A phase monitoring system and control method for a phased array high power microwave system

Abstract

The application discloses a phase monitoring system and a control method for a phased array high-power microwave system, and solves the problem that the prior art cannot accurately monitor the phase of the phased array high-power microwave system. The application can monitor and record the microwave pulse phase generated by each high-power microwave generating unit through the design of a receiving channel, i.e., both a backhaul working mode and an excitation working mode, and the use of a digital processing method. In actual use, if the monitored phase change of the high-power microwave generating unit is inconsistent with the control of the numerical control phase shifter, it can be quickly determined whether the phase drift is of the transmission channel or of the high-power microwave generating unit in the phased array high-power microwave system. If the phase drift is of the channel, certain compensation can be performed in combination with the recorded data, so that the phase of the phased array high-power microwave system can be accurately monitored.

Description

TECHNICAL FIELD

[0001] The present application relates to phased array high power microwave system, specifically relates to a phase monitoring system and control method for phased array high power microwave system. BACKGROUND

[0002] Phased array high power microwave is generated by a plurality of high power microwave generating units with controllable phase microwave pulses, and radiated in space to realize coherent synthesis of field intensity. Therefore, the excitation signal of the high power microwave generating unit of the whole array needs to be generated by the same frequency reference; in addition, the phase of the microwave pulse generated by each high power microwave generating unit needs to be controlled, and the phase relationship between the microwave pulses generated by the high power microwave generating unit needs to be monitored. However, the prior art cannot accurately monitor the phase of the phased array high power microwave system. SUMMARY

[0003] In order to solve the technical problem that the prior art cannot accurately monitor the phase of the phased array high power microwave system, the present application provides a phase monitoring system and control method for phased array high power microwave system.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0005] A phase monitoring system for phased array high power microwave system, characterized in that it comprises a reference frequency generating module, a first RF power divider, a second RF power divider, a digital controlled phase shifter, a one-to-two power divider, a single-pole double-throw switch and a pulse phase measurement module.

[0006] The input end of the reference frequency generating module is connected with an external reference module, the first output end is connected with the input end of the first RF power divider, the second output end is connected with the input end of the second RF power divider, and the third output end is connected with the first input end of the pulse phase measurement module.

[0007] The first RF power divider and the second RF power divider are one-to-N power dividers, and N is the number of high power microwave generating units of the phased array high power microwave system to be measured; the output end of the first RF power divider is connected with the input end of the digital controlled phase shifter.

[0008] The output end of the second RF power divider is connected with the second input end of the pulse phase measurement module.

[0009] The output end of the digital controlled phase shifter is connected with the input end of the one-to-two power divider.

[0010] The first output end of the one-to-two power divider is used to connect the input end of the phased array high power microwave system to be measured, and the second output end of the one-to-two power divider is connected with the first input end of the single-pole double-throw switch.

[0011] The second input end of the single-pole double-throw switch is used for connecting the output end of the phased array high-power microwave system to be tested;

[0012] The third input end of the pulse phase measurement module is connected with the output end of the single-pole double-throw switch.

[0013] Further, the first radio frequency optical transceiver assembly and the second radio frequency optical transceiver assembly are further included;

[0014] The electrical input end of the first radio frequency optical transceiver assembly is connected with the output end of the first radio frequency power divider, the optical output end thereof is in optical path communication with the optical input end of the second radio frequency optical transceiver assembly, the optical input end thereof is in optical path communication with the optical output end of the second radio frequency optical transceiver assembly, and the electrical output end thereof is connected with the third input end of the pulse phase measurement module;

[0015] The electrical output end of the second radio frequency optical transceiver assembly is connected with the input end of the numerical control phase shifter, and the electrical input end thereof is connected with the output end of the single-pole double-throw switch.

[0016] Further, the optical output end of the first radio frequency optical transceiver assembly is in optical path communication with the optical input end of the second radio frequency optical transceiver assembly, and the optical input end of the first radio frequency optical transceiver assembly is in optical path communication with the optical output end of the second radio frequency optical transceiver assembly.

[0017] Further, the pulse phase measurement module includes a digital acquisition processor and N down-conversion channels;

[0018] The N first input ends of the N down-conversion channels are respectively connected with the N output ends of the second radio frequency power divider, the second input end thereof is connected with the electrical output end of the first radio frequency optical transceiver assembly, and the output end thereof is connected with the second input end of the digital acquisition processor;

[0019] The first input end of the digital acquisition processor is connected with the third output end of the reference frequency generation module.

