Method, system and device for realizing power calibration processing for 18G handheld vector signal source, processor and storage medium thereof
Through frequency and power interval division, calibration and temperature compensation processing, the signal accuracy problem of handheld vector signal sources under temperature and frequency changes is solved, and the accurate calibration and stable output of the signal source under different conditions is achieved.
Patent Information
- Application Number
- CN202411079120.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2024-12-27
AI Technical Summary
In the prior art, under temperature and frequency variation, there is uncertainty in signal power calibration of handheld vector signal sources, making it difficult to ensure high accuracy, especially under small signal conditions.
By dividing the frequency and power interval areas, frequency offset calibration, amplifier and attenuator calibration, temperature compensation, and power linearity are configured. Calibration data storage module saves and extracts calibration parameters to achieve accurate calibration of signal sources at different temperatures and frequencies. .
The adaptability of handheld vector signal sources to temperature is improved, the error caused by temperature changes is reduced, and the accuracy and stability of the signal are greatly improved.
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Figure CN119212084A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of signal testing instruments, and in particular to the field of power calibration, and specifically refers to a method, system, device, processor and computer-readable storage medium thereof for implementing power calibration processing for an 18G handheld vector signal source. Background Art
[0002] With the continuous development of communication technology, the new generation of mobile communication technology represented by 5G has received great attention from the industry. In addition to being an upgrade in mobile communication technology, 5G is also a general term for solutions after the evolution and integration of multiple wireless access technologies. It not only solves the communication between people, but also realizes the connection between people and things, things and things, and achieves the interconnection of all things. With the in-depth development of communication technology, it will inevitably bring about rapid progress in the research and development of related communication equipment, chips and testing technology. As the core of testing technology, test instruments provide testing guarantees for the research and development, testing and verification of communication technology. Among them, handheld devices bring very convenient testing conditions; high-precision, high-sensitivity and high-stability handheld vector signal sources play an irreplaceable role in the research and development, testing of equipment manufacturers and the early network construction of operators.
[0003] It is a very worthwhile research topic for handheld vector signal sources to send high-precision signals at different temperatures and gains. Due to the influence of factors such as changes in the external environment, changes in the temperature of the instrument itself, and the nonlinearity of electronic components at different temperatures, the generated signal power will be biased, especially for small signals, which are difficult to guarantee accuracy. Usually, the signal source will be calibrated accordingly to ensure accuracy. The traditional calibration method uses sampling calibration on temperature and frequency, and the principle of using the same calibration data for similar frequencies. Since the calibration parameters of similar temperatures or frequencies may be quite different, it will bring uncertainty to the measurement results. Summary of the invention
[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a method, system, device, processor and computer-readable storage medium for implementing power calibration processing for 18G handheld vector signal source, which has high accuracy, high adaptability and a wide range of applications.
[0005] In order to achieve the above object, the method, system, device, processor and computer-readable storage medium for implementing power calibration processing for an 18G handheld vector signal source of the present invention are as follows:
[0006] The method for implementing power calibration processing for an 18G handheld vector signal source is mainly characterized in that the method comprises the following steps:
[0007] (1) dividing the frequency interval region, dividing the signal frequency of the handheld vector signal source into M frequency intervals;
[0008] (2) dividing the power interval area, dividing the signal power of the handheld vector signal source into N power intervals;
[0009] (3) Calibrate frequency offset;
[0010] (4) configuring calibration parameters and configuring signals to heat the handheld vector signal source to a normal operating temperature;
[0011] (5) Amplifier calibration;
[0012] (6) Attenuator calibration;
[0013] (7) Calibrate different frequency points at the same temperature;
[0014] (8) Calibration temperature compensation;
[0015] (9)Configure power linearity.
[0016] Preferably, the step (3) specifically comprises the following steps:
[0017] Connect the handheld vector signal source and spectrum analyzer to configure signals with different frequency and power segments, set the signal frequency deviation by adjusting the parameters in the frequency offset calibration module to the most accurate state, and save the parameters to the calibration data storage module.
