CN117728906B - Anti-interference performance test system and method for active antenna - Google Patents
Anti-interference performance test system and method for active antenna Download PDFInfo
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Abstract
The invention discloses an anti-interference performance test system and method of an active antenna, belonging to the field of electric signal test.
Description
Technical Field
The invention belongs to the field of transmission testing, and particularly relates to an anti-interference performance testing system and method for an active antenna.
Background
The active antenna is an antenna with active working capacity, and can provide energy through an energy device carried by the active antenna, so that the antenna can complete tasks which cannot be completed by the traditional antenna, the anti-interference performance test of the active antenna is a process for evaluating and verifying the anti-interference capacity of the antenna in an interference environment, the anti-interference performance test of the active antenna is a complex process, factors such as characteristics of an antenna system, characteristics of an interference source, selection of test parameters and the like need to be fully considered, reliability and repeatability of test results are ensured, and meanwhile, corresponding test methods and test indexes are selected according to specific application scenes and requirements;
an apparatus for testing anti-interference performance of an active antenna in chinese patent application publication No. CN111711498A, for example, comprises: the device comprises an interference pulse signal source, a radio frequency signal source, a first filter and a first branching unit, wherein the first branching unit is used for branching a target radio frequency signal provided by the radio frequency signal source to obtain a first radio frequency signal and a second radio frequency signal; the combiner is used for combining the pulse filtering signal and the first radio frequency signal to obtain a combined signal; the standard antenna is used for exciting the active antenna to be tested by using the combined signal to generate a target test signal; a second filter for filtering the target test signal; the phase shifter is used for shifting the phase of the second radio frequency signal to obtain a phase-shifted radio frequency signal; and the phase discriminator is used for detecting the phase difference between the filter test signal and the phase-shifting radio frequency signal and evaluating the anti-interference performance of the active antenna to be tested by detecting the phase difference. Obviously, the device can simulate the real use environment of the active antenna, so that the accuracy of the anti-interference performance test result of the active antenna can be remarkably improved;
the problems proposed in the background art exist in the above patents: in the prior art, the received information intensity of the active antenna cannot be compared and calculated through the signal transmitting-receiving characteristics of the active antenna, the anti-interference capability of the active antenna after production in an interference environment is evaluated inaccurately, and in order to solve the problems, the application designs an anti-interference performance testing system and method of the active antenna.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-interference performance test system and method of an active antenna, the invention obtains the view angle and the detection distance of the active antenna, places a to-be-detected source at the set detection distance position of the active antenna under the condition that no interference source is arranged, the active antenna sends a signal source with specified strength to irradiate the to-be-detected source, obtains the signal strength reflected by the to-be-detected source, sets the signal strength as a first test strength, places the interference source with specified interference frequency and strength on a connecting line between the active antenna and the to-be-detected source, moves the interference source from the active antenna to the to-be-detected source, obtains the signal strength reflected by the to-be-detected source in the process of moving the interference source from the active antenna to the to-be-detected source, sets the signal strength as a second test signal strength sequence, substitutes the obtained first test strength and the second test signal strength sequence into an anti-interference abnormal value calculation strategy, compares the calculated overall anti-interference abnormal value with a set anti-interference abnormal threshold, and if the calculated overall anti-interference abnormal value is compared with the set anti-interference abnormal value, performs corresponding to the calculated overall anti-interference abnormal value with the set anti-interference abnormal value, and carries out accurate judgment on the anti-interference signal to obtain the acceptable signal corresponding to the overall anti-interference abnormal value after the antenna is compared with the set anti-interference abnormal value, and the anti-interference abnormal value is judged, if the overall anti-interference abnormal value is judged and the anti-interference abnormal signal is judged, and the acceptable to be judged.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the anti-interference performance test method of the active antenna comprises the following specific steps:
s1, acquiring an angle of view and a detection distance of an active antenna, placing a source to be detected at a set detection distance position of the active antenna under the condition that no interference source is arranged, transmitting a signal source with specified intensity by the active antenna to irradiate the source to be detected, acquiring the signal intensity reflected by the source to be detected, and setting the signal intensity as a first test intensity;
s2, placing an interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected for movement, moving the interference source from the active antenna to the source to be detected, acquiring the signal intensity reflected by the source to be detected in the process of moving the interference source from the active antenna to the source to be detected, and setting the signal intensity as a second test signal intensity sequence;
s3, substituting the acquired first test intensity and second test signal intensity sequences into an anti-interference abnormal value calculation strategy to calculate an overall anti-interference abnormal value;
s4, comparing the calculated integral anti-interference abnormal value with a set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is compared with the set anti-interference abnormal threshold, judging that the corresponding active antenna anti-interference performance is unqualified, carrying out unqualified reminding, otherwise judging that the corresponding active antenna anti-interference performance is qualified, and carrying out qualified reminding.
