CN108535725A - The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband - Google Patents

The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband Download PDF

Info

Publication number
CN108535725A
CN108535725A CN201810307441.4A CN201810307441A CN108535725A CN 108535725 A CN108535725 A CN 108535725A CN 201810307441 A CN201810307441 A CN 201810307441A CN 108535725 A CN108535725 A CN 108535725A
Authority
CN
China
Prior art keywords
aperture
dimensional
band
radiation detection
detection
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.)
Pending
Application number
CN201810307441.4A
Other languages
Chinese (zh)
Inventor
赵锋
姚崇斌
徐红新
陈雄
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.)
Shanghai Aerospace Electronic Communication Equipment Research Institute
Original Assignee
Shanghai Aerospace Electronic Communication Equipment Research Institute
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 Shanghai Aerospace Electronic Communication Equipment Research Institute filed Critical Shanghai Aerospace Electronic Communication Equipment Research Institute
Priority to CN201810307441.4A priority Critical patent/CN108535725A/en
Publication of CN108535725A publication Critical patent/CN108535725A/en
Priority to PCT/CN2018/119568 priority patent/WO2019196445A1/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0209Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Aerials With Secondary Devices (AREA)
  • Radiation Pyrometers (AREA)
  • Image Processing (AREA)

Abstract

The present invention provides a kind of microwave radiation detection methods in the one-dimensional real aperture in spaceborne one-dimensional aperture synthesis of multiband, the present invention uses this microwave radiation Detection Techniques, by parabolic-cylinder antenna reflecting surface real aperture radiation detection is realized in straight rail direction, realize that aperture synthesis detects in cross rail direction, it is synthesized by array beams and realizes cross rail electric scanning, straight rail scanning is realized by satellite motion, the two combines the mechanical scanning for avoiding large aperture antenna, it solves the problems, such as that unbalancing value compensation is difficult, extends instrument service life.The mechanical scanning of large aperture antenna is avoided for conventional two-dimensional reality aperture radiation Detection Techniques, array element number is greatly reduced for the radiation detection technology of conventional two-dimensional aperture synthesis, realizes the optimal compromise of large aperture antenna radiation detection technology.

