CN114062791B - Method and device for testing beam pointing direction of injection mode measurement electronic equipment - Google Patents
Method and device for testing beam pointing direction of injection mode measurement electronic equipment Download PDFInfo
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- CN114062791B CN114062791B CN202111332867.3A CN202111332867A CN114062791B CN 114062791 B CN114062791 B CN 114062791B CN 202111332867 A CN202111332867 A CN 202111332867A CN 114062791 B CN114062791 B CN 114062791B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a beam pointing test method and device for injection mode measurement electronic equipment, comprising a plurality of attenuators, a plurality of phase shifters, a combiner, a spectrometer, a phase stabilizing cable, a computer and automatic measurement and control software installed in the computer; the attenuators are connected with the ports of the phase shifting units of the radio frequency system through first phase stabilizing cables, the attenuators are respectively connected with the phase shifters through second phase stabilizing cables, the phase shifters are connected with the combiner through third phase stabilizing cables, the combiner is connected with the frequency spectrograph through radio frequency cables, the frequency spectrograph is connected with the computer through a control bus, the computer is connected with the radio frequency system through the control bus, and the phase shifters are connected with the computer through the control bus. According to the invention, the high-efficiency and easy-to-operate desktop injection mode is adopted for testing, so that the electronic equipment is ensured to be in a good state, the testing efficiency is improved, and the dependence on darkroom resources and the risk of possible injury to personnel caused by microwave radiation signals are reduced.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a method and a device for measuring beam pointing of electronic equipment in an injection mode.
Background
The beam direction of the radiation unit of the electronic equipment is an important index of the electronic equipment. The existing electronic equipment beam pointing test technology is usually used for testing a microwave darkroom or is carried out in an open test field, and has the following defects: the first method is that resources are scarce in each scientific research production unit due to high cost of darkrooms, and the application and queuing are needed when the first method is used. If the test electronic equipment has defects or faults, the test efficiency is affected, and the occupation time of a darkroom is prolonged; the second method has higher requirements on the field, needs the field to be free of personnel activities and the like, is influenced by external electromagnetic waves or ground reflected waves and the like, and has larger direct influence on the test result. And the risk that the microwave radiation signal may cause injury to personnel. The existing two methods need to independently erect environments such as instruments and equipment, test cables and the like, and the test is tedious and low in efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method and a device for measuring the beam pointing direction of electronic equipment in an injection mode, which are used for testing in a high-efficiency and feasible desktop injection mode, so that the electronic equipment is in a good state, the testing efficiency is improved, and the dependence on darkroom resources, the risk of possible injury to personnel caused by microwave radiation signals and the like are reduced.
The invention aims at realizing the following scheme:
an injection mode measuring electronic equipment beam pointing testing device comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a spectrometer, a phase stabilizing cable, a computer and automatic measurement and control software installed in the computer; the attenuators are connected with the ports of the phase shifting units of the radio frequency system through first phase stabilizing cables, the attenuators are respectively connected with the phase shifters through second phase stabilizing cables, the phase shifters are connected with the combiner through third phase stabilizing cables, the combiner is connected with the frequency spectrograph through radio frequency cables, the frequency spectrograph is connected with the computer through a control bus, the computer is connected with the radio frequency system through the control bus, and the phase shifters are connected with the computer through the control bus.
Further, a beam pointing setting module, a scanning controller module, a power meter control module, a beam pointing confirmation module and a comparison module are arranged in the automatic measurement and control software.
Further, the attenuator is used for attenuating the single-channel output power according to the single-channel output power of the electronic equipment, and the attenuation reaches a proper power value which can be born by the phase shifter.
Further, the phase shifter is used for completing phase conversion of the radio frequency signal.
Further, the combiner is used for completing the combination output of the radio frequency signals input in multiple paths and sending the radio frequency signals into the power meter for power value acquisition.
Further, the spectrometer is used for receiving a control command of the automatic measurement and control software and measuring the power value and the frequency value of the radio frequency signal.
