buckk

说明：  基于matlab矩阵形式的huffman编码(Matrix based on the huffman coding matlab)

对原始语音进行上采样和下采样，分析对比他们的时域图和频谱图。最后对比原始语音、75HZ激励、150HZ激励以及噪声激励下的效果(SOME SIMPLE MANIPULATIONS OF SOUND USING DIGITAL SIGNAL PROCESSING The original sound and its spectrogram Downsampling the waveform downsampling Upsampling the waveform Linear filtering the waveform Original speech The source-filter model of speech Speech with 75-Hz excitation Speech with 150-Hz excitation Speech with noise excitation)

matlab 代码，实现softmax的多分类(Matlab code, the realization of softmax classification )

说明：  在抗干扰算法中，对抗干扰权加Chebyshev窗，以降低副瓣电平，使方向图更好(In the anti-jamming algorithm, Chebyshev window on the right and interference to reduce the sidelobe level, so that pattern better)

说明：  Adaptive control, backstepping method Application on machine asynchrony , programming with Matlab

Audio Stegnography by using LSB Agorithms...

说明：  先进PID控制及其MATLAB仿真（刘金锟）.rar(Advanced PID Control and MATLAB simulation (Liu Kun). Rar)

MATLAB中的基本语法和语句示例代码，MATLAB中基本的知识，具有实用性(MATLAB basic grammar and sentence sample code, MATLAB basic knowledge, practical)

Spread spectrum merupakan sistem dimana sinyal yang dikirimkan memiliki bandwidth yang jauh lebih lebar daripada bandwidth sinyal informasinya sendiri. Proses pelebaran bandwidth sinyal informasi ini dilakukan pada sisi pengirim dan disebut spreading. Sebaliknya, proses penyempitan kembali bandwidth sinyal informasi dilakukan di sisi penerima, dan disebut despreading. Pada gambar 1 berikut menunjukkan proses yang terjadi pada sistem spread spectrum.

STFT短时傅里叶变换，针对一个和两个调频信号进行分解，变换结果可以显示(STFT transform for a short time, and two FM signal decomposition, transform the results can show)