Description

The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband
Technical field
The present invention relates to a kind of microwave radiation detection methods in the one-dimensional real aperture in spaceborne one-dimensional aperture synthesis of multiband.
Background technology
Microwave radiometry technology is used for measuring the highly sensitive receiving device of object microwave thermal radiation.Pass through different frequency range Not like-polarized heat radiation data, can the temperature of inverting target, humidity, precipitation, the Liquid water content of cloud, cloud water phase state, land table The information such as temperature, soil moisture, sea ice and covering, snow depth and snow-broth content.It is widely used in meteorology, ocean, territory money Source, environment, astronomical observation and deep-space detection field.The development of satellite-borne microwave radiometer becomes it can be seen from development state abroad Gesture is:1) develop to the integrated direction of multiband, multipolarization, realize to being observed while many reference amounts;2) to bigger day Line bore direction is developed, and realizes higher spatial resolution.The greatest difficulty that the increase of antenna aperture is brought is large aperture antenna Mechanical scanning is difficult to realize, and two-dimensional synthetic aperture radiation detection can be to avoid this difficulty, but the new problem drawn is array list First number is very big, and if the GeoSTAR of U.S.'s beforehand research is up to hundreds of per frequency range number of unit, relative number is up to 100,000 magnitudes, because This cannot achieve multiband, multipolarization integrative detection.
Invention content
The purpose of the present invention is to provide a kind of microwave radiation spies in the one-dimensional real aperture in spaceborne one-dimensional aperture synthesis of multiband Survey method can avoid the mechanical scanning of large aperture antenna difficult, array element number is greatly reduced.
To solve the above problems, the present invention provides a kind of microwave spoke in the one-dimensional real aperture in one-dimensional aperture synthesis of spaceborne multiband Detection method is penetrated, including:
Target acquisition is carried out by the way of the complex probe of cross rail detection and straight rail detection, wherein array beams synthesize It realizes cross rail electric scanning, straight rail scanning is realized by satellite motion, target scene radiation signal is through parabolic-cylinder antenna reflecting surface It is received simultaneously by 3 winding displacement feed arrays after convergence, the array layout of the frequency range each detected meets UV visibility plane spaces Sampling Theorem, the received signal obtain visibility function value, finally using the in-orbit multiple calculation process of alignment processing device After the visibility function value is by the computer disposal of image reconstruction, the distribution of scene radiation brightness is obtained.
Further, in the above-mentioned methods, the frequency range of the detection is from C-band, X-band, Ku wave bands, K-band to Ka waves Section totally 5 frequency ranges.
Further, in the above-mentioned methods, the feed array of the C-band, X-band, Ku wave bands, K-band to Ka wave bands It is divided into 3 rows, feed array total number is 280.
Further, in the above-mentioned methods, the feed array of the C-band is a row, and the feed array of X-band is one Row, Ku wave bands, three frequency ranges of K-band and Ka wave bands feed array be a row.
Further, in the above-mentioned methods, the C-band, X-band, Ku wave bands, K-band to each frequency range of Ka wave bands Band is wider than 400MHz.
Further, in the above-mentioned methods, the cross rail detection uses aperture synthesis radiation detection, passes through 3 winding displacement Property feed array realize electric scanning;The straight rail detection is detected using real aperture radiation, is realized and is scanned by satellite motion.
Further, in the above-mentioned methods, the size of the parabolic-cylinder antenna reflecting surface is 12m*10m, wherein 2m* Deformation precision in the central areas 2m is more than 0.25mm.
Further, in the above-mentioned methods, target is carried out by the way of the complex probe of cross rail detection and straight rail detection Detection, wherein cross rail electric scanning is realized in array beams synthesis, and straight rail scanning, target scene radiation letter are realized by satellite motion It number is received simultaneously by 3 winding displacement feed arrays after the convergence of parabolic-cylinder antenna reflecting surface, the array cloth of the frequency range each detected Office meets UV visibility plane space Sampling Theorems, and the received signal is answered using the in-orbit of alignment processing device at operation Reason, obtains visibility function value, after the last visibility function value is by the computer disposal of image reconstruction, obtains scene radiation Bright temperature distribution, including:
Step 1, target scene radiation signal is reflected by parabolic cylinder planar antenna reflective face, wherein straight rail direction carries out energy Light path reflection is realized in amount convergence, cross rail direction;
Step 2, the feed array of the C-band of detection, X-band, Ku wave bands, K-band to Ka wave bands totally 5 frequency ranges is divided into The array layout of three rows, the frequency range each detected are satisfied by UV visibility plane space Sampling Theorems, while receiving parabolic cylinder Shape antenna reflective face reflects signal, into respective receiver channel;
