搜索资源列表
JPEG2000_9_7_002.pdf
- 基于实数的二进制表示法，把CDF(Cohen，Daubechies and Feauveau)9／7双正交小波基的提升系数化为二进制，采用简单的移位一加操作代替结构复杂的浮点乘法器，从而实现了JPEG2000中9／7离散小波变换的定点计算．相对于浮点计算法，移位一加操作最大的优点是计算简单，特别易于超大规模集成电路实现，因而使硬件实时处理图像信号成为可能．实验仿真结果表明：在低压缩比的情况下，用移位一加操作重构的图像，其峰值信噪比(PSNR)只比浮点法低0．10 dB，当压缩比增大时，其PSNR
Generatednoisypolynomialsignal
- 生成含噪的多项式信号一维小波分解重构第1-4层逼近系数-Noisy polynomial signal is generated one-dimensional wavelet reconstruction of the first approximation factor of 1-4 layers
matlab_multiwavelet_toolbox.tar
- 这是一个Matlab实现的图像Multiwavelet程序，用于计算图像的Framelet系数。-This is a Matlab implementation of image Multiwavelet procedures used to calculate the image Framelet factor.
Wavelet_denoise
- 将小波分解，每层分解的系数用软域值处理，实现小波域值去噪。-Wavelet decomposition, the decomposition of each factor with a soft threshold processing, and wavelet denoising.
qiyidian
- MATLAB 以cgau为小波基小波变换后，利用系数求解模极大值点-MATLAB to cgau WAVELET transform the utilization factor for solving the modulus maxima point
LFMxinhaofenxi
- 仿真LFM信号，针对不同采样频率下的DFT结果，观察不同时域带宽因子TBP的LFM信号频谱以及实现无误差的脉冲压缩。-Simulation LFM signal DFT results for different sampling frequencies observed the domain bandwidth factor TBP LFM signal spectrum and to achieve error-free pulse compression.
ori-attn
- MATLAB function to initialize and call the solve_sps2d function, which implements a 2-D solution of the nonlinear wave equation using a psuedospectral / staggered A-B method, including attenuation modeled with two relaxation mechanisms
shuzichulikechengsheji
- 数字处理课程设计的程序，里面包括有褶积滤波，快变滤波，褶积滤波与递归滤波的比较，设计高通滤波因子，分析补零对振幅谱的影响，线性褶积和循环褶积，最小平方反滤波，零相位转换，最小相位转换，对地震记录进行静校正11个程序-Digital Processing course design program, which includes the convolution filter, quick change filter, compare convolution filtering and recurs