CN114062791A - Injection mode measurement electronic equipment beam pointing test method and device - Google Patents
Injection mode measurement electronic equipment beam pointing test method and device Download PDFInfo
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- CN114062791A CN114062791A CN202111332867.3A CN202111332867A CN114062791A CN 114062791 A CN114062791 A CN 114062791A CN 202111332867 A CN202111332867 A CN 202111332867A CN 114062791 A CN114062791 A CN 114062791A
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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 method and a device for testing beam pointing of electronic equipment measured in an injection mode, wherein the method comprises 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 phase-shifting unit comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a frequency spectrograph, a control bus, a computer, a phase shifter and a radio frequency system. The invention adopts an efficient and feasible desktop injection mode for testing, ensures that the electronic equipment is in a good state, improves the testing efficiency, and reduces the dependence on darkroom resources and the risk of possible injury of microwave radiation signals to personnel.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a method and a device for testing beam pointing of electronic equipment by injection measurement.
Background
The beam pointing 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 in a microwave dark room or in an open test field, and has the following defects: the first method has the defects that each scientific research and production unit is a scarce resource due to high cost of a darkroom, and the application and queuing are needed when in use. If the test electronic equipment has defects or faults, the test efficiency is influenced, and the occupation time of a darkroom is prolonged; the second method has higher requirement on the field, needs no personnel activity in the field, is influenced by external electromagnetic waves or ground reflected waves and the like, and has larger direct influence on the test result. And the microwave radiation signal may pose a risk of injury to personnel. The two existing methods need to independently erect environments such as instruments and equipment and test cables, and are complex in test 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 testing the beam pointing direction of electronic equipment by an injection mode.
The purpose of the invention is realized by the following scheme:
a testing device for measuring beam pointing direction of electronic equipment in an injection mode comprises 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 phase-shifting unit comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a frequency spectrograph, a control bus, a computer, a phase shifter and a radio frequency system.
Furthermore, the automatic measurement and control software is provided with a beam pointing setting module, a scanning control machine module, a power meter control module, a beam pointing confirmation module and a comparison module.
Furthermore, the attenuator is used for attenuating the single-channel output power according to the single-channel output power of the electronic equipment, and the phase shifter can bear a moderate power value after attenuation.
Further, the phase shifter is used for completing phase conversion of the radio frequency signal.
Furthermore, the combiner is used for combining and outputting the radio-frequency signals input by multiple paths, and sending the radio-frequency signals to the power meter for power value acquisition.
Furthermore, the frequency spectrograph 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.
An implementation method for a testing device for measuring beam pointing direction of electronic equipment based on any one of the injection modes comprises the following steps when automatic measurement and control software runs in a computer:
s1, initializing instrument equipment by software;
s2, controlling the electrification of the system to be tested and the wave speed direction setting of the system to be tested by software, wherein the wave speed direction setting comprises the direction test wave position number setting of Y0-Yn;
s3, delaying time T, and starting radiation after the emission permission is prepared;
s4, carrying out wave position test, setting wave position numbers A0-An, carrying out the wave position number test according to the wave position number sequence, reading and recording a power count value after setting the wave position;
s5, judging whether the current wave position number is the last wave position, if not, returning to the step S4, if so, entering the next step;
s6, comparing and calculating the recorded power values of each wave position, finding the maximum power value, determining the maximum power value as the wave beam pointing wave position number, recording and storing the current wave position numbers A0-An and the power values and the frequency values;
s7, judging whether the wave position number of the current wave beam pointing test is the last one, if not, returning to the step S2, if so, entering the step S8;
and S8, storing the test data and turning off the radiation.
The invention has the beneficial effects that:
the invention is a high-efficiency and easy-to-operate testing method and device, can complete the beam pointing test of the tested system by adopting a signal injection mode, and reduces the risk of injury to personnel caused by relying on darkroom resources and radiating signals by microwaves. The time of setting up the environment in the darkroom is reduced, and the testing efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a flow chart of method steps in an embodiment of the present invention.
Detailed Description
All features disclosed in all embodiments in this specification, or all methods or process steps implicitly disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
Example 1: as shown in fig. 1, a method and apparatus for measuring beam pointing of an electronic device by injection,
a testing device for measuring beam pointing direction of electronic equipment in an injection mode comprises 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 phase-shifting unit comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a frequency spectrograph, a control bus, a computer, a phase shifter and a radio frequency system.
In this embodiment, the attenuator is selected according to the single-channel output power of the electronic device, and the attenuator is particularly designed to bear a power value, so as to attenuate the single-channel output power and achieve a power value that the phase shifter can bear a moderate power value; the phase shifter completes the phase conversion of the radio frequency signal after corresponding control commands output by the software. The smaller the step length of phase shift, the higher the phase shift precision and the higher the system test precision.
