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本文以Ｕｎｇｅｒｂｏｅｃｋ的格状编码理论为依据，研究了１６ＱＡＳＫ上的ＴＣＭ技术，结果表明，该调制方式与常规的调制方式相比，可以获得５－６ｄＢ的编码增益。
In this paper, based on Ungerboeck’s trellis-coded theory, the TCM technique on 16QASK is studied. The results show that this modulation scheme can achieve 5-6dB coding gain compared with the conventional modulation scheme.