本实验是利用两块空间频率相同的黑白光栅产生的莫尔条纹来测量长焦距透镜的焦距。
In this experiment, we use two gratings with the same frequency to generate Moire fringes and use them to measure the long focus length of lens.
大多数现代的液晶显示器通过发光两极管(LEDs)产生这种白光，并使其漫射到遮光栅栏后的屏幕专用漫射层上。
In the most modern LCDs this light is generated by light-emitting diodes (LEDs) and is then diffused in a special layer of the screen behind the shutters.
光学系统采用白光灯加准直镜，以平行光照射光栅面，通过光栅副产生莫尔条纹。
The optical system uses the fluorescent lamp with the collimation mirror, incident the grating surface by the parallel light, in order to produce the moiréfringe through the grating.
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。
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.
本文提出一种全新的方法，成功地解释了白光照射驻波超声场形成的光栅效应。
A completely new method has been given in the present paper it has explained successfully grating effect formed by ultrasonic stationary waves field directly irradiated with white light.
扫描波长时，探测干涉仪的三路输出白光干涉光谱，以及标准具和光纤光栅的透射谱。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
扫描波长时，探测干涉仪的三路输出白光干涉光谱，以及标准具和光纤光栅的透射谱。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
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