Specifically, the step S1 includes the following specific steps:
s11, acquiring an angle of view and a detection distance of an active antenna, and selecting a set detection distance position on the premise of not setting an interference source, wherein the set detection distance position is any point in a sector area between one half of the detection distance and one detection distance in the angle of view of the active antenna, and a source to be detected is arranged at the set detection distance position;
s12, an active antenna transmitting end transmits a signal source with specified intensity to irradiate a source to be detected, the signal source with the specified intensity is a signal source with the rated transmitting intensity of the active antenna being more than or equal to 50%, a reflected signal is received by a receiving end of the active antenna after the signal source irradiates the source to be detected, the signal intensity of the reflected signal is obtained, and the signal intensity of the reflected signal is set to be a first test intensity;
specifically, the S2 includes the following specific contents:
s21, acquiring an interference source with specified interference frequency and intensity, acquiring a connecting line between an active antenna and a source to be detected, enabling the interference source to move between the active antenna and the source to be detected, enabling the interference source to move from the active antenna to the source to be detected, equally dividing the connecting line between the active antenna and the source to be detected into a plurality of connecting line segments, and acquiring the signal intensity of the source to be detected reflected received by a receiving end of the active antenna once when the interference source moves to the midpoint position of the connecting line segments; here, the interference source of the interference frequency and intensity is specified as the interference source of the maximum interference frequency and maximum intensity which are noted in the specification of producing the active antenna and do not cause the distortion of the signal received by the active antenna;
s22, until the interference source moves to a source to be detected, the source to be detected acquires the signal intensity reflected by the source to be detected, the number of which is the same as that of the connecting line segment, and the signal intensity is set as a second test signal intensity sequence;
specifically, the anti-interference outlier calculation strategy of S3 includes the following specific steps:
s31, obtaining a first test intensity sequence and a second test signal intensity sequence, substituting the second test signal intensity sequence into an average value calculation formula to calculate an average value of the second test signal intensity sequence, wherein the average value calculation formula is as follows:wherein n is the number of connecting wire segments, +.>For the interference source to move to the midpoint position of the ith connecting line segment, the signal intensity of the source to be detected reflected received by the active antenna receiving end is obtained;
s32, substituting the average value of the second test signal intensity sequence and the first test intensity into a first anti-interference abnormal value calculation formula to calculate a first anti-interference abnormal value, wherein the first anti-interference abnormal value calculation formula is as follows:where x is the first test intensity.
Specifically, the anti-interference outlier calculation strategy of S3 further includes the following specific steps:
s33, acquiring a first test intensity and a second test signal intensity sequence, substituting the first test intensity and the second test signal intensity sequence into a second anti-interference abnormal value calculation formula to calculate a second anti-interference abnormal value, wherein the second anti-interference abnormal value calculation formula is as follows:wherein->The distance value from the midpoint position of the ith connecting line segment to the active antenna;
s34, substituting the obtained second anti-interference abnormal value and the first anti-interference abnormal value into a calculation formula of the integral anti-interference abnormal value to calculate the integral anti-interference abnormal value, wherein the calculation formula of the integral anti-interference abnormal value is as follows:wherein->For the first antijamming outlier duty cycle,/->For the second antijam outlier duty cycle, exp () is the power of e, ++>Wherein->；
Specifically, the specific steps of S4 are as follows:
s41, extracting the calculated integral anti-interference abnormal value, and comparing the obtained integral anti-interference abnormal value with a set anti-interference abnormal threshold;
s42, comparing the calculated anti-interference abnormal value with a set anti-interference abnormal threshold, judging that the corresponding active antenna anti-interference performance is unqualified if the calculated overall anti-interference abnormal value is larger than or equal to the set anti-interference abnormal threshold, and carrying out unqualified reminding, otherwise judging that the corresponding active antenna anti-interference performance is qualified, and carrying out qualified reminding.
