使用matlab实现的卡尔曼滤波器，并绘出滤波前后的信号波形-use Matlab to achieve the Kalman filter, the filter and draws before and after the signal waveform

这是一个matlab的实用程序，能够显示一系列无失真的波形， -This is a Matlab practical procedures, it will show a series without waveform distortion.

在MATLAB下实现FSK调制解调。并画出了每一步的波形以及功率谱密度图-in MATLAB under FSK modulation and demodulation. And the mapping out of every step of the waveform and power spectral density map

关于用matlab实现滤滤器中输入波形的采样点数-on using Matlab filter filter realization of the input waveform sampling points

利用MatLab软件，实现一种或几种循环码的编译码过程。再现编码和译码的步骤，绘制有关的性能曲线和波形图，并且能检错和纠错。-use MatLab software, to achieve one or a few recycling code encryption process. Reproduction coding and decoding steps, drawing on the performance curve and waveform map, and can, and err