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turbo_sys_demo
- This scr ipt simulates the classical turbo encoding-decoding system. It simulates parallel concatenated convolutional codes. Two component rate 1/2 RSC (Recursive Systematic Convolutional) component encoders are assumed. First encoder is t
UWBpulse
- 基于切比雪夫函数逼近的超宽带脉冲设计方法及仿真-Based on Chebyshev Function Approximation of the ultra-wideband pulse design methods and simulation
LMS
- 采用一种快速收敛变步长LMS（Least mean square ） 自适应最小均方算法matlab源程序，其中算法所做的工作是用FIR 滤波器的预测系统，对IIR系统进行预测，如果阶数越高越能逼近被预测系统。-Using a fast convergence of variable step size LMS (Least mean square) adaptive least mean square algorithm matlab source, one of algorithm is t
GA
- GA.c：Density Evolution with Gaussian Approximation for Regular LDPC codes.原创，对应Chung的paper。-
remezhighpass
- 用remez函数设计高通滤波器 观察等波纹逼近法中加权系数w( )及滤波器阶数N的作用和影响。期望逼近的滤波器通带为[3 /4， ]，阻带为[0，23 /32]。 -Remez design with high-pass filter function to observe the law, such as corrugated weighted coefficient approximation w () and filter order N of the role and impac
Pade
- Programme for pades approximation this is the generalised program for calulating the numorator and denominator coefficients for modelling x(n) progrmme writtem by Mr. Bhalke D.G. research scholor - Programme for pades approximation
pcm
- 脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，采样序列为 ，将其进行PCM编码，给出编码器的输出码组序列
WIMAX_Turbo_Code
- 这是一套完整的支持wimax 16e协议CTC的编译码程序， 主程序在demo.c 译码器：tcdecoder.c 编码器：tcencoder.c-/* This program simulates the classical turbo encoding-decoding system on PC.*/ /* It uses parallel concatenated convolutional codes described in Figure 2.9 in Chapter
PCs
- Analyze multiple user interference based Standard Gaussian Approximation (SGA) model and packets collision (PC) model in IRUWB wireless communication system.
SRC
- 最大限度地平 FIR 逼近 （拉格朗日插值法） 拉格朗日插值是一种时域方法，导致基于多项式的筛选器的一个特殊情况。用 M 次多项式近似表示输出信号。最简单的情况 (M = 1) 对应于线性插值。让我们设计和分析将通过各种馏分拆分单元延迟的几种线性分数时滞滤波器：(Maximally-Flat FIR Approximation (Lagrange Interpolation) Lagrange interpolation is a time-domain approach that lead
程序
- 由切比雪夫逼近，实现已知频率响应的滤波器设计。(The filter design of the known frequency response is realized by the approximation of chebyshev.)
时域逼近IIR滤波器
- 时域波形的直接逼近，初步可实用于BPSK信号解调的IIR匹配滤波器。(IIR filter designed by time-domain approximation)
IIR滤波器时域逼近设计
- 时域逼近法设计IIR滤波器,设计出了初步可实用于BPSK信号解调的匹配滤波器。(IIR filter designed by time-domain approximation)
polar code
- 着重对极化码编码时涉及的信道选择技术进行展开研究。在二进制删除信道(BEC)环境下,利用Bhattacharyya参数分别从信道转移概率和码长的两方面说明对信道选择的影响。(This paper focuses on the channel selection technology in polarization code coding. In the binary deleted channel (BEC) environment, Bhattacharyya parameters are u
Deterministic Message Passing Algorithm SCMA in NOMA 5G
- Being an effective non-orthogonal multiple access (NOMA) technique, sparse code multiple access (SCMA) is promising for future wireless communication. Compared with orthogonal techniques, SCMA enjoys higher overloading tolerance and lower complexity