1) ISI
码间干扰
1.
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
2.
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
3.
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
2) intersymbol interference
码间干扰
1.
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
2.
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。
3.
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。
3) inter-symbol interference
码间干扰
1.
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。
2.
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。
3.
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。
4) inter symbol interference
码间干扰
1.
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。
5) intersymbol interference(ISI)
码间干扰
1.
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。
2.
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。
6) Intersymbol interference (ISI)
码间干扰
1.
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。
补充资料：HP-241B色带打码机/HP-30手动打码机
适用材料：
塑料薄膜PT、PE、PVC、OPP、KT、铝箔、饮料瓶商标；各种塑料复合材料、塑料袋、纸（不干胶、卡片）、皮革、布；包装容器袋、塑料制品；电子元件外壳。
工作原理及结构特点：
采用热打印带代替油墨打印，采取特殊的活字装卸换字结构，可在任何软包装材料上打印。印字清晰，不易擦掉；卫生干净，无油墨污染之优，是一种经济卫生的打印方式。
HP-241技术参数：
最高速度：70-120次/分 可调
打印间距：任意
打印行数：1-3行
电 压：220V±10% 50Hz
功 率：200W
热打印带宽度：25-35mm
HP-30技术参数：
电 源：220V/50Hz
功 率：≤40W
尺 寸：225×200×155mm
重 量：2.5kg
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条