CN106680789A - Angle measurement function verification method of single pulse angle measurement device and verification system - Google Patents
Angle measurement function verification method of single pulse angle measurement device and verification system Download PDFInfo
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- CN106680789A CN106680789A CN201611177939.0A CN201611177939A CN106680789A CN 106680789 A CN106680789 A CN 106680789A CN 201611177939 A CN201611177939 A CN 201611177939A CN 106680789 A CN106680789 A CN 106680789A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
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Abstract
The invention discloses an angle measurement function verification method of a single pulse angle measurement device and a verification system. The method comprises steps of giving out a simulation response signal; acquiring a sum and difference weighting response signal corresponding to the simulation response signal; acquiring an actual angle corresponding to the sum and difference weighting response signal; acquiring a measurement angle based on the sum and difference weighting response signal; and based on the actual angle and the measurement angle, verifying an angle measurement function of a single pulse angle measurement device in the verification system. According to the invention, technical problems of failure of realization of single pulse angle measurement technology in a laboratory environment and high test cost in the prior art are solved; devices such as antenna rotary tables, responders and the like are not required; wireless united testing can be performed in the laboratory environment to verify the efficiency and the accuracy of angle measurement of the single pulse angle measurement device according to the working environment of the scientific researchers; and investment of scientific research cost, manpower and material resources can be reduced, thereby reducing test cost and facilitating development of single pulse angle measurement technology.
Description
Technical field
The present invention relates to aviation management field, the angle measurement function verification method of more particularly to a kind of Monopulse estimation equipment and checking
System.
Background technology
Play an important role in the traffic control in the air of secondary radar equipment, ratio can be provided for control staff
The data of radar higher precision, moreover it is possible to provide identification information (code of aircraft) for control staff, when aircraft breaks down,
Communication system fails or can provide when running into abduction the information of warning against danger.Therefore improve the angle measurement accuracy of secondary radar with
Range accuracy is particularly important.
During secondary radar angle measurement, the impact of many factors will all produce angle error, and by the type of error system can be divided into
Error and random error, systematic error can be eliminated or reduced by correction, and in general the error of randomness is relatively difficult to
Eliminate, these angle errors directly affect the precision of angle measurement.In various angle-measuring methods, with realizing that simple, robustness is good
What Monopulse estimation method was obtained in practice is widely applied.
Pulse process refers to that using the beam feature of antenna the same response that the two or more channel receptions of comparison are arrived is believed
Number amplitude or phase place, the differential seat angle of response target and antenna axis is drawn Jing after normalized, so as to obtain target side
Position.In theory, the distance and orientation of target can be obtained by single answer signal using monopulse technology.
Realize that the requirement of Monopulse estimation technology is very high in general, need the turntable that erects a television antenna, set up answering machine
Deng so greatly increased the cost of research and development of products.
The key of Monopulse estimation is at following two aspects：
(1) antenna receives answer signal
(2) according to the OBA tables of antenna measurement data genaration in actual engineering design.
By decoding program after antenna receives answer signal, range value, the range value of difference passage with passage is obtained,
So combine the orientation that OBA tables can be obtained by target.
Therefore, the technical problem of prior art presence is：Monopulse estimation technology can not realize in laboratory environments, such as
Fruit aviation management system needs to carry out joint-trial, the list in needing to erect a television antenna the equipment such as turntable, answering machine to verify such as secondary radar
The efficiency and accuracy of pulse angle-measuring equipment angle measurement, not only scientific research expenditure will greatly increase but also can consume more manpower things
Power, increased testing cost.
The content of the invention
The embodiment of the present application provides a kind of angle measurement function verification method and checking system of Monopulse estimation equipment, is used for
The technical problem that Monopulse estimation technology can not be realized in laboratory environments and testing cost is high in prior art is solved, is not required to
Erect a television antenna the equipment such as turntable, answering machine, can wirelessly be joined in laboratory environments according to the working environment of scientific research person
Try to verify the efficiency and accuracy of Monopulse estimation equipment angle measurement, not only can so reduce research funding and manpower and materials
Input, so as to reduce testing cost, and be beneficial to the development of Monopulse estimation technology.
