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公司最近项目做的一个DDC（数字下变频）simulink建模模型 真情奉献给大家(this is a project about digital down-converter,it is bulit with Simulink.)

将一个小波结构的矩阵反排成小波包结构矩阵，根据最高的分解层次，将原图3*level+1块分开赋给矩阵以便单独操作，按从上到下，从左到右的顺序(Anti-matrix of a wavelet structure arranged in wavelet packet structure matrix, according to the highest level of decomposition, the original 3* level+1 separate assigned to the matrix in order to operate independently from top to bottom, left to right order)

该程序对于重力异常的数据可以进行导数换算，对于重力数据处理有很大的用处。(The procedure for the gravity anomaly data can be derivative conversion, is very useful for processing gravity data.)

在电网电压不平衡条件下，采用陷波器不能消除2 的震荡，且也不能对谐波消除。研究发现电压的正序和负序的振荡分量相吻合。不平衡整流(Under the condition of unbalanced power grid voltage, PWM rectifier)

Basics of OFDM and CDMA. The IEEE 802.11a standard. Physical Layer Challenges. Multipath causes signal fading - constructive and destructive addition.

一种改进的最近邻聚类算法，能够改进普通的最近邻聚类算法的不足(An improved nearest neighbor clustering algorithm, it is possible to improve the lack of common nearest neighbor clustering algorithm)

harris corner harris corner

联合开发网 - pudn.com

Fast Total Variation Deconvolution Package

基于光滑l0范数和修正牛顿法的压缩感知重建算法，算法简单有效，具有较好的计算精度(Compressed sensing reconstruction algorithm of smooth l0 norm and correction based on Newton method)