[0020] A phase control method for a phased array high-power microwave system, which adopts the phase monitoring system for the phased array high-power microwave system as described above, and is characterized in that the method comprises the following steps:

[0021] Step 1, the reference frequency generation module receives a reference signal output by an external reference module, and under the action of the reference signal, sends a radio frequency continuous wave excitation signal with a frequency of f c to the first radio frequency power divider, sends a down-conversion local oscillator signal with a frequency of f c +f IF to the second radio frequency power divider, and sends a reference clock to the pulse phase measurement module; wherein f IF is the center frequency of the pulse phase measurement module;

[0022] Step 2, the first radio frequency power divider divides the radio frequency continuous wave excitation signal with a frequency of f c into N paths of reference signals with a frequency of f c and sends them to a one-to-two power divider through a numerical control phase shifter; N is the number of high-power microwave generating units of the high-power microwave system to be measured;

[0023] At the same time, the second radio frequency power divider divides the down-converted local oscillator signal with a frequency of f c +f IF into N paths of down-converted signal with a frequency of f c +f IF and sends them to the pulse phase measurement module;

[0024] Step 3, the one-to-two power divider divides the N paths of reference signals with a frequency of f c after preliminary phase adjustment into two paths respectively, obtaining N paths of first excitation signals and N paths of second excitation signals; and sends the N paths of first excitation signals to a single-pole double-throw switch for loopback transmission, and sends the N paths of second excitation signals to the N high-power microwave generating units in the high-power microwave system to be measured respectively;

[0025] Step 4, the single-pole double-throw switch sends the N paths of first excitation signals to the pulse phase measurement module for loopback transmission, or sends the N paths of microwave pulse signals generated by the N high-power microwave generating units excited by the N paths of second excitation signals to the pulse phase measurement module;

[0026] Step 5, the pulse phase measurement module processes the first excitation signal or the microwave pulse signal through the down-converted local oscillator signal with a frequency of f c +f IF and the reference clock to obtain the phase monitoring result of the intermediate frequency pulse signal or the intermediate frequency excitation signal;

[0027] Step 6, compare the intermediate frequency pulse signal phase monitoring result and the intermediate frequency excitation signal phase monitoring result, if there is a difference, return to step 3, adjust the phase of the reference signal with a frequency of f c through the numerical control phase shifter until the intermediate frequency pulse signal phase monitoring result and the intermediate frequency excitation signal phase monitoring result obtained by the pulse phase measurement module are consistent, so as to compensate the microwave pulse signal generated by the high-power microwave generating unit.

[0028] Further, in step 2, the first radio frequency power divider divides the radio frequency continuous wave excitation signal with a frequency of f c into N paths of reference signals with a frequency of f c and sends them to a one-to-two power divider through a numerical control phase shifter; specifically including:

[0029] A, the first radio frequency power divider divides the radio frequency continuous wave excitation signal with a frequency of fc The radio frequency continuous wave excitation signal is divided into N channels with a frequency of f c The reference signal is sent to the first radio frequency optical transceiver component;

[0030] B. The first radio frequency optical transceiver component receives N channels with frequency f c The reference signal is converted into an electro-optical signal and then N beams of the first optical signal are generated and sent to the second radio frequency optical transceiver component.

[0031] C. The second radio frequency optical transceiver component receives N beams of the first optical signal and performs photoelectric conversion, converting it back to N channels with frequency f. c The reference signal is then sent to the 1-to-2 power divider via a digitally controlled phase shifter;

[0032] Step 4 specifically includes:

[0033] 4.1 A single-pole double-throw switch can loop back and send N first excitation signals to the second radio frequency optical transceiver component, or send N microwave pulse signals generated by N high-power microwave generating units after being excited by N second excitation signals to the second radio frequency optical transceiver component.

[0034] 4.2 The second radio frequency optical transceiver component receives N microwave pulse signals or N first excitation signals and performs electro-optic conversion to generate N beams of second optical signals, which are then sent to the first radio frequency optical transceiver component.

