the waveguide control unit; wherein the secondary directional radiation unit is used to receive the first RF power synthesis signal and directionally radiate the first RF power synthesis signal; the secondary signal receiving unit is used to receive the directionally radiated first RF power synthesis signal, transform the first RF power synthesis signal to the target impedance to generate a second RF power synthesis signal, and send the transformed second RF power synthesis signal to the antenna; the waveguide control unit is used to control the second RF power synthesis signal.

[0065] Exemplarily, the secondary directional radiation unit may include a second radiation probe, and the secondary directional radiation unit is used to process the first RF power synthesis signal based on the second radiation probe so that the first RF power synthesis signal can be directionally radiated in a second power synthesis space.

[0066] The secondary directional radiation unit may include a second receiving probe, and the secondary directional radiation unit is used to receive the first RF power synthesis signal of the directional radiation in the second power synthesis space based on the second receiving probe, and perform impedance transformation on the first RF power synthesis signal to match the target impedance, thereby generating a second RF power synthesis signal. It should be noted that the target impedance can be determined based on the impedance information of the antenna to match the impedance information of the second RF power synthesis signal with the impedance information of the antenna port. Specifically, the target impedance can be 50 ohms.

[0067] The waveguide control unit can adjust the waveguide cavity size according to the relevant information of the second space power synthesis network module to control the second RF power synthesis signal, thereby improving the working performance of the second space power synthesis network module, and further improving the performance of the power synthesis system. Exemplarily, the relevant information of the second space power synthesis network module may include: insertion loss information, isolation information, standing wave ratio information, input power information, operating frequency information, phase information, amplitude information, etc.

[0068] Preferably, the second spatial power synthesis network module may adopt a surface silver plating process to reduce the loss of the second radio frequency power synthesis signal.

[0069] The second space power synthesis network module in the present application can realize directional radiation of the first RF power synthesis signal by configuring a secondary directional radiation unit, and can realize absorption and aggregation of the directionally radiated first RF power synthesis signal in the second power synthesis space by configuring a secondary signal receiving unit, thereby realizing secondary synthesis of the RF power matching signal, and performing impedance transformation on the first RF power synthesis signal to generate a second RF power synthesis signal, thereby improving the matching degree between the impedance value of the second RF power synthesis signal and the impedance value of the antenna port, thereby improving the transmission efficiency of the second RF power synthesis signal, reducing energy loss, and improving the performance of the power synthesis system, so as to enhance the energy supply effect for the target device.

[0070] In some feasible embodiments, the signal sampling network module includes: a coupling degree detection unit, a direction detection unit and an isolation degree detection unit; wherein the coupling degree detection unit is used to determine the average coupling degree information of the second RF power synthesis signal based on the reflected leakage energy signal; the direction detection unit is used to determine the direction information of the second RF power synthesis signal based on the reflected leakage energy signal; the isolation degree detection unit is used to determine the isolation degree information of the second RF power synthesis signal based on the average coupling degree information and the direction information.

[0071] Exemplarily, the coupling degree detection unit may determine the average coupling degree information of the second RF power synthesis signal based on the following method: The input power of the reflected energy leakage signal and the output power of the coupling end are obtained, and the coupling degree information is determined according to the input power and the output power of the coupling end based on the following formula:

[0072]

[0073] in, is the coupling degree, is the input power, is the coupled end output power.

[0074] The average coupling information is determined according to the following formula:

[0075]

[0076] in, The average coupling degree of is the sampling number, For the coupling degree.

[0077] The signal sampling network module in the present application can realize accurate monitoring of the average coupling degree of the reflected leakage energy signal by configuring a coupling degree detection unit, thereby accurately determining the average coupling degree information of the second RF power synthesis signal, and further accurately evaluating the transmission efficiency of the second RF power signal.

[0078] Exemplarily, the directionality detection unit determines the direction information of the second radio frequency power synthesis signal based on the following formula:

[0079]

[0080] in, For direction, is the power at the isolated end, is the coupling end power, is the isolation end amplitude, is the coupling end amplitude, is the loss from input to isolation end, is the loss from input to coupling end.

[0081] The signal sampling network module in the present application can realize accurate monitoring of the direction information of the second RF power synthesis signal by configuring a direction detection unit, thereby facilitating the optimization of the antenna directivity and the improvement of signal transmission efficiency.

[0082] Exemplarily, the isolation detection unit may determine the isolation signal of the second radio frequency power synthesis signal based on the following formula:

[0083]

[0084] in, is the isolation degree, is the input power, is the power at the isolated end, is the input signal amplitude, is the output signal amplitude, is the insertion loss from input to isolation end, For direction, is the average coupling degree.

