CN110441620A - A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method and system - Google Patents
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method and system Download PDFInfo
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- CN110441620A CN110441620A CN201910750727.4A CN201910750727A CN110441620A CN 110441620 A CN110441620 A CN 110441620A CN 201910750727 A CN201910750727 A CN 201910750727A CN 110441620 A CN110441620 A CN 110441620A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G7/00—Direction control systems for self-propelled missiles
- F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
- F41G7/24—Beam riding guidance systems
- F41G7/28—Radio guidance systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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Abstract
The invention discloses a kind of multifrequency point dynamics of antenna house aiming-line error test to search zero method and system, this method comprises: main control computer moves to dead-center position equipped with the turntable of receiving antenna by the control of scanning support turntable controller, transmitting antenna is moved to calibration position by gantry, makes dual-mode antenna geometry to just；Main control computer passes through scanning support turntable controller according to the test parameter of setting, the stroke of gantry movement setting obtains the poor channel direction figure of receiving antenna, and then transmitting antenna is moved to the corresponding zero deep position of center frequency point and realizes electric axis alignment by gantry；Main control computer obtains no cover test respectively and tests the zero deep position of lower angled all frequency points with cover, calculates the antenna house aiming-line error of each frequency point of each angle.
Description
Technical field
The invention belongs to the technical fields of the test of missile-borne radome more particularly to a kind of antenna house aiming-line error to test
Multifrequency point dynamic search zero method and system.
Background technique
Seeker antenna cover is one of important component of air missile weapon system.Antenna house protects seeker antenna
From the interference of external environment unfavorable factor, but radome wall will affect the radiation characteristic of antenna, and electromagnetic transmission is caused to damage
Consumption and antenna beam are directed toward offset, reduce the operating distance and guidance precision of guidance system.The electric performance test of antenna house
Always antenna house field and microwave measurement field a problem urgently to be resolved generally comprises power transmission factor test and takes aim at
Directrix error testing two parts, wherein the test of aiming-line error is always the side of antenna house electric performance test primary study
To.
The test method of antenna house aiming-line error mainly has electronics scaling method, electric axis tracing, searches zero method, however, hair
Bright people has found that electronics scaling method test macro needs to establish the calibration curve for receiving level and collimating fault in the course of the research, right
It generally requires to re-establish calibration curve in the antenna house newly developed, therefore there are certain deficiencies.Electric axis tracing is to receive
Antenna rotation, high requirement is proposed to turntable mechanical precision and response speed, at high cost, bad realization.Search zero method have it is quiet
State searches zero and searches zero with dynamic, and static state, which searches zero and dynamically searches zero, can be used identical system composition, distinguishes and is to search on zero algorithm.
It is as follows that static state searches zero algorithm: in dual-mode antenna geometry to after just, giving a fixed stroke, the turntable equipped with receiving antenna
Set angle, one stroke of scanning support forward motion are moved to, turntable moves to next angle, one row of scanning support counter motion
Journey loops back and forth like this, until all angle measurements are completed.
The static state of the lower antenna house aiming-line error test of point frequency is searched zero method and is had been carried out, but this method is scarce there are two
It falls into:
(1) point frequency, the test needs of multifrequency point is only supported to be repeated as many times；
(2) using the static method for searching zero, it is long and fixed to search zero stroke.
For the antenna house with multifrequency point testing requirement, the two defects lead to testing time length, low efficiency.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of multifrequency points of antenna house aiming-line error test
Dynamic searches zero method and system, can measure the aiming-line error of different frequent points simultaneously, and dynamic changes movement rail during searching zero
Mark substantially reduces and searches zero stroke, improves and searches zero velocity.The present invention mentions greatly very much in terms of multifrequency point and dynamic search 0 two
High testing efficiency, meets increasingly heavy testing requirement.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero method.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, this method comprises:
Send that control turntable moves to the control instruction of dead-center position and transmitting antenna is moved to calibration by gantry
The control instruction of position makes dual-mode antenna geometry to just to scanning support turntable controller；
The test parameter of setting and the stroke of scanning support movement setting are received, the control of the stroke of scanning support movement setting is sent
System is instructed to scanning support turntable controller, and obtains the poor channel direction figure of antenna；It generates and transmitting antenna is moved into center frequency
The control instruction of the corresponding zero deep position of point is sent to scanning support turntable controller, and gantry carries out dual-mode antenna electric axis pair
It is quasi-；
No cover test is obtained respectively and tests the zero deep position of lower angled all frequency points with cover, calculates each frequency of each angle
The antenna house aiming-line error of point.
