本次课程设计是用麦克风采集一段语音信号并对该语音信号进行滤波去噪处理。课程设计平台为MATLAB7.1。设计步骤为：首先采集一段语音信号并观察其频谱，然后设计一个汉明窗FIR滤波器，最后对该信号进行滤波。信号在进行滤波处理后，能够听到滤波后的语音信号和滤波前相比明显的变得清晰，基本达到了设计目的。,The curriculum design is a section of a microphone speech signal acquisition and filtering of the sp

数字信号课程设计，FIR的低通带通高通和IIR的低通带通高通滤波器的设计源程序以及主程序-Digital Signal curriculum design, FIR low-pass band-pass IIR high-pass and low-pass band-pass high-pass filter design, as well as the main program source code

arma 实现了数据从文件的输入，ar模型预测，arma模型预测，卡尔曼滤波器模型预测，利用图形用户界面编写-Realized the data from the file input, ar model predictions, arma model prediction, Kalman filter model predictions, using a graphical user interface for the preparation of-arma matlab实现了数据从文件的输入

射频低通滤波器、带通滤波器、Chebyshev滤波器等射频滤波器的设计。 对新手入门非常有用，也有助于老手进一步理解射频滤波器中各种器件 参数对滤波器幅度频率特性、相位频率特性的影响。(RF filters such as RF low pass filter, bandpass filter, Chebyshev filter and so on. It is very useful for beginners, and it helps the old hands to further