錐光線 的英文怎麼說
中文拼音 [zhuīguāngxiàn]
錐光線
英文
pencil of light-
That region of the plate is quite small and so the cone of diffracted rays, for the most part, misses it.
相板上的這一區域是很小的，因此衍射光線錐的絕大部分不通過它。The oil-immersion objectives just described admit a wider cone of rays than a dry objective of the same diameter would.
剛才描述的油浸物鏡與直徑相同的干物鏡相比，可容納更寬的光線錐。We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current
本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先，雷達天線照射到天線罩內壁，應用物理光學法求出內壁等效的電流和磁流，其次，根據傳輸矩陣理論求出外壁等效電流和磁流，天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上，利用fourier光學成像理論，討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響，導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數，得到了它們在不同激發波長與熒光波長比值時具體的表達式，並且通過數值計算，得到了它們的曲線圖，結果表明：隨著激發波長與熒光波長比值的增加，焦斑的橫向分佈和縱向分佈變窄，橫向解析度和縱向解析度提高，系統的成像效果變好，當激發波長與熒光波長的比值下降到一定程度時，可以看到不同程度的失錐現象。When the pigment absorbs light ( or, more precisely, absorbs discrete packets of energy called photons ), the added energy causes the retinal to change shape, triggering a cascade of molecular events leading to excitation of the cone cell
視色素一旦吸收了光線（更精確的說法是吸收了稱為光子的特定能量單元） ，新增加的能量就會改變視黃醛的形狀，因而引發一連串的分子事件，造成錐細胞的興奮。In short, the skylight stimulates the red and green cones almost equally, while stimulating the blue cones more strongly
總之，天空的光線刺激紅色錐體和綠色錐體的強度幾乎相等，而刺激藍色錐體的強度最大。In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object
同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度，該演算法可以減少光錐向圖像平面投影計算的次數，以邊池搜索取代散亂點集上進行的三角剖分； （ 2 ）基於退化多邊形求交的多面體可見殼模型重構，系統引入退化多邊形的概念，把錐體平面的交集中不連通的部分用一個退化多邊形來表示，並引入了新的基於退化多邊形的求交演算法，與傳統多面體可見殼重構相比，該演算法有以下幾點創新：在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集，把任意錐面與物體輪廓的交集歸一到一個退化多邊形；基於退化多邊形的二維平面上多邊形快速相交演算法，該演算法在一定程度上就是兩個有序鏈表的合併，大大簡化了先前的布爾求交計算； （ 3 ）基於光線跟蹤的演算法，該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算，最後得到每次求交計算得到線段的交集，該線段的頂點就認為是物體表面點，從而得到物體表面的點雲。For the coupling between the laser diode and the tapered single - mode fiber, the overlap integral is used to compute the coupling efficiency on the basis that the laser diode outputting mode field and the fiber eigenmode field is approximated to basic - mode gauss field. and based on the same approximation, the coupling efficiency between the semi - tapered fiber and the laser diode is calculated by using the ray - traced method. the parameters are analyzed for the effect on the coupling efficiency and give the theory foundation to optimize the design of the tapered fiber coupling system
首先通過對半導體激光器輸出模式場和光纖本徵模式場的高斯基模近似，利用交疊積分計算了錐形單模光纖與激光器的耦合效率問題；其次依據以上近似，利用光線跡蹤法計算了半錐形多模光纖與激光器的耦合效率問題，給出各個參數對耦合效率的影響和作用，為優化設計錐形光纖耦合系統提供了理論依據。The high - voltage isolation optocoupler has been developed successfully, and its characteristics have been analyzed, it has some excellent merits, such as simple structure, working on stable status and high speed and so on. it will be extensive applied in high - voltage working environment extensively. 3 ) adopt hollow taper cavity to conduct the light in order to improve the stability and reliability of the high - voltage isolation and linearity optocoupler that can ’ t run very well
3 、針對高壓隔離線性光電耦合器的穩定性、可靠性不佳的狀況進行研究，提出了解決辦法，設計了空心錐腔進行導光，研製出了高穩定性、高可靠性的高壓隔離線性光電耦合器，對該器件的性能進行了分析，與改進前相比，穩定性、可靠性都有較大提高。The tapered and semi - tapered fiber can be arranged in line or array, which has the wide application to the laser diode pumping solid state laser and the power outputting of the high - power laser diode array
這種錐形和半錐形光纖耦合系統可以方便的排成線陣或陣列，在二極體激光器泵浦固體激光器的泵浦光源輸出、大功率半導體激光器陣列的光功率輸出都有重要的應用價值。Inside the lantern is a conical mirror which can be lowered to improve lighting conditions for broadcasters
在這個燈罩裏面，是一個錐形的鏡面，可以放低（有利於光線進入）以改善廣播間的照明環境。分享友人