The computer simulations verify theoretical results. In TDD pre-equalization OFDM systems, the Doppler frequency shift would make channel time-variant, degrade system performance.
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Since burstion interference in ADSL environment can degrade system performance, we can adopt RS code to improve system performance.
考虑到ADSL线路环境中突发干扰对系统性能的影响，可以采用RS编码改善系统性能。
Otherwise, your system would suffer and the overall performance would degrade.
否则，您的系统将受到损害，整体性能也将下降。
Or, the overall health or performance of the system might degrade slowly over a long period before it finally leads to a serious problem.
或者，系统的整体运行状况或者性能随着时间的推移可能会慢慢地下降，直到最后导致出现严重的问题。
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