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collimation

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collimation n.校準，瞄準；【物理學】準直。

n. 校準，瞄準；【物理學】準直。 “adjustment for collimation“ 中文翻譯：   視準軸校正“auto collimation“ 中文翻譯：   自準“axis of collimation“ 中文翻譯：   視準軸,準直軸; 校準軸; 準直軸“beam collimation“ 中文翻譯：   光束準直; 射線束準直; 束良直“binocular collimation“ 中文翻譯：   雙目準直“collimation accuracy“ 中文翻譯：   視準精度“collimation adjustment“ 中文翻譯：   視準改正，視準校正“collimation axis“ 中文翻譯：   視軸; 視準軸; 照準線; 準直軸“collimation constant“ 中文翻譯：   視準常數“collimation correction“ 中文翻譯：   視準差改正; 視準改正“collimation equipment“ 中文翻譯：   瞄準裝置“collimation error“ 中文翻譯：   瞄準誤差; 視準差; 視準誤差; 準直差; 準直誤差“collimation lens“ 中文翻譯：   準直鏡“collimation level“ 中文翻譯：   準直水平“collimation line“ 中文翻譯：   視準線; 校準軸線; 照準線，視準軸; 準直軸“collimation mark“ 中文翻譯：   框標; 框直標志“collimation method“ 中文翻譯：   視準法“collimation plane“ 中文翻譯：   視準面; 準直面“collimation system“ 中文翻譯：   準直系統“collimation technique“ 中文翻譯：   準直技術“collimation tower“ 中文翻譯：   瞄準塔“electronic collimation“ 中文翻譯：   電子準直“error of collimation“ 中文翻譯：   視準差; 視準誤差; 準直差“fine collimation“ 中文翻譯：   精細準直的“collimating telescope“ 中文翻譯：   視準望遠鏡; 準直望遠鏡“collimating staff“ 中文翻譯：   視準標桿

collimator

In the system , the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made . the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system , the high - speed photoelectric transition and electronic data process . two measured results of the diametric directs and ellipse tolerance , etc , parameter , of the turning workpiece on the same plane are obtained by non - contact automatic measurement 在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其采用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。

Because the air - borne imaging system is required a far acting distance and the focal length of its optical system is long . influenced by the unsteady or moving platform mounted on plane , the change between the frames of image sequence is more . problems of image fuzziness and instability tend to be striking out , which becomes a bottleneck restricting the air - borne reconnaissance , collimation , evaluating beat effect 機載光電成像系統，由于要求作用距離遠，故其光學系統焦距長，受其載體姿態變化和振動的影響，圖像序列幀間變化過大，造成觀察者覺得模糊、不穩定，己成為制約空中偵察、瞄準、打擊效果評估等功能的瓶頸。

At first , the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief . then , the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision . at last , the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing 文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素，然后對系統的激光準直方案進行論證，并確定了無衍射光束的生成方案、高精度自動安平系統的結構方案，最后以ccd為接收器件，通過計算機圖像處理，完成對軌道直線性的測量。

The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator . efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate . the mechanisms of halos are complex , such as nonlinear resonances and chaotic behavior etc . considering this , professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos . he presented the method to control halos by using nonlinear functions , which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations . in paper [ 69 ] , controllerg = - 0 . 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0 . 1078 , the halos are removed partly 束暈?混沌的控制是新一代強流加速器研制的關鍵問題，隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微，因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基于此，中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用于束暈?混沌的控制上，提出了控制束暈?混沌的非線性控制策略，即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g ：并選取一些非線性函數如等進行了控制的模擬研究，將束暈強度控制在0 . 1078左右，取得了初步的控制效果。

Presented four methods of laser collimation , realized 3 of them with the software of zemax , and meted the requirement of the system design ; 3 . realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4 . after image grabbing and processing , picked up the profile of the train wheel 作者獨立完成的工作包括： 1 、提出了曲面測量的光學系統的整體方案； 2 、提出了四種激光擴束的方案，用光學設計軟件zemax完成了其中三種的設計；經過像差分析和追跡，達到了準直擴束的要求； 3 、點光源到線光源的單方向擴展，達到了覆蓋輪緣踏面的要求； 4 、通過實驗采集圖像和圖像處理，提取出被測輪緣的輪廓。

On the basis of that , systematical theoretical analysis was made on the collimation effects of the homogenous medium micro - sphere lens and the grin micro - sphere - lens , which has demonstrated the feasibility of producing better fiber collimator with grin micro - sphere lens . from that many valuable technical parameters were obtained . at the same time , we fabricated a few of fiber collimators using homogenous glass micro - sphere lenses and grin micro - sphere - lenses respectively , ( for short : s - lens collimator ) and we find the results of the experiment and theoretical computation are coherent 在此基礎上，對用各種不同參數的均勻介質微球透鏡和grin微球透鏡制作光纖耦合準直器的性能進行了系統的理論分析，證明用grin微球透鏡可以制備性能更為優越的光纖準直器，并獲得一批具有參考價值的技術參數；同時，我們分別用玻璃均勻折射率微球透鏡，以及我們自制的聚合物grin微球透鏡制作了一批光纖準直器(可簡稱為s -透鏡準直器) ，實驗結果與理論計算的結果一致。

