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1)  digital baseband adaptive predistortion
数字基带自适应预失真
1.
The study status of power amplifiers(PAs) linearization techniques native and abroad are described,with emphasis on the promising digital baseband adaptive predistortion techniques.
阐述了目前国内外功率放大器(PA)线性化技术的研究状况,重点研究了其中最有应用前景的数字基带自适应预失真技术及其最新研究进展,分析并指出了相关方法的优缺点,并对其发展前景进行了展望。
2)  adaptive digital predistortion
自适应数字预失真
1.
To compensate for nonlinear distortion of RF power amplifiers,a novel adaptive digital predistortion method based on piecewise polynomial was proposed,and multiple lower-odd-order-only polynomials in the form of orthogonal coordinates were used for predistorter design.
为补偿RF功率放大器的非线性失真,提出一种新的基于分段多项式的自适应数字预失真方法,使用多个直角坐标形式的低阶奇次多项式设计预失真器。
3)  Windowed Adaptive Digital Pre-Distortion
加窗自适应数字预失真
4)  base-band adaptive predis-tortion
基带自适应预失真
5)  adaptive baseband predistortion
自适应基带预失真
6)  digital baseband predistortion
数字基带预失真
1.
In order to cancel nonlinear distortion of power amplifier (PA) and meet the requirement of power spectral density mask specified by regulatory bodies, an adaptive digital baseband predistortion technique have been applied because of many advantages such as good linearity, wide bandwidth, high efficiency and full adaptation and become first choice of canceling distortion of nonlinear PA.
为了消除功放非线性带来的失真,满足制定的功率谱密度要求,自适应数字基带预失真技术以其良好的线性度、宽带宽、高效率和全自适应性等优点而成为消除功放失真的首选。
补充资料:自适应自整定调节
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性质:在调节系统中,对象的动态特性往往是变化的,如果变化不大或调节的质量要求不高时,可以采用固定规律的调节器,假若变化大,质量要求又高时,需要选择可变规律调节器。调节器参数的改变是直接按照对象特性的变化进行的,叫作自适应调节。对象的识别和调节器的规律的计算都用一个计算装置进行,就叫自适应自整定调节,或简称自整定调节。 

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