CN105445717A - Radar data processing apparatus and method - Google Patents
Radar data processing apparatus and method Download PDFInfo
- Publication number
- CN105445717A CN105445717A CN201510868715.3A CN201510868715A CN105445717A CN 105445717 A CN105445717 A CN 105445717A CN 201510868715 A CN201510868715 A CN 201510868715A CN 105445717 A CN105445717 A CN 105445717A
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- CN
- China
- Prior art keywords
- optical
- streak camera
- streak
- light
- radar
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
-
- 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
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a radar data processing apparatus and method. The radar data processing apparatus comprises an electric-to-optical transducer, a streak camera, an optical data processor, a computer storage module and a display, wherein an electric signal transmitting terminal of a radar transmits the received signals to an electric input interface of the electric-to-optical transducer; an optical output interface of the electric-to-optical transducer is connected with an input objective lens of the streak camera through a fiber or a waveguide device; a read-out system of the streak camera is connected with the optical data processor through a detection device, a spatial light modulator or an optical fiber communication line; and a signal output terminal for the optical data processor outputs the data to the computer storage module through the detection device or is connected with the display. The radar data processing apparatus introduces the streak camera in the radar data communication field so that the data processing rate is higher.
Description
[technical field]
The present invention relates to technical field of radar communication, specifically a kind of radar data treating apparatus and method.
[background technology]
In the prior art, various types of radar is used for the object such as meteorological observation, air traffic control, radar is by receiving from the high frequency radio wave of sky alignment objective emission such as microwave the size, shape, distance, speed etc. that detect this target from the reflection wave of this target or scattering wave, and the electric signal comprising this type of information is converted into digital signal by data acquisition unit, be directed into data processing equipment such as computing machine and carry out data processing, then obtain the image being convenient to data analysis.
For achieving the above object, therefore radar needs on parts: transmitter, for generation of and export the high-frequency signal of pulse shape; Antenna, receives for high-frequency signal from transmitter to atmospheric emission that produced by be reflected by target or the high frequency radio wave of scattering as high frequency radio wave; Receiver, for receiving by the high frequency radio wave of reflections off objects by antenna; And be used as the circulator of switching device shifter, for switching between the high-frequency signal transmission from transmitter to antenna and the transmission of the high-frequency signal from antenna to receiver.
If increase bandwidth to improve resolution, for obtaining all signals corresponding to respective bandwidth, just need to be equipped with high performance ADC device, this will become a problem.Even if therefore we need to find use also can ensure high-resolution scheme lower than the sampling rate of required sampling rate.
Streak camera, be also called image converter tube scanning camera, the timeline information of light signal can be converted to spatial axes information, collection and the analysis of signal is carried out again by CCD or cmos detector, existing streak camera, be mainly used in spectrum property and the time response research of material more, be used for testing the fluorescence lifetime of up-conversion and crystalline material.
[summary of the invention]
The object of the invention is to streak camera to introduce radar data treating apparatus, a kind of data processing speed radar data treating apparatus and method is faster provided.
For achieving the above object, design a kind of New Type Radar data processing equipment, device comprises electrical to optical converter, streak camera, optical data processor, Computer Storage module and display, received signal is sent to the electric input interface of electrical to optical converter by the electric signal transmitting terminal of radar, the light output interface of electrical to optical converter connects the input objective of streak camera by optical fiber or waveguide device, the read-out system of streak camera passes through sensitive detection parts, spatial light modulator or optical fiber telecommunications line are connected with optical data processor, data are outputted to Computer Storage module or connection display by detector by optical data processor signal output terminal.
Described streak camera, by input objective, shutter, time series analysis streak tube, power supply unit, time scan and etc. the control module of frame time, read-out system, slit and neutral density filter form, described time series analysis streak tube adopts the photocathode be produced on fibre faceplate, two pairs of deflecting plate, a microchannel plate and the video screen be produced on fibre faceplate, replaceable slit is positioned over the fibre faceplate place near photocathode, and neutral density filter is placed on input objective.
