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    • 23. 发明授权
    • Distortion compensator
    • 失真补偿器
    • US07212584B2
    • 2007-05-01
    • US10624652
    • 2003-07-23
    • Naoki HongoMasaki SutoToshio TakadaHidefumi ItoShuhei Miura
    • Naoki HongoMasaki SutoToshio TakadaHidefumi ItoShuhei Miura
    • H04K1/02H04L25/03
    • H03F1/02H03F1/3247H03F2200/105H03F2201/3233
    • A distortion compensator compensates for distortion arising in an amplifier that amplifies a signal with improved efficiency. The distortion compensator includes a signal level detector which detects the level of a signal to be amplified by an amplifier, a distortion compensation execution unit which executes distortion compensation on the signal to be amplified according to a mode of distortion compensation corresponding to the signal level detected by the signal level and a correspondence between signal levels and distortion compensation control values as pairs, a distortion compensation control value correspondence updater which updates the correspondence between the signal levels and the distortion compensation control values used in the execution of distortion compensation, and a distortion compensation control value number controller which controls the values of stipulated parameters.
    • 失真补偿器补偿放大器中出现的失真,放大器以提高效率放大信号。 失真补偿器包括:信号电平检测器,其检测由放大器放大的信号的电平;失真补偿执行单元,根据与检测到的信号电平相对应的失真补偿的模式,对待放大的信号执行失真补偿 通过信号电平和信号电平与失真补偿控制值之间的对应关系,失真补偿控制值对应更新器更新信号电平与执行失真补偿时使用的失真补偿控制值之间的对应关系,以及失真 补偿控制值控制器,用于控制规定参数的值。