[0018] Preferably, the step (5) specifically comprises the following steps:
[0019] Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to maximize the signal power, adjust the control parameters of the amplifier and attenuator, record the actual amplification value, and save the parameters to the calibration data storage module.
[0020] Preferably, the step (6) specifically comprises the following steps:
[0021] Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to make the signal power, adjust the control parameters of the amplifier and attenuator, record the actual attenuation value, and save the parameters to the calibration data storage module.
[0022] Preferably, the step (7) specifically comprises the following steps:
[0023] Fix the temperature of the handheld vector signal source, configure different frequency points respectively, repeat steps (5) and (6), obtain the amplifier calibration parameters and attenuation calibration parameters, and save them to the calibration data storage module.
[0024] Preferably, the step (8) specifically comprises the following steps:
[0025] The temperature of the handheld vector signal source itself is adjusted to the normal shutdown temperature and the normal operating temperature. Under the two temperature conditions, the frequency points are configured respectively, and the temperature compensation configuration module is used to configure the amplifier and attenuator to output signals. The temperature compensation coefficient of each frequency point is obtained by the difference in signal power with the same amplifier and attenuator configuration at the same frequency point.
[0026] Preferably, the step (9) specifically comprises the following steps:
[0027] According to the configuration of the handheld vector signal source, the corresponding frequency range, power range and temperature compensation coefficient are located by looking up the table in the data storage module, and the corresponding amplifier and attenuator calibration values are obtained by obtaining the frequency and power range; combined with the current temperature T of the handheld vector signal source and the temperature compensation coefficient, the configuration of the power P required for the signal at the frequency point F is calculated.
[0028] The system for performing power calibration processing on the 18G handheld vector signal source for implementing the above method has the following main features: the system comprises:
[0029] A signal generation control module is used to control different modules to generate signals according to different configured signal frequency bands;
[0030] An amplifier calibration module, connected to the signal generation control module, is used to store the real amplification value of the amplifier in the handheld vector signal source at different temperatures or different frequencies into the calibration data storage module;
[0031] An attenuator calibration module, connected to the amplifier calibration module, for storing the actual attenuation of the attenuator in the handheld vector signal source at different temperatures or frequencies into the calibration data storage module;
[0032] A frequency offset calibration module, connected to the attenuator calibration module, is used to adjust the signal frequency accuracy under normal operating temperature conditions, and store the parameters in the calibration data storage module;
[0033] A power linear configuration module, connected to the frequency offset calibration module, is used to extract arbitrary power calibration data at the same frequency through linear calculation under the same frequency condition;
[0034] A temperature compensation configuration module is connected to the power linear configuration module and is used to realize power calibration data extraction at any temperature under the same frequency through linear calculation;
[0035] The calibration data storage module is connected to the temperature compensation configuration module and is used to store calibration data of any power at any frequency and any temperature.
[0036] The main feature of the device for power calibration processing for 18G handheld vector signal source is that the device comprises:
[0037] a processor configured to execute computer executable instructions;
[0038] The memory stores one or more computer executable instructions. When the computer executable instructions are executed by the processor, the various steps of the method for realizing power calibration processing for the 18G handheld vector signal source are implemented.
[0039] The processor for performing power calibration processing on the 18G handheld vector signal source has the main feature that the processor is configured to execute computer executable instructions. When the computer executable instructions are executed by the processor, the various steps of the above-mentioned method for implementing power calibration processing on the 18G handheld vector signal source are implemented.
[0040] The computer-readable storage medium has the main feature of storing a computer program thereon, and the computer program can be executed by a processor to implement the various steps of the above-mentioned method for implementing power calibration processing for an 18G handheld vector signal source.