Further, in this method, the test parameter of the setting includes searching zero velocity, sampling interval, starting end angle
Degree, angle interval, frequency, the scanning range and sweep spacing of electric axis alignment.
Further, in this method, using dynamically searching, zero method progress zero without cover lower angled all frequency points of test is deep
Position.
Further, in this method, using dynamically searching, zero method progress zero with cover lower angled all frequency points of test is deep
Position.
Further, in this method, the specific steps that the dynamic searches zero method include:
According to the zero velocity of searching of setting, the control searching zero velocity by inceptive direction move of the gantry to set is sent
It instructs to scanning support turntable controller；
The position that arrow nets poor channel data and records corresponding scanning support simultaneously is read in real time, according to the data of three sampled points
Judge the amplitude variation of each frequency point；
According to the monotonicity that each frequency point amplitude changes, the positional relationship of zero deep position and the direction of motion of each frequency point is determined,
Determine the direction of motion, that completes the angle searches zero；
The control instruction of control turntable one increment of rotation is sent to scanning support turntable controller, carries out next angle
Zero is searched, until all angle measurements are completed.
Further, in this method, the monotonicity changed according to each frequency point amplitude judges zero deep and fortune of each frequency point
The positional relationship in dynamic direction, determines the direction of motion, the specific steps for searching zero for completing the angle include:
Reduce if the amplitude of all frequency points is dull, do not change the direction of motion, constantly acquisition arrow network data, Zhi Daosuo
There is the amplitude of frequency point is dull to increase, sends the control instruction for stopping scanning support to scanning support turntable controller, record amplitude most
Small position is as zero deep position；
Increase if the amplitude of all frequency points is dull, sends that gantry stops and heterodromous control instruction is to sweeping
Frame turntable controller is retouched, is increased until the amplitude of all frequency points is dull, sends and stops the control instruction of scanning support to scanning support
Turntable controller, the record the smallest position of amplitude is as zero deep position；
There is the amplitude dullness of frequency point to increase again if there is the amplitude dullness of frequency point to reduce, does not change the direction of motion until all frequencies
The amplitude of point is all dull to be increased, and sends that gantry stops and heterodromous control instruction is to scanning support turntable controller,
Increase until the amplitude of all frequency points is all dull, the control instruction that transmission gantry stops to scanning support turntable controller,
The smallest position of amplitude is recorded as zero deep position.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of computer readable storage medium is provided.
A kind of computer readable storage medium, wherein being stored with a plurality of instruction, described instruction is suitable for by terminal device
Reason device loads and executes the multifrequency point dynamic that a kind of antenna house aiming-line error is tested and searches zero method.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of electronic equipment is provided.
A kind of electronic equipment comprising processor and computer readable storage medium, processor is for realizing each instruction；Meter
Calculation machine readable storage medium storing program for executing is suitable for being loaded by processor and being executed a kind of antenna for storing a plurality of instruction, described instruction
The multifrequency point dynamic of cover aiming-line error test searches zero method.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero device.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero device, is aimed at based on a kind of antenna house
The multifrequency point dynamic of line error testing searches zero method, comprising:
Geometry is configured as sending control instruction and gantry that control turntable moves to dead-center position to positive module
The control instruction that transmitting antenna is moved to calibration position makes dual-mode antenna geometry to just to scanning support turntable controller；
Electric axis alignment modules are configured as receiving the stroke of the test parameter of setting and scanning support movement setting, and transmission is swept
The control instruction of the stroke of frame movement setting is retouched to scanning support turntable controller, and obtains the poor channel direction figure of antenna；It generates
The control instruction that transmitting antenna moves to the corresponding zero deep position of center frequency point is sent to scanning support turntable controller, control is swept
It retouches frame and carries out the alignment of dual-mode antenna electric axis；
Without cover test module, it is configured as obtaining the zero deep position that no cover tests lower angled all frequency points；
Band cover test module is configured as obtaining the zero deep position for testing lower angled all frequency points with cover；
Aiming-line error computing module, be configured as being tested according to no cover zero depth position of lower angled all frequency point with
The zero deep position for testing lower angled all frequency points with cover calculates aiming-line error.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero system.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero system, including main control computer, the master control
The multifrequency point dynamic that computer executes a kind of antenna house aiming-line error test searches zero method, the main control computer point
It is not connect with vector network analyzer and scanning support turntable controller, vector network analyzer and scanning support turntable controller connect
It connects, the scanning support turntable controller is separately connected scanning support and turntable, and transmitting antenna, the turntable are installed on the scanning support
Upper installation receiving antenna, the vector network analyzer connect transmitting antenna and receiving antenna respectively.
