RU2014100672A - METHOD FOR FRONTAL SYNTHESIS OF EARTH SURFACE APERTURE WITH EXCLUSION OF BLIND ZONES IN THE FRONT ZONE BY USING A MULTI-POSITION RADAR SYSTEM - Google Patents
METHOD FOR FRONTAL SYNTHESIS OF EARTH SURFACE APERTURE WITH EXCLUSION OF BLIND ZONES IN THE FRONT ZONE BY USING A MULTI-POSITION RADAR SYSTEM Download PDFInfo
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Abstract
Способ фронтального синтезирования апертуры земной поверхности с исключением слепых зон в передней зоне с помощью многопозиционной радиолокационной системы, включающий от 2-х до N двухантенных систем с фазированными решетками, бортовые радиолокационные станции, устройства для обеспечения канала связи, отличающийся тем, что фронтальный участок земной поверхности посредством переднебокового обзора синхронно облучают зондирующими сигналами с помощью двух антенн с фазированными решетками, которые находятся на борту летательного аппарата (ЛА), при этом приемопередающие позиции, в зависимости от протяженности облучаемого фронтального участка земной поверхности, находятся на расстоянии d друг от друга таким образом, что облучаемые соседние зоны имеют перекрытие, и отраженные сигналы, принятые двумя антеннами, на борту каждого из N ЛА, сориентированные по заданному направлению для левого и правого переднебокового обзора, накапливают отраженные сигналы, и при их обработке формируют два радиолокационных изображения высокого разрешения от облучаемых участков земной поверхности в направлении облучения двух антенн, что осуществляют путем использования алгоритма синтезирования апертуры, после чего на одном из N ЛА по каналу связи синтезируют радиолокационные изображения от каждого из N ЛА, тем самым получают радиолокационное изображение высокого разрешения в реальном масштабе времени в передней зоне, исключая слепые зоны.A method for frontal synthesizing an aperture of the earth’s surface with the exception of blind spots in the front zone using a multi-position radar system, comprising from 2 to N two-antenna systems with phased arrays, airborne radar stations, devices for providing a communication channel, characterized in that the frontal portion of the earth’s surface by means of the anterolateral view, they are synchronously irradiated with sounding signals using two phased array antennas located on board the aircraft that (LA), while the transceiver positions, depending on the length of the irradiated frontal portion of the earth's surface, are at a distance d from each other so that the irradiated neighboring zones have overlap, and the reflected signals received by two antennas are on board each of N Aircraft oriented in a given direction for the left and right anterolateral view accumulate reflected signals and, when processed, form two high-resolution radar images from irradiated sections of the earth’s surface data in the direction of irradiation of two antennas, which is carried out using the aperture synthesis algorithm, after which on one of the N LAs the radar images from each of the N LAs are synthesized via a communication channel, thereby obtaining a high-resolution real-time radar image in the front zone, excluding blind spots.
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RU2014100672/07A RU2560082C2 (en) | 2014-01-09 | 2014-01-09 | Method for frontal earth surface aperture synthesis with exclusion of blind zones in front zone using multi-position radar system |
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RU2014100672/07A RU2560082C2 (en) | 2014-01-09 | 2014-01-09 | Method for frontal earth surface aperture synthesis with exclusion of blind zones in front zone using multi-position radar system |
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RU2014100672A true RU2014100672A (en) | 2015-07-20 |
RU2560082C2 RU2560082C2 (en) | 2015-08-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110927716A (en) * | 2019-12-11 | 2020-03-27 | 中国航空工业集团公司沈阳飞机设计研究所 | Radar scanning terrain blind spot and blind spot shielding determination method thereof |
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RU2614041C1 (en) * | 2016-04-06 | 2017-03-22 | Акционерное общество "Научно-производственное предприятие "Радар ммс" | Method for generating image of the ground surface in radar station with antenna aperture synthesis |
RU2703996C2 (en) * | 2019-03-26 | 2019-10-23 | Акционерное общество "Концерн "Гранит-Электрон" | Method of target location in front viewing areas of on-board radar stations of two-position radar system |
RU2756904C1 (en) * | 2020-08-24 | 2021-10-06 | Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет аэрокосмического приборостроения" | Device for multi-angle multi-position synthesis of a complex image of the earth's surface |
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US7002508B2 (en) * | 1999-01-21 | 2006-02-21 | Eads Deutschland Gmbh | Method for interferometric radar measurement |
RU2278398C2 (en) * | 2004-07-06 | 2006-06-20 | Игорь Викторович Сахно | Method for producing radiolocation image of earth surface by means of using multi-positional radiolocation system with synthesized aperture of antenna |
RU2310886C1 (en) * | 2006-02-07 | 2007-11-20 | Открытое акционерное общество "Концерн радиостроения "Вега" | Space multimode polarimetric radar with syntesized aperture with scanning reflector-type aerial |
JP5040549B2 (en) * | 2007-09-20 | 2012-10-03 | 日本電気株式会社 | Synthetic aperture radar, compact polarimetry SAR processing method, program |
RU2009111512A (en) * | 2009-03-31 | 2010-10-10 | Открытое акционерное общество "Межгосударственная акционерная корпорация "Вымпел" (RU) | METHOD FOR REMOTE SENSING USING THE MULTI-POSITION RADAR SYSTEM AND A DEVICE FOR ITS IMPLEMENTATION |
RU103935U1 (en) * | 2009-03-31 | 2011-04-27 | Открытое Акционерное Общество "Межгосударственная Акционерная Корпорация "Вымпел" | EARTH REMOTE SENSING DEVICE USING THE MULTI-POSITION RADAR SYSTEM |
FR2944110B1 (en) * | 2009-04-07 | 2013-02-15 | Thales Sa | MULTI-MODE FLOATING SURVEILLANCE AIRPORT RADAR |
DK2284569T3 (en) * | 2009-07-16 | 2013-07-15 | Eads Deutschland Gmbh | Automatic focusing of SAR raw data on the basis of the estimation of the phase error function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110927716A (en) * | 2019-12-11 | 2020-03-27 | 中国航空工业集团公司沈阳飞机设计研究所 | Radar scanning terrain blind spot and blind spot shielding determination method thereof |
CN110927716B (en) * | 2019-12-11 | 2023-02-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Radar scanning terrain blind spot and blind spot shielding determination method thereof |
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