In order to find out the feature patterns from multi-dimension space, the conventional approach is to separate feature space by assuming the distributed functions of all features in one time.
对于在特征空间中寻找特征模式，一般是通过假设分布函数一次性对样本空间进行分离的方法去试图获得特征空间的样本总体分布规律。
By choosing the suitable "referenced point" and defining "space Grade", this article gives geometry meaning to multi - dimension space.
本文通过选择合适的“参考点”和提出“空间级”概念，给出了多维空间的几何意义。
The technique is based on multi- dimension space transform, the realizing of this technique is convenience, and it is easy to control the secret key of frequency hopping.
该方法基于多维空间变换，构造频率转移函数简单方便，而且便于跳频密钥的管理和控制。
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