另外，可用开关装置实现偏置电流的脉冲，进而调制发射强度。然后，经过调制的组分被FFT分析器有选择性地检测。

Furthermore, the bias current can be pulsated with a switching device to modulate the emission intensities, and then the modulated component is selectively detected with the FFT analyser.

youdao

另外，可用开关装置实现偏置电流的脉冲，进而调制发射强度。然后，经过调制的组分被FFT分析器有选择性地检测。

Furthermore, the bias current can be pulsated with a switching device to modulate the emission intensities, and then the modulated component is selectively detected with the FFT analyser.

youdao