The embodiment of the present application first aspect provides a kind of angle measurement function verification method of Monopulse estimation equipment, is applied to
In checking system, methods described includes：
Send analog answer signal；
Obtain it is corresponding with the analog answer signal and, difference weight answer signal；
Obtain it is described and, the corresponding actual angle of difference weighting answer signal；
Based on it is described and, difference weighting answer signal obtained one measurement angle；
Based on the actual angle and the measurement angle, the survey of the Monopulse estimation equipment in the checking system is verified
Angle function.
Preferably, methods described also includes：
Obtain reception diagram；
Based on the reception diagram obtain the analog answer signal and, difference weighted value.
Preferably, it is described based on the reception diagram obtain the analog answer signal and, difference weighted value, bag
Include：
Discrete sampling is carried out to the reception diagram, to obtain the discrete data of the reception diagram,
Wherein, the discrete data as the analog answer signal and, difference weighted value.
Preferably, it is described obtain it is corresponding with the analog answer signal and, difference weight answer signal, including：
Work(point is carried out to the analog answer signal, the answer signal of the phases such as two-way constant amplitude is obtained；
Using it is described and, difference weighted value the answer signal of the phases such as the two-way constant amplitude is weighted respectively, to obtain
State and, difference weighting answer signal.
Preferably, it is described using it is described and, difference weighted value the answer signal of the phases such as the two-way constant amplitude is carried out respectively plus
Power, with obtain it is described and, difference weighting answer signal, including：
Using it is described and, difference weighted value be multiplied by the answer signal of the phases such as the two-way constant amplitude respectively, with to described two-way etc.
The answer signal of the phases such as width is weighted, obtain it is described and, difference weighting answer signal.
Preferably, it is described based on it is described and, difference weighting answer signal obtained one measurement angle, including：Based on described
With, difference weighting answer signal, angle measurement of tabling look-up is carried out using the reception diagram, to obtain measurement angle.
Preferably, it is described based on the actual angle and the measurement angle, verify the pulse in the checking system
The angle measurement function of angle-measuring equipment, including：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function in the checking system is normal.
The embodiment of the present application second aspect provides a kind of angle measurement functional verification system of Monopulse estimation equipment, the system
System includes：
Analog answer machine, for sending analog answer signal；
Power splitter, is connected with the analog answer machine, for based on described analog answer signal output two-way constant amplitude etc.
The answer signal of phase；
Width phase control unit, is connected with the power splitter, for carrying out to the answer signal of the phases such as the two-way constant amplitude
Weighting, with obtain and, difference weighting answer signal；
Monopulse estimation equipment, is connected with the width phase control module, for based on it is described and, difference weighting answer signal
Obtain one and measure angle；
First obtains unit, obtain it is described and, the corresponding actual angle of difference weighting answer signal；
Authentication unit, based on the actual angle and the measurement angle, verifies the angle measurement of the Monopulse estimation equipment
Function.
Preferably, the system also includes：
Second obtaining unit, for obtaining reception diagram；
Weighting value cell, for based on the reception diagram obtain the analog answer signal and, difference weighting
Value.
Preferably, the weighting value cell is specially discrete acquisitions unit, for carrying out to the reception diagram
Discrete sampling, to obtain the discrete data of the reception diagram, the discrete data is used as the analog answer signal
It is described and, difference weighted value.
Preferably, the width phase control unit includes：With, difference passage, it is described and, difference weighted value be stored respectively in it is described
With, difference passage in；
It is described and, difference passage be used for using it is described and, difference weighted value respectively to the answer signal of the phases such as the two-way constant amplitude
Be weighted, with obtain it is described and, difference weighting answer signal.