[0035] 4.3 The first radio frequency optical transceiver component receives N beams of second optical signals, performs photoelectric conversion, and then converts them back into N microwave pulse signals or N first excitation signals, which are then sent to the pulse phase measurement module.

[0036] Furthermore, step 5 specifically includes:

[0037] 5.1. N downconversion channels pass through a frequency of f c +f IF The down-conversion local oscillator signal will down-convert N microwave pulse signals into N channels with a frequency of f. IF The intermediate frequency pulse signal, or through a frequency of f c +f IF The down-conversion local oscillator signal will down-convert the N-channel first excitation signals into N-channel frequencies of f. IF The intermediate frequency excitation signal;

[0038] 5.2 The digital acquisition processor converts the N intermediate frequency pulse signals into a first digital baseband signal based on the reference clock to obtain the phase monitoring result of the intermediate frequency pulse signal; or, the digital acquisition processor converts the N intermediate frequency excitation signals into a second digital baseband signal based on the reference clock to obtain the phase monitoring result of the intermediate frequency excitation signal.

[0039] The beneficial effects of this invention are:

[0040] 1. The application provides a phase monitoring system and control method for a phased array high-power microwave system, which can monitor and record the microwave pulse phase generated by each high-power microwave generating unit through the design of a receiving channel, i.e. both a backhaul mode and an excitation mode, and the use of a digital processing method; in actual use, if the phase change of the monitored high-power microwave generating unit is inconsistent with the control of the numerical control phase shifter, it can quickly locate whether it is the phase drift of the transmission channel or the phase drift of the high-power microwave generating unit in the phased array high-power microwave system. If it is the drift of the channel, it can be compensated to some extent in combination with the recorded data, so as to accurately monitor the phase of the phased array high-power microwave system.

[0041] 2. The application converts radio frequency signals into optical signals for transmission, which can effectively avoid the influence of electromagnetic interference on the phase of the transmission channel, and also can reduce the amount of cable used and improve the compactness of the connection between each component in the system.

[0042] 3. The phase monitoring system for the phased array high-power microwave system provided by the application is connected with an external reference module for the input of an external reference frequency, which can realize the expansion connection of more units. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of an embodiment of a phase monitoring system for a phased array high-power microwave system.

[0044] Markings in the figure:

[0045] 1, 2 - first radio frequency power divider, 3 - second radio frequency power divider, 4 - numerical control phase shifter, 5 - one-to-two power divider, 6 - single-pole double-throw switch, 7 - pulse phase measurement module, 71 - digital acquisition processor, 72 - down conversion channel, 8 - phased array high-power microwave system to be measured, 9 - first radio frequency optical transceiver assembly, 10 - second radio frequency optical transceiver assembly. DETAILED DESCRIPTION

[0046] The technical solutions of the application will be described clearly and completely in combination with the drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the application, not all the embodiments. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0047] The embodiment of the application provides a phase monitoring system for a phased array high-power microwave system, which realizes the functions of reference frequency generation, transmission, phase control and pulse phase monitoring of the phased array high-power microwave system, such asFigure 1 The system comprises a reference frequency generating module, a first radio frequency power divider 2, a second radio frequency power divider 3, a first radio frequency optical transceiver assembly 9, a second radio frequency optical transceiver assembly 10, a numerical control phase shifter 4, a one-to-two power divider 5, a single-pole double-throw switch 6, and a pulse phase measurement module 7; the first radio frequency power divider 2 and the second radio frequency power divider 3 are one-to-N power dividers.

[0048] The input end of the reference frequency generating module is connected with an external reference module, the first output end is connected with the input end of the first radio frequency power divider 2, the second output end is connected with the input end of the second radio frequency power divider 3, and the third output end is connected with the first input end of the pulse phase measurement module 7.

[0049] The reference frequency generating module has the following functions: first, generating a radio frequency continuous wave excitation signal with a frequency of f c , which is used to excite N high-power microwave generating units in the phased array high-power microwave system to be measured; second, generating a down-conversion local oscillator signal with a frequency of f c +f IF , wherein f IF is the center frequency of N down-conversion channels (72) in the pulse phase measurement module 7; third, the module also has the functions of receiving an external reference frequency for frequency locking and phase locking, and outputting the reference frequency (generally 100 MHz) to the outside; fourth, generating an AD sampling required by the pulse phase measurement module 77 and a system working clock (i.e. a reference clock).

