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对于设计一个DMT(离散多频音)系统来说,两种最关键的技术就是带宽优化算法的选择和前置时域均衡器的设计。文中就时域均衡器的设计,介绍了两种算法:基于迭代的TEQ(时域均衡器)算法和基于IDFT/DFT(离散傅里叶逆变换/离散傅里叶变换)的循环均衡算法,并且对两种算法进行了理论分析和计算机仿真,给出了仿真结果。
The two most critical techniques for designing a DMT system are the choice of bandwidth optimization algorithms and the design of the pre-time-domain equalizer. In this paper, two kinds of algorithms are introduced in the design of time-domain equalizer: TEQ (Time Domain Equalizer) algorithm based on iteration and cyclic equalization algorithm based on IDFT / DFT (Inverse Discrete Fourier Transform / Discrete Fourier Transform) The theoretical analysis and computer simulation of the two algorithms are given, and the simulation results are given.