Preferably, it is described and, difference passage be used for it is described and, difference weighted value be multiplied by the response of the phases such as the two-way constant amplitude respectively
Signal, is weighted with the answer signal to phases such as the two-way constant amplitudes, obtain it is described and, difference weighting answer signal.
Preferably, the Monopulse estimation equipment be used for based on it is described and, difference weighting answer signal, using the reception day
Line directional diagram carries out tabling look-up angle measurement to obtain a measurement angle.
Preferably, the authentication unit, is used for：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function is normal.
Said one or multiple technical schemes in the embodiment of the present application, at least imitates with following one or more technology
Really：
Due to the technical scheme in the embodiment of the present application, following technical scheme is employed：Simulation is sent using checking system
Answer signal；Obtain it is corresponding with the analog answer signal and, difference weight answer signal；Obtain it is described and, difference weighting response
The corresponding actual angle of signal；Based on it is described and, difference weighting answer signal obtained one measurement angle；Based on the reality
Angle and the measurement angle, verify the angle measurement function of the Monopulse estimation equipment in the checking system.
So, when needing to verify the angle measurement function of a Monopulse estimation equipment, for example, the inquiry in secondary radar is verified
During the angle measurement function of machine, checking system just can first send analog answer signal, while obtaining the analog answer signal correspondence
And, difference weighting answer signal, the checking system according to it is described and, difference weighting answer signal obtain it is described and, difference weighting answers
The corresponding actual angle of signal is answered, the inquisitor base in Monopulse estimation equipment such as secondary radar in the checking system
In it is described and, difference weighting answer signal obtain one measure angle, according to the angle between the actual angle and the measurement angle
Degree error, it is possible to verify whether the angle measurement function of inquisitor in the secondary radar is normal.Therefore, the simple venation in the application
That rushes angle measurement technique is implemented without the equipment such as turntable, answering machine that erect a television antenna, and can survey in laboratory environment checking pulse
The efficiency and accuracy of angle equipment angle measurement, so as to reduce testing cost, and is beneficial to the development of Monopulse estimation technology.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, embodiment will be described below
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment.
Fig. 1 is a kind of flow process of the angle measurement function verification method of Monopulse estimation equipment that the embodiment of the present application one is provided
Figure；
The reception diagram that Fig. 2 is obtained by the embodiment of the present application；
Fig. 3 is a kind of schematic diagram of the angle measurement function check system of Monopulse estimation equipment that the embodiment of the present application two is provided；
A kind of schematic diagram of weighting value cell that Fig. 4 is provided for the embodiment of the present application；
A kind of schematic diagram of discrete acquisitions unit that Fig. 5 is provided for the embodiment of the present application；
A kind of schematic diagram of width phase control unit that Fig. 6 is provided for the embodiment of the present application；
Fig. 7 is a kind of schematic diagram of the angle measurement function check system of Monopulse estimation equipment that the embodiment of the present application three is provided.
The embodiment of the present application provides a kind of angle measurement function verification method and checking system of Monopulse estimation equipment, is used for
The technical problem that Monopulse estimation technology can not be realized in laboratory environments and testing cost is high in prior art is solved, is not required to
Erect a television antenna the equipment such as turntable, answering machine, can wirelessly be joined in laboratory environments according to the working environment of scientific research person
Try to verify the efficiency and accuracy of Monopulse estimation equipment angle measurement, not only can so reduce research funding and manpower and materials
Input, so as to reduce testing cost, and be beneficial to the development of Monopulse estimation technology.
