• 1. modulated light beam: 调制光束
• 2. time-modulated light beam: 时间调制光束
• 3. phase modulated light beam: 调相光束

更多释义

• 1.The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
  放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
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