double grating 双光栅
double grating spectrograph 双光栅摄谱仪
double-grating filter 是自由空间双光栅滤波器
double grating scale 双光栅尺
This text apply both the Fourier optics’ related functions and the analytical method of powerspectral,dicuss the digree of transparency of grating,analyses the powerspectral of Moire fringe as well as the transmission type of double grating electrooptical signal’s freqency spectrum.
本文运用傅里叶光学的相关函数及功率谱的分析方法,通过光栅透过率函数的相关讨论,分析了莫尔条纹的功率谱,以及透射式双光栅光学读数系统输出的光电信号的频谱。
参考来源 - 高精度绝对式编码器Sinc函数指示光栅的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Based on Lau effect in double grating, the focal distance of lens is measured.
根据计量光栅的特点,可以利用双光栅效应测量透镜焦距。
The double grating monochromator structure of pure rotational Raman lidar is introduced and the corresponding lidar equation is deduced.
介绍了双光栅转动拉曼激光雷达的双光栅单色仪结构,并推导了相应的雷达公式。
Precise positioning using moire signal from double grating diffracting has high sensitivity and positioning accuracy.
利用双光栅衍射得到的激光莫尔信号进行精密定位具有很高的灵敏度和定位精度。
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