pcav.2.34

Matlab implementation of reading a wav file and decomposing it using wavelet transform and extract its wavelet coefficients.

MATLAB implementation of 4 different diffusion filtering algorithms. Better performance to remove noise than conventional low-pass filtering.

聚类分析matlab程序，用于对数据进行聚类分析(Cluster analysis matlab program)

基于MATLAB 的语音信号频谱分析与去噪研究 1、通过Matlab读入语音信号，进行频域分析 2、绘制语音信号频谱； 3、设计滤波器并进行滤波； 4、加噪，对比语音信号波形和频谱(Research on speech signal spectrum analysis and denoising based on MATLAB 1, read the voice signal through Matlab and analyze it in frequency domain. 2, draw the frequency spectrum of speech signal; 3. The filter is designed and filtered. 4. Add noise and compare the waveform and spectrum of speech signal)

波音727的数据和isar技术成像程序，希望对大家有帮助(Boeing 727 technical data and ISAR imaging procedures, we hope to help)

信号被窗函数截断，并做频谱分析，比较汉宁窗、三角窗等的特点(Window function signal is cut off, and do spectral analysis, comparing Hanning, triangular windows and other characteristics)

说明：  针对阀控式密闭铅酸蓄电池的直流法测试内阻，二次放电法(Sealed valve-regulated lead-acid batteries for the DC resistance test method, the second discharge method)

实现哈夫曼编码的matlab程序，可用于图像压缩处理，还可以计算出压缩率。(Matlab program to achieve Huffman coding can be used for image compression, the compression ratio can be calculated.)

HUFFMANN ALPHABETS CODEC using MATLAB

函数产生线性调频波信号，并画出实虚部和频谱。函数需要输入带宽，时宽和点数(produce LFM signal and figure it oth in tempral field and frequency field)