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中文摘要：
提出了时域DD-LMS均衡法在O-OFDM系统中的应用。理论分析了DD-LMS均衡原理,实验验证了在直接检测O-OFDM系统中用DD-LMS均衡法比用LS均衡法的系统的平均功率代价降低了1dB;在相同接收功率下,使用DD-LMS均衡方法的系统误码率比使用LS均衡系统误码率降低很多,相应信号星座图也较收敛。
英文摘要：
A novel time domain equalization（TEQ） in O-OFDM System was proposed and experimentally demonstrated.The DD-LMS equalization principle was theoretically investigated.In the direct-detection O-OFDM system,the experimented results confirm that,compared with LS equalizer system,the decision direct least mean square（DD-LMS） system performs 1dB decreased on average,the bit error rate（BER） of the system decreases a lot at the same receive power,a more clearly received constellation could be abtained.
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