[0041] The method, system, device, processor and computer-readable storage medium for implementing power calibration processing for 18G handheld vector signal sources of the present invention are adopted to calibrate the amplifier and attenuator under the conditions of the same temperature and the same frequency point, and based on the calibration data, temperature compensation processing is performed according to different amplifier parameters under the conditions of different temperatures and the same frequency points, so that the signal source can obtain accurate calibration data under the conditions of the same frequency and different temperatures, and the temperature compensation processing is repeated at different frequencies, and finally accurate calibration data at different temperatures and different frequencies are obtained, so that the handheld vector signal source can emit accurate and stable signals according to the configuration requirements. The present invention not only improves the adaptability of the handheld vector signal source to temperature, reduces the error caused by temperature changes, and greatly improves the accuracy of the transmitted signal through temperature compensation processing at different temperatures and different frequencies, but also provides a reference for other signal source systems. BRIEF DESCRIPTION OF THE DRAWINGS
[0042] Figure 1 The present invention is a flow chart of a method for implementing power calibration processing for an 18G handheld vector signal source.
[0043] Figure 2The diagram is a calibration instrument connection diagram for implementing a power calibration method for an 18G handheld vector signal source according to the present invention.
[0044] Figure 3 The present invention is a flow chart of the calibration operation of the method for implementing power calibration processing for an 18G handheld vector signal source. DETAILED DESCRIPTION
[0045] In order to more clearly describe the technical content of the present invention, further description is given below in conjunction with specific embodiments.
[0046] The method for implementing power calibration processing for an 18G handheld vector signal source of the present invention comprises the following steps:
[0047] (1) dividing the frequency interval region, dividing the signal frequency of the handheld vector signal source into M frequency intervals;
[0048] (2) dividing the power interval area, dividing the signal power of the handheld vector signal source into N power intervals;
[0049] (3) Calibrate frequency offset;
[0050] (4) configuring calibration parameters and configuring signals to heat the handheld vector signal source to a normal operating temperature;
[0051] (5) Amplifier calibration;
[0052] (6) Attenuator calibration;
[0053] (7) Calibrate different frequency points at the same temperature;
[0054] (8) Calibration temperature compensation;
[0055] (9)Configure power linearity.
[0056] As a preferred embodiment of the present invention, the step (3) specifically comprises the following steps:
[0057] Connect the handheld vector signal source and spectrum analyzer to configure signals with different frequency and power segments, set the signal frequency deviation by adjusting the parameters in the frequency offset calibration module to the most accurate state, and save the parameters to the calibration data storage module.
[0058] As a preferred embodiment of the present invention, the step (5) specifically comprises the following steps:
[0059] Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to maximize the signal power, adjust the control parameters of the amplifier and attenuator, record the actual amplification value, and save the parameters to the calibration data storage module.
[0060] As a preferred embodiment of the present invention, the step (6) specifically comprises the following steps:
[0061] Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to make the signal power, adjust the control parameters of the amplifier and attenuator, record the actual attenuation value, and save the parameters to the calibration data storage module.
[0062] As a preferred embodiment of the present invention, the step (7) specifically comprises the following steps:
[0063] Fix the temperature of the handheld vector signal source, configure different frequency points respectively, repeat steps (5) and (6), obtain the amplifier calibration parameters and attenuation calibration parameters, and save them to the calibration data storage module.
[0064] As a preferred embodiment of the present invention, the step (8) specifically comprises the following steps:
[0065] The temperature of the handheld vector signal source itself is adjusted to the normal shutdown temperature and the normal operating temperature. Under the two temperature conditions, the frequency points are configured respectively, and the temperature compensation configuration module is used to configure the amplifier and attenuator to output signals. The temperature compensation coefficient of each frequency point is obtained by the difference in signal power with the same amplifier and attenuator configuration at the same frequency point.
