modulated light source 中文意思是什麼
modulated light source
解釋
已調制光源-
A white point source passes through illuminating system, projecting system and projected evenly upon the filter whose wavelength is varied linearly. the colorful light through the filter is projected on a white object. modulated by the shape of the object, the deformed color pattern which has 3d depth information is captured by a pick - up camera
該系統採用白色點光源，經過照明系統、投影系統均勻照射到波長線性變化的濾光片上，從濾光片透射出的彩色光條投射到白色物體上，經過物體形狀的調制，由攝像機攝取變形的顏色圖案，它具有三維深度信息。 -
In this paper they study a position - detecting system based on microprocessor and psd ( position sensitive detector ). the method is as follows : when the ac - signal from psd which is illuminated by modulated light source passes through an active band - pass analog filter, it filters the ac signal which represents the object light source. then the dc - converter circuit transforms it into dc - signal which is used to calculate the position
這一系統採用的方法是通過對位置敏感探測器psd受到調制目標光源照射后輸出的模擬交流信號進行有源帶通濾波，提取出代表目標光源的調制頻率成份，再將該信號轉變為用來參與位置解算的直流信號，然後選用單片機組成硬體電路，對直流信號進行採集處理並與計算機建立通信，把數據送入計算機進行位置解算，分析判別目標光源和psd器件的相對位置。
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