Further, the main control computer passes through interchanger and vector network analyzer and scanning support turning table control respectively
Device connection；
The vector network analyzer passes sequentially through power amplifier and directional coupler and connect with the transmitting antenna, institute
Directional coupler is stated to connect with the vector network analyzer；
The receiving antenna and channel are connect with the vector network analyzer, and poor channel passes through connection low-noise amplifier
It is connect with the vector network analyzer.
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero method.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, this method comprises:
Main control computer moves to dead-center position equipped with the turntable of receiving antenna by the control of scanning support turntable controller, controls
Transmitting antenna is moved to calibration position by scanning support processed, makes dual-mode antenna geometry to just；
According to the test parameter of setting by scanning support turntable controller, gantry movement is set main control computer
Stroke obtains the poor channel direction figure of receiving antenna, and then transmitting antenna is moved to center frequency point corresponding zero by gantry
Realize electric axis alignment in deep position；
Main control computer obtains no cover test respectively and tests the zero deep position of lower angled all frequency points with cover, calculates
The antenna house aiming-line error of each each frequency point of angle.
The above one or more technical solution there are following the utility model has the advantages that
A kind of multifrequency point dynamic of antenna house aiming-line error test disclosed by the invention searches zero method and system, uses
The key technologies such as SERVO CONTROL, the control of integrated distribution formula, auto-adaptive control theory, generating date both ensure that test essence
Degree, and efficiency is improved, realize antenna house multi-angle multifrequency point quickly searches zero；It effectively realizes and is tested while multifrequency point,
Dynamic regulation searches zero stroke, and shortening searches the zero-time, improves the testing efficiency of antenna house aiming-line error.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the antenna house aiming-line error test macro schematic diagram of the one or more embodiments of the present invention；
Fig. 2 is the aiming-line error test flow chart of the one or more embodiments of the present invention；
Fig. 3 is that the monopulse systems seeker antenna of the one or more embodiments of the present invention normalizes poor directional diagram；
Fig. 4 is the poor channel direction figure of three frequency points of the one or more embodiments of the present invention；
Fig. 5 is that the dynamic of the one or more embodiments of the present invention searches zero control algolithm flow chart.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that flowcharts and block diagrams in the drawings show according to various embodiments of the present disclosure method and
The architecture, function and operation in the cards of system.It should be noted that each box in flowchart or block diagram can represent
A part of one module, program segment or code, a part of the module, program segment or code may include one or more
A executable instruction for realizing the logic function of defined in each embodiment.It should also be noted that some alternately
Realization in, function marked in the box can also occur according to the sequence that is marked in attached drawing is different from.For example, two connect
The box even indicated can actually be basically executed in parallel or they can also be executed in a reverse order sometimes,
This depends on related function.It should also be noted that each box and flow chart in flowchart and or block diagram
And/or the combination of the box in block diagram, the dedicated hardware based system that functions or operations as defined in executing can be used are come
It realizes, or the combination of specialized hardware and computer instruction can be used to realize.
In the absence of conflict, the feature in the embodiment and embodiment in the present invention can be combined with each other.
In order to overcome the deficiencies of the prior art, the present invention provides a kind of multifrequency point dynamics of antenna house aiming-line error test
Zero method and system are searched, the aiming-line error of different frequent points can be measured simultaneously, dynamic changes motion profile during searching zero, greatly
It reduces greatly and searches zero stroke, improve and search zero velocity.The present invention is from search 0 two aspect, the large increase survey of multifrequency point and dynamic
Efficiency is tried, increasingly heavy testing requirement is met.