Technical scheme in the embodiment of the present application is to solve above-mentioned technical problem, and general thought is as follows：
For example need verify secondary radar in employing Monopulse estimation inquisitor angle measurement function when, checking system is just
Analog answer signal can first be sent, at the same obtain the analog answer signal it is corresponding and, difference weighting answer signal, due to every
Group and, the difference weighting corresponding actual angle of answer signal be to determine, therefore the checking system according to it is described and, difference weighting should
Answer signal be obtained in that it is described and, the corresponding actual angle of difference weighting answer signal, the pulse in the checking system surveys
Inquisitor in angle equipment such as secondary radar based on it is described and, difference weighting answer signal obtain one measure angle, according to described
Angular error between actual angle and the measurement angle, it is possible to verify the angle measurement work(of the inquisitor in the secondary radar
Can whether normal.
In order to be better understood from above-mentioned technical proposal, below by accompanying drawing and specific embodiment to technical solution of the present invention
It is described in detail, it should be understood that the specific features in the embodiment of the present application and embodiment are to the detailed of technical solution of the present invention
Thin explanation, rather than to the restriction of technical solution of the present invention, in the case where not conflicting, the embodiment of the present application and embodiment
In technical characteristic can be combined with each other.
Embodiment one
Fig. 1 is refer to, is a kind of angle measurement function verification method of Monopulse estimation equipment that the embodiment of the present application one is provided,
In being applied to checking system, methods described includes：
S101, sends analog answer signal；
S102, obtain it is corresponding with the analog answer signal and, difference weight answer signal；
S103, obtain it is described and, the corresponding actual angle of difference weighting answer signal；
S104, based on it is described and, difference weighting answer signal obtain one measurement angle；
S105, based on the actual angle and the measurement angle, verifies that the Monopulse estimation in the checking system sets
Standby angle measurement function.
Specifically, such as Monopulse estimation equipment is the inquisitor of the employing Monopulse estimation in secondary radar, works as needs
During the angle measurement function of the inquisitor of the employing Monopulse estimation in checking secondary radar, checking system just can first send simulation should
Answer signal, at the same obtain the analog answer signal it is corresponding and, difference weighting answer signal, due to per group and, difference weighting response
The corresponding actual angle of signal is to determine, thus the checking system according to it is described and, difference weighting answer signal is obtained in that
It is described and, the difference weighting corresponding actual angle of answer signal, the Monopulse estimation equipment in the checking system is for example secondary
Inquisitor in radar based on it is described and, difference weighting answer signal obtain one and measure angle, according to the actual angle and described
Angular error between measurement angle, it is possible to verify whether the angle measurement function of inquisitor in the secondary radar is normal.
In embodiments herein, Fig. 2 is refer to, methods described also includes：
Obtain reception diagram；
Based on the reception diagram obtain the analog answer signal and, difference weighted value.
Specifically, for example described reception diagram is the source of the data of checking system, can be tested by darkroom
Or the mode such as artificial is produced, such as the reception diagram produced in Fig. 2, checking system is based on the reception antenna direction
Figure obtain the analog answer signal and, difference weighted value.
In the embodiment of the present application, it is described based on the reception diagram obtain the analog answer signal and,
Difference weighted value, including：
Discrete sampling is carried out to the reception diagram, to obtain the discrete data of the reception diagram,
Wherein, the discrete data as the analog answer signal and, difference weighted value.
Specifically, previous example is continued to use, for example, is obtained after reception diagram, by the step footpath with-poor=0.4db to institute
Stating reception diagram carries out discretization, so as to obtain the discrete data of the reception diagram, wherein, it is described discrete
Data as the analog answer signal and, difference weighted value.
In the embodiment of the present application, it is described obtain it is corresponding with the analog answer signal and, difference weighting answer signal, wrap
Include：
Work(point is carried out to the analog answer signal, the answer signal of the phases such as two-way constant amplitude is obtained；
Using it is described and, difference weighted value the answer signal of the phases such as the two-way constant amplitude is weighted respectively, to obtain
State and, difference weighting answer signal.
Specifically, previous example is continued to use, for example, work(point is carried out to the analog answer signal, obtain the phases such as two-way constant amplitude
Answer signal F1 and F2, select one group and, difference weighted value X1, X2 F1 and F2 are weighted respectively, so as to obtain it is described and,
Difference weighting answer signal F11, F12.
