CN118033573A - Phased array antenna pattern acquisition method, device, equipment and medium - Google Patents
Phased array antenna pattern acquisition method, device, equipment and medium Download PDFInfo
- Publication number
- CN118033573A CN118033573A CN202410432699.2A CN202410432699A CN118033573A CN 118033573 A CN118033573 A CN 118033573A CN 202410432699 A CN202410432699 A CN 202410432699A CN 118033573 A CN118033573 A CN 118033573A
- Authority
- CN
- China
- Prior art keywords
- test
- turntable
- phased array
- array antenna
- test data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000012360 testing method Methods 0.000 claims abstract description 214
- 230000033001 locomotion Effects 0.000 claims abstract description 46
- 238000010586 diagram Methods 0.000 claims abstract description 30
- 238000004590 computer program Methods 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000013515 script Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4026—Antenna boresight
-
- 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
- G01R29/10—Radiation diagrams of antennas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application provides a phased array antenna pattern acquisition method, a phased array antenna pattern acquisition device, phased array antenna pattern acquisition equipment and a phased array antenna pattern acquisition medium, relates to the technical field of radar antenna measurement, and is used for solving the problem of low acquisition efficiency of phased array antenna patterns. The method is applied to a pattern testing system, wherein the pattern testing system comprises a tested product antenna, a rotary table and receiving equipment, the tested product antenna is fixed on the rotary table, and the tested product antenna is connected with the receiving equipment; the method comprises the following steps: controlling the turntable to perform stepping motion according to a preset step length; after each step movement of the turntable is controlled, acquiring position data of the turntable; reading test data on the receiving device; drawing according to the position data and the test data to obtain a directional diagram of the antenna of the tested product; and the turntable completes stepping motion in a preset period, so that multiple directional patterns of the antenna of the tested product are obtained, and the acquisition efficiency of the directional patterns of the phased array antenna is improved.
Description
Technical Field
The application relates to the technical field of radar antenna measurement, and provides a phased array antenna pattern acquisition method, a phased array antenna pattern acquisition device, phased array antenna pattern acquisition equipment and a phased array antenna pattern acquisition medium.
Background
A phased array antenna is an antenna system composed of a plurality of antenna elements, and performs transmission or reception of electric waves in different directions by adjusting the phase and amplitude of each element. The pattern of a phased array antenna may be used to describe the radiation or reception capabilities of the phased array antenna in different directions. The traditional phased array antenna pattern testing method generally adopts a system program to control the horizontal rotation of the turntable, reads the rotation angle of the turntable in real time, and collects power signals received by receiving equipment to realize data collection and drawing of a single pattern.
In the traditional pattern testing method, only one frequency point, one wave position and the pattern corresponding to one channel can be tested when the turntable rotates for one period, namely, only one pattern can be acquired in a single period, and the acquisition efficiency of the pattern is low.
Disclosure of Invention
The embodiment of the application provides a phased array antenna pattern acquisition method, a phased array antenna pattern acquisition device, phased array antenna pattern acquisition equipment and a phased array antenna pattern acquisition medium, which are used for solving the problem of low acquisition efficiency of phased array antenna patterns.
In a first aspect, a phased array antenna pattern acquisition method is provided and applied to a pattern test system, wherein the pattern test system comprises a tested product antenna, a turntable and receiving equipment, the tested product antenna is fixed on the turntable, and the tested product antenna is connected with the receiving equipment; the phased array antenna pattern acquisition method comprises the following steps:
Controlling the turntable to perform stepping motion according to a preset step length;
After each stepping movement of the turntable is controlled, position data of the turntable are obtained;
reading test data on the receiving equipment;
drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna;
and obtaining a plurality of directional patterns of the tested product antenna until the turntable completes stepping motion in a preset period.
Optionally, before the turntable is controlled to perform stepping motion according to a preset step length, the phased array antenna pattern acquisition method further includes:
determining the preset step length and the preset period according to preset test parameters; the preset test parameters comprise a data acquisition interval, a rotating range of the turntable and a rotating speed of the turntable.
Optionally, the measured product antenna comprises a combiner, a joint of the combiner is connected with a first port of the receiving device, and a difference port of the combiner is connected with a second port of the receiving device;
Reading test data on the receiving device, comprising:
Reading test data received by the receiving equipment through the first port and/or reading test data received by the receiving equipment through the second port;
drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna, wherein the directional diagram comprises the following steps:
And drawing according to the position data and the test data received by the first port to obtain a combined direction diagram of the tested product antenna, and/or drawing according to the position data and the test data received by the second port to obtain a difference direction diagram of the tested product antenna.
