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collimator

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collimator n.【物理學】準直儀，準直管，平行光管。

n. 【物理學】準直儀，準直管，平行光管。 “alignment collimator“ 中文翻譯：   視準儀“auto collimator“ 中文翻譯：   自動視準儀“beam collimator“ 中文翻譯：   光束平行光管; 光束準直儀; 射束準直器; 射線束準直儀; 束準直儀“benelex collimator“ 中文翻譯：   本尼萊克斯準直儀“bottom collimator“ 中文翻譯：   底部準直儀; 井部準直儀“bridge collimator“ 中文翻譯：   橋式準直儀“collimator axis“ 中文翻譯：   準直軸“collimator distance“ 中文翻譯：   準直距離“collimator finder“ 中文翻譯：   視準檢影器“collimator focusing“ 中文翻譯：   準直儀聚焦“collimator lens“ 中文翻譯：   準直透鏡“collimator magnet“ 中文翻譯：   平行瞄準鏡磁鐵; 準直儀磁鐵“collimator port“ 中文翻譯：   準直儀入射窗“collimator prism“ 中文翻譯：   準直儀棱鏡“collimator ray“ 中文翻譯：   準直儀射線“collimator resolution“ 中文翻譯：   準直器分辨率“collimator set“ 中文翻譯：   準直儀設備“collimator sight“ 中文翻譯：   視準式瞄準具“collimator stand“ 中文翻譯：   準直器架“collimator trolley“ 中文翻譯：   準直儀車“collimator tube“ 中文翻譯：   準直管, 平行光管; 準直管，平行光管“collimator viewfinder“ 中文翻譯：   準直錄像器; 準直錄象器; 準直取景器“column collimator“ 中文翻譯：   圓柱型準直器“converging collimator“ 中文翻譯：   會聚型準直器; 聚合型準直器“collimationplane“ 中文翻譯：   準直面“collimationmethod“ 中文翻譯：   視準法

This article systematically describes and analyses the practice applications of the modern project management in the execution of henan coasters technical innovations with the national debts with rich contents and sufficient data as well as complete structure , based on the background of “ the project on technical innovation of special lens series and night - vision collimator “ 本文以我公司“特種鏡頭和夜視瞄準鏡技術改造項目”為背景，通過翔實的內容、充分的數據、完整的結構系統地論證分析了現代項目管理在河南中光學集團國債技改項目的實踐應用。本項目就過程而言主要包括前期準備和過程實施兩個階段。

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In order to measure the field of view matching of digital binoculars , the depth of optic axis parallelism and field of view matching are measured respectively . the collimator and pre - set lens are used to measure the depth of parallelism of optic axis . field of view meter is used to measure the field of view of binoculars and camera 為了檢驗數碼望遠鏡的視場匹配度,提出了采用平行光管和雙管前置鏡的組合測量光軸平行度以及采用視場儀測量數碼望遠鏡的望遠鏡和數碼相機的視場大小的方式,并對數碼望遠鏡的視場匹配度與望遠鏡和數碼相機的視場大小關系進行了理論推導,導出了數碼望遠鏡的視場匹配度測量的實際計算公式。

The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements , for example , van de graff accelerator , bending magnet , magnetic quadruple lenses , beam shutter , collimator and so on . the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments . many experimental results are discussed by theories according to experiments 本文重點討論了中科院離子束生物工程學重點實驗室單粒子束裝置的束流傳輸部分，對主要部件進行了詳細的討論，如：靜電加速器、偏轉磁鐵、磁四極透鏡、束線開關、瞄準器等，實驗中已取得束流穿過10 m小孔的標志性成果，并運用相關理論結合具體實驗分析了實驗結果。

Firstly , we compared the domestic with the foreign products , analyzed the advantages and disadvantages of existing domestic products ; to reduce patients ray radiation , facilitate the operation and enhance the level of automation , at the same time , considering the goal of the sets , we made function goal of collimator subsystem 首先,在對比國內外產品的的基礎上,對國內的現有產品的優缺點進行了分析,結合整機的設計目標,以減少對患者的輻射、便于醫護人員操作和提高自動化水平為目標,確定了限束器子系統的功能目標。

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分辨率曲線；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。

This article systematically describes and analyses the practice applications of the modern project management in the execution of henan coasters technical innovations with the national debts with rich contents and sufficient data as well as complete structure , based on the background of “ the project on technical innovation of special lens series and night - vision collimator “ 本文以我公司“特種鏡頭和夜視瞄準鏡技術改造項目”為背景，通過翔實的內容、充分的數據、完整的結構系統地論證分析了現代項目管理在河南中光學集團國債技改項目的實踐應用。本項目就過程而言主要包括前期準備和過程實施兩個階段。