In the embodiment of the present application, it is described using it is described and, difference weighted value respectively to the response of the phases such as the two-way constant amplitude
Signal is weighted, with obtain it is described and, difference weighting answer signal, including：
Using it is described and, difference weighted value be multiplied by the answer signal of the phases such as the two-way constant amplitude respectively, with to described two-way etc.
The answer signal of the phases such as width is weighted, obtain it is described and, difference weighting answer signal.
Specifically, previous example is continued to use, such as described and weighted value X1, difference weighted value X2 are multiplied by respectively F1, F2 to obtain
It is described and, difference weighting answer signal F11, F12, specially：
F11=X1*F1；
F12=X2*F2.
In the embodiment of the present application, it is described based on it is described and, difference weighting answer signal obtained one measurement angle, bag
Include：Based on it is described and, difference weighting answer signal, angle measurement of tabling look-up is carried out using the reception diagram, to obtain measurement angle
Degree.
Specifically, previous example is continued to use, such as the inquisitor of the Monopulse estimation in secondary radar is according to the institute for receiving
State and, difference weighting answer signal F11, F12 tabled look-up, and obtains a measurement angle, and the measurement angle is inquisitor by docking
F11, the F12 for receiving tables look-up what is obtained, for example, carry out tabling look-up angle measurement using the aforementioned reception diagram for obtaining and surveyed
Measuring angle.
In the embodiment of the present application, it is described based on the actual angle and the measurement angle, verify the checking system
In Monopulse estimation equipment angle measurement function, including：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function in the checking system is normal.
Specifically, previous example is continued to use, for example, the inquisitor of the Monopulse estimation in secondary radar is tabled look-up and obtained a survey
Measuring angle, and and, difference weighting answer signal F11, F12 corresponded in itself an actual angle, and by processing the actual corners are obtained
Angular error between degree and the measurement angle, it is possible to know whether the angle measurement function of the inquisitor is normal.In addition, example
Time as needed for the measurement angle that can also be obtained according to the inquisitor judges the efficiency of inquisitor angle measurement function.
Embodiment two
Based on the identical inventive concept of the embodiment of the present application one, refer to Fig. 3, one kind that the embodiment of the present application two is provided
The angle measurement functional verification system of Monopulse estimation equipment, the system includes：
Analog answer machine 101, for sending analog answer signal；
Power splitter 1021, is connected with the analog answer machine 101, for based on the analog answer signal output two-way
The answer signal of the phases such as constant amplitude；
Width phase control unit 1022, is connected with the power splitter 1021, for the response to phases such as the two-way constant amplitudes
Signal is weighted, with obtain and, difference weighting answer signal；
Monopulse estimation equipment 103, is connected with the width phase control module 1022, for based on it is described and, difference weighting
Answer signal obtains one and measures angle；
First obtains unit 104, obtain it is described and, the corresponding actual angle of difference weighting answer signal；
Authentication unit 105, based on the actual angle and the measurement angle, verifies the Monopulse estimation equipment 103
Angle measurement function.
Specifically, for example described analog answer machine 101 sends analog answer signal, and is divided into two-way through power splitter 1021
The answer signal F1 and F2 of the phases such as constant amplitude, the width phase control unit 1022 is weighted to F1 and F2, obtain and, difference weighting should
Answer signal F11 and F12；And first obtains unit 104 can according to F11 and F12 obtain it is described and, differ from that to weight answer signal corresponding
An actual angle.Such as Monopulse estimation equipment 103 is the inquisitor of the employing Monopulse estimation in secondary radar, inquisitor
F11 and F12 is received, the measurement angle that inquisitor itself is measured is drawn according to the F11 and F12 that receive.Authentication unit 105
According to the actual angle and the measurement angle, it is possible to verify the angle measurement function of the Monopulse estimation equipment 103.