Optionally, the receiving device is a vector network analyzer, and the vector network analyzer is set to a manual trigger mode; the phased array antenna pattern acquisition method further comprises, prior to reading the test data on the receiving device:
and responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at the current moment, and recording the test data acquired by the vector network analyzer at different moments on different views.
Optionally, in response to a manual triggering operation of the vector network analyzer by a user, controlling the vector network analyzer to collect test data at a current moment, and recording the test data collected by the vector network analyzer at different moments on different views, including:
Switching a view window of the vector network analyzer into a first view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to collect test data at a first moment, and recording the test data at the first moment on the first view;
And switching a view window of the vector network analyzer into a second view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to collect test data at a second moment, and recording the test data at the second moment on the second view.
Optionally, the pattern test system further includes a transmitting device, and the test parameter further includes a plurality of test frequency points and a plurality of test wave positions corresponding to each test frequency point; reading test data on the receiving device, comprising:
judging whether issuing of a plurality of test wave bits corresponding to each test frequency point is completed or not;
If yes, reading the test data on the receiving equipment.
Optionally, before determining whether the issuing of the plurality of test wave bits corresponding to the plurality of test frequency points is completed, the phased array antenna pattern acquisition method further includes:
Judging whether the issuing of the plurality of test frequency points is completed or not;
if not, setting the working frequency points of the transmitting equipment and the receiving equipment.
In a second aspect, a phased array antenna pattern acquisition device is provided, the phased array antenna pattern acquisition device is arranged in a pattern test system, the pattern test system comprises a tested product antenna, a turntable and receiving equipment, the tested product antenna is fixed on the turntable, and the tested product antenna is connected with the receiving equipment; the phased array antenna pattern acquisition device comprises:
the control module is used for controlling the turntable to perform stepping motion according to a preset step length;
the acquisition module is used for acquiring the position data of the turntable after each step movement of the turntable is controlled;
the reading module is used for reading the test data on the receiving equipment;
The drawing module is used for drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna;
The obtaining module is used for obtaining a plurality of directional diagrams of the tested product antenna until the turntable completes stepping motion of a preset period.
In a third aspect, the present application provides a computer device, the computer device comprising a memory and a processor, the memory storing a computer program, the processor executing the computer program to implement the phased array antenna pattern acquisition method of the first aspect.
In a fourth aspect, the present application provides a computer readable storage medium, on which a computer program is stored, and a processor executes the computer program to implement the phased array antenna pattern acquisition method described in the first aspect.
In the embodiment of the application, the turntable is controlled to perform stepping motion according to a preset step length; after each step movement of the turntable is controlled, acquiring position data of the turntable; reading test data on the receiving device; drawing according to the position data and the test data to obtain a directional diagram of the antenna of the tested product; and (3) until the turntable completes stepping motion in a preset period, obtaining a plurality of directional patterns of the antenna of the tested product. The traditional pattern testing method needs to collect the data on the receiving equipment in real time, but the embodiment of the application can save the time of data collection and improve the collection efficiency of the pattern by collecting the data on the receiving equipment in a segmented way. In order to collect multiple patterns, the conventional pattern testing method needs to rotate the rotary table back and forth, but the embodiment of the application can collect multiple patterns through one-time complete-period stepping movement, thereby saving the rotating time of the rotary table and further improving the collection efficiency of the patterns.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the provided drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of a pattern test system according to an embodiment of the present application;
Fig. 2 is a schematic flow chart of a phased array antenna pattern acquisition method according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of a vector network analyzer according to an embodiment of the present application through dual-view recording data;
Fig. 4 is another flow chart of a phased array antenna pattern acquisition method according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a phased array antenna pattern acquisition device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. Embodiments of the application and features of the embodiments may be combined with one another arbitrarily without conflict. Also, while a logical order is depicted in the flowchart, in some cases, the steps depicted or described may be performed in a different order than presented herein.
In the traditional pattern testing method, the horizontal rotation of the turntable is controlled, the rotation angle of the turntable is read in real time, and the power signals received by the receiving equipment are collected to realize the data collection and drawing of a single pattern. However, in the radar antenna measurement, a large amount of pattern data needs to be collected to meet the test index required by the antenna of the product to be measured, so that the turntable needs to be frequently rotated back and forth to collect the data in real time, and in order to ensure the accuracy of the data, the rotation speed of the turntable is limited, so that the collection efficiency of the phased array antenna pattern is low.
