用DCT进行最小二乘相位估值的求解
摘 要
已知相位差进行相位估值，在干涉雷达，自适应光学，补偿式成像，图象处理等方面起着关键作用。文中以２－范数的概念，推证了最小二乘相位估值问题可以转化成泊松方程，并用离散余弦变换（DCT）的方法进行求解，效果很好。
关键词
DCT Based Algorithm for Least Squares Phase Estimation
() Abstract
The estimation of phases from measurements of phase differences plays an important role in radar interferometry, adaptive optics, compensated imaging and image processing. The derivation of Possion's equation from the least squares estimation with the concept of the 2 norm is presented in this paper. It has been shown that the equation can be solved by use of the cosine transforms.
Keywords
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