light source filter 中文意思是什麼
light source filter
解釋
光源濾光鏡-
The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system
以880 、 950nm的近紅外led為光源， 14個窄帶干涉濾光片為單色器，以硅光電池為檢測器，經ad轉換得到數字信號，送單片機處理。 -
The knowledge source which have relative stable form and glossary is analyzed, and the data mining step for this kind of knowledge is designed, viz. filter by key word - intercept - field specialist confirm. the standard glossary table and the " value " of each words is established, which enhance the expert system ability to knowledge acquisition and light the rough task of knowledge banks maintenance
分析了具有相對固定格式和術語的知識源，設計了適用於這類知識源的電子文本知識挖掘的步驟，即：關鍵詞過濾?截詞?專家確認；形成了專業用語的標準化表和標準詞賦值表，增強了系統的知識獲取能力，減輕了專家系統的知識系統維護。 -
To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony
摘要大量非線性負荷的投運，使農村電網的諧波污染日趨嚴重，通過對農村地方電網主要諧波源的分析，最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數，以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式，以進行諧波治理。 -
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 the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals
首先，論文從分散式光纖光柵應變傳感網路的理論模型入手，分析了光纖布拉格光柵的傳感機理，建立光纖光柵應變傳感模型；在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上，提出應用光頻域反射復用技術和波分復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題，採用由寬帶光源和可調諧光濾波器組成的可調諧窄帶光源來解調復用信號，通過理論分析和實驗研究證實了系統方案的可行性。 -
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。 -
And then, the different demands of position detecting on different light source and different distance are discussed. the different effects of position detecting on different circuit parameters and different center - filter frequencies are compared experimentally. after analyzing the factors that influence the speed and the precision of position detecting, the paper put forward the improving measures
本文對不同環境光照和不同測試距離下的位置測量要求進行了探討，對不同的電路匹配參數和不同濾波中心頻率的位置測量結果進行了實驗比較，認真分析了影響位置測量響應速度和精度的因素，提出了提高psd器件的抗雜光干擾能力和位置測量精度的措施。
分享友人