In view of this, an embodiment of the present application provides a phased array antenna pattern acquisition method, which is applied to a pattern test system, please refer to fig. 1, and is a schematic structural diagram of the pattern test system provided in the embodiment of the present application, where the pattern test system includes a transmitting end, a receiving end and a PC control end, and each module of the pattern test system is described below.
The transmitting end comprises a bracket, transmitting equipment and a standard horn antenna. The support is used as the support of loudspeaker, can make standard horn antenna and the same horizontal line of being surveyed product antenna in same co-altitude, and standard horn antenna is as the signal transmitting terminal, plays the effect of transmitting signal, and transmitting equipment is as the input of transmitting signal, and transmitting equipment is signal source, vector network analyzer etc..
The receiving end comprises a tested product antenna, a turntable and receiving equipment, wherein the tested product antenna is used as a signal receiving end and can receive the transmitted signals, and the tested product antenna is a phased array antenna. The turntable can rotate horizontally, and the antenna of the product to be tested is perpendicular to the rotating direction of the turntable and is fixed on the turntable. The receiving device is connected with the antenna of the tested product, can display the power of the signal as the input end of the received signal, and is for example a frequency spectrograph, a power meter, a vector network analyzer (vector network for short) and the like. The PC control end can control the transmitting equipment, the antenna of the tested product, the receiving equipment, the turntable and other instrument equipment through a system program.
The transmitting device and the receiving device may be different types of devices, for example, the transmitting device is a vector network analyzer and the receiving device is a power meter. Or the transmitting device and the receiving device may be the same type of device, for example, the transmitting device and the receiving device are both vector network analyzers.
In one possible embodiment, two vector network analyzers may be employed, one vector network analyzer acting as a transmitting device and the other vector network analyzer acting as a receiving device. In order to test multiple patterns of the antenna of the tested product simultaneously, the vector network analyzer has the functions of transmitting signals and receiving signals, so that in another possible embodiment, one vector network analyzer can be used as a transmitting device and a receiving device simultaneously.
Fig. 2 is a schematic flow chart of a phased array antenna pattern acquisition method according to an embodiment of the present application, where the method may be executed by a PC control terminal in the pattern test system shown in fig. 1. Specifically, the flow of the method is described below.
S201, controlling the turntable to perform stepping motion according to a preset step length.
In the specific implementation process, the mechanical arm is moved to control the turntable to start from the initial position, stepping motion is performed according to a preset step length, and when the turntable moves to the end position, the turntable completes stepping motion of a preset period. The preset step length refers to the distance of each movement of the turntable, and can be a fixed value preset by a user or can be determined according to preset test parameters.
The preset test parameters are parameters set by a user before the start of a test, the test parameters comprise test frequency point data, test wave position data, a data acquisition interval, a turntable rotation range, a turntable rotation speed and a data storage mode, wherein the test frequency point data comprise a plurality of test frequency points, the test wave position data comprise a plurality of test wave positions corresponding to each test frequency point, the data acquisition interval is used for indicating the interval of data acquisition of receiving equipment, and the turntable rotation range is used for indicating the starting position and the ending position of turntable rotation.
In one possible embodiment, the preset step size and the preset period are determined according to preset test parameters.
Specifically, a preset period is determined according to a rotating range of the turntable, namely a starting position and an ending position of the turntable, and a preset step length is determined according to a data acquisition interval, the rotating range of the turntable and a rotating speed of the turntable, wherein the rotating range of the turntable and the preset step length are in positive correlation, the data acquisition interval and the preset step length are in negative correlation, and the rotating speed of the turntable and the preset step length are in negative correlation.
For example, the formula is: preset step size = turntable rotation range/(turntable rotation speed x data acquisition interval).
S202, after each step movement of the turntable is controlled, acquiring position data of the turntable.
The position data of the turntable is used for indicating the current position of the turntable, such as the rotation angle of the turntable from the starting position. After each step movement of the control turntable is completed, a plurality of test frequency points are set in sequence, and a plurality of test wave positions corresponding to each test frequency point are issued to the antenna of the tested product.
S203, reading test data on the receiving device.
The test data comprises power signal data, test frequency point data and test wave bit data.
S204, drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna.
In the implementation process, after the position data of the turntable and the test data on the receiving equipment are obtained, drawing is carried out according to the position data and the test data, the test data on the receiving equipment is used as Y-axis data, the position number of the turntable is used as X-axis data, and a chart of an antenna of a tested product is drawn by using a chart control and is displayed on a graphical interface of system software.
S205, until the turntable completes stepping motion in a preset period, obtaining a plurality of directional diagrams of the antenna of the tested product.
