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sparseMRI_v0.2.tar
- 此代码用于完成MRI图像的压缩采样重建。它是论文"Sparse MRI: The Application of Compressed Sensing for Rapid MR Imaging", 2007中的源码-This is an implementation of Compressed Sensing reconstruction for MRI data. It implements the non-linear conjugate sub-gradient algorithm as
resample2
- 重采样MATLAB程序2例参考程序。用于对信号进行不同采样频谱的采样-resampling
fuzzyPID
- 某工业系统可等效为二阶环节带延迟...且执行机构具有0.07的死区和0.7的饱和区。采样时间T=0.01；系统的输入r(t)=1.5 要求1）设计一模糊控制器，使系统输出尽快跟随系统输入；2）模糊控制与PID控制的性能进行比较；3）系统有无延迟性能进行比较-An industrial system can be equivalent to second-order part of the implementing agencies with a delay ... and the dead
code
- 用Matlab进行BPSK系统发送、接收端的仿真，含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率，并绘制BER曲线-Matlab simulation of BPSK receiving system，including AWGN channel, match filter, down sample,demodulation and BER calculation
image1
- 利用多项式纠正(一次项)进行几何纠正，纠正过程采用反解法，重采样方法采用双线性内插。-The use of polynomial corrected (one-time items) for geometric correction, correct the process of adoption of anti-solution, re-sampling method using bilinear interpolation.
FSK
- 预先设定载频、采样率、码速率、信息代码个数和信噪比等参数，进行FSK信号的调制解调。-Pre-set carrier frequency, sampling rate, bit rate, information, code number and signal to noise ratio and other parameters for FSK signal modulation and demodulation.
ZHAO_OFDM
- 这个程序除了接收机同步、信道编码没有加入外，基本上反映了一个OFDM系统的特性： 1. qpsk/16qam/64qam映射、解映射 2. OFDM调制解调（循环前缀，FFT等） 3. 非整数采样时刻多径时延的多径信道 4. Rayleigh或者Rician多径信道 5. 信道的连续时变（非block fading） 6. 线性插值信道估计 7. FFT变换域插值信道估计-In addition to this program receiver synchroniza
Sampling_theorem
- 采样定理的simulink仿真，验证奈奎斯特率的影响。-Sampling theorem simulink simulation to verify the Nyquist rate.
codegen_digitizg
- 用于将GPS传送的信号以一定的采样速率离散化，方便以后进行FFT运算-GPS signals used to transmit a certain discrete sampling rate, FFT operation to facilitate a later
modelcs
- 压缩感知 ：非传统采样的模型实例和众多应用-model based compressivetoolbox
fundamentalMatrix
- 采用两幅图之间的极几何信息，对采样的兴趣点进行过滤，提取出满足内容匹配和几何信息矫正的点-Interest detection by using multi-view geometry information
ParticleFilter
- 此粒子滤波程序采用重采样算法，用于二维平面目标跟踪-This procedure uses resampling particle filter algorithms for two-dimensional plane tracking
OK
- 用MATLAB对 22.05 KHz WAV音频文件进行重采样，采样频率为8KHz，以适应语音通信系统。-Using MATLAB, 22.05 KHz WAV audio files for re-sampling, the sampling frequency of 8KHz, to meet the voice communication system.
mp3readandmp3write
- mp3read和mp3write是直接写在wavread更换和wavwrite访问MPEG音频MP3文件。其特点包括： -旨在重复wavread完整语法和wavwrite -还支持上的动态下采样和渠道mpg123的合并-文件优化的很长的MP3 -只需要解码的部分-使用popen函数进行编码，以避免大量临时文件（可用时-看到我popenw墨西哥） -试图消除写保护回路的时间序列文件/通过阅读“热身”样本-包括辅助二进制软件包在Linux，Windows，Mac的PPC的，苹果，英特尔，和Mac英特
Nonsampling_Contourlet
- 非下采样contourlet变换是一种较新的多尺度几何分析方法，能够很好地描述信号的线奇异特征，具有多方向滤波器组。-Nonsubsampled contourlet transform is a relatively new method of multiscale geometric analysis, can well describe the signal characteristics of the line singularity, with multi-directional fi
nonuniformsampling
- 实现了非均匀采样线性调频信号的精确重建，主要分为两部分：实现对线性调频信号的非均匀采样；非均匀采样重建。-A perfect reconstruction algrithm for non-uniform sampling LFM signals.
shicha
- 基于随机采样的视差平面拟合-Based on random sampling of disparity plane fitting
Norma_Used_Functions
- 用于从图像中提取不同大小的块，采样可选为重叠，不重叠和随机，以及由块恢复图像的三个函数-Used to extract from the image blocks of different sizes, optional sampling overlapping, non-overlapping and random, and by block to restore the image of the three functions
soundchange
- 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 Li
eigen
- 此程序为用matlab编写的基于最小二乘法通过求解广义矩阵特征值及特征向量进行椭圆曲线拟合程序。 程序中x,y分别为采样点的横纵坐标。生成的结果矩阵为椭圆曲线aX^2+bXY+cY^2+dX+eY+f=0中的各项系数。-This program was written with matlab by solving the generalized least square method based on matrix values and eigen vectors of the ellipt