beam-focusing 中文意思是什麼
beam-focusing
解釋
焦點相合-
The projector and beam of light represent the elohim creator beings consciousness, the celluloid and focusing device on the projector represent the template and its synchronization function, the screen represents the magnetic receptacle or matrix which will receive the higher image, and the image ( projection ) is the creation itself
投影機和光束表徵了耶洛因創造者的存在意識，投影機上的賽璐珞和聚焦裝置表徵了生命模板和它的同步功能，銀幕表徵了磁場容器或矩陣能量，矩陣能量可以接受到更高級的圖像，而圖像（投射）就是創造物本身。 -
The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。 -
On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam
論文研究論證了用值評價激光光束質量的實際意義在於兩個方面，一方面它僅僅包含了光束束寬和發散角，不涉及波長的因素，使不同波長激光束的可加工能力具有可比性;另一方面，值是根據對光束傳輸路徑上不同位置處束寬實際測量結果的計算值，比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。 -
4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr
4單聚焦單鏡頭：為panasonic率先採用的單激光頭單聚焦鏡雙聚焦點方案，他採用特別的全息綜合透鏡，通過透鏡中間部分的激光束形成cd的聚焦點，通過透鏡邊緣部分的激光束形成dvd的聚焦點，這種結構由於沒有機械傳動，也不會產生機械故障，所以提高了認盤速度，不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。 -
As the percentage of flexible space structures and the requirement for control accuracy continuousely increase, the control of flexible space structures is increasingly important. focusing on the problem of vibration control of clamped beam, the thesis studied the application of wave absorbing theory to the vibration control
隨著空間結構中的撓性結構的比重的不斷增加和軌道、姿態控制精度要求的不斷提高，使撓性結構振動控制日益重要，本文針對懸臂梁的彎曲振動控制問題，研究了波吸收器在振動控制中的應用。 -
The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam
考慮多光子電離效應和光學kerr效應，首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸，詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系，提出了實現長距離傳輸的條件。 -
The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。 -
It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality
實踐表明，非線性自聚焦效應是限制icf驅動器激光輸出能量及破壞光束質量的主要因素之一。 -
Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed, in which the relativistic self - focusing effects, together with the perturbed plasma density, is discussed
第二章：本章闡述了超強激光光束在拋物型部分電離的預等離子體（聚焦和散焦）隧道中的傳輸特性。研究了相對論自聚焦效應和等離子體波引起的密度擾動對傳輸的影響。 -
Based on this, a case of typical external self - focusing effect, hot - image, has been analytically and experimentally investigated in this dissertation. the principal work is as follows. ( 1 ) intense laser beam propagation equation, the paraxial wave equation, has been derived
論文的主要內容為如下幾部分： （ 1 ）從電磁波的基本傳播方程出發，推導了描述強激光在透明克爾介質中傳輸行為的非線性近軸波動方程。 -
Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna
單波束點聚焦透鏡天線是多波束聚焦透鏡天線的基礎和關鍵，只有充分精確地分析了單波束點聚焦透鏡天線解析度大小和焦斑位置，以及單個波束的偏移產生的相應影響，才能設計多波束聚焦透鏡天線。 -
Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states
利用聚焦的強激光束入射固體靶表面產生激光等離子體，對等離子體中原子和離子發射譜進行雜質元素分析，這一過程叫做激光誘導擊穿譜（ laser - inducedbreakdownspectroscopy ） ，簡稱（ libs ） 。 -
To deal with the case of 2 dimension spatial self - focusing, it predicts the catastrophic collapse of a self - focusing beam in a kerr medium. this un - physical collapse is due to the invalidity of the paraxial wave equation in the neighborhood of a self - focus
在該理論應用於空間二維的自聚焦時，出現了光束將無限聚焦的結果，這在物理上是不可想像的，原因是在自聚焦點附近傍軸方程已經失效了。 -
The basic model about a novel plane yoke and focusing performances when electron beam is making a large angle deflection are discussed
摘要討論了新穎的平面形偏轉線圈的基本結構模式及其在電子束大角度偏轉時所具有的聚焦特性。 -
A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target
本文的主要工作是針對彈道靶尾跡微波干涉儀里的點聚焦單波束捕捉目標的有效性能不足，而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線，以增大捕捉范圍和提高中靶率。 -
Chapter 4 : in this chapter, we derive the formula of ponderomotive force from lorentz equation and analyze the effect of ponderomotive self - channeling ( psc ) firstly. it is found that the effect of psc enhances the effect of beam focusing. and a nonparaxial propagation equation including the effect of psc is established
分析激光傳輸過程中的有質動力自通道效應，結果表明，有質動力自通道效應能增強激光自聚焦，在此基礎上建立了包含有質動力自通道效應的非傍軸傳輸方程。 -
Second the model of array was considered to have elements of finite width and infinitely large elevation dimension. this model ignore the effect of elevation on beam focusing. this paper study on phased array which was considered to have elements of finite width and finite elevation dimension, the influences of transducer parameters on focusing effect is analy / ed, including the number of elements ( n ), interelement spacing ( d ), elevation dimension ( l ), width dimension ( )
這種方法雖然計算方便，但實際很難實現，真正的振元總是有一定的尺寸，這種方法忽略了陣元的尺寸對聚焦效果的影響，后來，另一種線性陣的模型被提出，即認為單個陣元具有一定寬度a ，長度l為無限長，或者說a遠小於l ，這種模型忽略了陣元長度l對聲波聚焦效果的影響。 -
Multiple beam focusing horn lens antenna is an important part of interferometer. multiple beam lens antenna ’ s designing and measurement are crux because antenna ’ s far - field focusing ability is used to judge interferometer ’ s capability
多波束聚焦透鏡天線是掃頻式干涉儀診斷技術的重要部件，它們的性能直接關繫到干涉儀系統指標的優劣，因此對多波束聚焦透鏡天線的設計和測量也很關鍵。 -
2. the analytical pressure distribution of ultrasonic phased array for the beam focusing was obtained using the huygen s principle, by use of computer software, the pressure distribution was plotted. 3
根據相控陣的延時聚焦原理，推出了相控陣的聲壓分佈表達式，採用數值分析法，利用計算機軟體畫出了聲壓分布圖。 -
3. the analytical pressure distribution of ultrasonic phased array for the beam focusing was obtained using the huygen s principle, by use of computer software, the pressure distribution was plotted. ( 3 )
根據相控陣的延時聚焦原理，推出了相控陣的聲壓分佈表達式，採用數值分析法，利用計算機軟體畫出了聲壓分布圖。
分享友人