BP-neural-network(BPNN)_new-version

清华大学EMC讲义，讲述了EMC现象，对EMC系统的处理方法，初学者可以下载了解一下(EMC)

说明：  OFDM自适应算法对比，将chow算法 hudges算法 fisher算法的各种信道条件统一化进行对比其优劣，可在其中修改初始条件以观察其在不同信道条件下的算法优劣(OFDM adaptive algorithm compared to chow fisher algorithm algorithm algorithm hudges various channel conditions to compare the pros and cons of harmonization, which modify the initial conditions in order to observe channel conditions in different advantages and disadvantages of the algorithms under)

集总元件电阻、电感、电容的模拟，用不同大小的电感和电容加载，看天线的辐射方向图，从而分析加载天线的特性(Lumped resistance, inductance, capacitance of the simulation, using different sizes of inductors and capacitors to load to see if the antenna radiation pattern, to analyze the characteristics of the antenna load)

用Mie理论计算双层粒子的散射角——散射光强曲线 1．RB1.m 计算第一类Ricatti-Bessel函数的函数 2．RB2.m 计算第二类Ricatti-Bessel函数的函数 3. Alegendr.m 计算角函数 和 的函数 4. MieCoeff.m 计算包覆粒子米尔系数的函数 5. Amp.m 计算散射光复振幅的函数 6. MieIntensity.m 画包覆粒子散射角-光强图 (Mie theory calculations using double-particle scattering angle- scattering intensity curve 1. RB1.m calculate the first class Ricatti-Bessel function of the function 2. RB2.m calculate the second category Ricatti-Bessel function of the function 3. Alegendr.m computing angle functions and function 4. MieCoeff.m coated particles Mill coefficient calculation function 5. Amp.m calculate the scattering amplitude recovery function 6. MieIntensity.m painting coated particle scattering angle- light intensity diagram)

一个齿轮转子动力学的模型及临界转速求解的matlab代码。(dynamics analysis of a gear system.)

This paper is a compilation of the book s problems Mitra digital signal processing 3 ed

一共四个小程序。实现QAM调制，QPSK调制，二元熵函数的绘制，迭代法求离散信道容量。(QAM,QPSK)

基于VS2008和Matlab R2010b版本的混合编程的实现 包含如何在Matlab R2010b生成dll 以及在VS2008中调用所做的设置操作过程(Based on VS2008 and Matlab R2010b version of the mix of programming realize how contains Matlab R2010b generated in VS2008 invokes the DLL and the operation process set)

说明：  和数字信号处理有关的MATLAB程序，应该会大家有用的(And digital signal processing the MATLAB program, we should be useful)

key material for engeering mathmatics!(key material for engeering mathmatics.)