Embodiment one
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero method.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, this method comprises:
Step S1: transmission control turntable moves to the control instruction of dead-center position and gantry moves transmitting antenna
To the control instruction for demarcating position to scanning support turntable controller, make dual-mode antenna geometry to just；
Step S2: the test parameter of setting and the stroke of scanning support movement setting are received, scanning support movement setting is sent
The control instruction of stroke obtains the poor channel direction figure of antenna to scanning support turntable controller；Generation moves transmitting antenna
Control instruction to the corresponding zero deep position of center frequency point is sent to scanning support turntable controller, and gantry carries out transmitting-receiving day
The alignment of line electric axis；
Step S3: obtaining no cover test respectively and the zero deep position of lower angled all frequency points is tested with cover, calculates each
The antenna house aiming-line error of each frequency point of angle.
In the step S2 of the present embodiment, the test parameter of the setting includes searching zero velocity, sampling interval, starting termination
Angle, angle interval, frequency, the scanning range and sweep spacing of electric axis alignment.
In the step S4 of the present embodiment, receives and the progress of zero method is searched without cover lower angled all frequency points of test using dynamic
Zero deep position.
It receives and dynamic is used to search the zero depth position that lower angled all frequency points are tested in the progress of zero method with cover.
Further, in this method, the specific steps that the dynamic searches zero method include:
According to the zero velocity of searching of setting, the control searching zero velocity by inceptive direction move of the gantry to set is sent
It instructs to scanning support turntable controller；
The poor channel data of arrow net acquisition is read in real time and records the position of corresponding scanning support simultaneously, according to three sampled points
Data judge each frequency point amplitude variation；
According to the monotonicity that each frequency point amplitude changes, the positional relationship of zero deep position and the direction of motion of each frequency point is determined,
Determine the direction of motion, that completes the angle searches zero；
The control instruction of control turntable one increment of rotation is sent to scanning support turntable controller, carries out next angle
Zero is searched, until all angle measurements are completed.
Further, in this method, the monotonicity changed according to each frequency point amplitude judges zero deep and fortune of each frequency point
The positional relationship in dynamic direction, determines the direction of motion, the specific steps for searching zero for completing the angle include:
Reduce if the amplitude of all frequency points is dull, do not change the direction of motion, constantly reads arrow network data, Zhi Daosuo
There is the amplitude of frequency point is dull to increase, sends the control instruction for stopping scanning support to scanning support turntable controller, record amplitude most
Small position is as zero deep position；
Increase if the amplitude of all frequency points is dull, sends that gantry stops and heterodromous control instruction is to sweeping
Frame turntable controller is retouched, is increased until the amplitude of all frequency points is dull, sends and stops the control instruction of scanning support to scanning support
Turntable controller, the record the smallest position of amplitude is as zero deep position；
There is the amplitude dullness of frequency point to increase again if there is the amplitude dullness of frequency point to reduce, does not change the direction of motion until all frequencies
The amplitude of point is all dull to be increased, and sends that gantry stops and heterodromous control instruction is to scanning support turntable controller,
Increase until the amplitude of all frequency points is all dull, the control instruction that transmission gantry stops to scanning support turntable controller,
The smallest position of amplitude is recorded as zero deep position.
Embodiment two
According to the one aspect of one or more other embodiments of the present disclosure, a kind of computer readable storage medium is provided.
A kind of computer readable storage medium, wherein being stored with a plurality of instruction, described instruction is suitable for by terminal device
Reason device loads and executes the multifrequency point dynamic that a kind of antenna house aiming-line error is tested and searches zero method.
Embodiment three
According to the one aspect of one or more other embodiments of the present disclosure, a kind of electronic equipment is provided.
A kind of electronic equipment comprising processor and computer readable storage medium, processor is for realizing each instruction；Meter
Calculation machine readable storage medium storing program for executing is suitable for being loaded by processor and being executed a kind of antenna for storing a plurality of instruction, described instruction
The multifrequency point dynamic of cover aiming-line error test searches zero method.
These computer executable instructions execute the equipment according to each reality in the disclosure
Apply method or process described in example.
In the present embodiment, computer program product may include computer readable storage medium, containing for holding
The computer-readable program instructions of row various aspects of the disclosure.Computer readable storage medium, which can be, can keep and store
By the tangible device for the instruction that instruction execution equipment uses.Computer readable storage medium for example can be-- but it is unlimited
In-- storage device electric, magnetic storage apparatus, light storage device, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned
Any appropriate combination.The more specific example (non exhaustive list) of computer readable storage medium includes: portable computing
Machine disk, hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read only memory (EPROM or
Flash memory), static random access memory (SRAM), Portable compressed disk read-only memory (CD-ROM), digital versatile disc
(DVD), memory stick, floppy disk, mechanical coding equipment, the punch card for being for example stored thereon with instruction or groove internal projection structure, with
And above-mentioned any appropriate combination.Computer readable storage medium used herein above is not interpreted instantaneous signal itself,
The electromagnetic wave of such as radio wave or other Free propagations, the electromagnetic wave propagated by waveguide or other transmission mediums (for example,
Pass through the light pulse of fiber optic cables) or pass through electric wire transmit electric signal.