[0066] As a preferred embodiment of the present invention, the step (9) specifically comprises the following steps:
[0067] According to the configuration of the handheld vector signal source, the corresponding frequency range, power range and temperature compensation coefficient are located by looking up the table in the data storage module, and the corresponding amplifier and attenuator calibration values are obtained by obtaining the frequency and power range; combined with the current temperature T of the handheld vector signal source and the temperature compensation coefficient, the configuration of the power P required for the signal at the frequency point F is calculated.
[0068] The above method of the present invention is a system for performing power calibration processing on an 18G handheld vector signal source, wherein the system comprises:
[0069] A signal generation control module is used to control different modules to generate signals according to different configured signal frequency bands;
[0070] An amplifier calibration module, connected to the signal generation control module, is used to store the real amplification value of the amplifier in the handheld vector signal source at different temperatures or different frequencies into the calibration data storage module;
[0071] An attenuator calibration module, connected to the amplifier calibration module, for storing the actual attenuation of the attenuator in the handheld vector signal source at different temperatures or frequencies into the calibration data storage module;
[0072] A frequency offset calibration module, connected to the attenuator calibration module, is used to adjust the signal frequency accuracy under normal operating temperature conditions, and store the parameters in the calibration data storage module;
[0073] A power linear configuration module, connected to the frequency offset calibration module, is used to extract arbitrary power calibration data at the same frequency through linear calculation under the same frequency condition;
[0074] A temperature compensation configuration module is connected to the power linear configuration module and is used to realize power calibration data extraction at any temperature under the same frequency through linear calculation;
[0075] The calibration data storage module is connected to the temperature compensation configuration module and is used to store calibration data of any power at any frequency and any temperature.
[0076] The device for performing power calibration processing on a 18G handheld vector signal source of the present invention comprises:
[0077] a processor configured to execute computer executable instructions;
[0078] The memory stores one or more computer executable instructions. When the computer executable instructions are executed by the processor, the various steps of the method for realizing power calibration processing for the 18G handheld vector signal source are implemented.
[0079] The processor of the present invention performs power calibration processing on the 18G handheld vector signal source, wherein the processor is configured to execute computer executable instructions. When the computer executable instructions are executed by the processor, the various steps of the above-mentioned method for implementing power calibration processing on the 18G handheld vector signal source are implemented.
[0080] The computer-readable storage medium of the present invention stores a computer program thereon, and the computer program can be executed by a processor to implement the various steps of the above-mentioned method for implementing power calibration processing for an 18G handheld vector signal source.
[0081] In a specific embodiment of the present invention, Figures 1 to 3 , a power calibration method for an 18G handheld vector signal source. Used for handheld vector signal source calibration. To achieve the above purpose, the present invention provides a power calibration method for an 18G handheld vector signal source, and the implementation scheme is as follows:
[0082] A power calibration method for an 18G handheld vector signal source, characterized in that the method comprises a signal generation control module, an amplifier calibration module, an attenuator calibration module, a frequency offset calibration module, a power linear configuration module, a temperature compensation configuration module and a calibration data storage module; implementing the method comprises the following steps:
[0083] (1) Frequency interval area division: the signal frequency of the handheld vector signal source is divided into M frequency intervals from 10 MHz to 18 GHz. The corresponding divided frequency interval points are: F0, F1, ..., F m-1 .
[0084] (2) Power interval area division: the signal power of the handheld vector signal source is divided into N power intervals from 15dB to -130dB. The corresponding power interval points are: P0, P1, ..., P n-1 .
[0085] (3) Frequency offset calibration: connect the handheld vector signal source and the spectrum analyzer to configure signals with different frequency and power segments, set the signal frequency offset by adjusting the parameters in the frequency offset calibration module to the most accurate state, and save the parameters to the calibration data storage module.
[0086] (4) Configure calibration parameters and generate a common signal to heat the handheld vector signal source to normal operating temperature in preparation for calibrating the amplifier and attenuator.
