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本文分析了在单反射波和多反射波存在时情况下的DVB64/256QAM接收机的性能。试验结果表明,当反射波幅度达到—7dBc时能够由接收机可靠地补偿。测量结果与基于一种改进的有效最小均方(LMS)算法的计算机模拟十分吻合。
This paper analyzes the performance of a DVB64 / 256QAM receiver in the presence of both single and multiple reflections. Experimental results show that when the reflected wave amplitude reaches -7dBc can be reliably compensated by the receiver. The measurement results are in good agreement with computer simulations based on an improved effective minimum-mean-square (LMS) algorithm.