The equations for updating messages of different decoding algorithms of LDPC codes are induced.
推导了不同测度下LDPC码各种译码算法的消息迭代更新公式。
There are two types of LDPC codes decoding algorithms: hard decision algorithms and soft decision algorithms.
LDPC码的译码算法主要分为两类：硬判决算法和软判决算法。
The main three space-time code schemes, including its design thought and encoding and decoding algorithms are studied.
研究了三种主要的空时编码技术设计思想与编译码算法及其性能。
Since the codes in the paper are linear, a quite simple decoding algorithms can be designed for them by the way of choosing a basis.
由于我们所构造的码均是线性码，进而可以通过取一组基给出简单的编码算法。
RS encoder in DVB-S and some classical decoding algorithms are introduced, then some Fast Fourier Transform (FFT) algorithms in finite domain are presented.
本文介绍了DVB - S中RS码的编码及常用的译码算法，然后又介绍了几种有限域中快速傅里叶变换(FFT)算法。
'If we can get the signals from these neurons and interpret them with what is called decoding algorithms, then we can move a robot device placed on the paralysed arm,' added Quian Quiroga.
“如果我们能收集到这些神经元的信号，对其用解码算法翻译出来，那么我们就让安装在瘫痪手臂上的机器人装置按照这些信号的要求动起来。”全·奎罗哥进一步解释。
By the graph representation, we discuss the girth and diameter of a bipartite graph, and their roles in improving the efficiency of decoding algorithms and the performance of the code.
根据低密度码的图结构表示，研究双向图的周长、直径，及其对提高译码算法效率和码的性能所起的作用。
The parameters include generator polynomial of component codes, interleave length and the type of interleavers, iterative decoding algorithms and iteration number, code rates and channel models et al.
这些参数主要包括分量码、交织长度和交织器类型、迭代译码算法和译码迭代次数、编码速率以及信道条件等。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
与传统解码的算法不同，该算法无需在发送端进行信道相关矩阵的估计和预编码，降低了发送端的编码复杂度。
This paper completely gives some basic Algorithms of decoding recover for Nonsystematic Convolutional codes.
本文全面地给出求解非系统卷积码译码恢复的一些基本算法。
Meanwhile, the algorithms of 16qam Softdemapping parity bit decoding and symbol mapping were derived.
同时推导了16QAM软去映射、校验比特译码和符号重构算法的数学过程。
In this paper, a fast soft decision decoding using genetic algorithms (GSD) is presented.
本文采用遗传算法实现快速软判决译码(GSD)。
Comparing with the traditional algorithms, antenna correlated parameters are introduced in channel estimation and the process of decoding, and transmission performance is improved.
新算法较传统方案，在信道估计和空时译码过程中引入收发天线相关参数，消除了天线互扰对接收性能的影响，提高了传输性能。
The software algorithms are realized in host CPU, including channel parameters estimation, bit allocation, equalization, echo cancellation, FFT, IFFT, encoding, decoding, etc.
其中软件算法部分全部在主机CPU中实现，其中包括信道初始化，比特分配策略，符号同步，信道均衡，回波抵消，编码解码，FFT和IFFT等等。
The decoding block diagrams of these two algorithms are given and results of soft analogue on computer are presented with examples.
结合实例，给出了这两种算法的译码框图及计算机软件模拟结果。
Possible algorithms which can greatly compress image data while having a good decoding speed and platform dependent, are integrated to the framework.
在这个框架中，整合了一个适合于不同手机平台的能有效压缩图像及快速渲染的算法集。
The efficient motion estimation algorithms are the important research hotspot in the real-time video coding-decoding technology.
高效的运动估计算法是实时视频编解码技术的研究重点。
The system model and algorithms of coding and decoding of H. 323 are analyzed in this paper.
本文在分析H.323标准模型及编解码算法后，提出了视频会议的加密方案。
The system model and algorithms of coding and decoding of H. 323 are analyzed in this paper.
本文在分析H.323标准模型及编解码算法后，提出了视频会议的加密方案。
应用推荐