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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >An Analytical Method of Updating the Range Derivatives and a Simple Image Registration Method for the MSR-Based Range Doppler Algorithm
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An Analytical Method of Updating the Range Derivatives and a Simple Image Registration Method for the MSR-Based Range Doppler Algorithm

机译:基于MSR的距离多普勒算法的更新范围导数的解析方法和简单的图像配准方法

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摘要

Based on the method of series reversion, Neo developed a quite accurate range Doppler algorithm (RDA). In performing this RDA, the range derivatives need to be updated along the range. In this letter, first, we will give an analytical method to update the range derivatives for this RDA. The proposed method mainly exploits two points the first is the introduction of a reference vector on the ground plane of the bistatic geometry, and the second is the use of the principle of series reversion. Second, based on this new method of updating the range derivatives, we present a simple image registration method for mapping the focused image onto the ground plane, which needs a 1-D interpolation only in the range direction. Third, a motion compensation method is also proposed.
机译:Neo基于序列回归的方法,开发了一种相当精确的距离多普勒算法(RDA)。在执行此RDA时,需要沿范围更新范围导数。在这封信中,首先,我们将提供一种分析方法来更新此RDA的范围导数。所提出的方法主要利用两点,第一点是在双静态几何体的地平面上引入参考向量,第二点是利用级数反转原理。其次,基于这种更新距离导数的新方法,我们提出了一种用于将聚焦图像映射到地面的简单图像配准方法,该方法仅需要在距离方向上进行一维插值。第三,还提出了一种运动补偿方法。

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