Method and system for automatically testing indexes of L-band transmitted pulse signals

Abstract

The invention discloses a method and a system for automatically testing an index of an L-band transmitted pulse signal. The method comprises the following steps that: a test main control computer controls tested equipment to be set to be in a response state and controls test equipment to be set to be in an inquiry state; the test main control computer controls the signal source, the peak power meter and the programmable attenuator to set test parameters, and the signal source is turned on to output power; the test main control computer controls the test equipment to transmit an inquiry pulse signal, the tested equipment is triggered, and a response pulse signal is automatically transmitted; the test main control computer controls the peak power meter to test a response pulse signal transmitted by the tested equipment and reads a test result; and the test main control computer controls the tested equipment to be set in an inquiry state, controls the peak power meter to test an inquiry pulse signal transmitted by the tested equipment, and reads a test result. According to the invention, the index test workload and the production cost of the test link are effectively reduced, and the test efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of radio testing technology, and in particular to a method and system for automatic testing of L-band transmission pulse signal indicators. Background Art

[0002] For the test of L-band transmission pulse signal indicators, the traditional manual test method has the problems of time-consuming, labor-intensive, low test efficiency, requiring collaborative testing by multiple people, high human resource utilization, large workload and easy error in manual recording of test data, etc. Summary of the invention

[0003] In view of this, the present invention provides a method and system for automated testing of L-band transmission pulse signal indicators, which realize efficient automated testing of L-band transmission pulse signal indicators and automatically complete the recording and preservation of test data, effectively reduce the workload of indicator testing, reduce the demand for testers, improve test efficiency, shorten the test production cycle, and thus reduce the test production cost.

[0004] The present invention discloses a method for automatic testing of L-band transmission pulse signal indicators, which comprises:

[0005] Step 1: The test host computer controls the device under test to be set to the answering state, and controls the test equipment to be set to the inquiry state;

[0006] Step 2: The test main control computer controls the signal source, peak power meter and programmable attenuator to set the test parameters, and turns on the signal source output power;

[0007] Step 3: The test main control computer controls the test equipment to transmit an inquiry pulse signal, and the device under test is triggered to automatically transmit a response pulse signal;

[0008] Step 4: The test main control computer controls the peak power meter to test the response pulse signal emitted by the device under test and reads the test result;

[0009] Step 5: The test host computer controls the device under test to be set to the inquiry state, controls the peak power meter to test the inquiry pulse signal emitted by the device under test, and reads the test results.

[0010] Furthermore, the step 1 comprises:

[0011] Step 11: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to a response state, and controls the transmission path of the device under test to be set to a response transmission path;

[0012] Step 12: The test main control computer sends a control instruction to the test equipment to set the test equipment to the inquiry state and the test equipment transmission path to the inquiry transmission path.

[0013] Furthermore, the step 2 comprises:

[0014] Step 21: The test main control computer sends a control instruction to the signal source, and the control signal source sets the output signal frequency to the local oscillator frequency and sets the output signal amplitude to the amplitude required by the local oscillator signal of the device under test;

[0015] Step 22: The test main control computer sends a control instruction to the signal source to control the signal source to turn on the signal output switch;

[0016] Step 23: The test main control computer sends a control instruction to the peak power meter to control the peak power meter to set the scanning bandwidth, center amplitude, center frequency, RF compensation, and display amplitude bandwidth;

[0017] Step 24: The test main control computer sends a control instruction to the peak power meter to control the peak power meter to be set to be triggered;

[0018] Step 25: The test main control computer sends a control instruction to the programmable attenuator to control the programmable attenuator to be set to a fixed attenuation value.

[0019] Furthermore, the step 4 comprises:

[0020] Step 41: The peak power meter receives a response transmission pulse signal transmitted by the device under test;

[0021] Step 42: The test main control computer sends a control instruction to the peak power meter, and the peak power meter scans the response transmission pulse signal transmitted by the device under test, tests the response pulse signal transmitted by the device under test, and reads the test result.