[0085] The signal sampling network module in the present application can determine the isolation information of the second RF power synthesis signal according to the average coupling degree information and direction information by configuring the isolation detection unit, thereby determining the synthesis quality and synthesis efficiency of the second RF power synthesis signal.

[0086] It should be noted that the coupling degree detection unit, the direction detection unit and the isolation degree detection unit can be connected to the waveguide control unit, respectively, to adjust the waveguide cavity size based on the average coupling degree information, the direction information and the isolation degree information feedback, so as to reduce the reflection probability of the second RF power synthesis signal and improve the transmission efficiency of the second RF power synthesis signal. In some feasible implementations, the antenna direction can also be adjusted based on the direction information to improve the signal receiving efficiency of the antenna.

[0087] Based on this, the present application can realize accurate monitoring of the reflected energy of the power synthesis system by configuring a coupling detection unit, a direction detection unit and an isolation detection unit, thereby accurately evaluating the power synthesis performance of the above power system.

[0088] In some feasible implementations, the above system is provided with a variety of transmission lines to transmit TM waves, TE waves and / or TEM waves.

[0089] Exemplarily, the above system may be configured with a microstrip transmission line, a waveguide transmission line and / or a coaxial cable transmission line at the same time.

[0090] Specifically, the above system can be configured with microstrip line transmission lines, suspended microstrip line transmission lines, slot line transmission lines, fin line transmission lines and stripline transmission lines at the same time. In some feasible implementations, the inter-path matching isolation absorption network module can be configured with microstrip line transmission lines, the first spatial power synthesis network module can be configured with suspended microstrip line transmission lines or fin line transmission lines, and the second spatial power synthesis network module can be configured with slot line transmission lines or stripline transmission lines.

[0091] Based on this, the power synthesis system proposed in the present application can be used to synthesize radio frequency power signals of different modes, thereby improving the application scope of the power synthesis system of the present application.

[0092] A second aspect of an embodiment of the present application provides a power synthesis method, which is applicable to the power synthesis system as described above. Figure 2 A schematic diagram of a power synthesis method provided in the application example. Figure 2 As shown, the method 200 may include the following steps:

[0093] Step S210, obtaining a radio frequency power signal.

[0094] Step S220: Generate a radio frequency power matching result according to the radio frequency power signal.

[0095] Step S230: generating a first-level power synthesis result according to the RF power matching result.

[0096] Step S240, generating a second-level power synthesis result according to the first-level power synthesis result.

[0097] Step S250, obtaining a leakage energy signal of the secondary power synthesis result, and detecting the secondary power synthesis result according to the leakage energy signal.

[0098] In some feasible implementations, step S220 generates a radio frequency power matching result according to the radio frequency power signal, including:

[0099] Step S2210, matching the RF power signal so that the absolute value of the phase difference between the RF power signal and the reference RF power signal is less than or equal to the preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to the preset amplitude difference.

[0100] In some feasible implementations, the above step S220 generates a radio frequency power matching result according to the radio frequency power signal, and further includes:

[0101] Step S2220, absorbing the RF power signal when the absolute value of the phase difference between the RF power signal and the reference RF power signal is greater than the preset phase difference, and / or when the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is greater than the preset amplitude difference.

[0102] In some feasible implementations, step S250, obtaining a leakage energy signal of the secondary power synthesis result, and detecting the secondary power synthesis result according to the leakage energy signal includes:

[0103] Step S2510: Determine average coupling degree information and direction information of the second radio frequency power synthesis signal according to the reflected leakage energy signal.

[0104] Step S2520, determining isolation information of the secondary power synthesis result according to the average coupling degree information and the direction information;

[0105] Step S2530: Detect the secondary power synthesis result according to the isolation information.

[0106] A person skilled in the art may understand the specific details and beneficial effects of the power synthesis method by reading the above description of the power synthesis system, which will not be described here for the sake of brevity.

[0107] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0108] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

[0109] Although the preferred embodiments of this specification have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of this specification.

[0110] Obviously, those skilled in the art can make various changes and modifications to this specification without departing from the spirit and scope of this specification. Thus, if these modifications and variations of this specification fall within the scope of the claims of this specification and their equivalents, this specification is also intended to include these modifications and variations.

