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帮忙翻译一下这篇文章,急需.两天后作废
Phase unwrapping is the reconstruction of a function on a grid given the value modulo 2 of the function on the grid. We refer to these two quantities as the unwrapped and the wrapped phase respectively. In the last few years an increasing interest has been devoted to phase unwrapping, mainly due to the developing of SAR interferometry, although there are applications of phase unwrapping in several other fields.
Basically all the existing phase unwrapping techniques start from the fact that it is possible to estimate the neighboring pixel differences of the unwrapped phase when these differences are less than . From these, the unwrapped phase can be reconstructed up to an additive constant. The methods differ in the way they overcome the difficulty posed by the fact that this hypothesis may be somewhere false, which cause the estimated unwrapped phase differences to be inconsistent, that is their "integral" depends on the integration path.
Phase unwrapping is the reconstruction of a function on a grid given the value modulo 2 of the function on the grid. We refer to these two quantities as the unwrapped and the wrapped phase respectively. In the last few years an increasing interest has been devoted to phase unwrapping, mainly due to the developing of SAR interferometry, although there are applications of phase unwrapping in several other fields.
Basically all the existing phase unwrapping techniques start from the fact that it is possible to estimate the neighboring pixel differences of the unwrapped phase when these differences are less than . From these, the unwrapped phase can be reconstructed up to an additive constant. The methods differ in the way they overcome the difficulty posed by the fact that this hypothesis may be somewhere false, which cause the estimated unwrapped phase differences to be inconsistent, that is their "integral" depends on the integration path.
相位展开的是重建一个函数,一个网格,由于价值模2的功能,对网格中.我们所说的这两个数量作为展开和结束阶段分别.在过去几年中一的兴趣与日俱增,一直致力于相位展开,主要是由于发展中国家的干涉SAR ,虽然有应用相位展开在其他几个领域.
基本上所有现有的相位展开技术开始从事实,即它是有可能的估计,周边像素的差异,该展开阶段时,这些分歧是少于.从这些,展开阶段可以重建起来,以一加常数.方法不同的方式,他们克服困难所造成的事实,即这种假设可能是某个虚假的,其中的原因估计展开阶段的差异不一致,那是他们的“积分”依赖于一体化的道路
基本上所有现有的相位展开技术开始从事实,即它是有可能的估计,周边像素的差异,该展开阶段时,这些分歧是少于.从这些,展开阶段可以重建起来,以一加常数.方法不同的方式,他们克服困难所造成的事实,即这种假设可能是某个虚假的,其中的原因估计展开阶段的差异不一致,那是他们的“积分”依赖于一体化的道路