目前降低OFDM信号PAR的技术总体上可分为三类：信号畸变技术、概率类技术和信号编码类技术。
The on-going technologies on reducing OFDM signal PARP can be generally divided into three categories: limiting class technologies, encoding techniques and signal scrambler technologies.
拍摄照片的是大熊湖太阳天文台新望远镜，采用自适应光学技术配件以便校正大气扰动误差，调节信号畸变。
The telescope that took the picture is know as the New Solar telescope which USES adaptive optics, parts that change to adapt to disturbances in the atmosphere and correct distortions in the signals.
叠加平均技术使信号产生波形融合，新波形产生，后发放成份消失等多种畸变。
The technique of summation makes a lot of signal aberration such as waveform confluence, new waveform emerging and after-discharging components dismissing.
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