The photo-acoustic effect results from the absorption of modulated light energy.
粉煤灰光声效应的产生源于粉煤灰材料对入射调制光能量的吸收。
A new method measuring speed of sound in a weak scattering fluid is proposed by using the ultrasound - modulated light.
本文介绍一种利用超声调制光波现象测量超声波在弱散射液中传输速度的方法。
This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.
这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。
Modulated light is used as detecting signal in this system, photodiode area array is used as receiving module, which greatly improves the sensitivity and anti-interference ability of the system.
系统采取调制光源作为探测信号，采用光敏二极管面阵作为接收组件，大大提高了系统的灵敏度和抗干扰能力。
Modulated light is used as detecting signal in this system, photodiode area array is used as receiving module, which greatly improves the sensitivity and anti-interference ability of the system.
系统采取调制光源作为探测信号，采用光敏二极管面阵作为接收组件，大大提高了系统的灵敏度和抗干扰能力。
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