[0022] Further, the step 42 includes:

[0023] Step 421: testing the power of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of the response transmission pulse signal one by one to obtain the power of the response transmission pulse signal;

[0024] Step 422: testing the top unevenness of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the top unevenness according to the power values ​​of the multiple pulse power points;

[0025] Step 423: pulse amplitude difference test of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the pulse amplitude difference of the response transmission pulse signal according to the power values ​​of the multiple pulse power points;

[0026] Step 424: Pulse in-band fluctuation test of the response transmission pulse signal: According to a plurality of transmission pulse powers, the pulse in-band fluctuation of the response transmission pulse signal is obtained.

[0027] Furthermore, the step 421 includes:

[0028] The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of the response transmission pulse signal one by one, and obtain the power value of each power point. The average value of the power value of each power point is the power of the response transmission pulse signal;

[0029] The step 422 includes:

[0030] The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the maximum value and the minimum value in each power point sequence are subtracted, and the maximum value is selected from all the differences as the top unevenness;

[0031] The step 423 includes:

[0032] The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the power average value of each power point sequence is calculated, and the maximum value and the minimum value of all the power average values ​​are subtracted, and the difference obtained is the pulse amplitude difference of the response transmission pulse signal;

[0033] The step 424 includes:

[0034] Pulse band fluctuation test of response transmission pulse signal: repeat step 421 to obtain multiple transmission pulse powers, and obtain the pulse band fluctuation of the response transmission pulse signal based on the multiple transmission pulse powers. The pulse band fluctuation is the difference between the maximum and minimum values ​​of the multiple transmission pulse powers.

[0035] Furthermore, after step 4 and before step 5, the method further includes:

[0036] The test host computer records and saves the test results locally.

[0037] Furthermore, the step 5 comprises:

[0038] Step 51: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to an inquiry state, and controls the transmission path of the device under test to be set to an inquiry transmission path;

[0039] Step 52: The test host computer sends a control instruction to the device under test to control the device under test to transmit an inquiry pulse signal. The steps performed thereafter are the same as step 4. Finally, the test host computer records and saves the test results read from the peak power meter.

[0040] The present invention also discloses a system for automatic testing of L-band transmission pulse signal indicators, which realizes any one of the above-mentioned methods for automatic testing of L-band transmission pulse signal indicators, and comprises a test main control computer, a device under test, a test equipment, a signal source, a peak power meter, a programmable attenuator and a fixed attenuator; the test main control computer is respectively connected to the device under test, the test equipment, the signal source, the peak power meter and the programmable attenuator; the programmable attenuator is respectively connected to the peak power meter and the fixed attenuator; the device under test is respectively connected to the signal source, the fixed attenuator and the test equipment;

[0041] The test main control computer is used to control the equipment under test and the test equipment to set parameters and control the transmission and reception, control the peak power meter to set parameters and read the test results of the peak power meter, control the signal source to set parameters and control the transmission and reception, and control the programmable attenuator to set parameters;

[0042] The test equipment is used to provide an inquiry signal to the device under test when the device under test is testing the response transmission signal, so as to trigger the device under test to transmit the response transmission pulse signal;

[0043] A signal source, used to provide a reference frequency source and a local oscillator signal for the device under test;

[0044] Peak power meter, used to test the query / response pulse signal indicators emitted by the device under test and send the test data results to the test host computer;

[0045] Programmable attenuator / fixed attenuator, used to provide RF signal attenuation between the device under test and the peak power meter;

[0046] The fixed attenuator is used to attenuate the RF signal between the device under test and the peak power meter by a fixed value to prevent the large pulse signal emitted by the device under test from burning the peak power meter.

[0047] Furthermore, it also includes a converter; the test main control computer is connected to the device under test and the test equipment respectively through the converter.

[0048] Due to the adoption of the above technical solution, the present invention has the following advantages:

[0049] 1. The present invention realizes that the whole test process is controlled by the test computer, without manual intervention, fully automated testing, and automatically saves test data after the test is completed; it can effectively reduce the workload of indicator testing, reduce the demand for testers, improve test efficiency, shorten the test production cycle, thereby reducing the test production cost, and has certain economic benefits.

