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详细讨论了数字电视传输系统中的网格编码调制原理,针对不同的调制方案进行综合比较,并具体比较了各种调制方式在高斯白噪声信道中的抗误码性能,从而得出最佳的编码调制系统。
The principle of trellis coded modulation in digital television transmission system is discussed in detail. The different modulation schemes are compared and the error resilience performance of various modulation schemes in Gaussian white noise channel is compared. The best Coded modulation system.