focal plane 【物理學】焦平面。
【物理學】焦平面。 “focal“ 中文翻譯： adj. 1.【物理學】焦點的，(集中)在點上的，有焦點 ...“plane“ 中文翻譯： n. 平刨；鏝。 a jack plane 粗刨。 vt ...“plane, focal“ 中文翻譯： 焦平面“anterior focal plane“ 中文翻譯： 前焦平面“back focal plane“ 中文翻譯： 反聚焦面; 后焦面; 后焦平面; 后聚焦面“conjugate focal plane“ 中文翻譯： 共軛焦面“effective focal plane“ 中文翻譯： 有效焦平面“enhanced focal-plane irradiance“ 中文翻譯： 增強無平面輻射度“focal plane aberration“ 中文翻譯： 焦平面像差“focal plane arrays“ 中文翻譯： 焦平面陣列“focal plane camera“ 中文翻譯： 焦面攝影機; 焦平面快門照相機; 卷簾式快門攝影機“focal plane detector“ 中文翻譯： 焦面探測器“focal plane deviation“ 中文翻譯： 焦點平面偏差“focal plane filter“ 中文翻譯： 焦面濾光片“focal plane mask“ 中文翻譯： 片窗遮片“focal plane matte“ 中文翻譯： 片窗遮片“focal plane of the light“ 中文翻譯： 燈光中心“focal plane plate“ 中文翻譯： 焦面板; 焦面玻璃“focal plane scanning device“ 中文翻譯： 焦面掃描器“focal plane scanning system“ 中文翻譯： 焦面掃描系統; 焦平面掃描系統“focal plane shift“ 中文翻譯： 焦面位移“focal plane shutter“ 中文翻譯： 焦點平面快門; 焦面遮線器; 焦平面快門; 簾幕式快門，*焦面快門“focal plane slit“ 中文翻譯： 焦面狹縫“focal plane spectrometer“ 中文翻譯： 焦面分光計“front focal plane“ 中文翻譯： 前焦面; 前焦平面
focal point |
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It ' s well known that minor scratches on the front of a lens have minimal affect on the picture quality ; however scratches on the rear element , particularly one that comes as close to the focal plane as this one , are generally obvious on the final image 這是人所共知的輕微抓傷的前面，鏡頭有極小的影響畫面質量;但被抓傷后方元素，尤其是一個正值接近該焦平面由于這一個，一般都是明顯的對最終圖像。 |
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And it is mainly made up of optic - mechanical system ( including the lens of fixed focus ccd focal plane module and mechanical crust . ) image processing system and controlling computer and so on . each part is independence 該系統以計算機為系統控制處理平臺，由光機系統(包括定焦鏡頭、數字ccd相機、消雜光光欄、機械外殼組成) 、圖像處理系統和控制計算機等幾大部分組成，且各個部分相互獨立。 |
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The focusing properties of gaussian beams through a compound optical system are discussed . based on the matrix optical method , formulae of the beam width at the focal plane and imaging distance of focused gaussian beams through the system are derived 討論高斯光束經復合光學系統的聚焦特性，利用矩陣光學方法，推導出了高斯光束經復合光學系統聚焦后束腰寬度和像距的計算公式。 |
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The technology of uncooled infrared focal plane arrays ( fpa ) is a new developing way for wide commercial applications and military applications , for it owns the advantages of light weight , no need of cryogen , low cost and so on 由于非致冷紅外焦平面陣列系統具有重量輕、無需致冷、成本低等優點，有廣泛的軍用和民用市場，因而這項技術是一個行之有效的發展新方向。 |
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Then according to the theory of the millimeter object detection , build a 8mm band one - channel direct detection system , which is proposed on the background of the millimeter wave focal plane array imaging system 然后根據毫米波目標探測理論搭建了以毫米波焦平面成像為應用背景的8mm波段單通道直接檢波式探測系統并做了原理性試驗,驗證毫米波目標探測基本理論。 |
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In the lamost ( large area multi - object fiber spectroscope telescope ) project , 4000 optical fibers are mounted on its focal plane which diameter is 1 . 75m . the positioning precision less than 40 microns , and positioning time less than 30 minutes Lamost天文望遠鏡工程需要在直徑為1 . 75m的焦面上定位4000根光纖，定位精度小于40 m ，定位時間小于30分鐘。 |
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At the back focal plane of the objective , the blue wavelengths from each slit interfere constructively to produce the blue area of the diffracted image of each spectrum or order ; similarly for the red and green areas ( figure 4 ( a ) ) 在物鏡的后焦面，從各個窄縫發出的藍色波長光產生增強干涉而產生各級的衍射圖像的藍色區域，紅色波長和綠色波長也一樣(圖4 ( a ) ) 。 |