After each time the turntable completes one step movement, whether the turntable completes one preset period of step movement can be judged according to whether the turntable moves to the end position. Through S201-S204, each time the turntable completes stepping motion, a pattern of the antenna of the product to be tested can be obtained, and S201-S204 is repeatedly executed until the turntable completes stepping motion of a preset period, so that a plurality of patterns of the antenna of the product to be tested can be obtained.
In a possible embodiment, referring to fig. 1, the product antenna to be tested may further include a combiner, where a junction of the combiner is connected to a first port of the receiving device, and a junction of the combiner is connected to a second port of the receiving device.
The step of reading the test data on the receiving device can be divided into three cases, which are described below.
In the first case, the test data received by the receiving device through the first port is read.
And in the second case, reading the test data received by the receiving equipment through the second port.
And in the third case, reading the test data received by the receiving equipment through the first port and reading the test data received by the receiving equipment through the second port.
For the above three cases, the steps of drawing according to the position data and the test data to obtain the directional diagram of the antenna of the tested product are also three cases, and are described below.
And drawing according to the position data and the test data received by the first port to obtain a combined pattern of the tested product antenna.
And drawing according to the position data and the test data received by the second port to obtain a difference pattern of the tested product antenna.
And aiming at the third situation, drawing according to the position data and the test data received by the first port to obtain a combined direction diagram of the antenna of the tested product, and drawing according to the position data and the test data received by the second port to obtain a difference direction diagram of the antenna of the tested product.
In the embodiment of the application, the multi-port pattern can be acquired simultaneously by connecting the joint and the differential port of the antenna of the tested product with different ports of the receiving equipment, thereby improving the acquisition efficiency and obtaining different types of patterns (combined pattern and differential pattern).
In one possible embodiment, the receiving device is a vector network analyzer, the vector network analyzer being set to a manual trigger mode; before the test data on the receiving equipment are read, the vector network analyzer can be controlled to collect the test data in response to the manual triggering operation of the vector network analyzer by a user, and the test data collected by the vector network analyzer at different moments are recorded on different views.
In the implementation process, the vector network analyzer is provided with a plurality of views, and each time of manual triggering is performed, so that the vector network analyzer collects test data received at the current moment and records the test data received at the current moment in the current view.
In one possible embodiment, the vector network analyzer collects data through dual views as follows:
Switching a view window of the vector network analyzer into a first view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at a first moment, and recording the test data at the first moment on the first view;
And switching a view window of the vector network analyzer into a second view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at a second moment, and recording the test data at the second moment on the second view.
The flow of data acquisition by the vector network analyzer through the dual view is described in detail below with reference to fig. 3.
Firstly, setting receiving equipment (vector network) as a manual trigger mode, and setting the acquisition point number of the receiving equipment (vector network), namely the number of times that the receiving equipment (vector network) acquires data. Judging whether all the test frequency points and all the test wave bits corresponding to each test frequency point are issued, if not, switching the view of the receiving equipment (vector network) to view 1, manually triggering, recording the currently received power signal data, then switching the view of the receiving equipment (vector network) to view 2, manually triggering, recording the currently received power signal data until all the test frequency points and all the test wave bits corresponding to each test frequency point are issued, and reading all the data on the receiving equipment (vector network).
In one possible embodiment, the step of reading test data on the receiving device comprises:
judging whether issuing of a plurality of test wave bits corresponding to each test frequency point is completed or not;
if yes, reading the test data on the receiving equipment.
In the implementation process, after each time the control turntable finishes stepping motion, a plurality of test frequency points and a plurality of test wave bits corresponding to each test frequency point are issued to the antenna of the tested product, and if the issuing of the plurality of test wave bits corresponding to each test frequency point is determined to be finished, test data on the receiving equipment are read. If it is determined that the issuing of the plurality of test wave positions corresponding to each test frequency point is not completed, judging whether a wave beam instruction needs to be issued to the antenna of the tested product according to preset test parameters, wherein the wave beam instruction is used for indicating wave positions of the antenna of the tested product, namely wave beam direction, if so, issuing the wave beam instruction to the antenna of the tested product, controlling test data collected by receiving equipment (vector network), and if not, directly controlling the test data collected by the receiving equipment (vector network).
In one possible embodiment, before determining whether the issuing of the plurality of test wave bits corresponding to the plurality of test frequency points is completed, the method further includes:
judging whether the issuing of the plurality of test frequency points is finished;
If not, setting the frequencies of the transmitting equipment and the receiving equipment.
