This paper advances a new beam-forming algorithm aiming at the characteristic of spatial smoothing technology, and carries out theoretical analysis.
针对空间平滑技术这一特点提出了一种新的波束形成算法，并进行了理论分析。
Through the analysis of many representative spatial domain watermarking algorithm, a novel image spatial domain blind watermarking algorithm was presented.
通过对多种空域水印算法优缺点的分析，提出了一种新的图像空域盲水印算法。
Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.
多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。
Cluster analysis is a method of spatial data mining. Clustering algorithm can find some useful clustering structures directly from spatial data base.
聚类分析是空间数据挖掘的一种方法，聚类算法能从空间数据库中直接发现一些有用的聚类结构。
At last, the adaptation conditions of above spatial index methods are discussed during their algorithm analysis.
最后，在算法效率分析的基础上，对两种索引方法所适应的条件进行了讨论。
Based on the above analysis, the article gives coal analysis system's hardware structure and software algorithm, and this system is based on spatial digital image processing.
鉴于以上分析，文章给出了基于空间域数字图像处理的煤岩分析系统的硬件构成，软件介绍。
Finally, according to the definition of difference, this article judges the imperceptibility of watermark algorithm for the GIS vector data through the operation of spatial analysis.
最后，本文从差异性定义出发，通过空间分析操作，判断面向GIS矢量数据水印系统的不可感知性。
Finally, according to the definition of difference, this article judges the imperceptibility of watermark algorithm for the GIS vector data through the operation of spatial analysis.
最后，本文从差异性定义出发，通过空间分析操作，判断面向GIS矢量数据水印系统的不可感知性。
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