CN207663051U - A kind of more base differential interferometry radar systems of time division multiplexing based on remote control - Google Patents

A kind of more base differential interferometry radar systems of time division multiplexing based on remote control Download PDF

Info

Publication number
CN207663051U
CN207663051U CN201721675498.7U CN201721675498U CN207663051U CN 207663051 U CN207663051 U CN 207663051U CN 201721675498 U CN201721675498 U CN 201721675498U CN 207663051 U CN207663051 U CN 207663051U
Authority
CN
China
Prior art keywords
radar
differential interferometry
control
base differential
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721675498.7U
Other languages
Chinese (zh)
Inventor
姚雪
聂祥飞
王安蓉
王杰
曹湘
谢辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Three Gorges University
Original Assignee
Chongqing Three Gorges University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Three Gorges University filed Critical Chongqing Three Gorges University
Priority to CN201721675498.7U priority Critical patent/CN207663051U/en
Application granted granted Critical
Publication of CN207663051U publication Critical patent/CN207663051U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Radar Systems Or Details Thereof (AREA)

Abstract

The utility model proposes a kind of more base differential interferometry radar systems of time division multiplexing based on remote control,Single base differential interferometry radar system including several independent controls,The basic principle formed by the work basic principle and array antenna beam of studying polarization sensitive synthetic aperture radar system,Electromagnetic wave is sent using multiple single ground differential interferometry radar system timesharing under the control of remote system to detect the detection scene in its beam coverage,Realize all standing to detecting scene,Collected multiple single base differential interferometry radar system data are sent to signal processor and carry out imaging,Obtain the panoramic picture of specific region,It lays the foundation for follow-up micro- deformation monitoring,The technical issues of solving to cause existing ground differential interferometry radar system that cannot carry out all standing to detection scene due to the limitation of antenna beam range in the prior art.

