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Home > chinese-english > "符号间干扰" in English

English translation for "符号间干扰"

intersymbol interference

Related Translations:
符号:  1.(记号; 标记) character; sign; symbol; mark; code; notation; expression; denotation; sentinel 短语和例子注音符号 phonetic symbol; 标点符号 punctuation mark; 代数符号 algebraic symbol2.(表明职别、身分等的标志) insignia
干扰:  disturb; obstruct; jam; backdrop; interference; beating; mush; tamper; trouble; lapse; brushing; molestation; disturbance; crossfire; obstacle; perturbation; upset; [电学] jamming; pick-up (
Example Sentences:
1.Isi inter symbol interference
符号间干扰
2.Secondly , we propose a multi - user detection based on kurtosis . this method can suppress not only mai ( multiple - access interference ) but also isi ( inter - symbol interference ) . all needs in the detection are only the desire user ' s spreading code
并在此基础上,提出了一种基于峭度的盲检测方法,这种方法不但可以抑制多址干扰mai ( multiple - accessinterference ) ,还可以抑制符号间干扰isi ( inter - symbolinterference ) ,而且在检测时只需要期望用户的扩频码信息,是一种全盲检测方法。
3.For wireless communications , direct sequence code division multiple access ( ds - cdma ) techniques have received a great deal of attention due to the expectation of capacity increase , interference rejection capability , security , and so on . in a high data rate application such as multimedia services , however , the capacity of ds - cdma systems is limited by both the inter - chip , or inter - symbol interference
Cdma技术以其高抗干扰能力、高容量、高保密性等技术优势在第三代移动通信系统中被广泛应用,然而在高速数据业务中,严重的码间干扰和符号间干扰会导致系统性能明显下降。
4.In order to achieve high data rates on the severely band - limited underwater acoustic ( uwa ) channels , bandwidth - efficient modulation techniques must be employed , together with some sophisticated signal processing algorithms , such as adaptive equalization technique for the intersymbol interference caused by channel multipath propagation
在带宽严重受限的水声信道中实现高数据率通信,必须使用高带宽利用率调制技术,并结合自适应均衡等技术以有效地克服信道多途传播产生的符号间干扰
5.For example , carrier frequency offsets , which are caused by the inherent instabilities of the transmitter and receiver carrier frequency oscillators , can lead to severe system degradation due to inter - carrier interference ( ici ) . symbol timing synchronization must also be achieved in order to avoid inter - symbol interference ( isi )
其载波频率误差会引入子信道之间的干扰( ici ) ,而帧同步的误差会引入符号间干扰( isi ) ,同时还会对信道估计带来严重的影响。
6.This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver , studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels . the theory and key technical of adaptive modem is discussed . in the last , an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission , this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer
本文在对短波数传两种常见调制方式fsk及psk最佳解调性能分析的基础上,讨论了几种采用典型调制技术的短波数传系统(如时频调制、多进制频移键控慢跳频、 chess系统)原理、优缺点以及抗衰落和抗符号间干扰的性能;分析了自适应串行数传系统抗短波信道衰落和多径干扰的原理、关键技术;在本文的最后引入一种有望解决短波数传系统低效率状况的调制方式bcm -分组编码调制,给出了一个采用bcm技术与自适应均衡技术相结合的短波数传系统方案,并通过计算机模拟进行了初部验证。
7.The future wireless mobile communication systems are expected to provide ubiquitous , high - quality , and high - rate mobile multimedia transmission . however , hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse , wireless channel are often time varying , which makes the system more vulnerable and more difficult to track the channel state . orthogonal frequency dvision multiplexing ( ofdm ) , which is inherently resistant against isi , has invoked a popular research interest in recent years , and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications . notwithstanding , ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation , and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems . the dissertation will focus on both of the aspects of ofdm systems mentioned above
但是无线环境的多径特性造成通信系统中严重的符号间干扰,同时无线信道的时变性使得信道特性跟踪复杂。而正交频分复用技术( orthogonalfrequencydivisionmultiplexing , ofdm )正是一种解决符号间干扰的有效传输手段,因此ofdm技术作为未来宽带高速率无线通信的物理层候选技术在当前引起了一股研究热潮。但ofdm系统对定时同步误差和信道估计误差非常敏感,如何在ofdm系统中准确快速地实现符号同步和信道估计是至关重要的,本论文将重点针对这两个问题进行讨论。
8.Although the long pn sequence modulation has been used widely in the military communication with the good secrecy performance and restraint of jam between symbols , there is scarcely any research of long pn sequence modulation signals . so it is significant to research the estimation of long pn sequence modulation signals
由于目前尚未有对长pn码调制信号进行检测和参数估计的研究,而长码调制较好的保密性能以及抑制部分符号间干扰的优点,使其在军事通信中有着较好的应用前景,因而此部分工作具有重要的意义。
Similar Words:
"符号监测表" English translation, "符号间差错" English translation, "符号间串扰" English translation, "符号间的" English translation, "符号间的空格" English translation, "符号间干扰, 码间干扰" English translation, "符号间干扰,码间干扰" English translation, "符号间隔" English translation, "符号间空格持续时间的三倍" English translation, "符号间失真" English translation