The invention is simple and convenient, and greatly improves the sensitivity of the photoelectric sensor, thereby enhancing the accuracy of weak light measuring.
本发明简单方便，大幅度提高了光电传感器的灵敏度，从而提高了对微弱光测量精度。
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。
应用推荐