一段通信专业外语的翻译
在无线通信中,由于多径效应影响产生码间干扰,使接收的信号产生误码,而通信协议要求发送方重新发送产生误码的数据帧,从而影响无线通信信道中传输数据的速率。自适应均衡技术能补偿...
在无线通信中,由于多径效应影响产生码间干扰,使接收的信号产生误码,而通信协议要求发送方重新发送产生误码的数据帧,从而影响无线通信信道中传输数据的速率。自适应均衡技术能补偿由于信道参数变化所引起的畸变、抵消信道信号传输衰减,同时有效地抗码间干扰,提高传输速率,在无线通信系统中广泛的应用。本篇论文在对无线通信信道进行研究的基础上,阐述了码间干扰的产生,介绍了时域均衡原理。深入的研究了均衡器的结构和自适应算法,在均衡器结构中介绍了线型横向均衡器结构、判决反馈均衡器.在算法中分析了LMS算法的性能,提出了改进的MAP算法,仿真得出了MAP算法在线型横向均衡器结构和判决反馈均衡器中的效果,利用MAP算法的均衡器的抗码间干扰的效果最好。本文最后介绍了利用DSP设计了能够实现MAP算法自适应均衡器的硬件系统和软件系统。
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我拿谷歌翻译的,老师说根本读不通,希望那位好心人能帮我翻译一下,要求语句通顺,专业名词可参照谷歌翻译,谢谢了。 展开
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In wireless communication, due to the multipath effect produced intersymbol interference, receiving signals of error, and communication protocol request the sender to produce error data frames, thereby affecting the wireless data transfer rate in the channel. Adaptive equalization techniques can compensate due to channel parameters changes caused by the distortion, signal transmission attenuation offset channel, effective against intersymbol interference, improve the transmission rate, in the wireless communication system widely. This essay on wireless communication channel on the basis of research, this paper expounds the intersymbol interference, introduces the principle of temporal equilibrium. In-depth study of the structure and the adaptive equalization algorithm is introduced in the structure of linear equalizer transverse equalizer structure, decision feedback equalizer. The performance of the algorithm is analyzed and proposed LMS algorithm is improved, the MAP of the simulation algorithm in horizontal line-shape MAP and decision feedback equalizer structure, use effect of equalizer MAP algorithm of equalizer intersymbol interference of the best effect. This article introduces the design can be realized by DSP algorithm of adaptive equalizer MAP hardware and software system.
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