[0050] 2. The present invention replaces the traditional manual test, realizes the efficient and automated test of L-band transmission pulse signal indicators, and automatically completes the recording and preservation of test data, effectively reducing the workload of indicator testing, reducing the demand for testers, improving test efficiency, shortening the test production cycle, and thus reducing the test production cost.

[0051] 3. High degree of automation: Under the premise of meeting high reliability, more automated designs are adopted to automatically control instruments and equipment, and automatically read and save test results.

[0052] 4. Efficient product control: Under the premise of satisfying the normal display of product operation results, the product under test can be automatically controlled by computer. The design adopts RS232 to RS485 interface to increase the computer's control operation commands to the product under test, thereby reducing manual operation of the product under test and achieving efficient control of the product.

[0053] 5. Fewer testers are required. The device under test and the test equipment can be controlled simultaneously through multiple serial ports to reduce the number of testers.

[0054] 6. Test-related data are completely recorded in the form of a database, which is convenient for viewing, tracing and utilization. The test data is unique and cannot be easily tampered with. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the embodiments of the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0056] Figure 1 A schematic flow chart of a method for automatic testing of L-band transmission pulse signal indicators according to an embodiment of the present invention;

[0057] Figure 2 The present invention is a system block diagram for automatic testing of L-band transmission pulse signal indicators according to an embodiment of the present invention. DETAILED DESCRIPTION

[0058] The present invention is further described in conjunction with the accompanying drawings and embodiments, and the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field should fall within the scope of protection of the embodiments of the present invention.

[0059] See also Figure 1 The present invention provides an embodiment of a method for automatic testing of L-band transmission pulse signal indicators, which comprises:

[0060] S1: The test host computer controls the device under test to be set to the answering state and controls the test equipment to be set to the inquiry state;

[0061] S2: The test main control computer controls the signal source, peak power meter and programmable attenuator to set the test parameters and turn on the signal source output power;

[0062] S3: The test main control computer controls the test equipment to transmit an inquiry pulse signal, and the device under test is triggered to automatically transmit a response pulse signal;

[0063] S4: The test main control computer controls the peak power meter to test the response pulse signal emitted by the device under test and reads the test result;

[0064] S5: The test main control computer controls the device under test to be set to an inquiry state, controls the peak power meter to test the inquiry pulse signal emitted by the device under test, and reads the test result.

[0065] In one embodiment, S1 includes:

[0066] S11: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to a response state, and controls the transmission path of the device under test to be set to a response transmission path;

[0067] S12: The test main control computer sends a control instruction to the test equipment to set the test equipment to the inquiry state and to set the transmission path of the test equipment to the inquiry transmission path.

[0068] In one embodiment, S2 includes:

[0069] S21: The test main control computer sends a control instruction to the signal source, which controls the signal source to set the output signal frequency to the local oscillator frequency and the output signal amplitude to the amplitude required by the local oscillator signal of the device under test;

[0070] S22: The test main control computer sends a control instruction to the signal source to control the signal source to turn on the signal output switch;

[0071] S23: the test main control computer sends a control instruction to the peak power meter to control the peak power meter to set the scanning bandwidth, center amplitude, center frequency, RF compensation, and display amplitude bandwidth;

[0072] S24: the test main control computer sends a control instruction to the peak power meter to control the peak power meter to be set to be triggered;

[0073] S25: The test main control computer sends a control instruction to the programmable attenuator to control the programmable attenuator to be set to a fixed attenuation value.

[0074] In one embodiment, S4 includes:

[0075] S41: The peak power meter receives a response transmission pulse signal transmitted by the device under test;

[0076] S42: The test main control computer sends a control instruction to the peak power meter, and the peak power meter scans the response transmission pulse signal transmitted by the device under test, tests the response pulse signal transmitted by the device under test, and reads the test result.

[0077] In one embodiment, S42 includes:

[0078] S421: Testing the power of the response transmission pulse signal: The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of the response transmission pulse signal one by one to obtain the power of the response transmission pulse signal;

[0079] S422: Testing the top unevenness of the response transmission pulse signal: The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the top unevenness according to the power values ​​of the multiple pulse power points;

[0080] S423: pulse amplitude difference test of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the pulse amplitude difference of the response transmission pulse signal according to the power values ​​of the multiple pulse power points;

[0081] S424: Pulse band fluctuation test of the response transmission pulse signal: according to the multiple transmission pulse powers, the pulse band fluctuation of the response transmission pulse signal is obtained.

