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。
Optical fibers are also used in communication systems to transmit modulated light beams.
纤维束不具有完全在两个相同的对齐方式完光,但不是图像传输。
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。
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。
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。
When laser light is bounced off the fibre, the reflected light is modulated in accordance with the electrical signals.
当激光从纤维上弹回后,反射的光会随着电子信号的改变而改变。
Incandescent bulb headlights won't work because their light can't be modulated over different frequencies the way LED's can.
白炽灯泡灯将无法工作,因为它们的光线不能在不同频率的调制方式LED的可以。
The principle of the new method is based on the phenomenon of light modulated by surface profile.
对光学针描法的理论基础, 如表面轮廓调制原理和光耦合区理论进行了较为深入的分析。
To overcome the interference of background light, a new turbidity measurement method is described which uses light with modulated intensity as source.
为避免背景光的干扰,本文提出了采用调制光强测量浊度的新方法。
In this paper the model of two level atomic momentum spread in amplitude modulated standing light wave was investigated.
分析了二能级原子在振幅调制驻波场中动量扩散模型。
Notably, these organometallic nanosheets luminesce in the red to near infrared region, and their electronic conductivity can be modulated by visible-light irradiation.
尤其是这些有机金属纳米片在红色到计划外区发光,而他们的电子电导率可以用可见光辐照来调整。
Based on the traditional flowmeter , a new type flowmeter is fablicated utilizing the features of the fiber2optic in fluid , in which the amplitude , phase or frequence of the light may be modulated.
利用光纤在流体中光的强度、相位、频率等受流量调制的特性,在传统流量传感器的基础上,可以制得新型的光纤流量传感器。
In intensity-modulated type optic fiber sensors, luminous intensity of a light source and operating stability of photoelectric receiver are the key factors for determining measuring accuracy.
在强度调制型光纤传感器中,光源发光强度和光电接收器工作的稳定性,是决定测量精度的关键因素。
There is a growing interest in the frequency modulated continuous wave (FM-CW) SAR for its advantages such as small cubage, light weight, cost-effective and high resolution.
调频连续波(FM -CW)合成孔径雷达因其体积小、重量轻、成本低及分辨率高等特点越来越受到关注。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器,白光光源经过腔长受温度调制的F - P传感器选频后,用平面光栅和线阵CCD实现光波波长的解调。
Modulated polarized light has many important applications for optical measurement and information transmission.
调制偏振光在光学精密测量和光学信息传递中有重要的应用价值。
Electric eye head, strong anti-interference ability, it will not be affected by all kinds of visible light, infrared light and non modulated interference error trigger.
电眼头,抗干扰能力很强,它不会受到各种可见光,非调制红外光的干扰和误触发。
Frequency modulated continuous wave (FMCW) synthetic aperture radar (SAR) is a light-weight, cost-effective, high-resolution imaging radar, which is suitable for operation on a small flight platform.
调频连续波合成孔径雷达(SAR)是一种新体制的高分辨率成像雷达,具有体积小,重量轻,耗电少,造价低,分辨率高等优点,非常适合小型化sar的应用。
Quantum well laser diodes are of high modulation frequency response. They can be used as light sources and be directly modulated for high bit rate optical communications.
量子阱激光器具有良好的小信号调制频率响应,能作为高速光通信光源采用直接调制方式进行信号传输。
A testing system for the light intensity modulated direct overwrite magneto optical multilayered films is designed successfully.
为了测试光调制直接重写磁光多层膜的磁光性能 ,试制了磁光多层膜光调制直接重写特性测试系统。
Directly modulated laser combining with phase modulator is adopted to produce large chirped light, which can be compressed by DCF to generate the optical pulse.
该方案采用直调激光器配合相位调制器产生大啁啾并由DCF压窄输出光脉冲。
Directly modulated laser combining with phase modulator is adopted to produce large chirped light, which can be compressed by DCF to generate the optical pulse.
该方案采用直调激光器配合相位调制器产生大啁啾并由DCF压窄输出光脉冲。
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