The Elimination of the ISI by the Adaptable Equalization and the Simulation Snalysis by MATLAB;
自适应均衡对码间干扰的消除及其MATLAB仿真分析
Discussion on the Problems on ISI(Inter-symbol Interference) in the Base-band Transmission System and Their Elimination;
基带传输系统码间干扰及其消除问题讨论
Deduced Characters of the Shaping Filters With Non ISI Based on Reverse Using Sample Theorem
基于抽样定理导出无码间干扰的滤波器特性
This paper introduces how to realize orthogonal transmission by using the guard time to restrain intersymbol interference of multichannel environment and to avoid frequency error by using synchronization.
文中介绍在 OFDM中如何利用保护时间段来解决多径效应产生的码间干扰 ,以及利用时序同步来避免接收和发射之间的频率误差 ,实现可靠正交传
The intersymbol interference (ISI) and co-channel interference in a general TRM (time reversal mirror) MIMO (multiple-input-multiple-output) system was analyzed, the expression of interference was derived, and the interference reducing effects in terms of array configuration, channel, and transmitted signal were studied through an image source model in a typical shallow water channel.
通过对TRM(时间反转镜)MIMO系统中码间干扰和同道干扰的分析,探讨了TRM技术在水声MIMO系统中的应用潜力。
Based on the analysis of π/4DQPSK,the equalization technique was used to reduce intersymbol interference(ISI) and to improve the performance of the system.
基于π/4DQPSK调制方式,利用均衡技术减小码间干扰,以及提高系统抗噪声性能的方法,在加性高斯白噪声(AWGN)信道中,对存在相位漂移的情况下的π/4DQPSK系统的抗噪声性能,以及存在码间干扰时和通过均衡后系统的抗噪声性能,并同理论值进行了比较分析研究。
TR technique is help to alleviate the multi-user interference,inter-symbol interference and co-channel interference.
时间反转技术是一种空间信道匹配新技术,具有空间及时间聚焦特性,在克服码间干扰、共道干扰和多址干扰等方面具有独特的优势。
Analyze the impact inter-symbol interference on baseband transmission system and noise.
利用SystemView动态仿真软件,建立获取眼图的仿真系统观察眼图,定性的分析码间干扰及噪声对基带传输系统的影响。
This paper describes the inter-symbol interference and two technologies for eliminating it.
文中介绍了码间干扰以及消除码间干扰的两种方法,从理论上比较了这两种方法的性能,并搭建仿真系统进行计算机仿真模拟,其仿真结果表明:基带滤波和LMS均衡器能显著消除码间干扰的影响。
By analyzing the effect factors on white-light LED communication s performance,the signal to noise ratio and the inter symbol interference produced by different path was investigated,and the optical receiver base on angel diversity technology was put forward to get rid of inter symbol interference and increase the signal to noise ratio.
通过对影响白光LED照明通信系统性能因素的分析,研究了白光LED照明通信系统中信噪比和不同路径引起的码间干扰的问题,提出了一种基于角度分集的光接收机技术用来克服不同路径引起的码间干扰和提高信噪比,同时给出了该技术方案中光探测器布局的模型。
The mobile communication UWA channels are analyzed,whose eigen rays have different Doppler shifts which enhances the complexity of intersymbol interference(ISI) caused by the multipath channel,that goes against the UWA communication.
对移动水声通信声信道特性进行了分析,指出不同途径到达的声线对应的多普勒频偏不一致,进一步加大了多途扩展产生的码间干扰的复杂性,不利于水声通信。
In the field of wireless communications, the most problem is intersymbol interference(ISI) because of multipath transmission.
在无线通信领域中，面临的主要问题是由于多径传输而产生的码间干扰。
Time variant multipath propagation in acoustic channel causes serious intersymbol interference (ISI), which makes high speed data transmission over acoustic channel very difficult.
但水声信道的时变多途效应造成接收数据严重的码间干扰（ Ｉ Ｓ Ｉ），使得高速水声通讯的实现十分困难。
The Code Interference Research of Optical Code Division Multiple Access System;
光码分复用（OCDMA）系统码间干扰问题研究
Optimal design of superposition coded modulation systems over ISI channels
码间干扰信道下叠加码系统的优化设计
Design of Anti-ISI matched Receiving Filter for GMSK Signal;
GMSK信号抗码间干扰匹配接收滤波器的设计
Deduced Characters of the Shaping Filters With Non ISI Based on Reverse Using Sample Theorem
基于抽样定理导出无码间干扰的滤波器特性
Block Decision Feedback Equalization of PPM+PWM Modulated Signals
一种克服脉位脉宽信号码间干扰的均衡算法
The Study on Suppression Techniques Against ISI of Wireless Communication System
无线通信系统中码间干扰抑制技术研究
Without proper compensation for MAI and ISI, Bit Error Rate (BER) is generated highly.
如果不对多址干扰及码间干扰加以适当补偿的话,接收信号就会有很高的误码率。
Blind equalization is an effective way to suppress the inter-symbol interference (ISI), which is caused by multipath fading communication channels.
在数字通信中，盲均衡是克服多径衰落信道导致的码间干扰的一种有效方法。
intrasystem interference
系统之间的相互干扰
Time selection anti-jamming technique
时间选择抗干扰技术
Space selection anti-jamming technique
空间选择抗干扰句技术
A High Performance Encoding Technology with Twitter-interference Elimination Based on FPGA
基于FPGA的抗编码器抖动干扰的高精度编码技术
Generation of pseudo-code and its anti-jamming capability analysis in CDMA
CDMA伪码序列产生及抗干扰性能分析
Technology of High Efficiency On-Off Jamming to Viterbi Decoding
对Viterbi译码的高效脉冲干扰技术
Study on Interspecies Competition of Three Kinds of Natural Enemies of Aphids in Forest Field
林间蚜虫3种天敌间竞争干扰的研究
Then, the jamming method is discussed.
接着讨论了对伪码调相引信的干扰方法。
The Analysis and Calculation of Interference and Noise in CDMA Satellite Communications System
码分多址卫星通信网中干扰与噪声的分析计算
Adaptive Anti-interference Algorithm for CDMA Systems
码分多址系统自适应多址干扰抑制算法