In the embodiment of the present application, Fig. 4 is referred to, the system can also include：Second obtaining unit 106, for obtaining
Obtain reception diagram 20；Weighting value cell 107, for obtaining the analog answer letter based on the reception diagram
Number and, difference weighted value.
Specifically, for example described reception diagram 20 is the source of the data of checking system, can be surveyed by darkroom
Examination or the mode such as artificial are produced, such as the reception diagram 20 produced in Fig. 2 is obtained by the second obtaining unit, weighting
Value cell 107 based on the reception diagram obtain the analog answer signal and, difference weighted value.
In the embodiment of the present application, Fig. 5 is referred to, the weighting value cell 107 is specially discrete acquisitions unit 1071, uses
In discrete sampling is carried out to the reception diagram 20, to obtain the discrete data of the reception diagram 20
1072, the discrete data 1072 as described in the analog answer signal and, difference weighted value.
Specifically, previous example is continued to use, such as after obtaining reception diagram 20, by the step footpath pair with-poor=0.4db
The reception diagram 20 carries out discretization, so as to obtain the discrete data 1072 of the reception diagram 20, its
In, the discrete data as the analog answer signal and, difference weighted value.
In the embodiment of the present application, Fig. 6 is referred to, the width phase control unit 1022 includes：It is logical with passage 1023 and difference
Road 1024, it is described and, difference weighted value be stored respectively in described and passage 1023 and difference passage 1024 in；
Described and passage 1023 and difference passage 1024 be used for using it is described and, difference weighted value is respectively to described two-way constant amplitude etc.
The answer signal of phase is weighted, with obtain it is described and, difference weighting answer signal.
Specifically, previous example is continued to use, for example, work(point is carried out to the analog answer signal, obtain the phases such as two-way constant amplitude
Answer signal F1 and F2, select one group and, difference weighted value X1, X2, X1 is stored in in passage, and X2 is stored in poor passage, and
Passage is weighted to F1, and difference passage is weighted to F2, to obtain F11 and F12.
In the embodiment of the present application, refer to Fig. 6, described and passage 1023 and difference passage 1024 be used for it is described and, difference plus
Weights are multiplied by respectively the answer signal of the phases such as the two-way constant amplitude, carry out adding with the answer signal to phases such as the two-way constant amplitudes
Power, obtain it is described and, difference weighting answer signal.
Specifically, previous example is continued to use, such as described and weighted value X1, difference weighted value X2 are multiplied by respectively F1, F2 to obtain
It is described and, difference weighting answer signal F11, F12, specially：
F11=X1*F1；
F12=X2*F2.
In the embodiment of the present application, can be found in Fig. 3, the Monopulse estimation equipment be used for based on it is described and, difference weighting should
Signal is answered, carries out tabling look-up angle measurement to obtain a measurement angle using the reception diagram.
Specifically, previous example is continued to use, such as the inquisitor of the Monopulse estimation in secondary radar is according to the institute for receiving
State and, difference weighting answer signal F11, F12 tabled look-up, and obtains a measurement angle, and the measurement angle is inquisitor by docking
F11, the F12 for receiving tables look-up what is obtained, for example, carry out tabling look-up angle measurement using the aforementioned reception diagram for obtaining and surveyed
Measuring angle.
In the embodiment of the present application, the authentication unit, is used for：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function is normal.
Specifically, previous example is continued to use, for example, the inquisitor of the Monopulse estimation in secondary radar is tabled look-up and obtained a survey
Measuring angle, and and, difference weighting answer signal F11, F12 corresponded in itself an actual angle, and by processing the actual corners are obtained
Angular error between degree and the measurement angle, it is possible to know whether the angle measurement function of the inquisitor is normal.In addition, example
Time as needed for the measurement angle that can also be obtained according to the inquisitor judges the efficiency of inquisitor angle measurement function.