In the specific implementation process, after each time the control turntable finishes stepping motion, a plurality of test frequency points and a plurality of test wave positions corresponding to each test frequency point are issued, and if the fact that the plurality of test frequency points are not issued is determined, the frequencies of the transmitting equipment and the receiving equipment are set to be the plurality of test frequency points in a circulating mode. If the fact that the issuing of the plurality of test frequency points is completed is determined, whether the turntable completes the stepping motion of the preset period is further judged.
For easy understanding, the overall flow of the phased array antenna pattern acquisition method according to the embodiment of the present application is described in detail below with reference to fig. 4.
Before the test starts, all instruments, receiving equipment, transmitting equipment and communication ports required by the test are connected, and the control communication protocol of the antenna of the tested product is read so as to facilitate the control of a system program. The user can pre-select the receiving equipment and the transmitting equipment, and pre-configure test parameters such as test frequency point data, test wave position data, rotating range of the rotating table, rotating speed of the rotating table, data acquisition interval, data storage mode and the like.
After the test starts, the system program can acquire preset various test parameters, control the turntable to move to an initial position, and calculate a preset step length according to the preset test parameters, wherein the test parameters comprise a turntable rotation range, a turntable rotation speed and a data acquisition interval. And judging whether the turntable completes the stepping motion of a preset period according to whether the turntable reaches the end position, if so, controlling the turntable to return to the original position, processing the acquired data, and storing the data according to a data storage mode configured by a user.
Further, if the turntable does not complete the stepping motion of a preset period, after the mechanical arm is set to move to the corresponding point according to the preset step length, whether the last frequency point is issued is judged, and if the last frequency point is issued, whether the turntable completes the stepping motion of the preset period is continuously judged.
If the last frequency point is not issued, setting the frequencies of the transmitting equipment and the receiving equipment, judging whether the issuing of the last wave beam is completed, if the issuing of the last wave beam is not completed, judging whether to issue a wave beam instruction to the antenna of the tested product according to preset test parameters, if so, issuing the wave beam instruction, controlling the receiving equipment to acquire data, and if not, directly controlling the receiving equipment to acquire data. If the last beam is issued, reading the data on the receiving equipment, drawing a directional diagram by using the chart software, and then continuously judging whether the issuing of the last beam is completed.
By testing 180 degree patterns using conventional pattern testing methods, a pattern can be acquired about 30 seconds at a turntable speed of 5 DEG/s, and 120 patterns can be acquired about 1 hour. After multiple tests of the system, the phased array antenna pattern acquisition method provided by the embodiment of the application can acquire more than 600 patterns in 1 hour, and the acquisition efficiency is 5 times that of the traditional test method.
In summary, the embodiment of the present application provides a phased array antenna pattern acquisition method, which uses a system program to control a turntable to perform stepping motion, after each stepping motion of the turntable, issues frequency points, wave positions and channels required by a test, after each issuing is completed, a receiving device (vector network) switches a view window up and down, sets a manual trigger of the receiving device (vector network), records data on the receiving device (vector network), reads all test data on the receiving device (vector network) to process before the turntable moves next time, and draws a pattern to display on a graphical interface of the system program until the whole motion period is completed. The turntable can obtain multiple directional diagrams of multiple frequency points, multiple wave positions and multiple channels by only completing one complete periodic stepping movement, the testing efficiency is 5 times that of the traditional testing method, and the collection efficiency of the directional diagrams can be effectively improved.
Based on the same inventive concept, as shown in fig. 5, the embodiment of the application also provides a phased array antenna pattern acquisition device, which is arranged in the pattern test system shown in fig. 1, wherein the pattern test system comprises a tested product antenna, a turntable and receiving equipment, the tested product antenna is fixed on the turntable, and the tested product antenna is connected with the receiving equipment; the phased array antenna pattern acquisition device comprises:
The control module is used for controlling the turntable to perform stepping motion according to a preset step length;
the acquisition module is used for acquiring the position data of the turntable after each time the turntable is controlled to complete stepping movement;
The reading module is used for reading the test data on the vector network analyzer;
The drawing module is used for drawing according to the position data and the test data to obtain a directional diagram of the antenna of the tested product;
the obtaining module is used for obtaining a plurality of directional patterns of the antenna of the tested product until the turntable completes stepping motion of a preset period.
Optionally, the phased array antenna pattern acquisition device further includes a determining module, where the determining module is configured to:
Before the control turntable performs stepping motion according to a preset step length, determining a preset step length and a preset period according to preset test parameters; the preset test parameters comprise a data acquisition interval, a rotating range of the turntable and a rotating speed of the turntable.
