-
mpsk
用matlab编程实现多进制PSK，容易上手(modulation mpsk,using matlab)
- 2009-04-09 13:32:45下载
- 积分：1
-
2013TSP
通过并行压缩进行二维信号压缩，提出了一种利用并行压缩传感技术对二维信号进行压缩的新方案。根据这个原理，译码器的重新构造可以并行进行。通过对二维信号进行某些排列，可以确保所有列具有大致相同的密度级别，并且可以使用相同的测量矩阵进行采样。这样可以避免二维信号的矢量化，从而大大减小测量矩阵的尺寸。我们证明，如果排列良好，重建均方误差的上限会更紧。为了说明这一方案，我们将其应用于视频压缩并使用不同帧的排列有两种：参考帧的基于Z字形扫描的排列和非参考帧的基于块测试的排列。仿真结果表明，在相同的压缩比下，峰值信噪比比比在无置换情况下可提高3-7db左右。(we propose a new scheme to compress 2D signals using parallel compressed sensing. According to this seheme, the reeonstruction at the decoder can be performed in parallel. By performing certain permutation on a 2D signal, all columns are insured to have approximately the same density level and can be sampled using the same measurement matrix. In this way, vectorization of a 2D signal can be avoided, and thus the size of the measurement matrix can be dramatically reduced. We prove that with a good permutation, we can have a tighter upper bound on reconstruction mean square error. To illustrate this scheme, we apply it to video compression and use
two kinds of permutations for different frames: the zigzag-scanbased permutation for reference frames and the block-test-based permutation for non-reference frames. Simulation results show that under the same compression ratio, the peak signal-to-noise ratio can be improved by approximately 3-7 dB compared to the case without permutation.)
- 2019-01-12 22:48:49下载
- 积分：1
-
WFS
Computes WFS driving functions of a wfs-system, based on the 212 D Rayleigh I-Integral
- 2010-10-18 16:22:13下载
- 积分：1
-
maichongxiangying
脉冲响应不变法设计巴特沃斯数字低通滤波器(Impulse response invariant method design Butterworth digital low-pass filter)
- 2012-12-30 02:30:41下载
- 积分：1
-
Minkowski
Minkowski香肠线 迭代分形图 Matlab(Minkowski sausage line iteration fractal images)
- 2012-05-24 21:53:12下载
- 积分：1
-
thrust-lubtication-wiht-matlab
用matlab编写的五点差分法离散雷诺方程用SOR(超松弛迭代法)求解压力分布的源程序(thrust lubtication wiht matlab)
- 2021-03-23 17:39:15下载
- 积分：1
-
matlab-class
Matlab中几个经典的编程例子，很适合初学者(Matlab, the programming of several classic examples, it is suitable for beginners)
- 2011-04-27 21:24:21下载
- 积分：1
-
ENtropy-Sift
This Function Calculates The Difference of Gaussian
for SIFT feature detection
input parameter definition
1. Pyramid=image
2. NumOfLevel=levels to be calculated
3. InitSigma=initial variance of Gaussian
- 2013-11-26 21:36:05下载
- 积分：1
-
imagefeatureextractionmethod
桌红外图像特征提取方法研究。基于模糊核主成分分析的高光谱遥感影像特征提取研究。(Table infrared image feature extraction method.)
- 2010-11-14 16:08:17下载
- 积分：1
-
double-fedmachine
说明： 双馈电机数学模型，基于simulink，如果需要可以提供S函数的模型(Doubly-fed machine mathematical model, based on simulink, if necessary can provide a model S function)
- 2006-03-20 16:53:20下载
- 积分：1
