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matlab实现的瑞利衰落信道仿真程序，实现方法是MEA方法(matlab realize the Rayleigh fading channel simulation program, is to realize MEA method)

实现维纳滤波器的设计，进过实践完全可行，请放心下载(Achieve Wiener filter design, into the practice entirely feasible, please rest assured download)

butterworth滤波器，可实现高通低通滤波(butterworth filter, low pass filter high-pass)

用matlab实现QPSK调制，各路信号的频谱，高斯白噪声信道(QPSK modulation to achieve with matlab, and the brightest signal of the spectrum, white Gaussian noise channel)

BP神经网络详解与实例，包括多种操作实例与演示说明(BP neural network Xiangjie instructions and examples, including a variety of operating instance with demo)

三电平三相三线制APF，在dq坐标系下进行电流环的控制，采用无差拍加前馈解耦的控制策略，调制方式采用svpwm方法，matlab2006b,高版本可能需要更换低通滤波器(Three-level three-phase three-wire APF, in the dq coordinate control current loop, using deadbeat plus feedforward decoupling control strategy, modulation using svpwm method, matlab2006b, high version may need to replace the low-pass filter)

使用matlab软件读取数值天气预报grib文件(Using the Matlab software to read the numerical weather grib files)

This is a code for admittance matrix formulation. Given that its inputs are bus, to bus, impedance, susceptance and tap transformer.

说明：  matlab实现的物体跟踪定位，精度高，可以实现实时跟踪定位(The object tracking and positioning realized by MATLAB has high precision and can realize real-time tracking and positioning.)

说明：  粒子滤波，用于对衰退数据的衰退模型的预测，同时也适用于状态跟踪 - 5(particle filter)