Optionally, the measured product antenna comprises a combiner, a closing port of the combiner is connected with a first port of the receiving device, and a difference port of the combiner is connected with a second port of the receiving device;
The reading module is specifically used for: reading test data received by the receiving equipment through the first port and/or reading test data received by the receiving equipment through the second port;
The obtaining module is specifically used for: and drawing according to the position data and the test data received by the first port to obtain a combined direction diagram of the antenna of the tested product, and/or drawing according to the position data and the test data received by the second port to obtain a differential direction diagram of the antenna of the tested product.
Optionally, the receiving device is a vector network analyzer, and the vector network analyzer is set to a manual trigger mode; the control module is also used for: before the test data on the receiving equipment are read, the vector network analyzer is controlled to collect the test data at the current moment in response to the manual triggering operation of the user on the vector network analyzer, and the test data collected by the vector network analyzer at different moments are recorded on different views.
Optionally, the control module is further configured to:
Switching a view window of the vector network analyzer into a first view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at a first moment, and recording the test data at the first moment on the first view;
And switching a view window of the vector network analyzer into a second view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at a second moment, and recording the test data at the second moment on the second view.
Optionally, the pattern test system further includes a transmitting device, and the test parameters further include a plurality of test frequency points and a plurality of test wave positions corresponding to each test frequency point;
the phased array antenna pattern acquisition device further comprises a judging module, wherein the judging module is further used for: judging whether issuing of a plurality of test wave bits corresponding to each test frequency point is completed or not;
the reading module is specifically used for: and if the fact that the issuing of a plurality of test wave bits corresponding to each test frequency point is completed is judged, reading test data on the receiving equipment.
Optionally, the phased array antenna pattern acquisition device further comprises a setting module;
the judging module is also used for: before judging whether the issuing of a plurality of test wave bits corresponding to the plurality of test frequency points is finished, judging whether the issuing of the plurality of test frequency points is finished;
the setting module is used for: if the completion of the issuing of the plurality of test frequency points is judged, the working frequency points of the transmitting equipment and the receiving equipment are set.
It should be noted that, each module in the phased array antenna pattern acquisition device in this embodiment corresponds to each step in the phased array antenna pattern acquisition method in the foregoing embodiment one-to-one, so that a specific implementation of this embodiment may refer to an implementation of the phased array antenna pattern acquisition method, and will not be described herein again.
In addition, in one embodiment, the application further provides a computer device, which comprises a processor, a memory and a computer program stored in the memory, wherein the computer program is executed by the processor to realize the phased array antenna pattern acquisition method.
In addition, in one embodiment, the present application further provides a computer storage medium, where a computer program is stored, and the computer program is executed by a processor to implement the phased array antenna pattern acquisition method.
In some embodiments, the computer readable storage medium may be FRAM, ROM, PROM, EPROM, EEPROM, flash memory, magnetic surface memory, optical disk, or CD-ROM; but may be a variety of devices including one or any combination of the above memories. The computer may be a variety of computing devices including smart terminals and servers.
In some embodiments, the executable instructions may be in the form of programs, software modules, scripts, or code, written in any form of programming language (including compiled or interpreted languages, or declarative or procedural languages), and they may be deployed in any form, including as stand-alone programs or as modules, components, subroutines, or other units suitable for use in a computing environment.
As an example, executable instructions may, but need not, correspond to files in a file system, may be stored as part of a file that holds other programs or data, such as in one or more scripts in a hypertext markup language (HTML, hyper Text Markup Language) document, in a single file dedicated to the program in question, or in multiple coordinated files (e.g., files that store one or more modules, sub-programs, or portions of code).
As an example, executable instructions may be deployed to be executed on one computing device or on multiple computing devices located at one site or distributed across multiple sites and interconnected by a communication network.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of embodiments, it will be clear to a person skilled in the art that the above embodiment method may be implemented by means of software plus a necessary general hardware platform, but may of course also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. read-only memory/random-access memory, magnetic disk, optical disk) comprising several instructions for causing a multimedia terminal device (which may be a mobile phone, a computer, a television receiver, or a network device, etc.) to perform the method according to the embodiments of the present application.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The phased array antenna pattern acquisition method is characterized by being applied to a pattern test system, wherein the pattern test system comprises a tested product antenna, a turntable and receiving equipment, the tested product antenna is fixed on the turntable, and the tested product antenna is connected with the receiving equipment; the phased array antenna pattern acquisition method comprises the following steps:
Controlling the turntable to perform stepping motion according to a preset step length;
After each stepping movement of the turntable is controlled, position data of the turntable are obtained;
reading test data on the receiving equipment;
drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna;
and obtaining a plurality of directional patterns of the tested product antenna until the turntable completes stepping motion in a preset period.
