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数字信号处理第九章 IIR滤波器的设计 代码实现(Digital Signal Processing Chapter IX IIR filter design code)

lum_en_global全局亮度增强后的输出，用于调整图像全局亮度，类似人眼在不同亮度情况下，瞳孔的自动调解功能(lum_en_global=lum_en_global(img))

某自行车商店的仓库管理人员采取一种简单的订货策略,现有如下五种订货策略，试以150天进行仿真测试，选择一个使总费用最小的订货策略.(Inventory problems )

说明：  基于小波包的带通滤波器设计程序。给出了小波变换的快速算法和重构算法，讨论了应用小波变换进行信号带通滤波的方法，并通过正交小波包对信号的分解，把频率成分复杂的信号分解到各个频带上，根据需要提取指定频率的信号，然后用小波包重构算法对信号进行重构，实现对信号的提取。(Based on wavelet packet band-pass filter design program. Given the fast algorithm of wavelet transform and reconstruction algorithms are discussed using wavelet transform signal band-pass filtering method, and through the wavelet packet to signals can be decomposed, 把 frequency components of complex signal is decomposed into various frequency bands 上, according to need to extract the specified frequency signal, and then reconstructs the signal reconstruction algorithm to achieve the extraction of the signal.)

带过滤作用的收缩因子例子群算法，解决了早熟问题(Example of the shrinkage factor with filter swarm optimization)

随记减量法是从结构的随机振动响应信号中提取该结构自由衰减振动信号的一种方法-With the mind Reduction Act(Reduction Act is credited with random vibration response of the structure from the signal to extract the structure of a method-With free decay vibration signals the mind Reduction Act)

带海明窗的FFT滤波器，带通滤波器，附带批处理程序(FFT with Hamming window filters, band-pass filter, with a batch process)

仿真一个从卫星到区域数据中心的下行链路（由一组6个载波构成），评估热噪声，交调（IM）失真、由滤波器引起的码间干扰（ISI）以及临频干扰对下行链路性能的影响。(Simulation of a regional data center from the satellite to the downlink (from a group of six carrier composition) to assess the thermal noise, intermodulation (IM) distortion, caused by the filter ISI (ISI) and adjacent channel interference on the downlink link performance.)

Wilson Equation for liquid liquid extraction this equation is one of the most common equatiion for Gamma estimation

基于MATLAB平台的PSAT搭建的双馈风力发电机接入单机无穷大系统的模型(Based on the MATLAB platform PSAT structures of the doubly-fed wind turbine access single machine infinite bus system model)