Ambiguity Problem in the Earth's Surface Altimetry(Sensing)

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概要

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• This paper addresses the ambiguity of radar altimetry related to the statistical nature of the Earth's surface roughness. A hypothetic altimetry method, which provides a simple way to quantify the measures of ambiguity, is proposed. Cramer-Rao lower bounds on the variances of estimates for the mean altitude and root-mean-square height of the sea surface are suggested as such quantitative measures. The accuracy of some types of air- and spaceborne radar altimeters is numerically analyzed against the derived lower bounds.

• 社団法人電子情報通信学会の論文
• 2007-11-01

著者

• Egorov Victor

  Space Research Institute

• KA Min-Ho

  Korea Polytechnic University

• Ka Min‐ho

  Korea Polytechnic University

関連論文

• Autocorrelation Function of Return Waveforms in High Precision Spaceborne Radar Altimeters Employing Chirp Transmit Pulses(Sensing)
• Ambiguity Problem in the Earth's Surface Altimetry(Sensing)

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