Described time series analysis streak tube, also replace with optically-coupled assembly, light deflector, pump light assembly, wherein light deflector comprises optical waveguide, and pump light is vertically incident to optical waveguide, then flashlight is in the horizontal direction by being read by read-out system collection after optical waveguide; The functional layer of optical waveguide adopts sandwich construction, middle sandwich layer is flashlight passage, pump light incident end face is provided with make pump light form the zigzag pump light mask of light prism array in the core, described smooth prism array is carrier-induced variations in refractive index effect in based semiconductor, for beam deflection.
Described electrical to optical converter, comprise electric input interface, voltage stabilizing current limiting component, optical semiconductor assembly and light output interface, described voltage stabilizing flow-restriction is connected with optical semiconductor assembly, and voltage stabilizing flow-restriction also connects electric input interface, and optical semiconductor assembly also connects light output interface.
The method of above-mentioned New Type Radar data processing equipment, the electric signal transmitting terminal of radar by signal wire by electric signal transmission to the electric input interface of electrical to optical converter, the voltage stabilizing current limiting component established in electrical to optical converter passes through, transform electrical signals is light signal by optical semiconductor group, and exported by light output interface, be transmitted through the fiber to the input objective of streak camera again, clock signal is changed into steric spatial domain sequence signal by the time series analysis streak tube of establishing in being passed through by streak camera, the read-out system of streak camera passes through sensitive detection parts, spatial light modulator or optical fiber telecommunications line are connected with optical data processor, optical data processor signal output terminal by detector output data to Computer Storage module or connect display.
The input objective of the optical signals streak camera after conversion enters streak camera, and entry time analyzes streak tube after neutral density filter tentatively filters, namely through the replaceable slit being positioned over fibre faceplate place, be irradiated on photocathode via two pairs of deflecting plate and a microchannel plate, information, through accelerating to focus on and imaging on video screen after scanning, is exported by read-out system by the photoelectron produced.
Streak camera is innovatively introduced the radar data communications field by the present invention, and data processing speed is faster, can reach the processing speed of picosecond magnitude.
[accompanying drawing explanation]
Fig. 1 is radar data communication data transfer theory diagram of the present invention.
Fig. 2 is electro-optic conversion theory diagram.
Fig. 3 is embodiment one streak camera structured flowchart.
Fig. 4 is embodiment two streak camera structured flowchart.
[embodiment]
Now by reference to the accompanying drawings and embodiment technical scheme of the present invention is further elaborated, believe it is clearly for a person skilled in the art.
Embodiment one
As shown in Figure 1, New Type Radar data processing equipment, it is characterized in that, by radar, electrical to optical converter, streak camera, optical data processor, Computer Storage module and display composition, received signal is sent to the electric input interface of electrical to optical converter by the electric signal transmitting terminal of described radar, the light output interface of electrical to optical converter connects the input objective of streak camera by optical fiber or waveguide device, the read-out system of streak camera passes through sensitive detection parts, spatial light modulator or optical fiber telecommunications line are connected with optical data processor, data are outputted to Computer Storage module or connection display by detector by optical data processor signal output terminal.
As shown in Figure 2, described electrical to optical converter, comprise electric input interface, voltage stabilizing current limiting component, optical semiconductor assembly and light output interface, described voltage stabilizing flow-restriction is connected with optical semiconductor assembly, voltage stabilizing flow-restriction also connects electric input interface, optical semiconductor assembly also connects light output interface.
Although streak camera is called as camera, with the camera of common meaning inconsistent, it is not direct record on film, each frame of order neither be recorded, but similar consecutive image or the same record of film, just speed is very fast, can be used to record pole blink.Streak camera can perform bidimensional distribution, simultaneously the parameter of Measuring Time category or Space Categories, because it has very high resolution over time and space, has become the powerful of high space-time diagnosis.
