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This paper made a coherence analysis to access the ability of snow extraction based on the Terra-SAR X-HH data, and develop a method using multi-temporal coherence combined with the traditional method. Two pairs of Terra-SAR data with the same temporal baseline and similar spatial baseline were chosen, before and after snowfall. Traditional method was used to remove the snow free area with relative...
A direction finding algorithm of two-dimensional circular array phase interferometer with three antennas is introduced. The expressions of pitch angle and azimuth are given, and they can be extended to two-dimensional circular array phase interferometer with more antennas. We also analyze the factors that caused the error and propose a correction method using known source to solve the problem of phase...
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