[0050] The output end of the first radio frequency power divider 2 is connected with the electrical input end of the first radio frequency optical transceiver assembly 9.

[0051] The optical output end of the first radio frequency optical transceiver assembly 9 is in communication with the optical input end of the second radio frequency optical transceiver assembly 10 through an optical fiber optical path, the optical input end is in communication with the optical output end of the second radio frequency optical transceiver assembly 10 through an optical fiber optical path, and the electrical output end is connected with the third input end of the pulse phase measurement module 7.

[0052] The electrical output end of the second radio frequency optical transceiver assembly 10 is connected with the input end of the numerical control phase shifter 4, and the electrical input end is connected with the output end of the single-pole double-throw switch 6.

[0053] The output end of the second radio frequency power divider 3 is connected with the second input end of the pulse phase measurement module 7.

[0054] The output end of the numerical control phase shifter 4 is connected with the input end of the one-to-two power divider 5.

[0055] The first output end of the one-to-two power divider 5 is used for connecting the input end of the phased array high-power microwave system to be measured, and the second output end of the one-to-two power divider 5 is connected with the first input end of the single-pole double-throw switch 6.

[0056] The second input end of the single-pole double-throw switch 6 is used for connecting the output end of the phased array high-power microwave system to be tested;

[0057] The pulse phase measurement module 7 comprises a digital acquisition processor 71 and N down-conversion channels 72.

[0058] The N first input ends of the N down-conversion channels 72 are respectively connected to the N output ends of the second radio frequency power divider 3, the second input ends thereof are connected to the electrical output ends of the first radio frequency optical transceiver assembly 9, and the output ends thereof are connected to the second input end of the digital acquisition processor 71; the first input end of the digital acquisition processor 71 is connected to the third output end of the reference frequency generation module.

[0059] The above system divides the radio frequency continuous wave excitation signal with a frequency of f c and the down-conversion local oscillator signal with a frequency of f c +f IF into N paths, where N is the number of high-power microwave generation units of the phased array high-power microwave system to be tested.

[0060] The radio frequency signal optical transmission transceiver assembly (i.e., the first radio frequency optical transceiver assembly 9 and the second radio frequency optical transceiver assembly 10) realizes the conversion of radio frequency signals and optical signals, realizes the input of radio frequency signals, and uses optical signals (i.e., N first optical signals and N second optical signals) for transmission. Among them, the radio frequency continuous wave excitation signal with a frequency of f c is transmitted to the channel of the phased array high-power microwave system to be tested as an uplink channel; the microwave pulse signal generated after the phased array high-power microwave system to be tested is excited and returned as a downlink channel. The number of uplink channels and downlink channels is N.

[0061] The radio frequency output of the uplink channel passes through a digital controlled phase shifter 4 and is then divided into two by a power divider 5, one of which is used to excite the N high-power microwave generation units of the phased array high-power microwave system to be tested, and the other is directly looped back through a single-pole double-throw switch 6.

[0062] Whether it is the loopback of the excitation signal (i.e., N first excitation signals and N second excitation signals) or the return of the microwave pulse signal, it is output from the radio frequency output port of the downlink channel and enters the pulse phase measurement module 7.

[0063] At the same time, the first radio frequency power divider 2 also transmits the down-conversion local oscillator signal with a frequency of f c +f IF to the pulse phase measurement module 7 as a down-conversion local oscillator. Therefore, in the pulse phase measurement module 7, the returned first excitation signal or microwave pulse signal is down-converted to a frequency of f IFThe intermediate frequency signal is digitally sampled.

[0064] When the microwave pulse signal is returned: the intermediate frequency pulse signal with a frequency of f IF is digitally sampled, then digitally down-converted, the position of the microwave pulse is found through the constant false alarm detection technology, and the phase comparison of the in-phase and quadrature-phase is performed to obtain the phase of the pulse. The phase difference of each high-power microwave generating unit is compared, which is the monitoring result of the phase of each high-power microwave generating unit.

[0065] When the excitation signal (i.e. the first excitation signal) is returned: the intermediate frequency excitation signal with a frequency of f IF is digitally sampled, then digitally down-converted, and the phase monitoring result of the loop is directly obtained through the comparison of the in-phase and quadrature-phase.