As shown in Figure 3, described streak camera, by input objective, mechanical shutter, time series analysis streak tube, power supply unit, time scan and etc. the control module of frame time, read-out system, slit and neutral density filter form, described time series analysis streak tube adopts the photocathode be produced on fibre faceplate, two pairs of deflecting plate, a microchannel plate and the video screen be produced on fibre faceplate, replaceable slit is positioned over the fibre faceplate place near photocathode, and neutral density filter is placed on input objective.
The method of above-mentioned New Type Radar data processing equipment, the electric signal transmitting terminal of radar by signal wire by electric signal transmission to the electric input interface of electrical to optical converter, the voltage stabilizing current limiting component established in electrical to optical converter passes through, transform electrical signals is light signal by optical semiconductor group, and exported by light output interface, be transmitted through the fiber to the input objective of streak camera again, clock signal is changed into steric spatial domain sequence signal by the time series analysis streak tube of establishing in being passed through by streak camera, the read-out system of streak camera passes through sensitive detection parts, spatial light modulator or optical fiber telecommunications line are connected with optical data processor, optical data processor signal output terminal by detector output data to Computer Storage module or connect display.
The input objective of the optical signals streak camera after conversion enters streak camera, and entry time analyzes streak tube after neutral density filter tentatively filters, namely through the replaceable slit being positioned over fibre faceplate place, be irradiated on photocathode via two pairs of deflecting plate and a microchannel plate, information, through accelerating to focus on and imaging on video screen after scanning, is exported by read-out system by the photoelectron produced.
Embodiment two
As shown in Figure 4, described time series analysis streak tube, also replace with optically-coupled assembly, light deflector, pump light assembly, wherein light deflector comprises optical waveguide, pump light is vertically incident to optical waveguide, then flashlight is in the horizontal direction by being read by read-out system collection after optical waveguide; The functional layer of optical waveguide adopts sandwich construction, middle sandwich layer is flashlight passage, pump light incident end face is provided with make pump light form the zigzag pump light mask of light prism array in the core, described smooth prism array is carrier-induced variations in refractive index effect in based semiconductor, for beam deflection.
Claims (5)
1. a radar data treating apparatus, comprises electrical to optical converter, streak camera, optical data processor, Computer Storage module and display, it is characterized in that:
The electric signal transmitting terminal of radar by signal wire by electric signal transmission to the electric input interface of electrical to optical converter, the voltage stabilizing current limiting component established in electrical to optical converter passes through, transform electrical signals is light signal by optical semiconductor group, and exported by light output interface, be transmitted through the fiber to the input objective of streak camera again, clock signal is changed into steric spatial domain sequence signal by the time series analysis streak tube of establishing in being passed through by streak camera, the read-out system of streak camera passes through sensitive detection parts, spatial light modulator or optical fiber telecommunications line are connected with optical data processor, optical data processor signal output terminal by detector output data to Computer Storage module or connect display.
2. a kind of radar data treating apparatus as claimed in claim 1, it is characterized in that, described streak camera by input objective, shutter, time series analysis streak tube, power supply unit, time scan and etc. the control module of frame time, read-out system, slit and neutral density filter form, described time series analysis streak tube adopts the photocathode be produced on fibre faceplate, two pairs of deflecting plate, a microchannel plate and the video screen be produced on fibre faceplate, replaceable slit is positioned over the fibre faceplate place near photocathode, and neutral density filter is placed on input objective.
3. a kind of radar data treating apparatus as claimed in claim 1, it is characterized in that, described electrical to optical converter, comprise electric input interface, voltage stabilizing current limiting component, optical semiconductor assembly and light output interface, described voltage stabilizing flow-restriction is connected with optical semiconductor assembly, voltage stabilizing flow-restriction also connects electric input interface, optical semiconductor assembly also connects light output interface.
