30 April 2003 Schematic design of integrative return signal simulator of satellite altimeter and scatterometer
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Abstract
A scheme of Integrative Return Signal Simulator (IRSS) of satellite altimeter and scatterometer is designed. The IRSS realized by the scheme can compensate the insufficiency of general measure and calibration equipment. It can calibrate easily the transfer function of satellite altimeter and scatterometer and test the property of software and hardware in laboratory and launching site. The IRSS is based on the principle of the pulse regeneration and the return signal is synthesized at digital method. The scheme can realize modulation of pulse width and Doppler frequency shift for return signal. The problems such as accurate delay of radio-frequency and the phase difference shift and so on can be resolved. The simulation results show that the synthesized return signal not only may satisfy fully the statistical law of actual return signal but also can include information concerned for testing the property of altimeter and scatterometer. The method lays a reference for developing other type of Return Signal Simulator (RSS) in future.
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Xiaohui Zhang, Wei Guo, "Schematic design of integrative return signal simulator of satellite altimeter and scatterometer", Proc. SPIE 4894, Microwave Remote Sensing of the Atmosphere and Environment III, (30 April 2003); doi: 10.1117/12.466192; https://doi.org/10.1117/12.466192
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KEYWORDS
Satellites

Calibration

Doppler effect

Modulation

Backscatter

Oscillators

Attenuators

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