[0066] The specific control method comprises the following steps:

[0067] Step 1: The reference frequency generating module 1 receives the reference signal (generally 100 MHz) output by the external reference module and acts on it, and then sends the radio frequency continuous wave excitation signal with a frequency of f c to the first radio frequency power divider 2, sends the down-conversion local oscillator signal with a frequency of f c +f IF to the second radio frequency power divider 3, and sends the reference clock to the pulse phase measurement module 7; wherein f IF is the center frequency of the pulse phase measurement module 7;

[0068] Step 2: The first radio frequency power divider 2 divides the radio frequency continuous wave excitation signal with a frequency of f c into N paths of reference signals with a frequency of f c , and sends them to the one-to-two power divider 5 through the numerical control phase shifter 4; specifically including:

[0069] A. The first radio frequency power divider divides the radio frequency continuous wave excitation signal with a frequency of f c into N paths of reference signals with a frequency of f c , and sends them to the first radio frequency optical transceiver assembly 9;

[0070] B. The first radio frequency optical transceiver assembly 9 receives N paths of reference signals with a frequency of f c , and generates N beams of first optical signals after electro-optical conversion, and sends them to the second radio frequency optical transceiver assembly 10;

[0071] C. The second radio frequency optical transceiver assembly 10 receives N beams of first optical signals and converts them back to N paths of reference signals with a frequency of f c through photoelectric conversion, and sends them to the one-to-two power divider 5 through the numerical control phase shifter 4.

[0072] The first radio frequency power divider 2 will also have a frequency of f c +f IF The down-conversion local oscillator signal is divided into N channels with frequencies of f. c +f IF The down-conversion signal is sent to the pulse phase measurement module 7;

[0073] Step 3: The 1-to-2 power divider 5 will adjust the phase of the N channels to a frequency of f. c The reference signal is divided into two paths to obtain N first excitation signals and N second excitation signals. The N first excitation signals are sent to the single-pole double-throw switch 6 for loop transmission, and the N second excitation signals are sent to the N high-power microwave generating units in the phased array high-power microwave system under test.

[0074] Step 4: The single-pole double-throw switch 6 loops back and sends the N first excitation signals to the pulse phase measurement module 7, or sends the N microwave pulse signals generated by the N high-power microwave generating units after being excited by the N second excitation signals to the pulse phase measurement module 7; specifically including:

[0075] 4.1 The single-pole double-throw switch 6 transmits the N first excitation signals back to the second radio frequency optical transceiver component 10, or transmits the N microwave pulse signals generated by the N high-power microwave generating units after being excited by the N second excitation signals to the second radio frequency optical transceiver component 10.

[0076] 4.2 The second radio frequency optical transceiver component 10 receives N microwave pulse signals or N first excitation signals and performs electro-optic conversion to generate N beams of second optical signals, which are then sent to the first radio frequency optical transceiver component 9.

[0077] 4.3 The first radio frequency optical transceiver component 9 receives N beams of second optical signals, performs photoelectric conversion, and then converts them back into N microwave pulse signals or N first excitation signals and sends them to the pulse phase measurement module 7.

[0078] Step 5: The pulse phase measurement module 7 passes through a frequency of f c +f IF The down-conversion local oscillator signal and reference clock are used to process the first excitation signal or microwave pulse signal to obtain the phase monitoring results of the intermediate frequency pulse signal or intermediate frequency excitation signal; specifically including:

[0079] 5.1. N downconversion channels 72 pass through a frequency of f c +f IF The down-conversion local oscillator signal will down-convert N microwave pulse signals into N channels with a frequency of f. IF The intermediate frequency pulse signal, or through a frequency of f c +f IFdown-convert the N paths of first excitation signals into N paths of intermediate frequency excitation signals with frequency f IF ;

[0080] 5.2, the digital acquisition processor 71 converts the N paths of intermediate frequency pulse signals into first digital baseband signals based on the reference clock to obtain the phase monitoring result of the intermediate frequency pulse signals; or, the digital acquisition processor 71 converts the N paths of intermediate frequency excitation signals into second digital baseband signals based on the reference clock to obtain the phase monitoring result of the intermediate frequency excitation signals.

