自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
利用设计的实验平台，在窄带通信系统中不考虑记忆效应的情况下，提出了一种基于查询表的能够有效抑制器件噪声的自适应数字预失真方案。
Based on the narrow communication systems and disregarding memory effects, the paper describes an adaptive digital predistortion method which can restrain the noise effect caused by applications.
由于这两个问题的相对独立性，因此在数字地面电视标准确定之前，研究“自适应预失真”技术则很有必要。
Because of the independence of the two problems, before determining the Terrestrial digital TV criterion, we must study the adaptive predistortion technology.
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