It should be noted that, the first antijamming anomaly value duty ratio coefficient, the second antijamming anomaly value duty ratio coefficient and the antijamming anomaly threshold value take the following values: acquiring 5000 groups of active antennas which are detected as qualified by an expert and active antennas which are detected as unqualified by the expert, substituting data acquisition of the active antennas into a calculation formula of an overall anti-interference abnormal value to calculate the overall anti-interference abnormal value, and importing the calculated overall anti-interference abnormal value and a qualification judgment result into fitting software to output optimal first anti-interference abnormal value duty ratio coefficient, second anti-interference abnormal value duty ratio coefficient and anti-interference abnormal threshold value values which accord with qualification judgment accuracy;
the anti-interference performance test system of the active antenna is realized based on the anti-interference performance test method of the active antenna, and comprises a non-interference data acquisition module, an integral anti-interference abnormal value calculation module, a data comparison module, a qualification reminding module and a control module, wherein the non-interference data acquisition module is used for acquiring the angle of view and the detection distance of the active antenna, the to-be-detected source is placed at the set detection distance position of the active antenna under the condition of not setting an interference source, the active antenna sends a signal source with specified intensity to irradiate the source to be detected, the signal intensity reflected by the source to be detected is obtained, the interference data obtaining module is used for placing the interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected for movement, the interference source moves from the active antenna to the source to be detected, and the signal intensity reflected by the source to be detected in the process that the interference source moves from the active antenna to the source to be detected is obtained.
Specifically, the integral anti-interference abnormal value calculating module is used for substituting the acquired first test intensity and second test signal intensity sequences into an anti-interference abnormal value calculating strategy to calculate an integral anti-interference abnormal value, the data comparing module is used for comparing the calculated integral anti-interference abnormal value with a set anti-interference abnormal threshold, and the qualification reminding module is used for reminding that the anti-interference performance of the active antenna is unqualified or unqualified.
Specifically, the control module is used for controlling the operation of the non-interference data acquisition module, the integral anti-interference abnormal value calculation module, the data comparison module and the qualification reminding module.
An electronic device, comprising: a processor and a memory, wherein the memory stores a computer program for the processor to call;
the processor executes the anti-interference performance testing method of the active antenna by calling the computer program stored in the memory.
A computer readable storage medium storing instructions that, when executed on a computer, cause the computer to perform a method of testing the anti-interference performance of an active antenna as described above.
Compared with the prior art, the invention has the beneficial effects that:
the invention obtains the view angle and the detection distance of an active antenna, places a source to be detected at the position of the set detection distance of the active antenna under the condition that no interference source is arranged, sends a signal source with specified intensity to irradiate the source to be detected, obtains the signal intensity reflected by the source to be detected, sets the signal intensity as a first test intensity, places the interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected to move, moves the interference source from the active antenna to the source to be detected, obtains the signal intensity reflected by the source to be detected in the process of moving the interference source from the active antenna to the source to be detected, sets the signal intensity as a second test signal intensity sequence, substitutes the obtained first test intensity and second test signal intensity sequence into an anti-interference abnormal value calculation strategy to calculate the integral anti-interference abnormal value, comparing the calculated integral anti-interference abnormal value with a set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is compared with the set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is larger than or equal to the set anti-interference abnormal threshold, judging that the anti-interference performance of the corresponding active antenna is unqualified, carrying out unqualified reminding, otherwise judging that the anti-interference performance of the corresponding active antenna is qualified, carrying out qualified reminding, and carrying out accurate inspection and evaluation on the anti-interference performance of the produced active antenna under the interference environment by comparing and calculating the received information intensity of the active antenna.
