...∑∑W j k v j 0 k v j k x 1 Wu 0 k M ∑ f xu 0 k x x 一般选M为2的整数次幂 1 Wv j k M ∑ f xv x j k x 快速小波变换(FWT): 快速小波反变换: 2-D 小波函数 :vHxy、 vvxy、 vDxy其中 H、V、D 分别指示水平、垂直和对角方向。
In this article, we propose a fast correlation algorithm of multiple PN code by fast Walsh Transform (FWT).
本文提出了一种利用快速沃尔什变换(FWT)实现对复合码进行快速相关的算法。
2
By means of the dual evolution, the external and internal ordering technique for the Walsh transform (FWT) was introduced and four kinds of ordering analyzed respectively.