Computer-readable program instructions described in the disclosure can download to each meter from computer readable storage medium
Calculation/processing equipment, or outer computer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network
Or External memory equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger,
Gateway computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment connect from network
Computer-readable program instructions are received, and forward the computer-readable program instructions, for being stored in each calculating/processing equipment
Computer readable storage medium in.
Computer program instructions for executing present disclosure operation can be assembly instruction, instruction set architecture (ISA)
Instruction, machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programmings
The source code or object code that any combination of language is write, the programming language include the programming language-of object-oriented such as
C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer-readable program refers to
Order can be executed fully on the user computer, partly be executed on the user computer, as an independent software package
Execute, part on the user computer part on the remote computer execute or completely on a remote computer or server
It executes.In situations involving remote computers, remote computer can include local area network by the network-of any kind
(LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as utilize internet
Service provider is connected by internet).In some embodiments, by being believed using the state of computer-readable program instructions
Breath comes personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or programmable logic
Array (PLA), the electronic circuit can execute computer-readable program instructions, to realize the various aspects of present disclosure.
Example IV
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero device.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero device, is aimed at based on a kind of antenna house
The multifrequency point dynamic of line error testing searches zero method, comprising:
Geometry is configured as sending control instruction and gantry that control turntable moves to dead-center position to positive module
The control instruction that transmitting antenna is moved to calibration position makes dual-mode antenna geometry to just to scanning support turntable controller；
Electric axis alignment modules are configured as receiving the stroke of the test parameter of setting and scanning support movement setting, and transmission is swept
The control instruction of the stroke of frame movement setting is retouched to scanning support turntable controller, and obtains the poor channel direction figure of antenna；It generates
The control instruction that transmitting antenna moves to the corresponding zero deep position of center frequency point is sent to scanning support turntable controller, control is swept
It retouches frame and carries out the alignment of dual-mode antenna electric axis；
Without cover test module, it is configured as obtaining the zero deep position that no cover tests lower angled all frequency points；
Band cover test module is configured as obtaining the zero deep position for testing lower angled all frequency points with cover；
Aiming-line error computing module, be configured as being tested according to no cover zero depth position of lower angled all frequency point with
The zero deep position for testing lower angled all frequency points with cover calculates aiming-line error.
Each step involved in the device of above embodiments two, three and four is corresponding with embodiment of the method one, specific implementation
Mode can be found in the related description part of embodiment one.Term " computer readable storage medium " be construed as include one or
The single medium or multiple media of multiple instruction collection；It should also be understood as including any medium, any medium can be deposited
Storage, coding carry instruction set for being executed by processor and processor are made either to execute in the present invention method.
It will be understood by those skilled in the art that each module or each step of aforementioned present invention can be filled with general computer
It sets to realize, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.The present invention is not limited to any specific hardware and
The combination of software.
Embodiment five
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero system.
As shown in Figure 1, a kind of multifrequency point dynamic of antenna house aiming-line error test searches zero system, including master control calculates
Machine, the multifrequency point dynamic that the main control computer executes a kind of antenna house aiming-line error test searches zero method, described
Main control computer is connect with vector network analyzer and scanning support turntable controller respectively, and vector network analyzer and scanning support turn
The connection of platform controller, the scanning support turntable controller are separately connected scanning support and turntable, installation transmitting day on the scanning support
Line installs receiving antenna on the turntable, and the vector network analyzer connects transmitting antenna and receiving antenna respectively.
In the present embodiment, transmitting antenna is mounted on scanning support, and receiving antenna is mounted on turntable；Transmitting antenna connects
Receive the composition the loop of rf such as antenna and vector network analyzer (referred to as arrow net), low-noise amplifier, power amplifier.
The loop of rf:
Swear transmitting and receiving unit of the net as system signal, transmitting signal is exported to power amplifier, power amplifier
Output to directional coupler, signal is divided into two-way by directional coupler, and the reference signal of coupled end inputs to arrow net, output end
Connect transmitting antenna；The poor channel of receiving antenna is directly accessed arrow net by low-noise amplifier access arrow net and channel.