Drawings
FIG. 1 is a flow chart of a method for testing anti-interference performance of an active antenna according to the present invention;
FIG. 2 is a schematic diagram of an overall frame of an anti-interference performance test system for an active antenna according to the present invention;
fig. 3 is a schematic diagram of the positions of each device tested in the method for testing the anti-interference performance of an active antenna according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1 and 3, an embodiment of the present invention is provided: the anti-interference performance test method of the active antenna comprises the following specific steps:
s1, acquiring an angle of view and a detection distance of an active antenna, placing a source to be detected at a set detection distance position of the active antenna under the condition that no interference source is arranged, transmitting a signal source with specified intensity by the active antenna to irradiate the source to be detected, acquiring the signal intensity reflected by the source to be detected, and setting the signal intensity as a first test intensity;
s2, placing an interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected for movement, moving the interference source from the active antenna to the source to be detected, acquiring the signal intensity reflected by the source to be detected in the process of moving the interference source from the active antenna to the source to be detected, and setting the signal intensity as a second test signal intensity sequence;
s3, substituting the acquired first test intensity and second test signal intensity sequences into an anti-interference abnormal value calculation strategy to calculate an overall anti-interference abnormal value;
s4, comparing the calculated integral anti-interference abnormal value with a set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is compared with the set anti-interference abnormal threshold, judging that the corresponding active antenna anti-interference performance is unqualified, carrying out unqualified reminding, otherwise judging that the corresponding active antenna anti-interference performance is qualified, and carrying out qualified reminding;
it should be noted that, S1 includes the following specific steps:
s11, as shown in FIG. 3, acquiring the field angle and the detection distance of the active antenna, selecting a set detection distance position on the premise of not setting an interference source, wherein the set detection distance position is any point in a sector area between one half of the detection distance and one detection distance in the field angle of the active antenna, and installing a source to be detected at the set detection distance position;
s12, an active antenna transmitting end transmits a signal source with specified intensity to irradiate a source to be detected, the signal source with the specified intensity is a signal source with the rated transmitting intensity of the active antenna being more than or equal to 50%, a reflected signal is received by a receiving end of the active antenna after the signal source irradiates the source to be detected, the signal intensity of the reflected signal is obtained, and the signal intensity of the reflected signal is set to be a first test intensity;
here, S2 includes the following specific contents:
s21, acquiring an interference source with specified interference frequency and intensity, acquiring a connecting line between an active antenna and a source to be detected, enabling the interference source to move between the active antenna and the source to be detected, enabling the interference source to move from the active antenna to the source to be detected, equally dividing the connecting line between the active antenna and the source to be detected into a plurality of connecting line segments, and acquiring the signal intensity of the source to be detected reflected received by a receiving end of the active antenna once when the interference source moves to the midpoint position of the connecting line segments; here, the interference source of the interference frequency and intensity is specified as the interference source of the maximum interference frequency and maximum intensity which are noted in the specification of producing the active antenna and do not cause the distortion of the signal received by the active antenna;
the following is a simple C language code example, which is used to obtain an interference source with a specified interference frequency and intensity, so that the interference source moves between the active antenna and the source to be detected, and the signal intensity reflected by the source to be detected received by the active antenna receiving end is obtained once when the interference source moves to the midpoint position of the wire segment;
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
defining basic functions and variables
double get_interference_frequency(void);
double get_interference_strength(void);
double get_line_segment_length(double start_frequency, double end_frequency);
void move_interference_source(double *interference_frequency, double *interference_strength);
double get_signal_strength(double start_frequency, double end_frequency, double start_strength, double end_strength);
int main(void) {
Location and intensity of// initialization interferers
double interference_frequency = get_interference_frequency();
double interference_strength = get_interference_strength();
Wire length between an active antenna and a source to be detected
double line_segment_length = get_line_segment_length(interference_frequency, get_interference_frequency());
Moving interference sources to midpoint locations of link segments
move_interference_source(&interference_frequency,&interference_strength);
Obtaining/obtaining signal intensity of source to be detected reflected received by active antenna receiving end
double signal_strength = get_signal_strength(interference_frequency, interference_frequency, interference_strength, get_interference_strength());
Output signal strength
printf("Signal strength at interference source position: %f\n", signal_strength);
return 0;
}
This code example is for the purpose of demonstrating basic concepts only and is not representative of a complete implementation of the actual application;
s22, until the interference source moves to a source to be detected, the source to be detected acquires the signal intensity reflected by the source to be detected, the number of which is the same as that of the connecting line segment, and the signal intensity is set as a second test signal intensity sequence;
it should be noted that, the anti-interference outlier calculation strategy of S3 includes the following specific steps:
s31, obtainingSubstituting the obtained first test intensity and second test signal intensity sequences into an average value calculation formula to calculate an average value of the second test signal intensity sequences, wherein the average value calculation formula is as follows:wherein n is the number of connecting wire segments, +.>For the interference source to move to the midpoint position of the ith connecting line segment, the signal intensity of the source to be detected reflected received by the active antenna receiving end is obtained;
