计算机仿真结果表明,当待测距离一定时,光强调制系数随着安装误差的增大而减小。
The computer simulation is performed, and the results show that when the distance on measure is certain, the coefficient of the intensity modulation will decrease with the fixing error increasing.
实验数据表明,光强调制度随激光器偏置电流的增加而加深,随调制频率的升高而减小。
Experimental data show that the intensity modulation depth increases with the bias current of LD. When the modulation frequency increases, the intensity modulation depth decreases.
介绍了反射式光强调制型光纤传感器的工作原理、最新的研究进展及其在位移检测中的应用。
The working principle of reflective intensity-modulated fiber optic sensor was presented. And the latest research findings and the application of it in displacement detection were also given.
当外孔大于1.5倍束腰时,衍射后轴上光强调制被有效压抑,这为选择光阑提供了合理参数。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
提出了用高频光强调制、同源频率合成、软件鉴相的激光相位微距测量方法测量表面微观轮廓高度。
In this paper, the measurement method of high frequency brightness modulation laser phase for mechanic surface microcosmic appearance is given out.
提出一种新的消除激光二极管正弦相位调制干涉仪中光强调制影响的干涉仪,给出了具体的理论分析。
To decrease the effect of the intensity modulation of the LD on measurement accuracy, a novel LD-SPM fiber-optic interferometer is presented, and the theory of the interferometer is analyzed.
针对内孔零件批量快捷测量的问题,提出了基于反射式光强调制型光纤位移传感器的电子塞规测试系统。
To obtain rapidness in batch measuring of aperture, a system of electronic plug gauge, based on RIM-FODS, was put forward.
研究了反射式强度调制型光纤传感器中反射面的形状对光强调制特性的影响,推导得出了含反射面形状因子的光强调制函数。
In a reflective fiber optic displacement sensor, the influence on intensity modulation property caused by the reflector shape was studied theoretically with the mathematic model found.
本论文在第二部分从不同方面详细介绍了反射式光强调制型光纤加速度计的基础理论,并由此提出了一种新型的加速度计测量方案。
In second part of this paper, base theory of the fiber optic accelerometer is presented in details, according to the principle of reflective intensity modulations new experimental scheme is described.
反射式光强调制型光纤传感技术由于具有其独特的优点,所以在位移检测中得到较为广泛的应用,成为当前国内外的一个研究热点。
For its unique merits, the reflective intensity-modulated fiber-optic sensing technique was widely applied in displacement detection and became research hotspot.
摘要 :采用直接光强调制的方法,建立了一种新型有机电致发光器件(OLED)的光电信号传输体系,研究了发光层掺杂、发光面积和预置电压对OLED响应速度的影响。
Abstract : A new type of optical signal transmission system based on organic light-emitting devices (OLED) has been investigated using direct light intensity modulation method.
摘要 :采用直接光强调制的方法,建立了一种新型有机电致发光器件(OLED)的光电信号传输体系,研究了发光层掺杂、发光面积和预置电压对OLED响应速度的影响。
Abstract : A new type of optical signal transmission system based on organic light-emitting devices (OLED) has been investigated using direct light intensity modulation method.
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