signal lens 中文意思是什麼
signal lens
解釋
號志鏡面-
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。 -
Signal transduction mechanism of inhibition of elemene on proliferation induced by recombinant human epidermal growth factor in lens epithelial cell
欖香烯抑製表皮生長因子誘導的晶狀體上皮細胞增殖的信號轉導機制 -
Camera use transmitter and ccd components, fixed - focus camera, or electrical zoom lens, optical transmission control signal
攝像儀採用光端機、 ccd組件、定焦鏡頭或電動變焦鏡頭，以光纜傳輸監控信號。 -
In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched
首先，從er ~ （ 3 + ） - yb ~ （ 3 + ）能級結構出發，結合激光穩態速率方程與傳輸方程，對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析，並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。 -
Arm signal lens
臂板表示鏡 -
The digital oral endoscope is designed and realized in this paper, which is based on the technologies of digital signal processing and database, by using gradient refractive index rod lens, that is grin - lens, and photo - electronic imaging device
摘要以梯度折射率透鏡（自聚焦透鏡）為攝像鏡頭，通過光電轉換，結合數字信號處理和數據庫技術，設計並實現了數字化口腔內窺鏡。 -
By analyzing the design principle, the paper devised an image source signal alternated with black and white strip and it has a good effect. meanwhile, the system demand of imaging link was analyzed, such as light source, lens and camera etc. in addition, the principles of both the correlation algorithm and generalized correlation time delay estimation based on adaptive technology were studied, and a comparison between them was made as well
本文中分析了圖像源信號的設計原則，並設計了一種黑白相間的傾斜條紋圖案作為圖像源信號，獲得了良好的測量效果;分析了測量系統對光源、鏡頭、相機等成像環節的要求;研究了相關演算法和基於自適應技術的廣義相關時延估計法兩種數據處理演算法的原理，並對兩種方法的性能進行了比較。 -
It has put forward a imaging method of acoustic lens using photoacoustic signal and according to the kirchhoff diffraction theory we deduced pulse response of acoustic lens
光聲信號聲透鏡層析成像方法的提出，並依基耳霍夫衍射理論推導了聲透鏡的脈沖響應。 -
The video signal from digital cmos image sensor is calculated in dsp to get a focus value, then the proper focusing position is found using optimized hill - climbing searching arithmetic, the step motor will drive the lens to this position to get a well focused image
由數字cmos圖像傳感器獲取的視頻圖像，經過dsp處理，得到最佳的對焦評價值，通過優化的搜索演算法，計算出正確的對焦位置，驅動步進電機將鏡頭移到對焦位置。
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