Description

A kind of more base differential interferometry radar systems of time division multiplexing based on remote control
Technical field
The utility model belongs to Radar Technology field, and it is dry to be related to a kind of more base difference of the time division multiplexing based on remote control Relate to radar system.
Background technology
The micro- deformation monitoring technology of earth's surface is broadly divided into two major classes at present;One kind is conventional contact measuring technique;It is another kind of It is table distortion measurement technology in a non-contact manner.Conventional contact distortion measurement mode needs manually to arrange measurement point, but actually answers In, some can not be completed measurement point by the point that geographical particular surroundings constrains and arranged.For contact distortion measurement technology The problem for needing manually arrangement measurement point, has been born using spaceborne differential SAR Interferometry as the contactless earth's surface distortion measurement of representative Technology.Spaceborne differential SAR Interferometry technology, the gap periods of gathered data are long, generally a few days or a few weeks, cannot meet Extract the demand of micro- deformation quantity in monitoring region incessantly in real time.Moreover, it is desirable to obtaining diameter radar image Middle all pixels unit is analyzed, and operand is very big.
The shortcomings that overcome above-mentioned deformation micro- using spaceborne differential SAR Interferometry technical monitoring earth's surface, both at home and abroad more researchs The institutions conduct research of ground differential interferometry technology.Ground differential interferometry radar system data collection cycle is very short, generally For a few minutes, the monitoring micro- deformation data in region can be extracted incessantly in real time, while using in diameter radar image sequence The Permanent scatterers of high coherence can be kept to analyze and handle instead of entire image pixel unit, reduce operand.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of more base difference of time division multiplexing based on remote control Interferometer radar system solves in the prior art since the limitation of antenna beam range leads to existing ground differential interferometry radar system The technical issues of system cannot carry out all standing to detection scene.
In order to achieve the above objectives, the utility model provides the following technical solutions:
The more base differential interferometry radar systems of a kind of time division multiplexing based on remote control, for being visited to specific region It surveys, includes single base differential interferometry radar system of several independent controls, for controlling single base differential interferometry radar system Remote system and signal processor and display system for handling single base differential interferometry radar system output signal;It is single A single base differential interferometry radar system includes the receiving module of the control signal for receiving remote system outflow, for locating Manage the control system for controlling signal and being connected with receiving module, the radar transmitter being connected with control system and radar emission The connected transmitting radar antenna of machine and radar receiver, the radar receiving antenna being connect with radar receiver and radar emission The servo-drive system of electric control displacement platform and adjustment electric control displacement platform position that machine and radar receiver are separately connected; Wherein, remote system sends control signal, each list base differential interferometry thunder to several single base differential interferometry radar systems Identical or different control signal is received up to the receiving module in system and is transported to control system, control system control radar hair It penetrates machine and emits signal from transmitting radar antenna;Radar receiving antenna receives the signal returned and is delivered to radar receiver;It watches Dress system controls electric control displacement platform and carries out position movement progress signal acquisition;Several single base differential interferometry radar systems are equal Signal processor and display system are sent the signal to, signal processor handles and integrate coherent signal, by display system entirety Output, obtains the panoramic picture of the specific region.
Optionally, the biography of the control signal is carried out between the remote system and receiving module by wireless-transmission network Defeated, the receiving module is WIFI module.
Optionally, by its, respectively aerial array is formed the single base differential interferometry radar system position distribution of several described Beam area determine that the investigative ranges of all list bases differential interferometry radar systems covering and hands over the specific region comprehensively Collection is zero.
Optionally, the control system is made of FPGA main control chips.
Optionally, single base differential interferometry radar system is positive side view polarization sensitive synthetic aperture radar system.
Optionally, the specific region is massif surface, several described single base differential interferometry radar systems are coastal The increased dimension linear arrangement of degree of lifting, the detection massif surface of overall test region overlay whole.
The beneficial effects of the utility model are:
The utility model is related to a kind of more base differential interferometry radar systems of time division multiplexing based on remote control, by grinding The basic principle for studying carefully the work basic principle and array antenna beam formation of polarization sensitive synthetic aperture radar system, using multiple single ground basis The timesharing under the control of remote system of point interferometer radar system send electromagnetic wave to the detection scene in its beam coverage into The all standing to detecting scene is realized in row detection, and collected multiple single base differential interferometry radar system data are sent to letter Number processor carries out imaging, obtains the panoramic picture of specific region, lays the foundation for follow-up micro- deformation monitoring.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following Bright book is realized and is obtained.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality It is novel to be preferably described in detail, wherein:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the side schematic view of several single base differential interferometry radar system position distributions of the utility model.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition Different specific implementation modes are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and Feature in embodiment can be combined with each other.
- Fig. 2 is please referred to Fig.1, the element numbers in attached drawing indicate respectively:Transmitting radar antenna 1, radar receiving antenna 2, thunder Up to transmitter 3, radar receiver 4, electric control displacement platform 5, servo-drive system 6, signal processor and display system 7, wireless transmission Network 8, remote system 9, receiving module 10.
The utility model is related to a kind of more base differential interferometry radar systems of time division multiplexing based on remote control, for pair Specific region is detected, and single base differential interferometry radar system of several independent controls is included, poor for controlling single base Divide the remote system 9 of interferometer radar system and the signal processing for handling single base differential interferometry radar system output signal Machine and display system 7;Single single base differential interferometry radar system includes the control signal for receiving the outflow of remote system 9 Receiving module 10, control system for handling control signal and being connected with receiving module 10, be connected with control system Radar transmitter 3, the transmitting radar antenna 1 being connected with radar transmitter 3 and radar receiver 4 are connect with radar receiver 4 Radar receiving antenna 2, the electric control displacement platform 5 that is separately connected with radar transmitter 3 and radar receiver 4 and adjustment electricity Control the servo-drive system 6 of 5 position of displacement platform;Wherein, remote system 9 is sent out to several single base differential interferometry radar systems Control signal is sent, the receiving module 10 in the differential interferometry radar system of each list base receives identical or different control signal simultaneously It is transported to control system, control system control radar transmitter 3 emits signal from transmitting radar antenna 1;Radar receiving antenna 2 It receives the signal returned and is delivered to radar receiver 4;Servo-drive system 6 controls electric control displacement platform progress position movement and carries out letter Number acquisition;Several single base differential interferometry radar systems send the signal to signal processor and display system 7, at signal Reason machine handles and integrates coherent signal, by display system overall output, obtains the panoramic picture of the specific region.
Preferably, the control signal is carried out by wireless-transmission network 8 between the remote system 9 and receiving module 10 Transmission, the receiving module 10 be WIFI module;The single base differential interferometry radar system position distributions of described several by Its beam area that respectively aerial array is formed determines that the investigative range of all list bases differential interferometry radar system is to the spy It is zero to determine the comprehensive covering in region and intersection;The control system is made of FPGA main control chips;Single base differential interferometry Radar system is positive side view polarization sensitive synthetic aperture radar system.
In the present embodiment, the specific region is massif surface, several described single base differential interferometry radar systems System is along the increased dimension linear arrangement of height above sea level, the detection massif surface of overall test region overlay whole.
Realize that the detailed process of remote control is as follows:
It is related to three polarization sensitive synthetic aperture radar systems, respectively the first polarization sensitive synthetic aperture radar system, second in the present embodiment altogether Polarization sensitive synthetic aperture radar system, third polarization sensitive synthetic aperture radar system.
If remote system 9 transmits the reference numerals start1, Suo Youhe of a transmitting electromagnetic wave by wireless-transmission network 8 The conventional number is received at the receiving module 10 of aperture radar system, by preset rule by the first synthetic aperture radar system Control system in system controls its transmitter transmitting electromagnetic wave, and a stopping is transmitted by wireless-transmission network 8 by remote system 9 Emit the reference numerals stop1 of electromagnetic wave, the receiving module 10 of all polarization sensitive synthetic aperture radar systems receives the conventional number, by advance The rule of setting controls its transmitter by the control system in the first polarization sensitive synthetic aperture radar system and stops transmitting electromagnetic wave;
If remote system 9 transmits the reference numerals start2, Suo Youhe of a transmitting electromagnetic wave by wireless-transmission network 8 The conventional number is received at the receiving module 10 of aperture radar system, by preset rule by the second synthetic aperture radar system Control system in system controls its transmitter transmitting electromagnetic wave, and a stopping is transmitted by wireless-transmission network 8 by remote system 9 Emit the reference numerals stop2 of electromagnetic wave, the receiving module 10 of all polarization sensitive synthetic aperture radar systems receives the conventional number, by advance The rule of setting controls its transmitter by the control system in the second polarization sensitive synthetic aperture radar system and stops transmitting electromagnetic wave;
If remote system 9 transmits the reference numerals start3, Suo Youhe of a transmitting electromagnetic wave by wireless-transmission network 8 The conventional number is received at the receiving module 10 of aperture radar system, by preset rule by third synthetic aperture radar system Control system in system controls its transmitter transmitting electromagnetic wave, and a stopping is transmitted by wireless-transmission network 8 by remote system 9 Emit the reference numerals stop3 of electromagnetic wave, the receiving module 10 of all polarization sensitive synthetic aperture radar systems receives the conventional number, by advance The rule of setting controls its transmitter by the control system in third polarization sensitive synthetic aperture radar system and stops transmitting electromagnetic wave.
The utility model is related to a kind of more base differential interferometry radar systems of time division multiplexing based on remote control, by grinding The basic principle for studying carefully the work basic principle and array antenna beam formation of polarization sensitive synthetic aperture radar system, using multiple single ground basis The timesharing under the control of remote system 9 of point interferometer radar system send electromagnetic wave to the detection scene in its beam coverage into The all standing to detecting scene is realized in row detection, and collected multiple single base differential interferometry radar system data are sent to letter Number processor carries out imaging, obtains the panoramic picture of specific region, lays the foundation for follow-up micro- deformation monitoring.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program Cover in the right of the utility model.