s32, substituting the average value of the second test signal intensity sequence and the first test intensity into a first anti-interference abnormal value calculation formula to calculate a first anti-interference abnormal value, wherein the first anti-interference abnormal value calculation formula is as follows:wherein x is a first test intensity;
it should be noted that, the anti-interference outlier calculation strategy of S3 further includes the following specific steps:
s33, acquiring a first test intensity and a second test signal intensity sequence, substituting the first test intensity and the second test signal intensity sequence into a second anti-interference abnormal value calculation formula to calculate a second anti-interference abnormal value, wherein the second anti-interference abnormal value calculation formula is as follows:wherein->The distance value from the midpoint position of the ith connecting line segment to the active antenna;
s34, substituting the obtained second anti-interference abnormal value and the first anti-interference abnormal value into a calculation formula of the integral anti-interference abnormal value to calculate the integral anti-interference abnormal value, wherein the calculation formula of the integral anti-interference abnormal value is as follows:wherein->For the first antijamming outlier duty cycle,/->For the second antijam outlier duty cycle, exp () is the power of e, ++>Wherein->；
The specific steps of S4 are as follows:
s41, extracting the calculated integral anti-interference abnormal value, and comparing the obtained integral anti-interference abnormal value with a set anti-interference abnormal threshold;
s42, comparing the calculated anti-interference abnormal value with a set anti-interference abnormal threshold, judging that the anti-interference performance of the corresponding active antenna is unqualified if the calculated overall anti-interference abnormal value is greater than or equal to the set anti-interference abnormal threshold, and carrying out unqualified reminding, otherwise judging that the anti-interference performance of the corresponding active antenna is qualified, and carrying out qualified reminding;
it should be noted that, the first antijamming anomaly value duty ratio coefficient, the second antijamming anomaly value duty ratio coefficient and the antijamming anomaly threshold value take the following values: 5000 groups of active antennas which are detected as qualified by an expert and active antennas which are detected as unqualified are obtained, data acquisition of the active antennas is substituted into a calculation formula of the integral anti-interference abnormal value to calculate the integral anti-interference abnormal value, and the calculated integral anti-interference abnormal value and the qualification judgment result are imported into fitting software to output optimal first anti-interference abnormal value duty ratio coefficient, second anti-interference abnormal value duty ratio coefficient and anti-interference abnormal threshold value which accord with the qualification judgment accuracy.
The advantages of this embodiment over the prior art are therefore: the method comprises the steps of obtaining the view angle and the detection distance of an active antenna, placing a source to be detected at the set detection distance position of the active antenna under the condition that no interference source is arranged, sending a signal source with specified strength by the active antenna to irradiate the source to be detected, obtaining the signal strength reflected by the source to be detected, setting the signal strength as first test strength, placing the interference source with specified interference frequency and strength on a connecting line between the active antenna and the source to be detected, moving the interference source from the active antenna to the source to be detected, obtaining the signal strength reflected by the source to be detected in the process of moving the interference source from the active antenna to the source to be detected, setting the signal strength as second test signal strength sequence, substituting the obtained first test strength and second test signal strength sequence into an anti-interference abnormal value calculation strategy to calculate the integral anti-interference abnormal value, comparing the calculated integral anti-interference abnormal value with the set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is larger than or equal to the set anti-interference abnormal threshold, judging the corresponding active antenna to be detected, if the calculated integral anti-interference abnormal value is larger than or equal to the set anti-interference abnormal threshold, carrying out corresponding anti-interference value is not, and carrying out corresponding anti-interference information and evaluating the corresponding anti-interference information and carrying out the quality and the quality is judged in an acceptable process.
Example 2
As shown in fig. 2, an anti-interference performance testing system of an active antenna is implemented based on the anti-interference performance testing method of an active antenna, and includes a non-interference data acquisition module, an overall anti-interference outlier calculation module, a data comparison module, a qualification reminding module and a control module, wherein the non-interference data acquisition module is used for acquiring an angle of view and a detection distance of the active antenna, a source to be detected is placed at a set detection distance position of the active antenna under the condition that no interference source is arranged, the active antenna sends a signal source with specified intensity to irradiate the source to be detected, the signal intensity reflected by the source to be detected is acquired, the interference data acquisition module is used for placing the interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected, the interference source is moved from the active antenna to the source to be detected, and the signal intensity reflected by the source to be detected in the process that the interference source is moved from the active antenna to the source to be detected is acquired; the data comparison module is used for comparing the calculated overall anti-interference abnormal value with a set anti-interference abnormal threshold value, and the qualification reminding module is used for reminding that the anti-interference performance of the active antenna is unqualified or unqualified; the control module is used for controlling the operation of the non-interference data acquisition module, the integral anti-interference abnormal value calculation module, the data comparison module and the qualification reminding module.