[0087] (5) Amplifier calibration: connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters so that the signal power is 15 dB, adjust the control parameters of the amplifier and attenuator so that the signal is within the range of 15 dB to -130 dB, and record the actual amplification value at intervals of 1 dB or 2 dB. The parameters are saved to the calibration data storage module for the linear configuration of the handheld vector signal source signal.
[0088] (6) Attenuator calibration: connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters so that the signal power is 15 dB, adjust the control parameters of the amplifier and attenuator so that the signal is within the range of 15 dB to -130 dB with an interval of 1 dB or 2 dB, and record the actual attenuation value. The parameters are saved to the calibration data storage module for the linear configuration of the handheld vector signal source signal.
[0089] (7) Calibration at different frequencies at the same temperature: fix the temperature of the handheld vector signal source and configure the frequency points F0, F1, F2, etc. m-1 Repeat steps 5) and 6) to obtain the amplifier calibration parameters Attenuation calibration parameters And save it to the calibration data storage module for the linear configuration of the handheld vector signal source signal.
[0090] (8) Temperature compensation calibration: adjust the temperature of the handheld vector signal source to the normal shutdown temperature and the normal working temperature. Under the two temperature conditions, configure the frequency points F0, F1, F2, ... F m-1 , use the temperature compensation configuration module to configure the amplifier and attenuator to generate signals, and through the same frequency point, the same amplifier and attenuator configuration, the difference in signal power, the temperature compensation coefficient of each frequency point is obtained Among them A k Represents different amplifier parameters.
[0091] (9) Power linear configuration, according to the configuration requirements of the handheld vector signal source, locate the corresponding frequency interval F by looking up the table in the data storage module x 、F x+1 , power range P y , P y+1 , and the temperature compensation coefficient The corresponding amplifier and attenuator calibration values are obtained by obtaining the frequency and power range, and then combined with the current temperature T and temperature compensation coefficient of the handheld vector signal source. The configuration of the power P required for the signal at the frequency F can be calculated using the following formula:
[0092] Amplifier:
[0093] Attenuator:
[0094]
[0095] T0 is the temperature during calibration, L FP is the attenuator parameter without temperature compensation, L FPT Attenuator parameters after temperature compensation.
[0096] According to the above-mentioned power calibration method of a 18G handheld vector signal source, it is characterized in that: the method includes a signal generation control module, an amplifier calibration module, an attenuator calibration module, a frequency offset calibration module, a power linear configuration module, a temperature compensation configuration module and a calibration data storage module;
[0097] The signal generation control module controls different parts of the module to generate signals according to different configured signal frequency bands.
[0098] The amplifier calibration module stores the real amplification value of the amplifier in the handheld vector signal source at different temperatures or different frequencies into the calibration data storage module for power configuration of the signal emitted by the signal source.
[0099] The attenuator calibration module stores the actual attenuation of the attenuator in the handheld vector signal source at different temperatures or frequencies into the calibration data storage module, which has multiple precisions and is used for the power configuration of the signal emitted by the signal source.
[0100] The frequency offset calibration module is used to adjust the signal frequency accuracy under normal working temperature conditions. The parameters are stored in the calibration data storage module and called when the handheld vector signal source sends a signal.
[0101] The power linear configuration module is used to realize the extraction of arbitrary power calibration data at the same frequency by linear calculation of any power in the range of 15dB to -130dB.
[0102] The temperature compensation configuration module is used to realize power calibration data extraction at any temperature under the same frequency through linear calculation at any temperature between 0℃ and +60℃.
[0103] The calibration data storage unit is used to store calibration data of any power at any frequency and any temperature under the temperature condition of 0°C to +60°C and in the frequency range of 10MHz to 18GHz.
[0104] Compared with the prior art, the technical solution of the present invention adds a signal generation control module and a frequency offset calibration module.