In order to realize the phase-stabilizing transmission of multi-channel signals, a cable with a phase-stabilizing function is generally adopted, and the requirements of amplitude and phase consistency are met, wherein the higher the precision of the amplitude and phase consistency is, the smaller the output loss is, and the higher the system testing precision is; the combiner completes the combined output of the radio frequency signals of the multiple paths of input and sends the radio frequency signals to the power meter for power value acquisition. The frequency spectrograph receives the 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 complete the setting of the beam pointing; 2) realizing test beam scanning and finishing the control of each channel phase shifter; 3) the control of the power meter is realized, and a power value is required 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 until 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 present invention is shown in fig. 2, and the specific implementation method is as follows: :
step 1, software initializes instrument and equipment;
step 2, controlling the electrification of the system to be tested and the wave speed direction setting of the system to be tested by software, for example, setting the wave position number to be Y0-Yn (determined according to the system to be tested);
step 3, after the delay time T (the delay time T is determined according to the preparation time of the system to be tested) judges that the emission is allowed to be ready, the radiation is started;
step 4, controlling a test system to carry out wave position test by software, setting wave position numbers A0-An, carrying out the wave position test according to the sequence of the wave position numbers, and reading and recording a power count value after setting the wave positions to be ready;
step 5, judging whether the current wave position number (A0-An) is the last wave position, if not, returning to the step 4 (wave position test ready of the test system), and if so, entering the next step;
and 6, comparing and calculating the recorded power values of the wave positions, finding the maximum power value and determining the maximum power value as the wave position number of the beam pointing direction. And recording and storing the current wave position numbers (A0-An) and the power values and the frequency values.
Step 7, judging whether the wave position number (Y0-Yn) of the current wave beam pointing test is the last one, if not, returning to the step 2 (wave speed pointing setting of the system to be tested), and if the wave position number is the last wave position, entering the next step;
step 8, storing the test data and turning off the radiation;
and 9, finishing the test.
The method and the device for testing the beam pointing direction of the electronic equipment by adopting the injection mode are applied to projects, and reduce the dependence on darkroom resources and the risk that high-power microwave radiation signals may cause injury to personnel. The time for erecting the environment in the darkroom is reduced, and the project production process is accelerated.
The functionality of the present invention, 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 such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium, and all or part of the steps of the method according to the embodiments of the present invention are executed in a computer device (which may be a personal computer, a server, or a network device) 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, or an optical disk, exist in a read-only Memory (RAM), a Random Access Memory (RAM), and the like, for performing a test or actual data in a program implementation.
Claims (7)
1. A testing device for measuring beam pointing direction of electronic equipment in an injection mode 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 phase-shifting unit comprises a plurality of attenuators, a plurality of phase shifters, a combiner, a frequency spectrograph, a control bus, a computer, a phase shifter and a radio frequency system.
2. The device for testing beam pointing of electronic equipment for measuring injection according to claim 1, wherein the automatic measurement and control software is provided with a beam pointing setting module, a scanning control machine module, a power meter control module, a beam pointing confirmation module and a comparison module.
3. The injection-mode-measurement electronic-device beam-pointing test device of claim 1, wherein the attenuator is configured to attenuate a single-channel output power according to the single-channel output power of the electronic device, and the attenuated single-channel output power reaches a level that the phase shifter can withstand a moderate power level.
4. The injection measurement electronics beam pointing test apparatus of claim 1, wherein the phase shifter is configured to perform phase shifting of the radio frequency signal.
5. The device as claimed in claim 1, wherein the combiner is configured to combine and output multiple input rf signals, and send the combined and output rf signals to a power meter for power value acquisition.
6. The device as claimed in claim 3, wherein the spectrometer is configured to receive a control command from an automatic measurement and control software, and measure the power and frequency values of the rf signal.
7. An implementation method of a test device for measuring beam pointing direction of an electronic device based on an injection mode according to any one of claims 1 to 6, wherein when the automatic measurement and control software runs in a computer, the implementation method comprises the following steps:
s1, initializing instrument equipment by software;
s2, controlling the electrification of the system to be tested and the wave speed direction setting of the system to be tested by software, wherein the wave speed direction setting comprises the direction test wave position number setting of Y0-Yn;
s3, delaying time T, and starting radiation after the emission permission is prepared;
s4, carrying out wave position test, setting wave position numbers A0-An, carrying out the wave position number test according to the wave position number sequence, reading and recording a power count value after setting the wave position;
s5, judging whether the current wave position number is the last wave position, if not, returning to the step S4, if so, entering the next step;
s6, comparing and calculating the recorded power values of each wave position, finding the maximum power value, determining the maximum power value as the wave beam pointing wave position number, recording and storing the current wave position numbers A0-An and the power values and the frequency values;
s7, judging whether the wave position number of the current wave beam pointing test is the last one, if not, returning to the step S2, if so, entering the step S8;
and S8, storing the test data and turning off the 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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