4. a kind of radar data treating apparatus as claimed in claim 2, it is characterized in that, described time series analysis streak tube, also replace with optically-coupled assembly, light deflector, pump light assembly, wherein light deflector comprises optical waveguide, pump light is vertically incident to optical waveguide, then flashlight is in the horizontal direction by being read by read-out system collection after optical waveguide; The functional layer of optical waveguide adopts sandwich construction, middle sandwich layer is flashlight passage, pump light incident end face is provided with make pump light form the zigzag pump light mask of light prism array in the core, described smooth prism array is carrier-induced variations in refractive index effect in based semiconductor, for beam deflection.
5. the signal processing method based on radar data treating apparatus described in claim 1, it is characterized in that, the input objective of the optical signals streak camera after optical semiconductor group transforms enters streak camera, and entry time analyzes streak tube after neutral density filter tentatively filters, namely through the replaceable slit being positioned over fibre faceplate place, be irradiated on photocathode via two pairs of deflecting plate and a microchannel plate, information, through accelerating to focus on and imaging on video screen after scanning, is exported by read-out system by the photoelectron produced.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868715.3A CN105445717A (en) | 2015-12-01 | 2015-12-01 | Radar data processing apparatus and method |
| CN201610236489.1A CN105759248B (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing unit and signal-data processing method |
| CN201620318406.9U CN205809284U (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868715.3A CN105445717A (en) | 2015-12-01 | 2015-12-01 | Radar data processing apparatus and method |
Publications (1)
| Publication Number | Publication Date |
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| CN105445717A true CN105445717A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510868715.3A Pending CN105445717A (en) | 2015-12-01 | 2015-12-01 | Radar data processing apparatus and method |
| CN201610236489.1A Active CN105759248B (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing unit and signal-data processing method |
| CN201620318406.9U Withdrawn - After Issue CN205809284U (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing means |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610236489.1A Active CN105759248B (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing unit and signal-data processing method |
| CN201620318406.9U Withdrawn - After Issue CN205809284U (en) | 2015-12-01 | 2016-04-15 | A kind of radar data processing means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594181A (en) * | 2018-05-31 | 2018-09-28 | 中国人民解放军63908部队 | A kind of portable radar data acquisition processing device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445717A (en) * | 2015-12-01 | 2016-03-30 | 中国科学院上海技术物理研究所 | Radar data processing apparatus and method |
| CN108181846B (en) * | 2017-12-12 | 2020-02-18 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Multi-array radar module time sequence control method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10240494A1 (en) * | 2002-09-03 | 2004-03-11 | Robert Bosch Gmbh | Pulse radar sensor |
| CN101876709A (en) * | 2009-12-14 | 2010-11-03 | 哈尔滨工业大学 | Stripe pipe laser infrared radar imaging detection system |
| CN102253394B (en) * | 2011-04-21 | 2012-10-24 | 北京理工大学 | Multispectral stripe tube three-dimensional lidar imaging apparatus |
| CN102508224B (en) * | 2011-11-18 | 2014-01-29 | 北京理工大学 | Device for improving imaging laser radar depth of field of multi-slit streak tube |
| CN102901957A (en) * | 2012-09-25 | 2013-01-30 | 北京理工大学 | Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar |
| CN105445717A (en) * | 2015-12-01 | 2016-03-30 | 中国科学院上海技术物理研究所 | Radar data processing apparatus and method |
-
2015
- 2015-12-01 CN CN201510868715.3A patent/CN105445717A/en active Pending
-
2016
- 2016-04-15 CN CN201610236489.1A patent/CN105759248B/en active Active
- 2016-04-15 CN CN201620318406.9U patent/CN205809284U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594181A (en) * | 2018-05-31 | 2018-09-28 | 中国人民解放军63908部队 | A kind of portable radar data acquisition processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105759248B (en) | 2019-04-02 |
| CN205809284U (en) | 2016-12-14 |
| CN105759248A (en) | 2016-07-13 |
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Application publication date: 20160330 |