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QC_codes
Construct the short length of QC LDPC codes without girth 4 and girth 6(The Program to construct the short length of QC LDPC codes without girth 4 and girth 6
Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn.
This program presents an approach [1] for constructing the short length of LDPC codes with girth 8. First, we design 3 submatrices with different shifting functions given by our schemes, then combine them into a matrix according to our approach, finally, expand the matrix into a desired parity-check matrix using identity matrices and cyclic shift matrices of the identity matrices.
The simulation results in AWGN channels show that the codes which can be obtained by the generator matrix derived from this check matrix for encoding the random information bits are as good as random LDPC codes [1].
Ref:
[1] J. Fan, Y. Xiao, “A design of LDPC codes with large girth based on the sub-matrix shifting”, IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006), (CP525), p. )
- 2009-05-28 16:00:14下载
- 积分：1
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EFOP
Empirical Frequency Domain Optimal Parameter Estimation (EFDOP)
- 2015-01-31 18:22:00下载
- 积分：1
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ompbox9
稀疏分解工具包，采用OMP算法，可用于稀疏字典的构造，压缩感知等领域(Sparse decomposition tool kit, using OMP algorithm, can be used for the construction of sparse dictionary, compressed sensing and other areas)
- 2009-10-29 09:01:02下载
- 积分：1
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filter
这是基于MATLAB下的XILINX的FPGA的FIR滤波器的模型设计文件(This is a MATLAB-based FPGA of the XILINX Model of the FIR filter design documents)
- 2009-06-24 13:36:51下载
- 积分：1
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parmatlab177
A very small 250-line library (written entirely in MATLAB) that allows multiple MATLAB programs to talk to each other, so that hundreds of processors can work together.
- 2005-07-26 15:58:04下载
- 积分：1
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music
用MUSIC算法和改进的协方差算法实现的功率谱估计(MUSIC algorithm and the modified covariance algorithm of power spectrum estimation)
- 2012-06-27 20:00:20下载
- 积分：1
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BCI-MORLET
matlab code for morlet transform
- 2012-07-25 05:08:07下载
- 积分：1
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ssim
matlab code of ssim of image quality
- 2020-10-20 17:27:24下载
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logmapo
说明： 超宽带通信仿真程序，脉冲成型仿真技术(ultra-wideband communications simulation program, pulse shaping simulation technology.)
- 2006-04-13 13:51:33下载
- 积分：1
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haffman_code
自己写的haffman编码源代码，用matlab实现的，欢迎指正。(himself wrote the source code haffman coding using Matlab to achieve, and welcome correction.)
- 2007-04-01 12:45:37下载
- 积分：1