Example 3
The present embodiment provides an electronic device including: a processor and a memory, wherein the memory stores a computer program for the processor to call;
the processor executes the anti-interference performance testing method of the active antenna by calling the computer program stored in the memory.
The electronic device may have a relatively large difference due to different configurations or performances, and may include one or more processors (Central Processing Units, CPU) and one or more memories, where at least one computer program is stored in the memories, and the computer program is loaded and executed by the processors to implement a method for testing anti-interference performance of an active antenna provided by the above method embodiments. The electronic device can also include other components for implementing the functions of the device, for example, the electronic device can also have wired or wireless network interfaces, input-output interfaces, and the like, for inputting and outputting data. The present embodiment is not described herein.
Example 4
The present embodiment proposes a computer-readable storage medium having stored thereon an erasable computer program;
when the computer program runs on the computer equipment, the computer equipment is caused to execute the anti-interference performance testing method of the active antenna.
For example, the computer readable storage medium can be Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), compact disk Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM), magnetic tape, floppy disk, optical data storage device, etc.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
It should be understood that determining B from a does not mean determining B from a alone, but can also determine B from a and/or other information.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions in accordance with embodiments of the present invention are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by way of wired or/and wireless networks from one website site, computer, server, or data center to another. Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc. that contain one or more collections of available media. Usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tape), optical media (e.g., DVD), or semiconductor media. The semiconductor medium may be a solid state disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the partitioning of units is merely one way of partitioning, and there may be additional ways of partitioning in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The anti-interference performance test method of the active antenna is characterized by comprising the following specific steps of:
s1, acquiring an angle of view and a detection distance of an active antenna, placing a source to be detected at a set detection distance position of the active antenna under the condition that no interference source is arranged, transmitting a signal source with specified intensity by the active antenna to irradiate the source to be detected, acquiring the signal intensity reflected by the source to be detected, and setting the signal intensity as a first test intensity;
the S1 comprises the following specific steps:
s11, acquiring an angle of view and a detection distance of an active antenna, and selecting a set detection distance position on the premise of not setting an interference source, wherein the set detection distance position is any point in a sector area between one half of the detection distance and one detection distance in the angle of view of the active antenna, and a source to be detected is arranged at the set detection distance position;
s12, an active antenna transmitting end transmits a signal source with specified intensity to irradiate a source to be detected, the signal source with the specified intensity is a signal source with the rated transmitting intensity of the active antenna being more than or equal to 50%, a reflected signal is received by a receiving end of the active antenna after the signal source irradiates the source to be detected, the signal intensity of the reflected signal is obtained, and the signal intensity of the reflected signal is set to be a first test intensity;
s2, placing an interference source with specified interference frequency and intensity on a connecting line between the active antenna and the source to be detected for movement, moving the interference source from the active antenna to the source to be detected, acquiring the signal intensity reflected by the source to be detected in the process of moving the interference source from the active antenna to the source to be detected, and setting the signal intensity as a second test signal intensity sequence;
s21, acquiring an interference source with specified interference frequency and intensity, acquiring a connecting line between an active antenna and a source to be detected, enabling the interference source to move between the active antenna and the source to be detected, enabling the interference source to move from the active antenna to the source to be detected, equally dividing the connecting line between the active antenna and the source to be detected into a plurality of connecting line segments, and acquiring the signal intensity of the source to be detected reflected received by a receiving end of the active antenna once when the interference source moves to the midpoint position of the connecting line segments;
s22, until the interference source moves to a source to be detected, the source to be detected acquires the signal intensity reflected by the source to be detected, the number of which is the same as that of the connecting line segment, and the signal intensity is set as a second test signal intensity sequence;
s3, substituting the acquired first test intensity and second test signal intensity sequences into an anti-interference abnormal value calculation strategy to calculate an overall anti-interference abnormal value;
the anti-interference abnormal value calculation strategy of the S3 comprises the following specific steps:
s31, obtaining a first test intensity sequence and a second test signal intensity sequence, substituting the second test signal intensity sequence into an average value calculation formula to calculate an average value of the second test signal intensity sequence, wherein the average value calculation formula is as follows:wherein n is the number of connecting wire segments, +.>For the interference source to move to the midpoint position of the ith connecting line segment, the signal intensity of the source to be detected reflected received by the active antenna receiving end is obtained;
s32, substituting the average value of the second test signal intensity sequence and the first test intensity into a first anti-interference abnormal value calculation formula to calculate a first anti-interference abnormal value, wherein the first anti-interference abnormal value calculation formula is as follows:wherein x is a first test intensity;
s33, acquiring a first test intensity and a second test signal intensity sequence, substituting the first test intensity and the second test signal intensity sequence into a second anti-interference abnormal value calculation formula to calculate a second anti-interference abnormal value, wherein the second anti-interference abnormal value calculation formula is as follows:wherein->The distance value from the midpoint position of the ith connecting line segment to the active antenna;
s34, substituting the obtained second anti-interference abnormal value and the first anti-interference abnormal value into a calculation formula of the integral anti-interference abnormal value to calculate the integral anti-interference abnormal value, wherein the calculation formula of the integral anti-interference abnormal value is as follows:wherein->For the first antijamming outlier duty cycle,/->For the second antijam outlier duty cycle, exp () is the power of e, ++>Wherein->；
S4, comparing the calculated integral anti-interference abnormal value with a set anti-interference abnormal threshold, if the calculated integral anti-interference abnormal value is compared with the set anti-interference abnormal threshold, judging that the corresponding active antenna anti-interference performance is unqualified, carrying out unqualified reminding, otherwise judging that the corresponding active antenna anti-interference performance is qualified, and carrying out qualified reminding.
2. The method for testing the anti-interference performance of the active antenna according to claim 1, wherein the specific steps of S4 are as follows:
s41, extracting the calculated integral anti-interference abnormal value, and comparing the obtained integral anti-interference abnormal value with a set anti-interference abnormal threshold;
s42, comparing the calculated anti-interference abnormal value with a set anti-interference abnormal threshold, judging that the corresponding active antenna anti-interference performance is unqualified if the calculated overall anti-interference abnormal value is larger than or equal to the set anti-interference abnormal threshold, and carrying out unqualified reminding, otherwise judging that the corresponding active antenna anti-interference performance is qualified, and carrying out qualified reminding.
3. An anti-interference performance testing system of an active antenna is realized based on the anti-interference performance testing method of the active antenna according to any one of claims 1-2, and is characterized by comprising an interference-free data acquisition module, an interference data acquisition module, an overall anti-interference outlier calculation module, a data comparison module, a qualification reminding module and a control module, wherein the interference-free data acquisition module is used for acquiring the field angle and the detection distance of the active antenna, placing a source to be detected at a set detection distance position of the active antenna without setting an interference source, the active antenna sends a signal source with a specified intensity to irradiate the source to be detected, and acquires the reflected signal intensity of the source to be detected, and the interference data acquisition module is used for moving the interference source with the specified interference frequency and the specified intensity on a connecting line between the active antenna and the source to be detected, moving the interference source from the active antenna to the source to be detected, and acquiring the reflected signal intensity of the source to be detected in the process of moving the interference source from the active antenna to the source to be detected.
4. The anti-interference performance test system of an active antenna according to claim 3, wherein the overall anti-interference abnormal value calculation module is configured to substitute the obtained first test intensity and the obtained second test signal intensity sequence into an anti-interference abnormal value calculation strategy to calculate an overall anti-interference abnormal value, the data comparison module is configured to compare the calculated overall anti-interference abnormal value with a set anti-interference abnormal threshold, and the qualification reminding module is configured to perform disqualification or disqualification reminding on the anti-interference performance of the active antenna; the control module is used for controlling the operation of the non-interference data acquisition module, the integral anti-interference abnormal value calculation module, the data comparison module and the qualification reminding module.
5. An electronic device, comprising: a processor and a memory, wherein the memory stores a computer program for the processor to call;
-c h a r a c t e r i z e d in that the processor is adapted to execute a method for testing the anti-interference performance of an active antenna according to any of claims 1-2 by invoking a computer program stored in the memory.
6. A computer readable storage medium storing instructions which, when executed on a computer, cause the computer to perform a method of testing the anti-interference performance of an active antenna according to any one of claims 1-2.
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