In the third chapter, the concept of spatial decorrelation is explained.
在第三章中，首先解释了空间解相关的概念。
Firstly, the traditional whit ening method was analyzed and its essence of spatial decorrelation was pointed out.
首先对传统的预白化方法进行了分析，指出其本质就是空间去相关；
In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
在没有选择可用性条件下，差分gps定位精度完全取决于电离层的空间不相关性。
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