Step 3, signal amplifies through the receiver channel, filters and be divided into two-way after down coversion, is adopted all the way through high-speed AD Into alignment processing between complex correlator progress two-by-two after the direct time sampling of storage, to export related coefficient;Another way is through detection Integrating channel carries out square law detection and is sampled by preprocessor with after integral, with output power value;
Step 4, the related coefficient that the complex correlator exports is combined with the performance number that the detection integrating channel exports, Anti-normalization processing is carried out, obtains visibility compound correlative function value, then by central processing unit 80 by the visibility multiple correlation letter Numerical value carries out the computer disposal of image reconstruction after transmitting to ground after, the distribution of scene radiation brightness is obtained.
Compared with prior art, the present invention uses this microwave radiation Detection Techniques, is existed by parabolic-cylinder antenna reflecting surface Straight rail direction realizes that real aperture radiation detects, and realizes that aperture synthesis detects in cross rail direction, is synthesized by array beams and realize friendship Rail electric scanning realizes that straight rail scanning, the two are combined the mechanical scanning for avoiding large aperture antenna, solved dynamic by satellite motion The difficult problem of amount of unbalance compensation, extends instrument service life.Relative to conventional two-dimensional reality aperture radiation Detection Techniques Speech avoids the mechanical scanning of large aperture antenna, is greatly reduced for the radiation detection technology of conventional two-dimensional aperture synthesis Array element number realizes the optimal compromise of large aperture antenna radiation detection technology.
Description of the drawings
Fig. 1 is the microwave radiation detection schematic diagram in the one-dimensional real aperture in the one-dimensional aperture synthesis of one embodiment of the invention;
Fig. 2 is the microwave radiation detection antenna feeder analogous diagram in the one-dimensional real aperture in dimension aperture synthesis of one embodiment of the invention;
Fig. 3 is the microwave radiation array layout in the one-dimensional real aperture in the one-dimensional aperture synthesis of multiband of one embodiment of the invention Figure;
Fig. 4 is the radiation detection flow diagram in the one-dimensional real aperture in the one-dimensional aperture synthesis of one embodiment of the invention.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
Fig. 1 is the microwave radiation detection schematic diagram in the one-dimensional real aperture in the one-dimensional aperture synthesis of one embodiment of the invention, and Fig. 2 is The microwave radiation in the one-dimensional real aperture in dimension aperture synthesis of one embodiment of the invention detects antenna feeder analogous diagram.
The present invention provides a kind of microwave radiation detection method in the one-dimensional real aperture in one-dimensional aperture synthesis of spaceborne multiband, packet It includes:
Target acquisition is carried out by the way of the complex probe of cross rail detection and straight rail detection, wherein array beams synthesize It realizes cross rail electric scanning, straight rail scanning is realized by satellite motion, target scene radiation signal is through parabolic-cylinder antenna reflecting surface It is received simultaneously by 3 winding displacement feed arrays after convergence, the array layout of the frequency range each detected meets UV visibility plane spaces Sampling Theorem, the received signal obtain visibility function value (complex phase using the in-orbit multiple calculation process of alignment processing device Pass value), after the last visibility function value is by the computer disposal of image reconstruction, obtain the distribution of scene radiation brightness.
Here, the present invention detection frequency range from C-band to Ka wave bands (totally 5 frequency ranges), by parabolic-cylinder antenna reflecting surface, The groups such as linear feed array acceptor (3 rows, 3 frequency ranges of medium-high frequency are a row), associative processor and image reconstruction computer At.
Straight rail scanning is realized by satellite motion in straight rail direction by parabolic-cylinder antenna reflecting surface, realizes real aperture spoke Penetrate detection;It is synthesized by array beams in cross rail direction and carries out cross rail electric scanning, realize aperture synthesis detection.
The present invention is synthesized by array beams and realizes cross rail electric scanning, and straight rail scanning, the two group are realized by satellite motion The mechanical scanning for avoiding large aperture antenna is closed, solves the problems, such as that unbalancing value compensation is difficult, extends instrument and use the longevity Life.The mechanical scanning that large aperture antenna is avoided for traditional real aperture radiation Detection Techniques, relative to conventional two-dimensional Array element number is greatly reduced for the radiation detection technology of aperture synthesis, reduces computation complexity, realizes heavy caliber The optimal compromise of aerial radiation Detection Techniques.The present invention has certain versatility, can be widely applied to all kinds of spaceborne heavy caliber days Line is over the ground in radioactivity detection, identificationm, and computation.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, The frequency range of the detection is from C-band, X-band, Ku wave bands, K-band to Ka wave bands totally 5 frequency ranges.