Claims (6)

1. the more base differential interferometry radar systems of a kind of time division multiplexing based on remote control, for being visited to specific region It surveys, which is characterized in that
Single base differential interferometry radar system including several independent controls, for controlling single base differential interferometry radar system Remote system and signal processor and display system for handling single base differential interferometry radar system output signal;
Single single base differential interferometry radar system include for receive remote system outflow control signal receiving module, For handling control signal and the control system being connected with receiving module, the radar transmitter and thunder that are connected with control system The transmitting radar antenna and radar receiver that are connected up to transmitter, the radar receiving antenna and thunder that are connect with radar receiver The electric control displacement platform that is separately connected up to transmitter and radar receiver and adjustment electric control displacement platform position are watched Dress system;
Wherein, remote system sends control signal to several single base differential interferometry radar systems, and each list base difference is dry It relates to the receiving module in radar system to receive identical or different control signal and be transported to control system, control system controls thunder Emit signal from transmitting radar antenna up to transmitter;Radar receiving antenna receives the signal returned and is delivered to radar reception Machine;Servo system control electric control displacement platform carries out position movement and carries out signal acquisition;Several single base differential interferometry radars System sends the signal to signal processor and display system, and signal processor handles and integrate coherent signal, is by display System overall output, obtains the panoramic picture of the specific region.
2. the more base differential interferometry radar systems of time division multiplexing as described in claim 1 based on remote control,
It is characterized in that:The biography of the control signal is carried out between the remote system and receiving module by wireless-transmission network Defeated, the receiving module is WIFI module.
3. the more base differential interferometry radar systems of time division multiplexing as described in claim 1 based on remote control,
It is characterized in that:By its, respectively aerial array is formed several described single base differential interferometry radar system position distributions Beam area determine that the investigative ranges of all list bases differential interferometry radar systems covering and hands over the specific region comprehensively Collection is zero.
4. the more base differential interferometry radar systems of time division multiplexing as described in claim 1 based on remote control,
It is characterized in that:The control system is made of FPGA main control chips.
5. the more base differential interferometry radar systems of time division multiplexing as described in claim 1 based on remote control,
It is characterized in that:Single base differential interferometry radar system is positive side view polarization sensitive synthetic aperture radar system.
6. the more base differential interferometry radar systems of time division multiplexing as described in claim 1 based on remote control,
It is characterized in that:The specific region is massif surface, several described single base differential interferometry radar systems are coastal The increased dimension linear arrangement of degree of lifting, the detection massif surface of overall test region overlay whole.
CN201721675498.7U 2017-12-06 2017-12-06 A kind of more base differential interferometry radar systems of time division multiplexing based on remote control Expired - Fee Related CN207663051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721675498.7U CN207663051U (en) 2017-12-06 2017-12-06 A kind of more base differential interferometry radar systems of time division multiplexing based on remote control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721675498.7U CN207663051U (en) 2017-12-06 2017-12-06 A kind of more base differential interferometry radar systems of time division multiplexing based on remote control

