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A new method to implement IF simulation for ocean radar altimeter
Ke Xu; Heguang Liu; 北京8701信箱
Source PublicationProceedings of the Society of Photo-Optical Instrumentation Engineers (Spie)
AbstractThe IF simulator is an important equipment to test and calibrate spaceborne radar altimeter before launch. In this paper, a new IF simulation algorithm (IFSA) is introduced, based on which an IF simulator is developed successfully. The IF simulator is designed to provide simulated I/Q signals and related interface, so that the tracker of altimeter can be tested and calibrated in close-loop under the simulated circumstance. That means the IF simulator should have the ability to simulate the variety of the distance from the satellite to the sea surface, the significant wave height (SWH), the backscatter coefficient of the sea surface, the sea scattering noise, and the thermal noise of the radar altimeter electronic system. Besides IF simulation, IFSA can be used in RF simulator, and it has been proved to be correct and useful by lots of experiments. The IF simulator includes the monitor unit, the data processing unit, timing unit, D/A unit, buffer unit, and interface unit.
KeywordRadar Altimeter If Simulation Algorithm Test Calibration
Conference NameConference on Microwave Remote Sensing of the Atmosphere and Environment III
Conference Date2003
Conference PlaceHangzhou, Peoples R China
Indexed ByCPCI
Document Type会议论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Ke Xu,Heguang Liu,北京8701信箱. A new method to implement IF simulation for ocean radar altimeter[C]. BELLINGHAM:Spie-Int Soc Optical Engineering,2003:251-259.
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