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At present , the infrared focal plane arrays ( irfpa ) is represented the tendency of infrared detector , but the staring ir imaging system performance is crucial limited by the inherent nonuniformity of irfpa 目前，紅外焦平面陣列( irfpa )是一種兼具輻射敏感和信號處理功能的技術性能最先進的紅外探測器，它代表著紅外探測器的發展方向。 |
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At the position of the zeroth order , all wavelengths from each slit add constructively ; this produces the bright white light you see as the zeroth order at the center of the back focal plane of the objective ( figures 3 and 4 ) 在零級位，從柵格標本的各個窄縫中發出的所有波長會產生相加的干涉，在物鏡的后焦面中心會看到明亮的白色像。 |
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The system will be utilized to date present spot - focusing lens antenna . with further improvement of this system , it is possible to have more completed and efficient sampling of focal plane 通過單波束和多波束聚焦透鏡天線的試驗,驗證了所設計的單波束和多波束聚焦透鏡天線達到了預期要求,為今后的工程設計打下了良好的基礎。 |
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Nonuniformity which must be corrected in all focal plane array is more greater in umbirfpa . it is special that nonuniformity be effected by substrate temperature in umbirfpa 非均勻性是任何焦平面陣列中必須解決的一個重要問題，而umbirfpa的非均勻性問題更為突出，尤其特別的是它受umbirfpa襯底溫度的影響非常嚴重。 |
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And it is mainly made up of optic - mechanical system , ccd imaging system ( including ccd focal plane module , controlling time sequence and driving circuit , video processor and a / d switcher . ) , 該測量系統由光機系統(包括定焦鏡頭、數字ccd相機、消雜光光闌、機械外殼組成) 、圖像處理系統和控制計算機構成。 |
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( 2 ) the means of converting laser intensity distribution at the focal plane using binary optical element ( boe ) has been proposed the main task is to design binary optical element having proper phase construction ( 2 )利用二元光學元件( boe )實現溫度分布均勻化其主要任務是設計二元光學元件的相位結構。 |
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To minimize harmful diffraction effects , the secondary , or diagonal , mirror is generally only large enough to let the central portion of the focal plane receive light from the whole primary mirror 為減小不利的衍射效應，副鏡，或平面鏡的大小只是剛夠把主鏡在焦平面的像反射就行了。 |
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In general , the lens chromatic aberration and the group velocity dispersion lead to a broadening in the temporal and spatial intensity distributions at the focal plane and a decrease o 一般說來，透鏡色差和群速度色散會使焦平面上脈沖光束的時間、空間光強分布展寬，峰值光強降低。 |
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The uncooled microbolometer infrared focal plane arrays ( irfpa ) is the leading edge of research on infrared technology in information science today 非致冷微測輻射熱計紅外焦平面陣列( umbirfpa )是當代信息科學技術中紅外技術學科的具有帶動性的學科研究前沿之一。 |
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After the focal plane , the focused hollow beam propagated according to a constant angle of divergence , the dss become larger , and the intensity become weaker 經過焦點后，這一聚焦中空光束將以一定的角度發散，它的dss會變得越來越大，光強度變得越來越弱。 |
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Chen b l , et al . rftir measurement on backside thinned detector film of insb infrared focal plane arrays [ a ] . proc . spie [ c ] . 2000 , 4086 . 155 - 157 陳伯良,朱建妹,辛田玲,等.紅外焦平面器件用高密度微細銦珠陣列淀積再流成形方法[ p ] .中國專利: 98121916 . 0 , 2001 - 4 - 13 |
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Coma makes stars appear asymmetric even if the telescope is perfectly focused ? the farther the star is from the center of the focal plane , the worse it gets 當望遠鏡已經調好了，如果有慧差存在的話，星星所成的像就不對稱了? ?距離焦平面越遠越不對稱。 |