搜索资源列表
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最大似然和最大后验概率算法描述，比较性能，仿真分析-Maximum likelihood and maximum a posteriori probability algorithm descr iption, comparative performance, simulation analysis
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本程序可检验所设计的LDPC码中的4环个数。LDPC码中的4环决定LDPC码的解码算法是否能够快速收敛，见程序前言中的参考文献。
LDPC码为高性能信道纠错码，已被DVB-s2和IEEE802.16e采纳。-This procedure can be designed to test the LDPC code in ring number 4. LDPC code of 4 Central decision LDPC code decoding algorithm is able to f
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卷积编码的最优译码是viterbi译码，我们提供一种高性能viterbi译码算法的改进算法。-Convolutional coding are optimal decoding viterbi decoding, we provide a high-performance viterbi decoding algorithm of the improved algorithm.
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蜂窝网络中移动台越区漫游仿真的VisualC++程序设计
对移动台的越区漫游规律,尤其是对移动台在越区漫游过程中所经过的不同的位置区个数进行研究,对各种位置管理策略的性能与代价的评价来说,具有现实意义。给出蜂窝网络中移动台六个方向越区漫游的仿真算法及Visual C++(6.0)程序。
-Of mobile station roaming areas of the law of Vietnam, especially for the mobile station roaming in t
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Compare performance of hard/soft decoding of Viterbi algorithm.
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implement an alamouti algorithm using 2 transmittes and 1 receivers. evaluate the performance of BER base on the SNR
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高性能交换机的基于虚拟输出队列的iLISP算法的实现，支持三种流量模型。-High-performance switch-based virtual output queue algorithm iLISP in support of the three flow model.
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高性能交换机的RRM交换算法，使用的是VC仿真，支持泊松，突发流量和随机流量三种流量模型。-The exchange of high-performance switches RRM algorithm, simulation using VC to support Poisson, unexpected traffic and random traffic flow model three.
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Presently FFT usage in GPS receivers has been a
topic of extensive study and many improved FFT-based
acquisition methods with averaging correlation
technique also have emerged. Although averaging
arithmetic can reduce the instant processing p
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Presently FFT usage in GPS receivers has been a
topic of extensive study and many improved FFT-based
acquisition methods with averaging correlation
technique also have emerged. Although averaging
arithmetic can reduce the instant processing p
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This standard describes the interoperability requirements relating to the conversion of analog
voice to 2,400 bits/s digitized voice by a method known as Mixed Excitation Linear Prediction (MELP)
and reconversion back to analog voice. An algorith
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分析了相位噪声对正交频分复用(OFDM)系统的影响,发现相位噪声不仅产生
通用相角错误(CPE),而且还会产生载波间干扰(ICI),这都使OFDM系统的性能急剧恶
化,因此必须对CPE和ICI进行校正.文中给出了基于MSE准则的CPE校正方法,考虑到
ICI干扰主要来源于相邻信道,进而提出了基于LMS法则的自适应相邻信道干扰消除方
法.整个算法简单高效.仿真结果表明,所提出的算法大大改善了OFDM系统的性能-Analysis of phase noise on the ortho
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关于ldpc码的改进算法，基于校验节点到变量节点的信息，从而实现很好的译码性能，是篇不错的文章-Ldpc yards on the improved algorithm, based on check node to variable node of information, in order to achieve good decoding performance is a good article articles
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1. 该程序进行了简单的LMS信道估计，没有加入与MMSE等其他信道估计算法的比较；
2. 程序中循环前缀的设置，作者称是25％的CP，但是从矩阵的构造并不能看出这一点
并且CP为Zero-CP，需要加入与真正复制了数据样值的循环CP系统进行性能对比
3. 仿真条件为系统处于理想同步情况下。
-1. The program had a simple LMS channel estimation, not joined with the MMSE channel estim
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DS-CDMA的MMSE算法程序，给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
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基于导频的OFDM信道估计算法及性能分析pdf论文-Pilot-based OFDM channel estimation algorithm and performance analysis pdf paper
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In this paper, we integrate the channel assignment and
power assignment into a distributed channel access
algorithm. A cost-function is introduced to provide some
optional channels according to their cost for transmitted
power level searching
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基于em算法在CDMA通信系统中的应用，分析了em算法在该系统中的性能-Em algorithm based on CDMA communication system, analyzes the em algorithm in the performance of the system
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为了提高MIMO-OFDM系统的数据传输率和频谱利用率,提出一种新的自适应算法。该算法在保证信道质量所需误码率和总发射功率的前提下,按照各个子载波衰落程度动态地分配比特和功率,使系统的总数据传输速率最大。理论分析得出,该算法降低了系统运算复杂度,能很大地改善系统的整体性能。-In order to improve data transmission rates and spectrum efficiency of MIMO-OFDM systems,this paper proposes a n
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在本文中,我们描述了使用OPNET
仿真建模和分析工具的分组数据
网络。我们模拟两种类型的高性能
网络:光纤分布式数据接口
异步传输模式。我们将
协议性能的不同网络FDDI
在两个网络参数配置。我们也
一个简单的ATM网络模型和衡量
各种自动取款机服务类别下的性能。
最后,我们发展一套OPNET对漏过程模型
桶的拥塞控制算法。我们检查其
性能和影响交通模式(损失
和丛集尺寸)在ATM网络。
-In this paper we describe
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