Here, system detects frequency range from C-band to Ka wave bands, totally 5 frequency ranges, by parabolic-cylinder antenna reflecting surface, linear The compositions such as feed array received, associative processor and image reconstruction computer.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, The C-band, X-band, Ku wave bands, K-band to Ka wave bands feed array be divided into 3 rows, feed array total number is 280, Realize that multiband detects simultaneously.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, As shown in figure 3, the feed array of the C-band is a row, the feed array of X-band is a row, high frequency (Ku wave bands, K-band With Ka wave bands) the feed arrays of three frequency ranges is a row.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, The C-band, X-band, Ku wave bands, K-band to each frequency range of Ka wave bands band be wider than 400MHz.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, The cross rail detection uses aperture synthesis radiation detection, and electric scanning is realized by the 3 winding displacement feed array (receiving array); The straight rail detection is detected using real aperture radiation, is realized and is scanned by satellite motion.
Here, the present invention realizes that real aperture radiation detects by parabolic-cylinder antenna reflecting surface in straight rail direction, in cross rail Realize aperture synthesis detection in direction.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, The size of the parabolic-cylinder antenna reflecting surface is 12m*10m, wherein deformation precision in the central areas 2m*2m is more than 0.25mm, energy Enough while meeting straight rail reality aperture detection demand and cross rail aperture synthesis detection demand.
In one embodiment of microwave radiation detection method in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband of the present invention, Target acquisition is carried out by the way of the complex probe of cross rail detection and straight rail detection, wherein cross rail is realized in array beams synthesis Electric scanning realizes straight rail scanning by satellite motion, and target scene radiation signal is after the convergence of parabolic-cylinder antenna reflecting surface by 3 Winding displacement feed array receives simultaneously, and the array layout of the frequency range each detected meets UV visibility plane space Sampling Theorems, The received signal obtains visibility function value (complex correlation value), most using the in-orbit multiple calculation process of alignment processing device After the visibility function value is by the computer disposal of image reconstruction afterwards, the distribution of scene radiation brightness is obtained, as shown in figure 4, packet It includes:
Step 1, target scene radiation signal is reflected by parabolic cylinder planar antenna reflective face 10, wherein straight rail direction carries out Light path reflection is realized in energy centralization, cross rail direction;
Step 2, the feed array 20 of the C-band of detection, X-band, Ku wave bands, K-band to Ka wave bands totally 5 frequency ranges is divided For three rows, the array layout of the frequency range each detected is satisfied by UV visibility plane space Sampling Theorem (aperture synthesis visibilities The spatial sampling law of function), while receiving parabolic cylinder planar antenna reflective face 10 and reflecting signal, into respective receiver channel 30;
Step 3, signal is divided into two-way after the amplification of the receiver channel 30, filtering and down coversion, all the way through high-speed AD The directly sampling (time sampling) of collector 40 enters alignment processing between the progress two-by-two of complex correlator 50 afterwards, to export related coefficient; Another way carries out square law detection through detection integrating channel 60 and is sampled by preprocessor 70 with after integral, with output power value;
Step 4, the performance number related coefficient that the complex correlator 50 exports exported with the detection integrating channel 60 In conjunction with carrying out anti-normalization processing, obtain visibility function value (complex correlation value), then by central processing unit 80 by the visibility Functional value carries out the computer disposal of image reconstruction after transmitting to ground after, the distribution of scene radiation brightness is obtained.
In conclusion the present invention uses this microwave radiation Detection Techniques, by parabolic-cylinder antenna reflecting surface in straight rail side To real aperture radiation detection is realized, realizes that aperture synthesis detects in cross rail direction, synthesized by array beams and realize that cross rail electricity is swept It retouches, realizes that straight rail scanning, the two combine the mechanical scanning for avoiding large aperture antenna, solves unbalance dynamic by satellite motion The difficult problem of amount compensation, extends instrument service life.It is avoided for conventional two-dimensional reality aperture radiation Detection Techniques The mechanical scanning of large aperture antenna, for the radiation detection technology of conventional two-dimensional aperture synthesis is greatly reduced array list First number realizes the optimal compromise of large aperture antenna radiation detection technology.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it Interior, then the present invention is also intended to including these modification and variations.