Publications (1)

Publication Number Publication Date
CN207663051U true CN207663051U (en) 2018-07-27

Family

ID=62940638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721675498.7U Expired - Fee Related CN207663051U (en) 2017-12-06 2017-12-06 A kind of more base differential interferometry radar systems of time division multiplexing based on remote control

Country Status (1)

Country Link
CN (1) CN207663051U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645886A (en) * 2019-09-30 2020-01-03 重庆大学 Ground-based interference virtual aperture deformation monitoring radar system and working method
CN113790667A (en) * 2021-11-18 2021-12-14 中大检测(湖南)股份有限公司 Dam deformation detection method based on radar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645886A (en) * 2019-09-30 2020-01-03 重庆大学 Ground-based interference virtual aperture deformation monitoring radar system and working method
CN113790667A (en) * 2021-11-18 2021-12-14 中大检测(湖南)股份有限公司 Dam deformation detection method based on radar

Similar Documents

Publication Publication Date Title
CN106899935B (en) A kind of indoor orientation method and system based on radio receiver and camera
Gonzalez-Valdes et al. Improving security screening: A comparison of multistatic radar configurations for human body imaging
CN104764938B (en) Carry the antenna damnification method of coherent passage
CN207663051U (en) A kind of more base differential interferometry radar systems of time division multiplexing based on remote control
Daponte et al. A height measurement uncertainty model for archaeological surveys by aerial photogrammetry
CN105783798B (en) Body structure surface DEFORMATION MONITORING SYSTEM and method
Sakamoto et al. Ultra-wideband radar imaging using a hybrid of Kirchhoff migration and Stolt FK migration with an inverse boundary scattering transform
EP4429206A1 (en) Wireless sensing collaboration method and apparatus, network side device, and terminal
CN203870032U (en) Information collecting device for field crops
CN109870736A (en) Millimeter wave/Terahertz rays safety detection apparatus and human body or article inspection method
US12111251B2 (en) Information processing apparatus, information processing method, program, and sensing system
CN110291368A (en) The assessment of multisensor irradiation level
CN106108899B (en) A kind of holography microwave imaging system and its imaging method
CN105307115A (en) Distributed vision positioning system and method based on action robot
Salman et al. 3D UWB radar super-resolution imaging for complex objects with discontinous wavefronts
CN103679087B (en) Localization method based on radio-frequency technique
CN102520408B (en) Three-dimensional imaging method for three-dimensional imaging system with cylindrical array surface
KR20170049953A (en) Indoor Positioning Device Using a Single Image Sensor and Method Thereof
CN106375937A (en) Indoor positioning control system based on sensing
Trosin et al. Measuring soil surface roughness with the realsense d435i
CN106772161B (en) The multichannel array type receiving coil and detection method of wireless sensor network
Xu et al. 3-D indoor device-free object detection by passive radio frequency identification
CN110264534B (en) Target imaging method and system based on RFID
Gonzalez-Valdes et al. On-the-move active millimeter wave interrogation system using a hallway of multiple transmitters and receivers
Hasani et al. Path-loss model of embroidered passive RFID tag on human body for indoor positioning applications

Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180727

Termination date: 20181206

CF01 Termination of patent right due to non-payment of annual fee