焦外像 的英文怎麼說
中文拼音 [jiāowàixiàng]
焦外像
英文
extrafocal image-
A random field target detection technology for infrared focal plane array ( fpa ) imaging is also proposed
對焦平面纖外圖像提出了一種概率場目標檢測技術。A beam of light ( typically ultraviolet light from a mercury arc lamp ) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer ( called the photoresist ) on the surface of a silicon wafer
一束光(通常是汞弧燈發出的紫外光)先穿透鉻光罩,然後通過透鏡把影像聚焦在晶圓表面的有機高分子感光塗料(稱為光阻劑) 。Because of its good electrical conductivity, cfrc specimens will engender joule effect when a relatively low voltage was added to them. if there are flaws inside, the surface temperature distribution of the specimens should be uneven. therefore, infrared thermograph ndt can be conducted
利用碳纖維混凝土良好的導電性,通過對碳纖維混凝土試件施加較低的電壓,使其產生焦耳效應,如果試件內部存在缺陷,將在表面產生溫度差,從而可以利用紅外熱像技術進行無損檢測。That might mean a very nice inside focus image and a slightly skewed outside focus image if that ' s what gives the best focused image
我一般都是調教焦內,然後焦外進行驗證,反復這個過程,直到圖像質量最佳。Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic optical components, especially in fabrication procedure of dichromated gelatin film and in experimental technique to form a high diffraction efficiency using different angular exposure method
為了產生優質的聚焦能力與效率,本研究採用目前具有最高繞射效率( 80 ~ 90 % )的重鉻酸明膠材料作為感光劑,除了自行調制藥劑比例成分,並依嚴格的製作步製成重鉻酸明膠全像片外,並採用不同角度重覆曝光方式改良干涉式波帶板無法自動追蹤的缺點,經過多次試驗與改進,藉以形成具備高繞射效率和自動追蹤功能的全像光學波帶板。On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout
本論文根據目前國內外現狀和發展水平,針對自動聚焦和端面跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統,該系統具有速度快、精度高、動態范圍大、體積小等優點,實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。The imaging and spectroscopy are the major applications of ingaas focal plane array. in this thesis
Ingaas紅外探測器及其焦平面列陣主要應用在成像和光譜兩方面。Infrared focal plane array ( irfpa ) is the key technology in developing second generation infrared thermal imager
紅外焦平面陣列( irfpa )技術是發展二代熱像儀的關鍵。Second, for robust estimation of camera parameter, we take into account overall color change and focal length adjustment between overlap images
另外為了對圖像進行可靠的拼接,演算法根據普通數字相機的特性,考慮了圖像整體色彩變化與焦距調整。Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system
文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調焦的整體技術方案,給出了基於圖像高頻成分統計的聚焦判識演算法,在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。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 equipment utilizing the principal of rtaary focusing, the technique of double barriers and auomatic program, fulfils the breakthrough on high - dose, high precision conformal radiotherapy thechnique. it is integrated with advanced omagine equipment such as ct, mri and pet, and also with the world most advanced 128 guide double - video synchronied electro - encephalographic long - distance monitoring system for evaluation of eepilepsy patients pre - operation, in the operation and after operation. it combines multi - academic branches such as the department of neural medicine, neurosurgery, oncology, radiotherapy and imaginary, to form a combined therapeutic system
擁有世界先進的大型醫療設備旋轉式頭部體部伽瑪刀,該設備利用旋轉聚焦原理雙重屏蔽技術及自動化的治療程序,實現了大劑量高精度適形放療的技術突破,與先進的ct mri pet等影像設備及世界最先進的128導全數字化癲癇術前術中術后定位評估系統實現配套,形成了聯系神經內外科腫瘤科放療科影像科等多學科的綜合治療體系。Approach to draw rectangle outside focused window for displaying 2 - d images in vtk
中二維圖像顯示窗口焦點外框的實現方法The application of the neighbor markov random field has been analyzed in the dissertation. from the angle, the infrared fpa imaging target detection technology based on the adaptive background estimation is also proposed
論文應用markov隨機場的局部約束特性,從紅外圖像背景概率場角度,提出了基於背景自適應估計的紅外焦平面圖像目標檢測技術。If you were to block out the outermost diffracted orders by placing an opaque mask at the rear of the objective, you could reduce the resolution of the lines of the grating, or any other detailed object, or " destroy " the resolution altogether so that the specimen would not be visible
假如用不透明的遮擋物在物鏡后焦面擋住外圈衍射級的光線,線形柵格圖像的解析度將下降,這樣完全地破壞了解析度,標本的細節就無法看見。It was the old substantial dinner you get in a country hotel and consisted of vol - au - vent a la financiere, fowl boiled in rice, beans with a sauce and vanilla creams, iced and flavored with burnt sugar
晚餐像過去外省旅店的晚餐一樣充實:有金融家式魚肉香菇餡酥餅,雞肉米飯,果汁雲豆,焦糖香草冰奶油。Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller
本文首先介紹了光學三角法測量原理,並對線陣ccd的工作原理進行了研究,以此為基礎採用氦氖激光器為光源,設計了光學聚焦及成像系統,對線陣ccd外圍電路的設計進行了理論設計和實驗研究,最後設計了以ccd為光電轉換元件,以微處理器為控制核心的非接觸式厚度測量儀及其系統。Always go for final image at focus, not the perfect defocused image for collimating
這個關鍵就是得到焦點內完美的圖像,這也是我們不斷調教焦內焦外獲得一個最適當的圖像的目的。Thirdly, a modified extended chirp scaling ( ecs ) algorithm is presented, which solves the problem of producding fine focused images in the class of chirp scaling ( cs ) algorithm. lt can be used for uwb - sar imaging effectively. the phas e error produced by cs operation are analyzed. a windowed process in two dimension frequency domain before cs operation are proposed. it can improve the quality of image and widen the effectively swath and increase the peak to sidelobe ratio ( pslr )
然後針對chirpscaling ( cs )類演算法不能對參考點精確聚焦的問題,提出了一種改進的擴展cs ( ecs )演算法,實現了對uwb - sar的高效成像;分析了cs操作產生的相位誤差,提出在cs操作之前在二維頻率域對信號加窗,除有效提高信號的峰值旁瓣比( pslr )外,還可以提高圖像質量,增加有效測繪帶寬度。分享友人