Claims (8)

1. a kind of microwave radiation detection method in the one-dimensional real aperture in one-dimensional aperture synthesis of spaceborne multiband, which is characterized in that including:
Target acquisition is carried out by the way of the complex probe of cross rail detection and straight rail detection, wherein array beams synthesis is realized Cross rail electric scanning realizes that straight rail scanning, target scene radiation signal are converged through parabolic-cylinder antenna reflecting surface by satellite motion It is received simultaneously by 3 winding displacement feed arrays afterwards, the array layout of the frequency range each detected meets the sampling of UV visibility plane spaces Law, the received signal obtains visibility function value using the in-orbit multiple calculation process of alignment processing device, last described After visibility function value is by the computer disposal of image reconstruction, the distribution of scene radiation brightness is obtained.
2. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as described in claim 1, It is characterized in that, the frequency range of the detection is from C-band, X-band, Ku wave bands, K-band to Ka wave bands totally 5 frequency ranges.
3. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as claimed in claim 2, Be characterized in that, the C-band, X-band, Ku wave bands, K-band to Ka wave bands feed array be divided into 3 rows, feed array total number It is 280.
4. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as claimed in claim 3, It is characterized in that, the feed array of the C-band is a row, and the feed array of X-band is a row, Ku wave bands, K-band and Ka waves The feed array of three frequency ranges of section is a row.
5. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as claimed in claim 2, Be characterized in that, the C-band, X-band, Ku wave bands, K-band to each frequency range of Ka wave bands band be wider than 400MHz.
6. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as described in claim 1, It is characterized in that, the cross rail detection uses aperture synthesis radiation detection, and electric scanning is realized by the 3 winding displacement feed array; The straight rail detection is detected using real aperture radiation, is realized and is scanned by satellite motion.
7. the microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband as described in claim 1, It is characterized in that, the size of the parabolic-cylinder antenna reflecting surface is 12m*10m, wherein deformation precision in the central areas 2m*2m is more than 0.25mm。
8. the microwave radiation in the one-dimensional real aperture in the one-dimensional aperture synthesis of spaceborne multiband as described in any one of claim 1 to 7 is visited Survey method, which is characterized in that carry out target acquisition by the way of the complex probe of cross rail detection and straight rail detection, wherein battle array Row Beam synthesis realizes cross rail electric scanning, realizes straight rail scanning by satellite motion, target scene radiation signal is through parabolic cylinder It is received simultaneously by 3 winding displacement feed arrays after antenna reflective face convergence, it is visual that the array layout of the frequency range each detected meets UV Plane space Sampling Theorem is spent, the received signal obtains visibility using the in-orbit multiple calculation process of alignment processing device Functional value after the last visibility function value is by the computer disposal of image reconstruction, obtains the distribution of scene radiation brightness, packet It includes:
Step 1, target scene radiation signal is reflected by parabolic cylinder planar antenna reflective face, wherein straight rail direction carries out energy remittance Poly-, light path reflection is realized in cross rail direction;
Step 2, the feed array of the C-band of detection, X-band, Ku wave bands, K-band to Ka wave bands totally 5 frequency ranges is divided into three Row, the array layout of the frequency range each detected is satisfied by UV visibility plane space Sampling Theorems, while receiving parabolic cylinder planar Antenna reflective face reflects signal, into respective receiver channel;
Step 3, signal amplifies through the receiver channel, filters and be divided into two-way after down coversion, all the way through high-speed AD acquisition device Into alignment processing between complex correlator progress two-by-two after direct time sampling, to export related coefficient;Another way is integrated through detection Channel carries out square law detection and is sampled by preprocessor with after integral, with output power value;
Step 4, the related coefficient that the complex correlator exports is combined with the performance number that the detection integrating channel exports, is carried out Anti-normalization processing, obtains visibility compound correlative function value, then by central processing unit 80 by the visibility compound correlative function value After the computer disposal for carrying out image reconstruction after transmitting to ground, the distribution of scene radiation brightness is obtained.
CN201810307441.4A 2018-04-08 2018-04-08 The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband Pending CN108535725A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810307441.4A CN108535725A (en) 2018-04-08 2018-04-08 The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband
PCT/CN2018/119568 WO2019196445A1 (en) 2018-04-08 2018-12-06 Satellite-borne multiband one-dimensional synthetic aperture and one-dimensional real aperture microwave radiation detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810307441.4A CN108535725A (en) 2018-04-08 2018-04-08 The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband

Publications (1)

Publication Number Publication Date
CN108535725A true CN108535725A (en) 2018-09-14

Family

ID=63481784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810307441.4A Pending CN108535725A (en) 2018-04-08 2018-04-08 The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband

Country Status (2)

Country Link
CN (1) CN108535725A (en)
WO (1) WO2019196445A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109245833A (en) * 2018-10-17 2019-01-18 中国运载火箭技术研究院 A kind of comprehensive radio frequency TT&C system of spacecraft generalization
CN109541325A (en) * 2018-11-27 2019-03-29 上海航天电子通讯设备研究所 The spaceborne one-dimensional Synthetic Aperture Microwave radioactivity detection, identificationm, and computation of one kind and measurement method
CN109927938A (en) * 2019-02-21 2019-06-25 上海卫星工程研究所 Stationary orbit reality aperture microwave sounding satellite configuration
WO2019196445A1 (en) * 2018-04-08 2019-10-17 上海航天电子通讯设备研究所 Satellite-borne multiband one-dimensional synthetic aperture and one-dimensional real aperture microwave radiation detection method
CN110470678A (en) * 2019-09-24 2019-11-19 上海航天测控通信研究所 A kind of satellite-borne microwave complex probe instrument
CN110554440A (en) * 2019-09-11 2019-12-10 上海航天测控通信研究所 Satellite-borne microwave radiation measuring system and measuring method
CN115291218A (en) * 2022-10-10 2022-11-04 中国电子科技集团公司第十四研究所 Homologous common-view multiband interference SAR test system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111426889B (en) * 2020-04-14 2022-04-29 中国科学院国家天文台 Broadband dual-mode digital receiver and signal processing method thereof
CN116774222B (en) * 2023-08-23 2023-11-14 中国电子科技集团公司第十四研究所 Multi-mode mosaic imaging method combining machine and electricity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616567A (en) * 2013-11-27 2014-03-05 西安电子工程研究所 Multi-channel microwave radiation measuring device
CN107300561A (en) * 2016-04-15 2017-10-27 北京空间飞行器总体设计部 Ocean Salinity satellite based on many remote sensor combined detections
CN107449965A (en) * 2016-05-30 2017-12-08 中国科学院国家空间科学中心 A kind of satellite-borne microwave radiometer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108535725A (en) * 2018-04-08 2018-09-14 上海航天电子通讯设备研究所 The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616567A (en) * 2013-11-27 2014-03-05 西安电子工程研究所 Multi-channel microwave radiation measuring device
CN107300561A (en) * 2016-04-15 2017-10-27 北京空间飞行器总体设计部 Ocean Salinity satellite based on many remote sensor combined detections
CN107449965A (en) * 2016-05-30 2017-12-08 中国科学院国家空间科学中心 A kind of satellite-borne microwave radiometer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HAO LIU 等: "MICAP (Microwave imager combined active and passive): A new instrument for Chinese ocean salinity satellite", 《2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)》 *
牛立杰 等: "面向星载海洋盐度探测应用的L波段综合孔径辐射计原理样机研制与试验研究", 《电子与信息学报》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196445A1 (en) * 2018-04-08 2019-10-17 上海航天电子通讯设备研究所 Satellite-borne multiband one-dimensional synthetic aperture and one-dimensional real aperture microwave radiation detection method
CN109245833A (en) * 2018-10-17 2019-01-18 中国运载火箭技术研究院 A kind of comprehensive radio frequency TT&C system of spacecraft generalization
CN109245833B (en) * 2018-10-17 2021-08-10 中国运载火箭技术研究院 Universal comprehensive radio frequency measurement and control system for spacecraft
CN109541325A (en) * 2018-11-27 2019-03-29 上海航天电子通讯设备研究所 The spaceborne one-dimensional Synthetic Aperture Microwave radioactivity detection, identificationm, and computation of one kind and measurement method
CN109541325B (en) * 2018-11-27 2021-05-11 上海航天电子通讯设备研究所 Satellite-borne one-dimensional synthetic aperture microwave radiation measurement system and measurement method
CN109927938A (en) * 2019-02-21 2019-06-25 上海卫星工程研究所 Stationary orbit reality aperture microwave sounding satellite configuration
CN110554440A (en) * 2019-09-11 2019-12-10 上海航天测控通信研究所 Satellite-borne microwave radiation measuring system and measuring method
CN110470678A (en) * 2019-09-24 2019-11-19 上海航天测控通信研究所 A kind of satellite-borne microwave complex probe instrument
CN115291218A (en) * 2022-10-10 2022-11-04 中国电子科技集团公司第十四研究所 Homologous common-view multiband interference SAR test system
CN115291218B (en) * 2022-10-10 2022-12-09 中国电子科技集团公司第十四研究所 Homologous common-view multiband interference SAR test system

