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SIMULINK下基带传输系统的设计

消耗积分:5 | 格式:rar | 大小:1506 | 2010-12-07

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为了模拟基带系统的无码间干扰通信,在SIMULINK下设计基带系统,详细分析了基带系统的原理及码间干扰和噪声干扰问题,使用平方根升余弦滤波器作为收、发滤波器,减小码间干扰,达到最佳接收,采用抽样判决电路减小噪声干扰。示波器及眼图的观测结果表明所设计的基带系统可以进行有效通信,且具有抗干扰能力。
Abstract:
 To simulate non-intersymbol interference communication of baseband system, the baseband system was designed in SIMULINK. This paper analysed the principle of baseband system, intersymbol interference and noise interfetence .The square root raised cosine filter was used as send and receive filter to diminish intersymbol interference. And sampling judge circuit was used to diminish noise interference. Oscilloscope and eye figure indicate that the base-band transmition system can communicate effectively and has the ability to resist the interference.

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