The implementation method for measuring the beam pointing direction of the electronic equipment based on any injection mode comprises the following steps when the automatic measurement and control software runs in a computer:
s1, initializing instrument equipment by software;
s2, controlling the power-on of the tested system and the wave speed directional setting of the tested system by software, wherein the setting of the directional test wave position number is Y0-Yn;
s3, delaying time T, and turning on radiation after judging that the emission is allowed to be ready;
s4, performing wave bit test, setting wave bit numbers to be A0-An, sequentially performing wave bit numbers, reading a power count value and recording after the wave bit is set to be ready;
s5, judging whether the current wave bit number is the last wave bit, if not, returning to the step S4, and if so, entering the next step;
s6, comparing and calculating the recorded power values of all wave positions, finding out the maximum value of the power, determining the maximum value of the power as the wave beam pointing wave position number, and recording and storing the current wave position numbers A0-An, the power values and the frequency values;
s7, judging whether the current wave beam points to the last wave bit number, if not, returning to the step S2, and if so, entering the step S8;
s8, storing test data and turning off radiation.
The beneficial effects of the invention are as follows:
the invention is a high-efficiency and easy-to-operate testing method and device, the beam pointing test of the tested system can be completed by adopting a signal injection mode, and the risk that personnel are possibly injured by the dependence on darkroom resources and microwave radiation signals is reduced. The time for setting up the environment in the darkroom is reduced, and the testing efficiency is greatly improved.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a flowchart illustrating steps of a method according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in all of the embodiments of this specification, or all of the steps in any method or process disclosed implicitly, except for the mutually exclusive features and/or steps, may be combined and/or expanded and substituted in any way.
Example 1: as shown in fig. 1, a method and apparatus for beam pointing test of an injection type measurement electronic device,
an injection mode measuring electronic equipment beam pointing testing device comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a spectrometer, a phase stabilizing cable, a computer and automatic measurement and control software installed in the computer; the attenuators are connected with the ports of the phase shifting units of the radio frequency system through first phase stabilizing cables, the attenuators are respectively connected with the phase shifters through second phase stabilizing cables, the phase shifters are connected with the combiner through third phase stabilizing cables, the combiner is connected with the frequency spectrograph through radio frequency cables, the frequency spectrograph is connected with the computer through a control bus, the computer is connected with the radio frequency system through the control bus, and the phase shifters are connected with the computer through the control bus.
Summarizing, in the embodiment, the attenuator is selected according to the single-channel output power of the electronic equipment, and particularly paying attention to the value of the more sustainable power of the attenuator, the attenuation of the single-channel output power is completed, and the moderate power value sustainable by the phase shifter is achieved; and the phase shifter completes the phase conversion of the radio frequency signal after the control command output by the corresponding software. The smaller the step length of the phase shift is, the higher the phase shift precision is, and the higher the system test precision is.
In order to realize stable phase transmission of multipath signals, a cable with a stable phase function is generally adopted, the requirements of amplitude and phase consistency are met, the higher the precision of the amplitude and phase consistency is, the smaller the output loss is, and the higher the system test precision is; the combiner completes the combination output of the radio frequency signals input by multiple paths, and sends the radio frequency signals into the power meter for power value acquisition. And the spectrometer receives a control command of the automatic measurement and control software and measures the power value and the frequency value of the radio frequency signal.
The automatic measurement and control software has the main functions: 1) The control of the tested radio frequency system is realized to finish the setting of beam pointing; 2) Realizing test beam scanning and completing control of each channel phase shifter; 3) The control of the power meter is realized, and the power value needs to be acquired; 4) The maximum value is found according to different wave position power values, and the actual beam direction is determined; 5) The control setting beam pointing of the original tested radio frequency system is compared with the actual beam pointing, and the beam pointing error is reached.
Example 2: on the basis of embodiment 1, in combination with the connection of hardware devices, the flow chart of the automatic measurement and control software of the invention is shown in fig. 2, and the specific implementation method is as follows: :
step 1, initializing instrument equipment by software;
step 2, the software controls the power-on of the tested system and the wave speed direction setting of the tested system, for example, the wave position numbers are set to Y0-Yn (determined according to the tested system);
step 3, after the delay time T (the delay time T is determined according to the preparation time of the tested system) judges that the transmission permission is ready, radiation is started;
step 4, the software controls the test system to perform wave bit test, the wave bit numbers are set to be A0-An, the wave bit test is performed according to the sequence of the wave bit numbers, and after the wave bit is set to be ready, the power count value is read and recorded;
step 5, judging whether the current wave bit number (A0-An) is the last wave bit, if not, returning to the step 4 (testing the system wave bit to be ready for testing), and if so, entering the next step;
and 6, comparing and calculating the recorded power values of the wave positions, finding out the maximum value of the power and determining the maximum value as the wave beam pointing wave position number. Recording and storing current wave position numbers (A0-An) and power values and frequency values.