2. The phased array antenna pattern acquisition method of claim 1, wherein prior to controlling the turntable to perform a step motion according to a preset step size, the phased array antenna pattern acquisition method further comprises:
determining the preset step length and the preset period according to preset test parameters; the preset test parameters comprise a data acquisition interval, a rotating range of the turntable and a rotating speed of the turntable.
3. The phased array antenna pattern acquisition method of claim 1, wherein the product antenna under test comprises a combiner, a junction of the combiner being connected to a first port of the receiving device, a junction of the combiner being connected to a second port of the receiving device;
Reading test data on the receiving device, comprising:
Reading test data received by the receiving equipment through the first port and/or reading test data received by the receiving equipment through the second port;
drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna, wherein the directional diagram comprises the following steps:
And drawing according to the position data and the test data received by the first port to obtain a combined direction diagram of the tested product antenna, and/or drawing according to the position data and the test data received by the second port to obtain a difference direction diagram of the tested product antenna.
4. The phased array antenna pattern acquisition method of claim 1, wherein the receiving device is a vector network analyzer, the vector network analyzer being set to a manual trigger mode; the phased array antenna pattern acquisition method further comprises, prior to reading the test data on the receiving device:
and responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to acquire test data at the current moment, and recording the test data acquired by the vector network analyzer at different moments on different views.
5. The phased array antenna pattern acquisition method of claim 4, wherein controlling the vector network analyzer to acquire test data at a current time in response to a manual trigger operation of the vector network analyzer by a user, recording the test data acquired by the vector network analyzer at different times on different views, comprises:
Switching a view window of the vector network analyzer into a first view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to collect test data at a first moment, and recording the test data at the first moment on the first view;
And switching a view window of the vector network analyzer into a second view, responding to manual triggering operation of a user on the vector network analyzer, controlling the vector network analyzer to collect test data at a second moment, and recording the test data at the second moment on the second view.
6. The phased array antenna pattern acquisition method of claim 2, wherein the pattern test system further comprises a transmitting device, and the test parameters further comprise a plurality of test frequency points and a plurality of test wave positions corresponding to each test frequency point; reading test data on the receiving device, comprising:
judging whether issuing of a plurality of test wave bits corresponding to each test frequency point is completed or not;
If yes, reading the test data on the receiving equipment.
7. The phased array antenna pattern acquisition method of claim 6, wherein before determining whether the issuing of the plurality of test wave bits corresponding to the plurality of test frequency points is completed, the phased array antenna pattern acquisition method further comprises:
Judging whether the issuing of the plurality of test frequency points is completed or not;
if not, setting the working frequency points of the transmitting equipment and the receiving equipment.
8. The phased array antenna pattern acquisition device is characterized by being arranged in a pattern test system, wherein the pattern test system comprises a tested product antenna, a turntable and receiving equipment, the tested product antenna is fixed on the turntable, and the tested product antenna is connected with the receiving equipment; the phased array antenna pattern acquisition device comprises:
the control module is used for controlling the turntable to perform stepping motion according to a preset step length;
the acquisition module is used for acquiring the position data of the turntable after each step movement of the turntable is controlled;
the reading module is used for reading the test data on the receiving equipment;
The drawing module is used for drawing according to the position data and the test data to obtain a directional diagram of the tested product antenna;
The obtaining module is used for obtaining a plurality of directional diagrams of the tested product antenna until the turntable completes stepping motion of a preset period.
9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the phased array antenna pattern acquisition method of any one of claims 1-7.