Also Published As

Publication number Publication date
WO2019196445A1 (en) 2019-10-17

Similar Documents

Publication Publication Date Title
CN108535725A (en) The microwave radiation detection method in the one-dimensional real aperture in the spaceborne one-dimensional aperture synthesis of multiband
CN101980048B (en) Antenna array forming technology-based ground-based radar system for space debris
CN106886021B (en) High Resolution Spaceborne SAR image quality method for improving
Schinckel et al. The australian SKA pathfinder
CN102288959A (en) Passive imaging system and method for millimeter wave focal plane
CN110632670B (en) Multi-frequency-point reconfigurable electromagnetic surface rapid imaging method
CN1163761C (en) Forward multiple-base line interference type synthetic aperture microwave radiometer and its design method
CN102253387B (en) Dual-mode radiometer system for millimetre-submillimetre waves
CN102520408B (en) Three-dimensional imaging method for three-dimensional imaging system with cylindrical array surface
CN106291545B (en) A kind of imaging system and its imaging method based on programmable artificial electromagnetic surface
CN107942295A (en) A kind of sparse antenna of forward sight array SAR system
Sheen Sparse multi-static arrays for near-field millimeter-wave imaging
CN108693507A (en) A kind of multiband scanning calibration and radiation detecting system based on figuration torus antenna
CN110554440A (en) Satellite-borne microwave radiation measuring system and measuring method
CN111239502B (en) Distributed microwave radiometer system based on leaky-wave antenna
Wannberg et al. EISCAT_3D: a next-generation European radar system for upper-atmosphere and geospace research
Mathur A pseudodynamic programming technique for the design of correlator supersynthesis arrays
Liu et al. A combined L-band synthetic aperture radiometer and fan-beam scatterometer for soil moisture and ocean salinity measurement
CN108519600A (en) A kind of building method and system of synthetic aperture radiometer augmentation covariance matrix
Cottony et al. A high-resolution rapid-scan antenna
Chen et al. Design of 8mm-band aperture synthetic radiometer and imaging experiment
McKay et al. All-sky interferometric riometry
CN208608362U (en) A kind of low frequency radio antenna
Sukumar Ooty synthesis radio telescope-Design and performance
Li et al. Extreme high wind speed monitoring with spatial resolution enhancement of HY-2B SMR brightness temperature

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180914

RJ01 Rejection of invention patent application after publication