Further, the main control computer passes through interchanger and vector network analyzer and scanning support turning table control respectively
Device connection；
The vector network analyzer passes sequentially through power amplifier and directional coupler and connect with the transmitting antenna, institute
Directional coupler is stated to connect with the vector network analyzer；
The receiving antenna and channel are connect with the vector network analyzer, and poor channel passes through connection low-noise amplifier
It is connect with the vector network analyzer.
Embodiment six
According to the one aspect of one or more other embodiments of the present disclosure, a kind of antenna house aiming-line error test is provided
Multifrequency point dynamic searches zero method.
A kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, this method comprises:
Main control computer moves to dead-center position equipped with the turntable of receiving antenna by the control of scanning support turntable controller, controls
Transmitting antenna is moved to calibration position by scanning support processed, makes dual-mode antenna geometry to just；
According to the test parameter of setting by scanning support turntable controller, gantry movement is set main control computer
Stroke obtains the poor channel direction figure of receiving antenna, and then transmitting antenna is moved to center frequency point corresponding zero by gantry
Realize electric axis alignment in deep position；
Main control computer obtains no cover test respectively and tests the zero deep position of lower angled all frequency points with cover, calculates
The antenna house aiming-line error of each each frequency point of angle.
The test that zero system carries out aiming-line error is searched using a kind of multifrequency point dynamic of antenna house aiming-line error test
Process is as shown in Fig. 2, after turntable zero, and transmitting antenna is moved to the position of calibration by gantry, so that dual-mode antenna
Geometry is to just.The parameters such as zero velocity, sampling interval, starting termination point, angle interval, frequency, gantry fortune are searched in setting
The stroke of dynamic setting obtains the poor channel direction figure of antenna, and transmitting antenna is then moved to the corresponding zero deep position of center frequency point
Realize electric axis alignment.Carry out testing without cover first, the angled lower all frequency points of record institute without the depth of cover zero position, carried out after covering
Band cover test, zero deep position of the angled lower all frequency points of same record institute and is all made of the method for dynamically searching zero with cover at no cover.
The data measured are saved and handled, aiming-line error can be obtained.
Dynamic searches zero principle:
After dual-mode antenna distance reaches certain value, scanning support drives antenna to move in a straight line and can be equivalent to receive day
Line is the circular motion of the very small angles in the center of circle, and the signal of receiving antenna difference channel reception is the poor directional diagram of antenna, this
Process be defined as aiming-line error test search zero.Measure zero deep position under the conditions of no cover respectively by the method for dynamically searching zero
X0And have zero depth position X under the conditions of cover1, it is known that the distance D between dual-mode antenna can calculate sight line according to formula (1) and miss
Difference, unit angle point.
In formula:
- aiming-line error, '；
X0- without zero deep position under the conditions of cover, mm；
X1- there are zero under the conditions of cover deep position, mm；
Distance between D-dual-mode antenna, mm；
Know have in small angle range apparent by monopulse systems seeker antenna normalization difference directional diagram such as Fig. 3
Monotonicity, poor channel direction figure of the multifrequency point in small angle range are as shown in Figure 4.For the sight line of multifrequency point under multi-angle
Error testing first carries out the geometry of dual-mode antenna to being just aligned with electric axis, makes the position of transmitting antenna zero before dynamically searching zero
Near deep, then start dynamic and search zero.
Dynamic searches the process of zero control algolithm as shown in figure 5, gantry is moved by inceptive direction first, scanning support control
Device processed periodically sends out pulse-triggered arrow net, and industrial personal computer reads arrow in real time and nets poor channel data and while recording corresponding scanning support
Position, according to the data of three sampled points judge each frequency point amplitude change.Reduce if the amplitude of all frequency points is dull,
Illustrate the deep position of all frequency points zero all in the front of the direction of motion, without changing the direction of motion, constantly network data is sweared in acquisition,
Increase until the amplitude of all frequency points is dull, stops scanning support, all frequency points search zero completion at this time, record the smallest position of amplitude
It sets as zero deep position.If the amplitude of all frequency points is without dull reduction but dullness increases, and shows the zero of each frequency point
Deep position should stop scanning support and counter motion at the rear of the direction of motion, until the equal monotone increasing of the amplitude of all frequency points
Greatly, zero completion is searched.There is the amplitude dullness of frequency point to increase again if the amplitude dullness of existing frequency point reduces, before showing current location
Rear direction has zero deeply, should search for after the completion reverse search again deeply for the zero of front.It is complete search zero at an angle after, turntable rotation
One increment, until all angle measurements are completed.