Step 7, judging whether the current wave beam pointing test wave bit number (Y0-Yn) is the last wave bit, if not, returning to the step 2 (wave speed pointing setting of the tested system), and if the current wave beam pointing test wave bit number is the last wave bit, entering the next step;
step 8, saving test data and closing radiation;
and 9, finishing the test.
The method and the device for measuring the beam pointing direction of the electronic equipment by adopting the injection mode are applied to projects, so that the dependence on darkroom resources and the risk of possible injury to personnel caused by high-power microwave radiation signals are reduced. Reduces the time for setting up the environment in the darkroom and accelerates the project production process.
The inventive functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in the form of a software product stored in a storage medium and executing all or part of the steps of the method according to the embodiments of the present invention in a computer device (which may be a personal computer, a server, or a network device, etc.) and corresponding software. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, and an optical disk, and test or actual data exist in a read-only memory (Random Access Memory, RAM), a random access memory (Random Access Memory, RAM), and the like in program implementation.
Claims (6)
1. The beam pointing testing device for the injection mode measurement electronic equipment is characterized by comprising a plurality of attenuators, a plurality of phase shifters, a combiner, a frequency spectrograph, a phase stabilizing cable, a computer and automatic measurement and control software installed in the computer; the plurality of attenuators are connected with a phase shifting unit port of a radio frequency system of the electronic equipment through a first phase stabilizing cable, the plurality of attenuators are respectively connected with the plurality of phase shifters through a second phase stabilizing cable, the plurality of phase shifters are connected with the combiner through a third phase stabilizing cable, the combiner is connected with the frequency spectrograph through a radio frequency cable, the frequency spectrograph is connected with the computer through a control bus, the computer is connected with the radio frequency system through the control bus, and the plurality of phase shifters are connected with the computer through the control bus;
the automatic measurement and control software is provided with a beam pointing setting module, a scanning controller module, a power meter control module, a beam pointing confirmation module and a comparison module, wherein the beam pointing setting module is used for controlling a tested radio frequency system to finish setting the beam pointing; the scanning controller module is used for realizing the scanning of the test beam and completing the control of the phase shifters of all channels; the power meter control module is used for realizing power meter control and collecting power values according to requirements; the beam pointing confirmation module is used for finding the maximum value according to different wave position power values and determining the actual beam pointing; the comparison module is used for comparing the control setting beam direction of the original tested radio frequency system with the actual beam direction to obtain a beam direction error.
2. The injection mode measurement electronic device beam pointing test apparatus of claim 1, wherein the attenuator is configured to attenuate the single channel output power according to the single channel output power of the electronic device, and the attenuator is configured to achieve a power level at which the phase shifter can withstand moderate.
3. The injection mode measurement electronics beam pointing test device of claim 1, wherein the phase shifter is configured to perform phase shifting of the radio frequency signal.
4. The beam pointing test device for injection type measurement electronics according to claim 1, wherein the combiner is configured to perform combining output on multiple input rf signals, and send the combined rf signals to the power meter for power value acquisition.
5. The beam pointing test device for injection type measurement electronic equipment according to claim 2, wherein the spectrometer is used for receiving a control command of automatic measurement and control software, and measuring a radio frequency signal power value and a frequency value.
6. An implementation method for measuring beam pointing direction of electronic equipment based on the injection mode of any one of claims 1 to 5, characterized in that the automatic measurement and control software comprises the following steps when running in a computer:
s1, initializing instrument equipment by software;
s2, controlling the power-on of the tested system and the beam pointing setting of the tested radio frequency system by software, wherein the setting of the pointing test wave position number is Y0-Yn;
s3, delaying time T, and turning on radiation after judging that the emission is allowed to be ready;
s4, performing wave bit test, setting wave bit numbers to be A0-An, sequentially performing wave bit numbers, reading a power count value and recording after the wave bit is set to be ready;
s5, judging whether the current wave bit number is the last wave bit, if not, returning to the step S4, and if so, entering the next step;
s6, comparing and calculating the recorded power values of all wave positions, finding out the maximum value of the power and determining the maximum value as the wave beam pointing wave position number, and recording and storing the current wave position numbers A0-An, the power values and the frequency values;
s7, judging whether the current wave beam points to the last wave bit number, if not, returning to the step S2, and if so, entering the step S8;
s8, storing test data and turning off radiation.
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| RU2117308C1 (en) * | 1996-05-14 | 1998-08-10 | Ростовское высшее военное командно-инженерное училище ракетных войск | Method for testing beam pattern of phased antenna array of radio direction finder |
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