[0081] Step 6, compare the intermediate frequency pulse signal phase monitoring result and the intermediate frequency excitation signal phase monitoring result, if there is a difference between the two, return to step 3, adjust the phase of the reference signal with frequency f c by the digital controlled phase shifter 4 until the intermediate frequency pulse signal phase monitoring result obtained by the pulse phase measurement module 7 and the intermediate frequency excitation signal phase monitoring result are consistent, thereby compensating the microwave pulse signal generated by the high-power microwave generating unit.

[0082] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any change or replacement within the technical scope disclosed by the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A phase monitoring system for a phased array high power microwave system, characterized by: The reference frequency generating module (1), the first radio frequency power divider (2), the second radio frequency power divider (3), the numerical control phase shifter (4), the one-to-two power divider (5), the single-pole double-throw switch (6) and the pulse phase measurement module (7) are connected in series. The input end of the reference frequency generating module (1) is connected with an external reference module, the first output end is connected with the input end of the first radio frequency power divider (2), the second output end is connected with the input end of the second radio frequency power divider (3), and the third output end is connected with the first input end of the pulse phase measurement module (7). The first radio frequency power divider (2) and the second radio frequency power divider (3) are both one-to-N power dividers, and N is the number of high-power microwave generating units of the to-be-tested phased array high-power microwave system (8). The output end of the first radio frequency power divider (2) is connected with the input end of the numerical control phase shifter (4). The output end of the second radio frequency power divider (3) is connected with the second input end of the pulse phase measurement module (7). The output end of the numerical control phase shifter (4) is connected with the input end of the one-to-two power divider (5). The first output end of the one-to-two power divider (5) is used for connecting the input end of the to-be-tested phased array high-power microwave system (8), and the second output end is connected with the first input end of the single-pole double-throw switch (6). The second input end of the single-pole double-throw switch (6) is used for connecting the output end of the to-be-tested phased array high-power microwave system (8). The third input end of the pulse phase measurement module (7) is connected with the output end of the single-pole double-throw switch (6).

2. The phase monitoring system for a phased array high power microwave system of claim 1, wherein: Further comprising a first radio frequency optical transceiver assembly (9) and a second radio frequency optical transceiver assembly (10). The electrical input end of the first radio frequency optical transceiver assembly (9) is connected with the output end of the first radio frequency power divider (2), the optical output end is in optical communication with the optical input end of the second radio frequency optical transceiver assembly (10), the optical input end is in optical communication with the optical output end of the second radio frequency optical transceiver assembly (10), and the electrical output end is connected with the third input end of the pulse phase measurement module (7). The electrical output end of the second radio frequency optical transceiver assembly (10) is connected with the input end of the numerical control phase shifter, and the electrical input end is connected with the output end of the single-pole double-throw switch (6).

3. The phase monitoring system for a phased array high power microwave system of claim 2, wherein: The optical output end of the first radio frequency optical transceiver assembly (9) is in optical communication with the optical input end of the second radio frequency optical transceiver assembly (10) through an optical fiber optical path, and the optical input end of the first radio frequency optical transceiver assembly (9) is in optical communication with the optical output end of the second radio frequency optical transceiver assembly (10) through an optical fiber optical path.

4. The phase monitoring system for a phased array high power microwave system of claim 1 or 2 or 3, characterized in that: The pulse phase measurement module (7) comprises a digital acquisition processor (71) and N down-conversion channels (72). The N first input ends of the N down-conversion channels (72) are respectively connected with the N output ends of the second radio frequency power divider (3), the second input end is connected with the output end of the single-pole double-throw switch (6), and the output end is connected with the second input end of the digital acquisition processor (71). The first input end of the digital acquisition processor (71) is connected with the third output end of the reference frequency generating module (1).

