light aperture 中文意思是什麼
light aperture
解釋
光孔徑-
The only light came through a narrow aperture.
僅有的光亮來自一個小孔。 -
If the aperture is circular, a circular spot of light appears on the screen.
如果孔是圓形的，那麼在屏幕上出現一圓形光斑。 -
The aperture allows the desired beam to enter the camera while all other light is intercepted.
孔可以使所需要的光束進入照相機，而將其餘的光線遮擋住。 -
Now remove a small disk-shaped segment from the center of the screen so that light streams through the aperture.
現在從屏的中央挖掉一個圓盤形小塊，使光通過此孔射出。 -
These ideas explain why high numerical aperture, apochromatic lenses can separate extremely small details in blue light
這就是在使用大數值孔徑復消色差物鏡時用藍光照明可獲得超級解析度的原因。 -
Packaging - light gauge metal containers - aperture for plug - in rel plastic closures
包裝.輕型金屬測量容器.插入式rel塑封閉裝置的孔徑 -
To minimise the temperature gradient across the sample, the light aperture in the block is only 2. 5mm ?
為了減小樣品上的溫度梯度，臺體上的光孔直徑只有2 . 5毫米。 -
This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。 -
A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致 -
The amount of light that enters the lens can be controled by the length of time the camera shutter is open for ( the exposure ), and the width of the aperture ( the fstop )
進入鏡頭光的總量可以由照相機快門打開時間的長短（曝光）和孔徑的寬度決定。 -
The unfocused aspherical surface system is one of the main structure of large emiting system. in the system, the more large the relative aperture of primary mirror, the more small the focal length and the tube of system, and the more light the weigth
這個系統中的主反射鏡的相對孔徑越大，其焦距就越短，相應地系統筒長就越短，重量就越輕，這樣就越能滿足車載或機載系統的實戰要求。 -
Some few minutes had elapsed, and the stranger began to show manifest signs of impatience, when a slight noise was heard outside the aperture in the roof, and almost immediately a dark shadow seemed to obstruct the flood of light that had entered it, and the figure of a man was clearly seen gazing with eager scrutiny on the immense space beneath him ; then, as his eye caught sight of him in the mantle, he grasped a floating mass of thickly matted boughs, and glided down by their help to within three or four feet of the ground, and then leaped lightly on his feet. the man who had performed this daring act with so much indifference wore the transtevere costume
過了一會兒，此人開始顯示出不耐煩的樣子，正在這時，屋頂的洞口外面發出了一種輕微的響聲，立刻有一個黑影擋住了亮光，那分明是一個男人的身影，那人正在急切而仔細地察看他身下的這一大片地方，當他看到那個穿披風的人時，他就抓住一簇向下飄垂密密地纏結在一起的根須，順著它滑到了離地三四尺的地方，然後輕輕地跳了下來，他穿著一套勒司斐人的服裝。 -
Frequency modulated continuous wave synthetic aperture radar ( fm - cw sar ) can be miniaturized, and it is fit for light - duty flight platform wonderfully
調頻連續波合成孔徑雷達可以實現小型化，能非常好地滿足輕型飛行平臺對成像設備的要求。 -
Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock
以此設計出限速部分的參數，且初步討論射流功率與轉速之間的關系。研究表明，內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當，有效噴距小，不易排屑和實現其切向剝層優勢；同等條件下，自旋轉噴頭，成孔孔徑大小可依實際需要設計，有效噴距較長，易於發揮其脈沖破巖作用。 -
S saw a dim and bluish light, which, as well as the air, entered, not merely by the aperture he had just formed, but by the interstices and crevices of the rock which were visible from without, and through which he could distinguish the blue sky and the waving branches of the evergreen oaks, and the tendrils of the creepers that grew from the rocks
，唐太斯本來以為洞里一定很黑暗，空氣中一定帶著濃重的腐臭味，但到了裏面，他卻看到一片淺藍色的昏暗的光線，這種光線，象空氣一樣，並非只是從他剛才挖開的洞口那兒射來的，是從巖石的裂縫里穿進來。這些在洞外是看不到的，但到了洞里，卻可以透過它們看到那蔚藍的天空，看到那些長在石縫里的常春藤，卷須蔓和野草的枝葉。 -
Mms - based instruments are ideal for measuring weak, scattering and diffuse sources and samples because the spectrometer can collect and process far more light through its wide area aperture, without affecting spectral resolution
基於mms技術的設備非常適合測量測量難以測量的、散射的發散源以及樣品，因為通過一個大口徑編碼光闌，這種光譜儀就能夠集聚並處理更多的光線，而不會影響光譜解析度。 -
Applying the standard gaussian beam abcd matrix propagation theory, the parameters selection and the corresponding performances of a laser - guide - star emission system are presented theoretically. in received system, the light route matching problems of the micro - lens array and ccd, collimating lens are considered. the performances of seven - aperture and multi - aperture lens arrays are measured by he - ne laser beam
採用高斯光束標準abcd傳輸矩陣理論設計了發射系統參數，討論了不同參數的微透鏡陣列和準直透鏡、 ccd的光路匹配問題，並用he - ne激光束檢測了七孔徑和多孔徑透鏡陣列的工作性能。 -
We using a he - ne laser as light source, an optical tweezers with one optical trap was set up. the laser light and the observation light normally incident the objective back aperture. we can always observe and manipulate dielectric spheres at the top layers
在儀器研製方面，我們將he - ne激光器與顯微鏡系統耦合構建了一套顯微鏡物鏡正置光鑷系統，作為光鑷光的激光從物鏡上方豎直進入物鏡目瞳，這樣光鑷光位於樣品池的上方。 -
The easy - fold feature on the third row and fold - flat capability for both second and third rows should be very practical and the large hydraulically assisted tailgate with wide aperture makes the big boot area easy to load ( for light shopping, the remote control operated tailgate glass is a real boon, opening without the need to unlock the rest of the vehicle )
第三排座位可輕易折起，第二排和第三排座位也可水平放倒，很實用.液壓助力的大后風擋有著很寬的孔徑，可輕易裝載大件貨物. （如果裝小件貨物，可以遙控后風擋，無需開啟其它部件） -
It produce general planning of fibre optic pressure sensor design, established pressure signal measuring mathematic model, deduce lights numerical aperture in bent optical fiber, analyses some kind of photoelectric detection mode. it expound characterization of optical fiber illuminating source and light detector, exhaustively analyse of illuminating source - optical fiber, light detector - fiber optical and fiber optica - fiber optic
論文提出了光纖壓力傳感器的總體方案，建立了壓力信號測試的數學模型，推導出了光在彎曲光纖中的數值孔徑，分析了光電探測的幾種方式。詳盡闡述了光纖、光源和光探測器的特性，對光源?光纖和光探測器?光纖的耦合效率進行了分析。
分享友人