介绍了一种基于FPGA的傅里叶变换光谱仪动镜速度测量系统。
A speed measuring system of moving mirror for Fourier transform spectrometer (FTS) based on FPGA is introduced.
自动化：微处理器控制光学台，数字化动镜控制，自动增益选择，高级的系统诊断，自动节电模式。
Automation: Microprocessor controlled optical bench, digital speed control, automatic gain selection, advanced system check, automatic power saving mode.
自动化：微处理器控制光学台，数字化动镜控制，自动增益选择，动态分辨率增强，高级的系统诊断，校正滤波器。
Microprocessor controlled optical bench, digital speed control, automatic gain selection, and dynamic resolution enhancement, advanced system check.
采用了双光束干涉的迈克尔逊干涉仪系统的傅里叶变换红外光谱仪，在动镜运动过程中，动镜可能在三个方向发生倾斜。
The Michelson interferometer system which has two-beam interference is applied in Fourier Transform interferometer, the moving mirror could tilt in three directions in motion.
该系统通过实验验证，达到速度偏差为满量程小于0.5%的控制精度要求，能够满足近红外光谱干涉仪动镜的精确匀速运动控制要求。
By system experiments, pace deviation has been less than 0.5% of the control precision require for full span, and this system can meet the interferometer accurate uniform motion co...
一个鸟类观察者用他的大望远镜观察他的一举一动，没人知道为什么。
A birdwatcher kept an eye on his activities with his large binoculars.Nobody really knows why.
一个鸟类观察者用他的大望远镜观察他的一举一动，没人知道为什么。
A birdwatcher kept an eye on his activities with his large binoculars. Nobody really knows why.
有士兵坚称他们在夜间站岗时，尤其是午夜到凌晨4点之间，通过夜视镜看到了奇怪的光，还听到了类似爬动的声音。
Soldiers said they could see weird lights through night-vision goggles and hear odd creepy sounds at night, especially from midnight till 4 am.
通过理论分析，完成了F - P MCIRDA的优化设计，确定了可动微镜的结构参数。
Optimal design of F-P MCIRDA has been achieved and structure parameters of movable micro-mirror has been determined by theoretical analysis.
上层可动光栅与下层反射镜构成一个位相光栅，其相位由外加驱动电压控制。
The moveable grating and the bottom mirror compose a phase grating whose phase difference is controlled by the actuating voltage.
该系统通过调整两块可动子镜，使其焦面光斑的质心位置与固定镜的重合校正子镜间的相对倾斜。
Segment alignment of tip-tilt is fulfilled by overlapping diffraction pattern centroids of the three individual segments on the focal plane.
该系统通过调整两块可动子镜，使其焦面光斑的质心位置与固定镜的重合校正子镜间的相对倾斜。
Segment alignment of tip-tilt is fulfilled by overlapping diffraction pattern centroids of the three individual segments on the focal plane.
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