Embodiment three
In embodiment, Fig. 7 is can be found in；
A kind of angle measurement functional verification system of Monopulse estimation equipment, the system includes：
Reception diagram is obtained using darkroom test or the mode such as artificial；
Using discrete acquisitions unit 1071 reception diagram 20 is carried out by certain and-difference step footpath discrete
Change, so as to obtain the discrete data 1072 of the reception diagram, wherein, the discrete data 1072 is used as the simulation
Answer signal and, difference weighted value；Select one group and, difference weighted value X1, X2；
Analog answer signal is sent by analog answer machine 101；
Power splitter 1021 is connected with the analog answer machine 101, and analog answer signal is divided into into the phases such as two-way constant amplitude
Answer signal F1 and F2；
With passage 1023 F1 is weighted using the X1 of selection, difference passage 1024 carries out adding using the X2 of selection to F2
Power, obtain and, difference weighting answer signal it is as follows：
F11=X1*F1；
F12=X2*F2；
A F11 actual angles corresponding with F12；
The inquisitor 1031 of the Monopulse estimation in such as secondary radar of Monopulse estimation equipment 103 receives F11, F12
Afterwards, a measurement angle is obtained using the angle measurement that carries out tabling look-up of the reception diagram 20；
According to the actual angle and the measurement angle, the simple venation in Monopulse estimation equipment such as secondary radar is verified
Rush the angle measurement function of the inquisitor of angle measurement.
By one or more technical schemes in the embodiment of the present application, it is possible to achieve following one or more technology effects
Really：
Due to the technical scheme in the embodiment of the present application, following technical scheme is employed：Simulation is sent using checking system
Answer signal；Obtain it is corresponding with the analog answer signal and, difference weight answer signal；Obtain it is described and, difference weighting response
The corresponding actual angle of signal；Based on it is described and, difference weighting answer signal obtained one measurement angle；Based on the reality
Angle and the measurement angle, verify the angle measurement function of the Monopulse estimation equipment in the checking system.
So, when needing to verify the angle measurement function of a Monopulse estimation equipment, for example, the inquiry in secondary radar is verified
During the angle measurement function of machine, checking system just can first send analog answer signal, while obtaining the analog answer signal correspondence
And, difference weighting answer signal, the checking system according to it is described and, difference weighting answer signal obtain it is described and, difference weighting answers
The corresponding actual angle of signal is answered, the inquisitor base in Monopulse estimation equipment such as secondary radar in the checking system
In it is described and, difference weighting answer signal obtain one measure angle, according to the angle between the actual angle and the measurement angle
Degree error, it is possible to verify whether the angle measurement function of inquisitor in the secondary radar is normal.Therefore, the simple venation in the application
That rushes angle measurement technique is implemented without the equipment such as turntable, answering machine that erect a television antenna, and can reach and verify simple venation in laboratory environment
The efficiency and accuracy of angle-measuring equipment angle measurement are rushed, so as to reduce testing cost, and is beneficial to the development of Monopulse estimation technology
Technique effect.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (14)
1. a kind of angle measurement function verification method of Monopulse estimation equipment, in being applied to checking system, it is characterised in that the side
Method includes：
Send analog answer signal；
Obtain it is corresponding with the analog answer signal and, difference weight answer signal；
Obtain it is described and, the corresponding actual angle of difference weighting answer signal；
Based on it is described and, difference weighting answer signal obtained one measurement angle；
Based on the actual angle and the measurement angle, the angle measurement work(of the Monopulse estimation equipment in the checking system is verified
Energy.
2. the method for claim 1, it is characterised in that methods described also includes：
Obtain reception diagram；
Based on the reception diagram obtain the analog answer signal and, difference weighted value.
3. method as claimed in claim 2, it is characterised in that described that the simulation is obtained based on the reception diagram
Answer signal and, difference weighted value, including：
Discrete sampling is carried out to the reception diagram, to obtain the discrete data of the reception diagram, wherein,
The discrete data as the analog answer signal and, difference weighted value.