[0082] In one embodiment, S421 includes:

[0083] The test main control computer sends control instructions to the peak power meter to control the test mark line of the peak power meter to scan the power points that respond to the transmitted pulse signal one by one, and obtain the power value of each power point, which is recorded as a 1 、a2 , ..., a b , there are b power points in total, and the power of the reply transmission pulse signal is calculated according to the following formula:

[0084]

[0085] Wherein, W is the power of the reply transmission pulse signal;

[0086] S422 includes:

[0087] The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the maximum value and the minimum value in each power point sequence are subtracted, and the maximum value is selected from all the differences as the top unevenness;

[0088] Specifically, taking the scanning of the power points of three pulses as an example, the power values ​​of the power points of the three pulses are obtained and recorded as the sequence of pulse 1 (P 1 , P 2 , ..., P n ), the sequence of pulse 2 (Q 1 , Q 2 ,...,Q n ), the sequence of pulse 3 (E 1 、E 2 ,...,E n ), the top unevenness of the response transmission pulse signal is calculated according to the following formula:

[0089] L=max{max(P1, P2,···Pn)

[0090] -min(P1, P2,···Pn), max(Q1, Q2,···Qn)

[0091] -min(Q1, Q2,···Qn), max(E1, E2,···En)

[0092] -min(E1, E2, .. . . En)}

[0093] Among them, L is the top unevenness, max is the maximum value of the sequence, and min is the minimum value of the sequence.

[0094] S423 includes:

[0095] The test main control computer sends control instructions to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the power average value of each power point sequence is obtained, and the maximum value and the minimum value of all power average values ​​are subtracted, and the difference obtained is the pulse amplitude difference of the response transmission pulse signal.

[0096] Specifically, taking the scanning of the power points of three pulses as an example, the power values ​​of the power points of the three pulses are obtained and recorded as the sequence of pulse 1 (P 1 , P 2 , ..., P n ), the sequence of pulse 2 (Q 1 , Q 2 ,...,Q n ), the sequence of pulse 3 (E 1 、E 2 ,...,E n ), the pulse amplitude difference of the response transmission pulse signal is calculated according to the following formula:

[0097]

[0098] Among them, F is the amplitude difference between pulses, max is the maximum value of the sequence, and min is the minimum value of the sequence.

[0099] In one embodiment, S424 includes:

[0100] Pulse band fluctuation test of response transmission pulse signal: Repeat S421 to obtain multiple transmission pulse powers, and obtain the pulse band fluctuation of the response transmission pulse signal based on the multiple transmission pulse powers. The pulse band fluctuation is the difference between the maximum and minimum values ​​of the multiple transmission pulse powers.

[0101] Taking S421 repeated three times as an example, three transmit pulse powers W3, W2, and W1 are obtained, and the transmit pulse in-band fluctuation is calculated according to the following formula:

[0102] V=max{W3, W2, W1}-min{W3, W2, W1}

[0103] Among them, V is the intra-band fluctuation, max is the maximum value of the sequence, and min is the minimum value of the sequence.

[0104] In one embodiment, after S4 and before S5, the method further includes:

[0105] The test host computer records and saves the test results locally.

[0106] In one embodiment, S5 includes:

[0107] S51: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to an inquiry state, and controls the transmission path of the device under test to be set to an inquiry transmission path;

[0108] S52: The test main control computer sends a control instruction to the device under test to control the device under test to transmit an inquiry pulse signal. The steps executed thereafter are the same as S4. Finally, the test main control computer records and saves the test results read from the peak power meter.