According to the theoretical model of light transmission in the grin medium , theoretically demonstrate the feasibility of the novel couimator via the theoretical computation of the collimation of the maxwell fisheye lens and the micro - sphere lens we made . chapter 5 . introduce the fabrication process of polymer grin micro - sphere couimator and analyze its effect of collimation 第五章介紹分別用玻璃和聚合物均勻折射率微球透鏡，以及我們自制的安徽大學碩士畢業論文摘要聚合物grin微球透鏡制作光纖準直器的研制過程，并對其準直性能測量結果進行了比較和分析。

According to the actual work environment and the request of technique index , the laser collimation matched digital image processing technique are adopted to realize the measurement of multi - barrel parallelism in this system project . in order to validate the feasibility of this project , this paper contrives a few principles experiments and gives forth an algorithm suite 根據實際工作環境和技術指標的要求，本系統采用了以激光準直技術配合數字圖像處理技術未實現多管平行性測量的方案。本文為了驗證該方案的可行性，設計了幾個原理實驗，并提出了一套算法。

The new angular distortion real - time measuring system is developed , which utilizes photoelectric self - collimation parallel optic equipment , replicate optic equipment and other equipment fixed on desk , using computer control system to realizes real - time measuring vessel distortion 摘要研制一種新型的角變形實時測量系統，其利用布設在甲板上的光電自準直平行光管和折轉光管等相關設備，通過計算機控制系統實現實時測量艇體兩維動態變形量。

This platform is used for testing the performance of su - 27 aircraft and 31e - mk optoelectronic collimation integrated system . it uses all - digital servo control system to enhance the performance of the simulation platform in order to get higher precision and better stability 其用于在內場檢測蘇二七飛機31e - mk光電瞄準綜合系統的工作性能，在本模擬狀態中采用全數字伺服控制系統，使模擬轉臺控制精度更高，穩定性更好。

Increased speed combined with thin slice collimation obviously improves the spatial and temporal resolution , which provides a higher sensitivity in the detection of liver lesions , particularly for the hepatocellular cancer ( hcc ) in patients with cirrhosis 加快的掃描速度與薄層結合顯著提高了空間和時間分辨率，從而提供了對肝臟病變，尤其是患有肝硬化的肝細胞癌患者更高的診斷敏感性。

Adopt project practical quaternion algorithm of strapdown navigation system , analyze systematic error source , emulation prove the output change of sins in there is device error of inertia and the initial condition of collimation error 采用了工程上實用的四元數捷聯導航系統的算法，分析了系統誤差源，仿真驗證了捷聯慣導系統在有慣性器件誤差及初始對準誤差情況下的輸出變化。

This paper presents an study on the interior orientation techniques in computer vision , and proposes a collimation mark recognition algorithm which applies to practicality images on barycenter of symmetrical figure 介紹了對計算機視覺中數字影像的內定向技術的進一步研究，對現有框標識別方法進行了改進，提出了基于對稱圖形重心的框標自動識別方法

This products has big output power , good collimation , beam with small size . it meets needs of far resistance working or high brightness working such as stage lights , landscape project and so on 此類激光器出口光功率大，準直性好，光束發散度小，適應于遠距離工作或高亮度的工作要求如舞臺燈光或景觀工程等。

Quadrants sensor based on silicon are now widely used in many fields , such as laser collimation , homing , tracking and searching devices , precision measurement et al 基于硅光電傳感的象限傳感器廣泛應用于激光的瞄準、制導、跟蹤，搜索裝置，精密測量，如激光微定位、位移監控、精密機床的光電控制等領域。

Multi - detector row computed tomography ( ct ) offers important advantages over conventional imaging methods in the evaluation of the portal venous vasculature because of faster scanning and thinner collimation 在臨床上，醫師事先能確認病人之門靜脈血行狀況及側枝靜脈圖譜，對于治療計畫之擬定有極大的幫助。

The theory analysis and calculation show the project adopted in this paper improves the collimation precision of the beam and the accuracy of measurement greatly 理論分析與計算表明，測試系統所采取的方案大大地提高了光束的準直精度，從而提高了系統的測量精度。

However , if you plan to use a laser collimator in step 3 , you should be aware that even a tiny misadjustment here will throw off the final collimation 然而，如果你計劃在第3步中繼續使用激光校準器的話，你就要仔細調整了，否則差之毫厘，謬以千里。

Our collimation testers are lateral - shearing interferometers that can be used to examine and adjust the collimation of laser light 我們的剪切板準直度測量儀是用于檢查和調整激光光束準直度的橫向剪切干涉儀。