4. method as claimed in claim 2 or claim 3, it is characterised in that the acquisition it is corresponding with the analog answer signal and,
Difference weighting answer signal, including：
Work(point is carried out to the analog answer signal, the answer signal of the phases such as two-way constant amplitude is obtained；
Using it is described and, difference weighted value the answer signal of the phases such as the two-way constant amplitude is weighted respectively, with obtain it is described and,
Difference weighting answer signal.
5. method as claimed in claim 4, it is characterised in that it is described using it is described and, difference weighted value is respectively to the two-way
The answer signal of the phases such as constant amplitude is weighted, with obtain it is described and, difference weighting answer signal, including：
Using it is described and, difference weighted value be multiplied by the answer signal of the phases such as the two-way constant amplitude respectively, with to described two-way constant amplitude etc.
The answer signal of phase is weighted, obtain it is described and, difference weighting answer signal.
6. method as claimed in claim 2, it is characterised in that it is described based on it is described and, difference weighting answer signal obtained
One measurement angle, including：Based on it is described and, difference weighting answer signal, carry out angle measurement of tabling look-up using the reception diagram,
To obtain measurement angle.
7. the method for claim 1, it is characterised in that described based on the actual angle and the measurement angle, tests
The angle measurement function of the Monopulse estimation equipment in the checking system is demonstrate,proved, including：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function in the checking system is normal.
8. the angle measurement functional verification system of a kind of Monopulse estimation equipment, it is characterised in that the system includes：
Analog answer machine, for sending analog answer signal；
Power splitter, is connected with the analog answer machine, for based on phases such as the analog answer signal output two-way constant amplitudes
Answer signal；
Width phase control unit, is connected with the power splitter, for being weighted to the answer signal of the phases such as the two-way constant amplitude,
With obtain and, difference weighting answer signal；
Monopulse estimation equipment, is connected with the width phase control module, for based on it is described and, difference weighting answer signal obtain
One measurement angle；
First obtains unit, obtain it is described and, the corresponding actual angle of difference weighting answer signal；
Authentication unit, based on the actual angle and the measurement angle, verifies the angle measurement function of the Monopulse estimation equipment.
9. system as claimed in claim 8, it is characterised in that the system also includes：
Second obtaining unit, for obtaining reception diagram；
Weighting value cell, for based on the reception diagram obtain the analog answer signal and, difference weighted value.
10. system as claimed in claim 9, it is characterised in that the weighting value cell is specially discrete acquisitions unit, is used for
Discrete sampling is carried out to the reception diagram, it is described discrete to obtain the discrete data of the reception diagram
Data as described in the analog answer signal and, difference weighted value.
11. systems as described in claim 9 or 10, it is characterised in that the width phase control unit includes：With, difference passage, institute
State and, difference weighted value be stored respectively in it is described and, difference passage in；
It is described and, difference passage be used for using it is described and, difference weighted value the answer signal of the phases such as the two-way constant amplitude is carried out respectively
Weighting, with obtain it is described and, difference weighting answer signal.
12. systems as claimed in claim 11, it is characterised in that it is described and, difference passage be used for it is described and, difference weighted value difference
The answer signal of the phases such as the two-way constant amplitude is multiplied by, is weighted with the answer signal to phases such as the two-way constant amplitudes, obtain institute
State and, difference weighting answer signal.
13. systems as claimed in claim 9, it is characterised in that the Monopulse estimation equipment be used for based on it is described and, difference plus
Power answer signal, carries out tabling look-up angle measurement to obtain a measurement angle using the reception diagram.
14. systems as claimed in claim 8, it is characterised in that the authentication unit, are used for：
Obtain the angular error between the actual angle and the measurement angle；
Based on the angular error, verify whether the Monopulse estimation equipment angle measurement function is normal.
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