Multi-channel polarized SAR (Synthetic Aperture Radar) system and method for simultaneously realizing along-track and tangent-track interference
The invention discloses a multi-channel polarized SAR (synthetic aperture radar) system and method for simultaneously realizing along-track and tangent-track interference, and the system comprises two sets of X-band fully-polarized antennas, two sets of X-band frequency conversion receivers, a set o...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
01.11.2022
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Abstract | The invention discloses a multi-channel polarized SAR (synthetic aperture radar) system and method for simultaneously realizing along-track and tangent-track interference, and the system comprises two sets of X-band fully-polarized antennas, two sets of X-band frequency conversion receivers, a set of digital single machine, a set of reference source, a set of excitation source, a set of internal calibrator, two sets of wave control machines, two sets of servo and two sets of position and attitude measurement devices. Comprising an SAR mode, a reference calibration mode, a receiving calibration mode, a transmitting calibration mode, formation of along-track and tangent-track interference baselines, design of a high-precision time-sharing internal calibration time sequence, keeping of signal consistency, avoidance of aliasing of calibration signals, design of a unified transceiving time sequence of two antennas, avoidance of overlapping of transmitting and receiving windows, and unified control of beam pointing |
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AbstractList | The invention discloses a multi-channel polarized SAR (synthetic aperture radar) system and method for simultaneously realizing along-track and tangent-track interference, and the system comprises two sets of X-band fully-polarized antennas, two sets of X-band frequency conversion receivers, a set of digital single machine, a set of reference source, a set of excitation source, a set of internal calibrator, two sets of wave control machines, two sets of servo and two sets of position and attitude measurement devices. Comprising an SAR mode, a reference calibration mode, a receiving calibration mode, a transmitting calibration mode, formation of along-track and tangent-track interference baselines, design of a high-precision time-sharing internal calibration time sequence, keeping of signal consistency, avoidance of aliasing of calibration signals, design of a unified transceiving time sequence of two antennas, avoidance of overlapping of transmitting and receiving windows, and unified control of beam pointing |
Author | XIA XUE LOU LIANGSHENG LIU ZHIMING WANG DING LIU AIFANG MIAO YUZHE DONG XIAOHUAN ZHAO HAOHAO CHEN GANG HUANG LONG |
Author_xml | – fullname: HUANG LONG – fullname: XIA XUE – fullname: CHEN GANG – fullname: DONG XIAOHUAN – fullname: MIAO YUZHE – fullname: ZHAO HAOHAO – fullname: LIU ZHIMING – fullname: LIU AIFANG – fullname: LOU LIANGSHENG – fullname: WANG DING |
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DocumentTitleAlternate | 一种同时实现顺轨和切轨干涉的多通道极化SAR系统及其方法 |
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Snippet | The invention discloses a multi-channel polarized SAR (synthetic aperture radar) system and method for simultaneously realizing along-track and tangent-track... |
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SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
Title | Multi-channel polarized SAR (Synthetic Aperture Radar) system and method for simultaneously realizing along-track and tangent-track interference |
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