[0105] The signal generation control module is used to call different parts of the signal generation control module to generate signals of corresponding frequencies according to signals of different powers at different frequencies configured by the user, so as to make the generated signals meet the power range and signal quality required to be configured at the frequency. It plays a key role in signal sources covering a large frequency range, such as the 18G handheld vector signal source mentioned in this solution, to ensure that the signal source covers the consistency of signal power indicators and signal quality in all frequency bands.
[0106] The frequency offset calibration module is used to adjust the frequency offset calibration module under the normal operating temperature of the signal source, according to different frequency and power segments, and the different parts of the signal generation control module are used to make the signal frequency accuracy reach the best state and save it. When the user configures the signal, it is called according to the frequency power to ensure the frequency accuracy of the signal.
[0107] In addition, the technical solution of the present invention introduces a temperature compensation coefficient. When outputting a signal, the corresponding amplifier and attenuator data are first retrieved for power linear configuration, and then the corresponding temperature compensation coefficient is retrieved through its frequency and the amplifier data after linear configuration. According to the temperature compensation coefficient and the current temperature, the amplifier data and attenuator data after the first linear configuration are configured with temperature compensation linearity. After the signal configuration output is completed, the temperature compensation configuration module will continue to read the temperature and continue the process of temperature compensation linear configuration. The above operations ensure the accuracy and stability of the signal power at different temperatures, and achieve stable and high-precision performance of the signal. In summary, this solution has the functions of signal generation control, frequency offset calibration and continuous temperature linear compensation for high-frequency bands, achieving high-precision, high-stability and stable and consistent signal quality in a wider frequency band.
[0108] The technical solution of the present invention proposes signal generation control, frequency offset calibration and continuous temperature linear compensation for high frequency bands, thereby achieving high precision, high stability and stable and consistent signal quality within a wider frequency band.
[0109] The specific implementation scheme of this embodiment can refer to the relevant description in the above embodiment, which will not be repeated here.
[0110] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.
[0111] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" refers to at least two.
[0112] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by those skilled in the art to which the embodiments of the present invention belong.
[0113] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution device. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.
[0114] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the corresponding program may be stored in a computer-readable storage medium, which, when executed, includes one of the steps of the method embodiment or a combination thereof.
[0115] In addition, each functional unit in each embodiment of the present invention may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.
[0116] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.
[0117] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0118] The method, system, device, processor and computer-readable storage medium for implementing power calibration processing for 18G handheld vector signal sources of the present invention are adopted to calibrate the amplifier and attenuator under the conditions of the same temperature and the same frequency point, and based on the calibration data, temperature compensation processing is performed according to different amplifier parameters under the conditions of different temperatures and the same frequency points, so that the signal source can obtain accurate calibration data under the conditions of the same frequency and different temperatures, and the temperature compensation processing is repeated at different frequencies, and finally accurate calibration data at different temperatures and different frequencies are obtained, so that the handheld vector signal source can emit accurate and stable signals according to the configuration requirements. The present invention not only improves the adaptability of the handheld vector signal source to temperature, reduces the error caused by temperature changes, and greatly improves the accuracy of the transmitted signal through temperature compensation processing at different temperatures and different frequencies, but also provides a reference for other signal source systems.
[0119] In this specification, the present invention has been described with reference to specific embodiments thereof. However, it is apparent that various modifications and variations may be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.
Claims
1. A method for implementing power calibration processing for an 18G handheld vector signal source, characterized in that: The method comprises the following steps: (1) dividing the frequency interval region, dividing the signal frequency of the handheld vector signal source into M frequency intervals; (2) dividing the power interval area, dividing the signal power of the handheld vector signal source into N power intervals; (3) Calibrate frequency offset; (4) configuring calibration parameters and configuring signals to heat the handheld vector signal source to a normal operating temperature; (5) Amplifier calibration; (6) Attenuator calibration; (7) Calibrate different frequency points at the same temperature; (8) Calibration temperature compensation; (9)Configure power linearity.
2. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (3) specifically comprises the following steps: Connect the handheld vector signal source and spectrum analyzer to configure signals with different frequency and power segments, set the signal frequency deviation by adjusting the parameters in the frequency offset calibration module to the most accurate state, and save the parameters to the calibration data storage module.
3. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (5) specifically comprises the following steps: Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to maximize the signal power, adjust the control parameters of the amplifier and attenuator, record the actual amplification value, and save the parameters to the calibration data storage module.
4. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (6) specifically comprises the following steps: Connect the handheld vector signal source and spectrum analyzer, configure the amplifier and attenuator parameters to make the signal power, adjust the control parameters of the amplifier and attenuator, record the actual attenuation value, and save the parameters to the calibration data storage module.
5. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (7) specifically comprises the following steps: Fix the temperature of the handheld vector signal source, configure different frequency points respectively, repeat steps (5) and (6), obtain the amplifier calibration parameters and attenuation calibration parameters, and save them to the calibration data storage module.
6. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (8) specifically comprises the following steps: The temperature of the handheld vector signal source itself is adjusted to the normal shutdown temperature and the normal operating temperature. Under the two temperature conditions, the frequency points are configured respectively, and the temperature compensation configuration module is used to configure the amplifier and attenuator to output signals. The temperature compensation coefficient of each frequency point is obtained by the difference in signal power with the same amplifier and attenuator configuration at the same frequency point.
7. The method for implementing power calibration processing for an 18G handheld vector signal source according to claim 1, characterized in that: The step (9) specifically comprises the following steps: According to the configuration of the handheld vector signal source, the corresponding frequency range, power range and temperature compensation coefficient are located by looking up the table in the data storage module, and the corresponding amplifier and attenuator calibration values are obtained by obtaining the frequency and power range; combined with the current temperature T of the handheld vector signal source and the temperature compensation coefficient, the configuration of the power P required for the signal at the frequency point F is calculated.
8. A system for performing power calibration processing on an 18G handheld vector signal source for implementing the method of claim 1, characterized in that: The system comprises: A signal generation control module is used to control different modules to generate signals according to different configured signal frequency bands; An amplifier calibration module, connected to the signal generation control module, is used to store the real amplification value of the amplifier in the handheld vector signal source at different temperatures or different frequencies into the calibration data storage module; An attenuator calibration module, connected to the amplifier calibration module, for storing the actual attenuation of the attenuator in the handheld vector signal source at different temperatures or frequencies into the calibration data storage module; A frequency offset calibration module, connected to the attenuator calibration module, is used to adjust the signal frequency accuracy under normal operating temperature conditions, and store the parameters in the calibration data storage module; A power linear configuration module, connected to the frequency offset calibration module, is used to extract arbitrary power calibration data at the same frequency through linear calculation under the same frequency condition; A temperature compensation configuration module is connected to the power linear configuration module and is used to realize power calibration data extraction at any temperature under the same frequency through linear calculation; The calibration data storage module is connected to the temperature compensation configuration module and is used to store calibration data of any power at any frequency and any temperature.
9. A device for power calibration processing for an 18G handheld vector signal source, characterized in that: The device comprises: a processor configured to execute computer executable instructions; A memory storing one or more computer executable instructions, wherein when the computer executable instructions are executed by the processor, the steps of the method for implementing power calibration processing for an 18G handheld vector signal source as described in any one of claims 1 to 7 are implemented.
10. A processor for power calibration of an 18G handheld vector signal source, characterized in that: The processor is configured to execute computer executable instructions. When the computer executable instructions are executed by the processor, the various steps of the method for implementing power calibration processing for an 18G handheld vector signal source as described in any one of claims 1 to 7 are implemented.
11. A computer-readable storage medium, characterized in that: A computer program is stored thereon, and the computer program can be executed by a processor to implement the various steps of the method for implementing power calibration processing for an 18G handheld vector signal source as described in any one of claims 1 to 7.
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