10. A computer readable storage medium having stored thereon a computer program, a processor executing the computer program to implement the phased array antenna pattern acquisition method of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410432699.2A CN118033573A (en) | 2024-04-11 | 2024-04-11 | Phased array antenna pattern acquisition method, device, equipment and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410432699.2A CN118033573A (en) | 2024-04-11 | 2024-04-11 | Phased array antenna pattern acquisition method, device, equipment and medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118033573A true CN118033573A (en) | 2024-05-14 |
Family
ID=90988080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410432699.2A Pending CN118033573A (en) | 2024-04-11 | 2024-04-11 | Phased array antenna pattern acquisition method, device, equipment and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118033573A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008209135A (en) * | 2007-02-23 | 2008-09-11 | Mitsubishi Electric Corp | Antenna measurement device |
| CN103267902A (en) * | 2013-05-20 | 2013-08-28 | 中国电子科技集团公司第四十一研究所 | Fast antenna testing device and method based on hardware triggering |
| CN110554249A (en) * | 2019-09-04 | 2019-12-10 | 中山香山微波科技有限公司 | Far field test system for microwave darkroom |
| CN112104431A (en) * | 2020-11-23 | 2020-12-18 | 成都天锐星通科技有限公司 | Phased array antenna measurement error correction method, device and measurement system |
| CN113866522A (en) * | 2021-12-07 | 2021-12-31 | 成都锐芯盛通电子科技有限公司 | Directional diagram test method and system of phased array antenna |
| CN115356697A (en) * | 2022-08-09 | 2022-11-18 | 北京天地一格科技有限公司 | Test method for phased array radar antenna directional diagram |
| CN116559755A (en) * | 2023-06-26 | 2023-08-08 | 倍测通电子科技(上海)有限公司 | Array antenna active standing wave test calibration system and method |
-
2024
- 2024-04-11 CN CN202410432699.2A patent/CN118033573A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008209135A (en) * | 2007-02-23 | 2008-09-11 | Mitsubishi Electric Corp | Antenna measurement device |
| CN103267902A (en) * | 2013-05-20 | 2013-08-28 | 中国电子科技集团公司第四十一研究所 | Fast antenna testing device and method based on hardware triggering |
| CN110554249A (en) * | 2019-09-04 | 2019-12-10 | 中山香山微波科技有限公司 | Far field test system for microwave darkroom |
| CN112104431A (en) * | 2020-11-23 | 2020-12-18 | 成都天锐星通科技有限公司 | Phased array antenna measurement error correction method, device and measurement system |
| CN113866522A (en) * | 2021-12-07 | 2021-12-31 | 成都锐芯盛通电子科技有限公司 | Directional diagram test method and system of phased array antenna |
| CN115356697A (en) * | 2022-08-09 | 2022-11-18 | 北京天地一格科技有限公司 | Test method for phased array radar antenna directional diagram |
| CN116559755A (en) * | 2023-06-26 | 2023-08-08 | 倍测通电子科技(上海)有限公司 | Array antenna active standing wave test calibration system and method |
Non-Patent Citations (1)
| Title |
|---|
| 钟洋等: "基于紧缩场暗室的相控阵天线快速测试系统设计研究", 《电子制作》, 31 December 2022 (2022-12-31), pages 88 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101738604B (en) | Automatic test system for millimeter wave receiver | |
| CN104133120B (en) | A kind of WB-RCS method of testing simultaneously tested based on multichannel | |
| CN109782241B (en) | Meteorological radar echo simulation method and system | |
| CN202404161U (en) | Antenna far field testing system | |
| CN106771673B (en) | A kind of GPS antenna directionality test method and system | |
| CN103616569A (en) | Method for correcting near-field test phases of millimeter wave plane | |
| CN107632210B (en) | Terahertz antenna plane near field measurement system | |
| CN102207545B (en) | Automatic testing method and system for transmission characteristic of microwave/millimeter wave vector modulator | |
| CN105763272A (en) | Self-calibration radio environment testing platform and testing method thereof | |
| CN102565546A (en) | Electromagnetic radiation scanning and positioning method | |
| CN206531954U (en) | Car radar test device | |
| CN118033573A (en) | Phased array antenna pattern acquisition method, device, equipment and medium | |
| CN108574541B (en) | Antenna performance testing device, method and system | |
| CN118311512A (en) | Electromagnetic radiation, scattering and space perception integrated test system and method | |
| CN205691671U (en) | Frequency-selecting electromagnetic radiation monitoring instrument | |
| CN112985867B (en) | Steering engine testing method, device, equipment and storage medium | |
| CN108226885B (en) | Interference test system between millimeter wave radar and radio astronomy | |
| CN103630556A (en) | Automatic testing method for electromagnetic transmissivity | |
| CN116298554A (en) | Antenna multi-frequency-point directional diagram testing system and method in external field environment | |
| CN207215909U (en) | A kind of Antenna Pattern Measuring Test device based on vector network analyzer | |
| CN110703247B (en) | Wave position information detection method, wave position information detection device and storage medium | |
| CN115047257A (en) | Automatic antenna measuring system based on spherical surface near field measurement | |
| CN107064834B (en) | Broadband electromagnetic imaging surface signal acquisition system based on light path switching | |
| CN116633454B (en) | Method, equipment and system for testing rolling surface of fuze antenna | |
| CN114726456A (en) | Active antenna test method, device, terminal, system, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |