焦距計 的英文怎麼說
中文拼音 [jiāojùjì]
焦距計
英文
focal length gauge-
To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design
為減少打標畸變，採用垂直二維振鏡分佈， f物鏡聚焦，將激光束經第二個振鏡反射後到加工平面的距離為焦距f ，為了避免打標時間過長，溫度過高破壞諧振腔，在設計中加上冷卻系統和自我保護裝置。Correct under the guiding of route, we successfully design and have trial - produced the one kind of new long large - scale camera of focal distance
在正確路線的指引下，我們成功地設計和試制了一種新型長焦距大型照相機。Design of telecentric beam path for zoom projection optics
變焦距投影光學系統中的遠心光路設計The influence of changing design parameters on diffractive microlens is investigated. the effects of changing design focal length and microlens material refractive index on diffractive efficiency and airy diffraction disc radius are presented. the numerical results are discussed by qualitative analysis
首先研究了設計參數變化對衍射微透鏡的影響，給出了設計焦距和透鏡材料折射率變化對衍射微透鏡衍射效率、愛里斑半徑等的影響，並對分析結果作了定性討論。Contact lenses - determination of back vertex power - part 1 : method using focimeter with manual focusing
隱形眼鏡.后頂點焦強的測定.第1部分:人工調焦焦距計法Contact lenses - determination of back vertex power - part 1 : method using focimeter with manual focusing iso 9337 - 1 : 1999 ; german version en iso 9337 - 1 : 2000
接觸鏡.后鏡頂屈光度的測定.第1部分:用焦距計人工調The system is calibrated and computed, and the calibration parameters such as equivalent foci f, distance d between two cameras are designated. these parameters is the internal parameters in the system, and can be calibrated through different world coordinates
對系統進行標定計算，指出標定參數等效焦距f ，兩攝像機光心的距離d ，這些參數為系統內部參數，可以通過相對不同的世界坐標進行標定，即相對標定。Based on forensic anthropology and anatomy, we analyze features used in superimposition, and then select four items, fifty - five features, which be based on by computer - aided photographic superimposition. 2 ) study how to adjust the skull according the photo in computer, and how to avoid the influences from the distance of focus and photography
2 ）研究了如何在計算機上，根據二維照片來調整三維顱骨位置，使人臉和顱骨處于同一位置；討論了焦距與攝距對顱像重合的影響，以及在計算機這個特定環境下，如何避免這些影響。In the method dfd ( depth from defocus ), feasibilities of restoring images from defocus images and estimating the focused position are discussed and confirmed
離焦深度法估計離焦距離或者進行圖像恢復的依據是成像系統的點擴散函數及它所產生的模糊圓。Optics and optical instruments. focimeters
光學和光學儀器.焦距計Optics and optical instruments - focimeters iso 8598 : 1996 ; german version en iso 8598 : 1998
光學和光學儀器.焦距計Optics and optical instruments - test lenses for calibration of focimeters - test lenses for focimeters used for measuring contact lenses
光學和光學儀器.焦距計校正用檢驗鏡頭.測量接觸透鏡組用焦距計用檢驗鏡頭Optics and optical instruments - test lenses for calibration of focimeters - test lenses for focimeters used for measuring spectacle lenses
光學和光學儀器.焦距計校正用檢驗鏡頭.測量柔性焦距透鏡組用焦距計用檢驗鏡頭Optics and optical instruments - test lenses for calibration of focimeters - part 1 : test lenses for focimeters used for measuring spectacle lenses
光學和光學儀器.焦距計校正用檢驗鏡頭.第1部分:測量眼鏡鏡片的焦距計用檢驗鏡頭Optics and optical instruments - test lenses for calibration of focimeters - part 2 : test lenses for focimeters used for measuring contact lenses iso 9342 - 2 : 2005 ; german version en iso 9342 - 2 : 2005
光學和光學儀器.焦距計校正用檢驗透鏡.第1部分:接觸鏡Optics and optical instruments - test lenses for calibration of focimeters - part 1 : test lenses for focimeters used for measuring spectacle lenses iso 9342 - 1 : 2005 ; german version en iso 9342 - 1 : 2005
光學和光學儀器.焦距計校正用檢驗透鏡.第1部分:眼鏡The focal length of a thermal imaging system was assessed by the magnification method using 4 - bar targets as infrared objectives
摘要採用實驗室中四桿靶紅外目標源，使其成像在熱成像系統自身的焦面探測器上，採用放大倍率法測量與計算出系統的焦距。Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised
首先，按照角度的不同，將系統劃分成許多模塊。其次，對硬體設備? ?攝像機，鏡頭，雲臺，防護罩，解碼器等的工作原理進行了闡述，再次，以人的成像辨認的經驗判據為依據，結合系統的其它指標，設計計算出鏡頭的焦距f 、相對孔徑d ，同時確定攝像機的型號，並計算出紅外燈光源。最後，對綜合控制箱進行設計，指出了設計的意義，實現的功能，並附上了綜合控制箱的外形圖。This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars
本文介紹一種確定光學系統參數的新方法，包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場；根據所選取的參數預計星敏感器的捕獲概率；採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。Based on studying a long focus oblique real - time aerial camera, this paper studys the reason of being out of focus systematically, and points that the primary reason of being out of focus is due to the change of environment ( temperature > atmospheric pressure ) and oblique photographic distance, and according to the three factors, talk about the effect on being out of focus of camera, the simple maths equation is presented in order to calculate out of focus
基於一種長焦距斜視實時航空相機的研製，深入地探討了導致相機離焦的原因，指出環境（溫度、大氣壓力）變化和照相距離的變化是導致相機離焦的主要原因，分別從溫度、大氣壓力、照相距離這三個方面的變化對相機離焦的影響進行研究，給出了計算相機離焦量的簡化數學模型。分享友人