...F Closed to RF）第四步：右足后退（RF Back）第五步：重心移至左脚，左脚在原地（LF in Place）第六步：右足前进（RF Forward）男士第一步到第三步不转，第四步到第六步转1/8向右 女士脚的位置分析如下： 第一步：右足并至左足（RF Closed to LF）第二步：左...
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Designand Experiment of a driver circuit of LD, RF forward amplifier circuit and servo forward amplifier circuit for the optical disk driver are discussed emphatically.
重点讨论光盘驱动器中ld驱动器电路、RF前置放大电路与伺服前置放大器电路的设计与实验。
Based on the characteristic extracting of RF signal in digital cable TV system, this paper puts forward an algorithm for modulation recognition between 16qam and 64qam RF signals.
从有线数字电视射频信号特征参数提取着手，建立了一套识别16 QAM和64 QAM射频信号调制方式的数学算法。
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