Dynamic in disclosure one or more embodiment searches zero algorithm, wherein having used SERVO CONTROL, integrated distribution formula
The key technologies such as control, auto-adaptive control theory, generating date not only ensure that measuring accuracy, but also improve efficiency, realize
Antenna house multi-angle multifrequency point quickly searches zero.
1, it effectively realizes and is tested while multifrequency point.
2, effectively realize that dynamic regulation searches zero stroke, the zero-time is searched in shortening.
3, the testing efficiency of antenna house aiming-line error is effectively increased.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, which is characterized in that this method comprises:
Transmission control turntable moves to the control instruction of dead-center position and transmitting antenna is moved to and demarcates position by gantry
Control instruction to scanning support turntable controller, make dual-mode antenna geometry to just；
The test parameter of setting and the stroke of scanning support movement setting are received, the control for sending the stroke of scanning support movement setting refers to
It enables to scanning support turntable controller, and obtains the poor channel direction figure of antenna；It generates and transmitting antenna is moved into center frequency point pair
The control instruction of the deep position of zero answered is sent to scanning support turntable controller, and gantry carries out the alignment of dual-mode antenna electric axis；
No cover test is obtained respectively and tests the zero deep position of lower angled all frequency points with cover, calculates each frequency point of each angle
Antenna house aiming-line error.
2. a kind of multifrequency point dynamic of antenna house aiming-line error test as described in claim 1 searches zero method, feature exists
In in this method, the test parameter of the setting includes searching zero velocity, sampling interval, starting termination point, angle interval, frequency
Rate, the scanning range and sweep spacing of electric axis alignment；It carries out testing lower angled all frequency points without cover using zero method is dynamically searched
Zero deep position；Using dynamically search zero method carry out band cover test in institute angled lower all frequency points band cover zero depth position.
3. a kind of multifrequency point dynamic of antenna house aiming-line error test as described in claim 1 searches zero method, feature exists
In in this method, the specific steps that the dynamic searches zero method include:
The specific steps that the dynamic searches zero method include:
According to the zero velocity of searching of setting, the control instruction searching zero velocity by inceptive direction move of the gantry to set is sent
To scanning support turntable controller；
The position that arrow nets poor channel data and records corresponding scanning support simultaneously is read in real time, is judged according to the data of three sampled points
The amplitude of each frequency point changes；
According to the monotonicity that each frequency point amplitude changes, determines the positional relationship of zero deep position and the direction of motion of each frequency point, determine
The direction of motion, that completes the angle searches zero；
The control instruction of control turntable one increment of rotation is sent to scanning support turntable controller, carries out searching for next angle
Zero, until all angle measurements are completed.
4. a kind of multifrequency point dynamic of antenna house aiming-line error test as claimed in claim 3 searches zero method, feature exists
In in this method, the monotonicity changed according to each frequency point amplitude judges the position of zero deep position and the direction of motion of each frequency point
Relationship is set, determines the direction of motion, the specific steps for searching zero for completing the angle include:
Reduce if the amplitude of all frequency points is dull, do not change the direction of motion, constantly acquisition arrow network data, until all frequencies
The amplitude of point is dull to be increased, and sends the control instruction for stopping scanning support to scanning support turntable controller, it is the smallest to record amplitude
Position is as zero deep position；
Increase if the amplitude of all frequency points is dull, sends that gantry stops and heterodromous control instruction is to scanning support
Turntable controller increases until the amplitude of all frequency points is dull, sends and stops the control instruction of scanning support to scanning support turntable
Controller, the record the smallest position of amplitude is as zero deep position；
There is the amplitude dullness of frequency point to increase again if there is the amplitude dullness of frequency point to reduce, does not change the direction of motion up to all frequency points
Amplitude is all dull to be increased, and sends that gantry stops and heterodromous control instruction is to scanning support turntable controller, until
The amplitude of all frequency points is all dull to be increased, and is sent the control instruction of gantry stopping to scanning support turntable controller, is recorded
The smallest position of amplitude is as zero deep position.
