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downquad function for wavelet processing

用matlab对正弦信号进行不同采样频率的采样分析，并画出图形；matlab卷积源程序(The sampling and analysis of the sinusoidal signals of different sampling frequencies)

This is to simulate SBS in matlab

卡尔曼滤波算法和扩展卡尔曼滤波算法在目标跟踪到的应用(Kalman filter and extended Kalman filter algorithm to the application in target tracking)

sc-fde（单载波频域均衡）系统的定时功能仿真(sc-fde (single carrier frequency domain equalization) system timing functional simulation)

说明：  BP算法，BP训练源程序，希望对大家有帮助(BP training arithmetic)

计算固体力学的matlab程序以及运行结果。(FEM s matlab program and results)

快速自适应非局部sar降斑，bm3d处理图像效果非常不错，但复杂度太高，本文针对bm3d复杂度太高这一缺点，对算法计算方面作出改善；通过源程序文件可以很清楚了解作者思想(Fast Adaptive nonlocal sar Despeckling, bm3d image processing effect is very good, but the complexity is too high, the paper is too high for this shortcoming bm3d complexity of computing algorithm to make improvements can clearly understand what the author thought through the source files)

采用matlab编程，实现克里金差值算法(Using matlab programming, the difference between the kriging algorithm)

说明：  详细说明Matlab常见图像处理函数，方便Matlab的学习(Details Matlab common image processing functions, to facilitate the learning Matlab)