matlab_7.0

读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比(Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation reconstruction image reconstruction images,and the signal-to-noise ratio)

本文介绍了数字信号处理中各种算法基本原理，包括Z 变换、DFT 变换及其快速 算法FFT 等信号变换算法和包括IIR 与FIR 数字滤波器的设计与实现，详细论述了利用 MATLAB 软件对信号变换和设计数字滤波器的原理﹑ 步骤和实现方法，并给出了基于 MATLAB 的模拟与仿真。文章最后给出了实验结果，并就其结果做了进一步的解释和说明。 关键词：Z 变换，离散傅立叶变换DFT，数字滤波器，系统结构仿真 (This article describes a variety of digital signal processing algorithms in the basic principles, including the Z transform, DFT transform and its fast algorithm FFT and other signal transform algorithm and including IIR and FIR digital filter design and implementation, discussed in detail by using MATLAB software, the signal transformation The principle and design of digital filters ﹑ steps and implementations, and gives MATLAB-based simulation and emulation. Article Finally, the experimental results and the results made on the further explanation and clarification. Key words: Z transform, discrete Fourier transform DFT, digital filter, system architecture simulation)

need source code for matlab

对三轴加速度出传感器的原始数据进行处理，平滑噪声，傅里叶fft(The raw data of the three-axis acceleration sensor is processed, smoothing the noise)

对雷达杂波分布为weibull功率谱为高斯谱的杂波模型进行仿真.(pair of radar clutter Weibull distribution of the power spectrum of the clutter spectrum Gaussian model simulation.)

Digital Signal Processing High Pass Filter for Discrete Human and Animal Sounds from mixed voice

matlab小波去噪例程，小波去噪基本实现功能，需要下载matlab自带的Wavelet Toolbox(Wavelet_denoising The basic function of wavelet denoising. It have to download the Wavelet Toolbox that comes with matlab.)

说明：  matlab编程的好工具 toolbar(toolbar welcome)

选取读入一份彩色图像，在运行Untitled.m程序时：先用鼠标交互的选取一个颜色区域作为你要与其他色彩分割的目标，，鼠标选取好后，按ENTER健后出现进行分割出现结果。 (Select a color image read in the run Untitled.m program: the first interaction with the mouse, select a color region as the color you want to split with other goals, the mouse selection is completed, press ENTER health appeared after the results of segmentation .)

C 程序 球面方位角算法： azimuth.cpp CRC校验快速算法： CRC_Table.cpp 解扰码算法： scrambler.cpp Matlab 程序 信号带宽测量： BandWith.m 带通信号下变频： fqmv.m QPSK 解调 demodQpsk.m pwelch求功率谱的算法 psdwh.m 均值滤波算法 cvmn.m 信号正交分解： Cnv2Bas.m(C procedures spherical azimuth algorithm: azimuth.cppCRC Fast Algorithm checksum: CRC_Table.cpp Descrambling code algorithm: scrambler.cpp Matlab signal bandwidth measurement procedures: BandWith.m bandpass signal down-conversion: fqmv.mQPSK demodulator for demodQpsk.mpwelch power spectrum algorithm psdwh.m mean signal filtering algorithm cvmn.m orthogonal decomposition: Cnv2Bas.m)