[0109] See also Figure 2 The present invention also provides an embodiment of a system for automatic testing of L-band transmission pulse signal indicators, which implements a method for automatic testing of L-band transmission pulse signal indicators described in the above embodiment, which includes a test main control computer, a device under test, a test equipment, a signal source, a peak power meter, a programmable attenuator and a fixed attenuator; the test main control computer is respectively connected to the device under test, the test equipment, the signal source, the peak power meter, and the programmable attenuator; the programmable attenuator is respectively connected to the peak power meter and the fixed attenuator; the device under test is respectively connected to the signal source, the fixed attenuator and the test equipment;

[0110] The test main control computer is used to control the equipment under test and the test equipment to set parameters and control the transmission and reception, control the peak power meter to set parameters and read the test results of the peak power meter, control the signal source to set parameters and control the transmission and reception, and control the programmable attenuator to set parameters;

[0111] The test equipment is used to provide an inquiry signal to the device under test when the device under test is testing the response transmission signal, so as to trigger the device under test to transmit the response transmission pulse signal;

[0112] A signal source, used to provide a reference frequency source and a local oscillator signal for the device under test;

[0113] Peak power meter, used to test the query / response pulse signal indicators emitted by the device under test and send the test data results to the test host computer;

[0114] Programmable attenuator / fixed attenuator, used to provide RF signal attenuation between the device under test and the peak power meter;

[0115] The fixed attenuator is used to attenuate the RF signal between the device under test and the peak power meter by a fixed value to prevent the large pulse signal emitted by the device under test from burning the peak power meter.

[0116] Among them, signal source, peak power meter, programmable attenuation and fixed attenuation are all test instruments.

[0117] In one embodiment, a converter is also included; the test main control computer is connected to the device under test and the matching test device respectively through the converter.

[0118] See also Figure 2 This embodiment may also include a test low-frequency bus (including RS232 bus, RS422 / RS232 bus, GPIB / LAN bus, RS232-RS422 adapter) and a test radio frequency cable, which can be used to connect various components in the system.

[0119] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A method for automated testing of L-band transmission pulse signal indicators, characterized in that: include: Step 1: The test host computer controls the device under test to be set to the answering state, and controls the test equipment to be set to the inquiry state; Step 2: The test main control computer controls the signal source, peak power meter and programmable attenuator to set the test parameters, and turns on the signal source output power; Step 3: The test main control computer controls the test equipment to transmit an inquiry pulse signal, and the device under test is triggered to automatically transmit a response pulse signal; Step 4: The test main control computer controls the peak power meter to test the response pulse signal emitted by the device under test and reads the test result; Step 5: The test host computer controls the device under test to be set to the inquiry state, controls the peak power meter to test the inquiry pulse signal emitted by the device under test, and reads the test results.

2. The method for automatic testing of L-band transmission pulse signal indicators according to claim 1, characterized in that: The step 1 comprises: Step 11: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to a response state, and controls the transmission path of the device under test to be set to a response transmission path; Step 12: The test main control computer sends a control instruction to the test equipment to set the test equipment to the inquiry state and the test equipment transmission path to the inquiry transmission path.

3. The method for automatic testing of L-band transmission pulse signal indicators according to claim 1, characterized in that: The step 2 comprises: Step 21: The test main control computer sends a control instruction to the signal source, and the control signal source sets the output signal frequency to the local oscillator frequency and sets the output signal amplitude to the amplitude required by the local oscillator signal of the device under test; Step 22: The test main control computer sends a control instruction to the signal source to control the signal source to turn on the signal output switch; Step 23: The test main control computer sends a control instruction to the peak power meter to control the peak power meter to set the scanning bandwidth, center amplitude, center frequency, RF compensation, and display amplitude bandwidth; Step 24: The test main control computer sends a control instruction to the peak power meter to control the peak power meter to be set to be triggered; Step 25: The test main control computer sends a control instruction to the programmable attenuator to control the programmable attenuator to be set to a fixed attenuation value.

4. The method for automatic testing of L-band transmission pulse signal indicators according to claim 1, characterized in that: The step 4 comprises: Step 41: The peak power meter receives a response transmission pulse signal transmitted by the device under test; Step 42: The test main control computer sends a control instruction to the peak power meter, and the peak power meter scans the response transmission pulse signal transmitted by the device under test, tests the response pulse signal transmitted by the device under test, and reads the test result.

