提供了一种音频放大器的输入增益控制设备和方法。
Provided are input-gain control apparatus and method of an audio amplifier.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
主要对路面输入变化的估计时间和用以决定控制增益变化的系统输出信号的选择进行了研究。
Two main issues were investigated: a) the identification time for road input condition; b) the selection of reference signal on which the control gain are tuned.
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