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Pulse code modulation matlab code

ofdm snr is designed for signals

这是基于MATLAB的电子稳像程序，效果还可以，希望对大家带来帮助(This is a MATLAB-based electronic stabilization program, the effect can be, we want to be helpful)

说明：  Contrast enhancement using histogram equalization

matlab应用技术chapter7 ppt(matlab application technology chapter7 ppt)

包括内插，还有成形滤波器等等调制时所用的matlab文件(Including interpolation, as well as shaping filter modulation, etc. used by the matlab file)

首先录入一段音频，在通过matlab软件对该音频进行处理，识别出他的波峰波谷，频率变换，然后输出。(First, an audio input, matlab software through the audio processing, identify the peaks and valleys of his, frequency conversion, and output.)

FSK调制解调程序，中频是15Mhz的，一个码元采样点250个(FSK modulation and demodulation process, 15Mhz IF yes, a symbol 250 sampling points)

用matlab对图像的7个不变矩特征进行提取，并进行归一化。亲测可用，适合初学者。(Matlab for image seven moment invariant features were extracted and normalized. Pro-test is available for beginners.)

ecg signal compression using fft dst