X - ray collimator subsystem is the important part of x - ray machine , and its main function is confine the scope of x - ray beam , to reduce the radiation harm to patients ; another function is realizing the multi - scope exposure on one film working with the film motion and shielding system X光機限束器子系統作為x光機的重要組成部分,其主要用于對x光束的照射范圍進行限定,以減少對患者的輻射,以及配合點片系統實現對x光膠片的多分片功能。

We tested and analyzed the translation and angular misalignment sensitivity of the collimators for the switch assembly . the characteristics of switching speed was compared with that of a numerical solution by using finite element analysis ( fea ) and a good agreement was obtained 然后通過有限元分析軟件ansys對微驅動單元進行了電磁場分析，并對光開關的開關時間進行了計算，計算結果與實際測量結果相近，此開關實測速度小于2ms 。

Digital binoculars are new products and so there are no data about the test of the resolution and field of view matching . in order to measure the resolution of digital binoculars , the method based on the combination of collimator and resolution chart is proposed 為了檢驗數碼望遠鏡的分辨率,提出了采用平行光管和鑒別率板的組合來測量的方式,并對鑒別率板的離焦量、平行光管焦距與鑒別率板的匹配進行了理論推導。

Along with the developing of technology , the higher precision demand is put forward to collimator . traditional collimator is influenced by the error of measure principle and artificial factors . it is difficult to make a great progress 隨著科學技術的不斷發展，對測角儀也提出了更高的精度要求，傳統的測角儀受到測量原理誤差以及人為因素的影響，很難有較大突破，因此，探索一種有較高測量精度的測角儀勢在必行。

This paper research the principle of two dimensional collimator system in which the area - array ccd , cpld circuit and dsp chip are used . digital acquisition and processing hardware and software were designed . the test result was given 本文研究了用cmos作為接收器件，用cpld電路和dsp芯片進行系統流程控制和數據處理的二維變形測角儀的系統原理，設計了數據采集、處理的硬件軟件，并進行了實驗。

As the pioneer and technology leader for fiber optic in taiwan , baycom now are producing and design kinds of coupler , wdm , connecter , converter , transceiver , optical switch , patch cord , pigtail , collimator , etc ，目前冠德光電已擁有完整之上、中、下游產品線，包含了各式光耦合器,分波多工器,光連接器,光電轉換器,光傳輸模組,光纖光柵,跳接線,光纖引線,準直器等光通訊元件。

Collimator is a kind of high precision apparatus . the principle is testing tiny by optics imaging . it can be used to revise the kickstand of aircraft and the launch kickstand of missile , to check the gesture of rocket launcher 變形測角儀是一種應用光學成像測微原理工作的高精度測試儀器，它可以被用于校正飛行器的機架和導彈發射架，檢測火箭發射器的姿態。

In this way , the simulation results of hxmt become more reliable . the simulation analysis results of collimator parts indicate that , the collimator parts meet design standard in sine excitation state , but not in impact excitation state or 這些分析方法的采用，在有限的計算機資源條件下，考慮了更多的結構細節，使得對整體結構的計算結果具有更高的可靠性。

In this paper , the hxmt and its main components , collimator parts , are simulated on the mechanics conditions at launching state , by using fem software , ansys and i - deas 利用現有有限元程序ansys和i - deas ，本文對硬x射線調制望遠鏡hxmt的重要部件? ?準直器單體及其硬x射線調制望遠鏡hxmt整體在發射時的力學環境進行有限元分析。

The control system for the collimator is discussed in detail , including the single chip computer and its interface design and the fuzzy control algorithm for high distance moving accuracy 說明其結構和工作原理，重點討論了如何使用單片機實現對直流電機的控制，以及使用模糊控制算法實現對電機運轉精度的控制。

Its feature is that the work position of all pre - collimator ' s holes can be selected and put into the use by the computer automatically . 4 其特點是工作的各準直孔徑位置和安全位置可通過計算機控制自動進行切換，使用靈活、方便、安全，以滿足我們多種檢測的需要。

The precision of measuring result have bigger progress than traditional collimator by using medium strain , spread center of mass arithmetic . etc 采用中值濾波，推廣的質心算法等方法，使測量結果的精度比傳統測角儀有較大提高。

Structure and working principle of multi leaf collimator for radiation therapy are introduced 摘要簡述了醫學輻射治療用自動多葉光柵控制系統的設計與實現。