5. The method for automatic testing of L-band transmission pulse signal indicators according to claim 4, characterized in that: The step 42 comprises: Step 421: testing the power of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of the response transmission pulse signal one by one to obtain the power of the response transmission pulse signal; Step 422: testing the top unevenness of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the top unevenness according to the power values ​​of the multiple pulse power points; Step 423: pulse amplitude difference test of the response transmission pulse signal: the test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan multiple pulse power points respectively, and obtain the pulse amplitude difference of the response transmission pulse signal according to the power values ​​of the multiple pulse power points; Step 424: Pulse in-band fluctuation test of the response transmission pulse signal: According to a plurality of transmission pulse powers, the pulse in-band fluctuation of the response transmission pulse signal is obtained.

6. The method for automatic testing of L-band transmission pulse signal indicators according to claim 5, characterized in that: The step 421 includes: The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of the response transmission pulse signal one by one, and obtain the power value of each power point. The average value of the power value of each power point is the power of the response transmission pulse signal; The step 422 includes: The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the maximum value and the minimum value in each power point sequence are subtracted, and the maximum value is selected from all the differences as the top unevenness; The step 423 includes: The test main control computer sends a control instruction to the peak power meter to control the test mark line of the peak power meter to scan the power points of multiple pulses respectively, and obtain the power point sequence corresponding to each pulse; the power average value of each power point sequence is calculated, and the maximum value and the minimum value of all the power average values ​​are subtracted, and the difference obtained is the pulse amplitude difference of the response transmission pulse signal; The step 424 includes: Pulse band fluctuation test of response transmission pulse signal: repeat step 421 to obtain multiple transmission pulse powers, and obtain the pulse band fluctuation of the response transmission pulse signal based on the multiple transmission pulse powers. The pulse band fluctuation is the difference between the maximum and minimum values ​​of the multiple transmission pulse powers.

7. The method for automatic testing of L-band transmission pulse signal indicators according to claim 1, characterized in that: After step 4 and before step 5, the method further includes: The test host computer records and saves the test results locally.

8. The method for automatic testing of L-band transmission pulse signal indicators according to claim 1, characterized in that: The step 5 comprises: Step 51: The test main control computer sends a control instruction to the device under test, controls the device under test to be set to an inquiry state, and controls the transmission path of the device under test to be set to an inquiry transmission path; Step 52: The test host computer sends a control instruction to the device under test to control the device under test to transmit an inquiry pulse signal. The steps performed thereafter are the same as step 4. Finally, the test host computer records and saves the test results read from the peak power meter.

9. A system for automatic testing of L-band transmission pulse signal indicators, realizing a method for automatic testing of L-band transmission pulse signal indicators as described in any one of claims 1 to 8, characterized in that: It includes a test main control computer, a device under test, a test equipment, a signal source, a peak power meter, a programmable attenuator and a fixed attenuator; the test main control computer is respectively connected with the device under test, the test equipment, the signal source, the peak power meter and the programmable attenuator; the programmable attenuator is respectively connected with the peak power meter and the fixed attenuator; the device under test is respectively connected with the signal source, the fixed attenuator and the test equipment; The test main control computer is used to control the equipment under test and the test equipment to set parameters and control the transmission and reception, control the peak power meter to set parameters and read the test results of the peak power meter, control the signal source to set parameters and control the transmission and reception, and control the programmable attenuator to set parameters; The test equipment is used to provide an inquiry signal to the device under test when the device under test is testing the response transmission signal, so as to trigger the device under test to transmit the response transmission pulse signal; A signal source, used to provide a reference frequency source and a local oscillator signal for the device under test; Peak power meter, used to test the query / response pulse signal indicators emitted by the device under test and send the test data results to the test host computer; Programmable attenuator / fixed attenuator, used to provide RF signal attenuation between the device under test and the peak power meter; The fixed attenuator is used to attenuate the RF signal between the device under test and the peak power meter by a fixed value to prevent the large pulse signal emitted by the device under test from burning the peak power meter.

10. The system for automatic testing of L-band transmission pulse signal indicators according to claim 9, characterized in that: It also includes a converter; the test main control computer is connected to the device under test and the matching test device respectively through the converter.

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