Processing strategies for Doppler-resolved radar ice sounding data
Geoscience and Remote Sensing Symposium, 2000. Proceedings. IGARSS 2000. IEEE 2000 International（2000）
摘要
The delay Doppler algorithm, derived originally for radar altimetry over the ocean, provides a direct observation of the reflected signal's angular scattering function. This function can be the limiting factor in near-vertical radar reflections from ice sheets. Maximum SNR detection of these reflections requires that the angular scattering function be matched by the processor. This paper describes two strategies to help achieve this objective: presumming and zero-padding
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关键词
doppler radar,geophysical signal processing,glaciology,hydrological techniques,planetary satellites,planetary surfaces,radar signal processing,radioastronomical techniques,remote sensing by radar,doppler-resolved radar,angular scattering function,delay doppler algorithm,hydrology,ice sounding,icy satellite,maximum snr detection,measurement technique,near-vertical radar reflection,planetary satellite,planetary surface,polar ice sheet,presumming,processing strategy,radar astronomy,radar remote sensing,radioastronomy,zero-padding,limiting,ice sheets,limiting factor,altimetry
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