5. A phase control method for a phased array high power microwave system, using the phase monitoring system of any one of claims 1-4, characterized in that, The method comprises the following steps: Step 1, the reference frequency generating module (1) receives the reference signal outputted by the external reference module, and under the action of the reference signal, sends the radio frequency continuous wave excitation signal with the frequency of f c to the first radio frequency power divider (2), sends the down-conversion local oscillator signal with the frequency of f c +f IF to the second radio frequency power divider (3), and sends the reference clock to the pulse phase measurement module (7); wherein f IF is the center frequency of the pulse phase measurement module (7); Step 2, the first radio frequency power divider (2) divides the radio frequency continuous wave excitation signal with frequency f c into N reference signals with frequency f c , and sends the reference signals to a 1-to-2 power divider (5) through a numerical control phase shifter (4); N is the number of high-power microwave generating units of the phased array high-power microwave system (8) to be measured; Meanwhile, the second radio frequency power divider (3) divides the down-converted local oscillation signal with frequency f c +f IF into N down-converted sub-signals with frequency f c +f IF and sends them to the pulse phase measurement module (7); Step 3, the power divider (5) divides the N reference signals with the frequency of f c after the preliminary phase adjustment into two paths respectively, to obtain N first excitation signals and N second excitation signals; and sends the N first excitation signals to the single-pole double-throw switch (6) for loop transmission, and sends the N second excitation signals to N high-power microwave generating units in the phased array high-power microwave system (8) to be tested respectively; Step 4, the single-pole double-throw switch (6) sends the N first excitation signals in a loop to the pulse phase measurement module (7), or sends the N microwave pulse signals generated by the N high-power microwave generating units after being excited by the N second excitation signals to the pulse phase measurement module (7); Step 5, the pulse phase measurement module (7) processes the first excitation signal or microwave pulse signal by a frequency f c + f IF down-converted local oscillator signal and a reference clock to obtain a phase monitoring result of the intermediate frequency pulse signal or intermediate frequency excitation signal; Step 6, comparing the intermediate frequency pulse signal phase monitoring result and the intermediate frequency excitation signal phase monitoring result, if there is a difference, returning to step 3, adjusting the phase of the reference signal with a frequency of f c by the numerical control phase shifter (4) until the intermediate frequency pulse signal phase monitoring result obtained by the pulse phase measurement module (7) and the intermediate frequency excitation signal phase monitoring result are consistent, thereby compensating the microwave pulse signal generated by the high-power microwave generation unit.

6. The phase control method for a phased array high power microwave system of claim 5, wherein, In step 2, the first RF power divider (2) divides the RF continuous wave excitation signal with frequency f c into N paths of reference signals with frequency f c , and sends them to a 1-to-2 power divider (5) through a digital controlled phase shifter (4); specifically including: A, the first radio frequency power divider (2) divides the radio frequency continuous wave excitation signal with frequency f c into N paths of reference signals with frequency f c , and sends to the first radio frequency optical transceiver component (9); B, the first radio frequency optical transceiver component (9) receives N path frequency f c reference signal, and after the electro-optical conversion, generates N first optical signal to the second radio frequency optical transceiver component (10); C. The second radio frequency optical transceiver component (10) receives N beams of first optical signals and performs photoelectric conversion, converts them back to N paths of reference signals with a frequency of f c , and sends them to a 1-to-2 power divider (5) through a numerical control phase shifter (4); Step 4 specifically includes: 4.1, the single-pole double-throw switch (6) sends the N first excitation signals in a loop to the second radio frequency optical transceiver assembly (10), or sends the N microwave pulse signals generated by the N high-power microwave generating units after being excited by the N second excitation signals to the second radio frequency optical transceiver assembly (10); 4.2, the second radio frequency optical transceiver assembly (10) receives the N microwave pulse signals or the N first excitation signals and performs electro-optical conversion to generate N second optical signals and sends them to the first radio frequency optical transceiver assembly (9); 4.3, the first radio frequency optical transceiver assembly (9) receives the N second optical signals, performs photoelectric conversion, and then converts them back to the N microwave pulse signals or the N first excitation signals and sends them to the pulse phase measurement module (7).

7. The phase control method for a phased array high power microwave system of claim 6, wherein, Step 5 specifically includes: 5.1 The N down-conversion channels (72) down-convert the N microwave pulse signals to N intermediate frequency pulse signals having a frequency of f c +f IF by means of a down-conversion local oscillator signal having a frequency of f IF +f c or down-convert the N first excitation signals to N intermediate frequency excitation signals having a frequency of f IF +f IF by means of a down-conversion local oscillator signal having a frequency of f 5.2, the digital acquisition processor (71) converts the N intermediate frequency pulse signals into first digital baseband signals based on the reference clock to obtain the phase monitoring results of the intermediate frequency pulse signals, or converts the N intermediate frequency excitation signals into second digital baseband signals based on the reference clock to obtain the phase monitoring results of the intermediate frequency excitation signals.

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