5. a kind of computer readable storage medium, wherein being stored with a plurality of instruction, which is characterized in that described instruction is suitable for by terminal
The processor of equipment loads and executes a kind of multifrequency of antenna house aiming-line error test according to any one of claims 1-4
Point dynamic searches zero method.
6. a kind of electronic equipment comprising processor and computer readable storage medium, processor is for realizing each instruction；It calculates
Machine readable storage medium storing program for executing is for storing a plurality of instruction, which is characterized in that described instruction is suitable for being loaded by processor and being executed such as power
Benefit requires a kind of multifrequency point dynamic of the described in any item antenna house aiming-line error tests of 1-4 to search zero method.
7. a kind of multifrequency point dynamic of antenna house aiming-line error test searches zero device, which is characterized in that based on such as claim
A kind of multifrequency point dynamic of the described in any item antenna house aiming-line error tests of 1-4 searches zero method, comprising:
Geometry is configured as sending control turntable and moves to the control instruction of dead-center position and gantry and will send out to positive module
Antenna movement is penetrated to the control instruction of calibration position to scanning support turntable controller, makes dual-mode antenna geometry to just；
Electric axis alignment modules are configured as receiving the stroke of the test parameter of setting and scanning support movement setting, send scanning support
The control instruction of the stroke of setting is moved to scanning support turntable controller, and obtains the poor channel direction figure of antenna；Generating will hair
The control instruction for penetrating antenna movement to the corresponding zero deep position of center frequency point is sent to scanning support turntable controller, gantry
Carry out the alignment of dual-mode antenna electric axis；
Without cover test module, it is configured as obtaining the zero deep position that no cover tests lower angled all frequency points；
Band cover test module is configured as obtaining the zero deep position for testing lower angled all frequency points with cover；
Aiming-line error computing module is configured as testing the zero deep position of lower angled all frequency points according to no cover and with cover
The zero of lower angled all frequency points of test is deep, and position calculates aiming-line error.
8. a kind of multifrequency point dynamic of antenna house aiming-line error test searches zero system, which is characterized in that including main control computer,
The main control computer executes a kind of multifrequency crawl of antenna house aiming-line error test according to any one of claims 1-4
State searches zero method, and the main control computer is connect with vector network analyzer and scanning support turntable controller respectively, vector network
Analyzer is connected with scanning support turntable controller, and the scanning support turntable controller is separately connected scanning support and turntable, described to sweep
Retouch and transmitting antenna be installed on frame, receiving antenna is installed on the turntable, the vector network analyzer connect respectively transmitting antenna and
Receiving antenna.
9. a kind of multifrequency point dynamic of antenna house aiming-line error test as claimed in claim 8 searches zero system, feature exists
In the main control computer passes through interchanger respectively and connect with vector network analyzer and scanning support turntable controller；
The vector network analyzer passes sequentially through power amplifier and directional coupler and connect with the transmitting antenna, described fixed
It is connect to coupler with the vector network analyzer；
The receiving antenna and channel are connect with the vector network analyzer, and poor channel passes through connection low-noise amplifier and institute
State vector network analyzer connection.
10. a kind of multifrequency point dynamic of antenna house aiming-line error test searches zero method, which is characterized in that this method comprises:
Main control computer moves to dead-center position equipped with the turntable of receiving antenna by the control of scanning support turntable controller, and control is swept
It retouches frame and transmitting antenna is moved into calibration position, make dual-mode antenna geometry to just；
Main control computer passes through scanning support turntable controller, the stroke of gantry movement setting according to the test parameter of setting
The poor channel direction figure of receiving antenna is obtained, then transmitting antenna is moved to the corresponding zero deep position of center frequency point by gantry
It sets and realizes electric axis alignment；
Main control computer obtains no cover test respectively and tests the zero deep position of lower angled all frequency points with cover, calculates each angle
Spend the antenna house aiming-line error of each frequency point.
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| CN112202509A (en) * | 2020-09-17 | 2021-01-08 | 湖北航天技术研究院总体设计所 | Phased array seeker front end frequency conversion calibration compensation system |
| CN112557798A (en) * | 2020-12-09 | 2021-03-26 | 航天特种材料及工艺技术研究所 | Phased array antenna-antenna housing electrical performance testing device and testing method |
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| CN113866517A (en) * | 2021-09-30 | 2021-12-31 | 北京航空航天大学 | Open field normalized site attenuation automatic test method and device |
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