介绍了在合肥光源横向模拟反馈样机系统进行的改造和升级。

The transverse analog feedback system of Hefei light source has been redeveloped.

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目前有源耳罩大都采用固定的模拟反馈控制器，不能够最大限度地消除低频噪声。

Most of active headsets, which use fixed analog feedback controllers, are not able to maximize the noise reduction.

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将LVDT输出加在同步稳压器上，跟随一个低通滤波器，产生直流电压送至adc或直接驱动模拟反馈控制系统。

Applying the LVDT's output to a synchronous rectifier followed by a lowpass filter produces a dc voltage that can feed an ADC or directly drive an analog feedback-control system.

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