Claims

1. A power synthesis system, characterized in that: include: An inter-path matching isolation absorption network module, a first space power synthesis network module, a second space power synthesis network module and a signal sampling network module; Among them, one end of the inter-path matching isolation absorption network module is connected to the radio frequency power signal source, and the other end is connected to one end of the first spatial power synthesis network module; The other end of the first space power synthesis network module is connected to one end of the second space power synthesis network module; The other end of the second spatial power synthesis network module is connected to the antenna; The signal sampling network module is arranged between the second spatial power synthesis network module and the antenna; Wherein, the inter-path matching isolation absorption network module is used to match the radio frequency power signal to generate a radio frequency power matching signal; The first spatial power synthesis network module is used to receive the radio frequency power matching signal and generate a first radio frequency power synthesis signal; The second spatial power synthesis network module is used to receive the first radio frequency power synthesis signal, generate a second radio frequency power synthesis signal, and send the second radio frequency power synthesis signal to the antenna; The signal sampling network module is used to detect the second radio frequency power synthesis signal; The inter-path matching isolation absorption network module comprises: a three-port network matching unit; The three-port network matching unit includes: a first port, a second port and a third port; The first port is used to receive a radio frequency power signal; The second port is used to transmit the RF power matching signal to the first spatial power synthesis network module when the absolute value of the phase difference between the RF power signal and the reference RF power signal is less than or equal to the preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to the preset amplitude difference; and transmit the RF power signal to the third port when the phase difference of the RF power signal is greater than the preset phase difference and / or the amplitude difference of the RF power signal is greater than the preset amplitude difference; The third port is provided with a high-frequency absorber for absorbing the dissipated power signal.

2. The power synthesis system according to claim 1, characterized in that: The first spatial power synthesis network module includes: a primary directional radiation unit and a primary signal receiving unit; One end of the primary directional radiation unit is connected to the second port, and the other end is connected to one end of the primary signal receiving unit; The other end of the primary signal receiving unit is connected to the second spatial power synthesis network module; Wherein, the primary directional radiation unit is used to receive the radio frequency power matching signal and directionally radiate the radio frequency power matching signal; The primary signal receiving unit is used to receive the directionally radiated RF power matching signal and generate the first RF power synthesis signal, and transmit the first RF power synthesis signal to the second spatial power synthesis network module.

3. The power synthesis system according to claim 2, characterized in that: The second spatial power synthesis network module includes: a secondary directional radiation unit, a secondary signal receiving unit and a waveguide control unit; One end of the secondary directional radiation unit is connected to the primary signal receiving unit, and the other end is connected to one end of the secondary signal receiving unit, the other end of the secondary signal receiving unit is connected to the antenna, and the other end of the secondary signal receiving unit is also connected to a waveguide control unit; The secondary directional radiation unit is used to receive the first radio frequency power synthesis signal and directionally radiate the first radio frequency power synthesis signal; The secondary signal receiving unit is used to receive a first RF power synthesis signal of directionally radiated radiation, transform the first RF power synthesis signal to a target impedance to generate the second RF power synthesis signal, and send the second RF power synthesis signal to the antenna; The waveguide control unit is used to control the second radio frequency power signal.

4. The power synthesis system according to claim 1, characterized in that: The signal sampling network module includes: a coupling degree detection unit, a direction detection unit and an isolation degree detection unit; The coupling degree detection unit is used to determine the average coupling degree information of the second radio frequency power synthesis signal according to the reflected leakage energy signal; The direction detection unit is used to determine the direction information of the second radio frequency power synthesis signal according to the reflected leakage energy signal; The isolation detection unit is used to determine the isolation information of the second radio frequency power synthesis signal according to the average coupling degree information and the direction information.

5. The power synthesis system according to any one of claims 1 to 4, characterized in that: The system is provided with a variety of transmission lines to transmit transverse magnetic waves, transverse electric waves and / or transverse electromagnetic waves.

6. A power synthesis method, characterized in that: Applicable to the power synthesis system of claim 1, the method comprising: Acquire radio frequency power signal; Generating a radio frequency power matching result according to the radio frequency power signal; Generating a first-level power synthesis result according to the RF power matching result; Generating a second-level power synthesis result according to the first-level power synthesis result; Acquire a leakage energy signal of the secondary power synthesis result, and detect the secondary power synthesis result according to the leakage energy signal; Generating a radio frequency power matching result according to the radio frequency power signal includes: Matching the RF power signal so that the absolute value of the phase difference between the RF power signal and the reference RF power signal is less than or equal to a preset phase difference, and the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is less than or equal to a preset amplitude difference; The generating a radio frequency power matching result according to the radio frequency power signal further includes: When the absolute value of the phase difference between the RF power signal and the reference RF power signal is greater than the preset phase difference, and / or when the absolute value of the amplitude difference between the RF power signal and the reference RF power signal is greater than the preset amplitude difference, the RF power signal is absorbed.

7. The power synthesis method according to claim 6, characterized in that: The acquiring of the leakage energy signal of the secondary power synthesis result and detecting the secondary power synthesis result according to the leakage energy signal comprises: Determining average coupling degree information and direction information of the second radio frequency power synthesis signal according to the reflected leakage energy signal; Determining isolation information of the secondary power synthesis result according to the average coupling degree information and the direction information; The secondary power synthesis result is detected according to the isolation information.

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