focal image 中文意思是什麼

focal image 解釋
焦面像
  • focal : adj. 1. 【物理學】焦點的,(集中)在點上的,有焦點的。2. 【醫學】病灶的,病灶性的。adv. -ly
  • image : n 1 像,肖像,畫像;偶像。2 影像,圖像。3 相像的人(或物);翻版。4 形像,典型。5 形像化的描繪。6...
  1. The mirror of an astronomical telescope forms at its focal point an image of a star on the axis of the mirror.

    天文望遠鏡把在鏡軸上的星體成象在焦點上。
  2. The focal length of the conelensing lens should be such that the image of the source just fills the projecting lens.

    聚光透鏡的焦距應使光源的像正好照滿放映透鏡。
  3. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中,論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數,解決了是否正確聚焦的快速判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦速度和精度都得到了很大的提高。
  4. If the objective lens is closer to the compact disk than the focal length of the object lens, then the cylindrical lens creates an elliptical image on the photodetector array

    如果物鏡與光盤之間的距離短於物鏡的焦距,柱面透鏡就會使在光電探測器陣列上的成像變成橢圓影像。
  5. If the objective lens is further away from the compact disk than the focal length of the object lens, then the cylindrical lens again creates an elliptical image on the photodetector array

    如果物鏡與光盤之間的距離長於物鏡的焦距,柱面透鏡也會使在光電探測器陣列上的成像變成橢圓影像。
  6. Of course, if the disk is right at the focal length of the objective lens, then the cylindrical lens does not affect the image and it is perfectly circular

    當然,如果正好處於物鏡焦距位置,柱面鏡就不會影響到光電探測器上的成像,因而會獲得一個完美的圓性影像。
  7. 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,由於要求作用距離遠,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。
  8. The primary mirror. this is the paraboloidal mirror at the bottom of the tube. it has an aluminized surface that reflects starlight to form an image at the focal plane

    主鏡。是位於鏡筒底部的一塊拋物面鏡。表面鍍鋁膜,將星光反射到焦平面上成像。
  9. Too many of his focal points are occupied by the image of eva ' s latte and eva herself

    他關注的焦點太多地放在了伊娃的拿鐵咖啡和伊娃本人的形象上了了。
  10. It combines the advantages of ultrasound and optical technology. ultrasonic wave scatters much less in biological tissue than light wave and can be used as a localizer in tissue. the diffused photons tagged by the ultrasound in the focal zone will be collected and used for image

    超聲調制主要是使散射介質內的散射粒子的分佈以及光學特性發生變化,比如說使介質的折射率發生改變而導致光學相位變化,結合散射和自相關理論可以解釋一些超聲調制多重散射光的現象。
  11. Volume light / fog passes - this pass helped allot in setting the focal point and creating the mood for the image. it also helps in adding more depth to the image

    體積光/霧效通道? ?該通道有助於重點和營造圖象的氣氛,能幫助圖象增加更大的景深。
  12. At last this article describes the theory of the millimeter wave object detection system and provides a project of the system in detail. this 32 - channels focal plane array imaging system operates in 8mm band. it can provide 90 15 degrees field of view, and displays the acquired image during 6 seconds in sunny and foggy

    該系統採用的是32通道焦平面陣列多波束成像體制,系統工作在8mm波段用以提供90 15視野並且在晴朗及有霧的天氣狀況下能在6秒內對周圍景物進行成像。
  13. We encoded and optimized the filter to design the algorithm for filter. computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image, but also improve the resolution and the focal depth. it provides directive basis for the development of the experiment and the practicability of the technology

    計算機模擬結果表明,通過在非瞳孔面的適當分數傅立葉變換面上加入優化設計的位相型濾波器,可有效減小光刻圖形的線寬偏差和面積偏差,提高成像系統的解析度和焦深,為分數域濾波改善光刻圖形質量實驗的開展和這一解析度增強技術走向實用化提供了指導依據。
  14. For example, a photographer will choose a long - focal - length, or telephoto, lens to zoom in on a baseball pitcher to make his image large ; he will use a short - focal - length wide - angle, or “ fisheye, ” lens to zoom out, revealing the fans throughout the stadium

    例如攝影師會選擇長焦距的鏡頭,即遠距照相鏡,來拍攝棒球投手,使投手的影像放大;他會用短焦距的廣角鏡頭,甚至所謂的魚眼鏡頭,來拍出運動場周圍看臺上的球迷。
  15. 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 ) ) 。
  16. The second property concerns the brightness of a projected image, which depends on the focal length and facial, or surface, area of the imaging mirror

    第二項考慮的特性是投影的明亮度,這要視焦距與鏡面(鏡子的表面)而定。
  17. ( 2 ) computational simulations on in - line holography of single particle, multi - particle in one plane and particle field ( multi - layer ) are performed. a technique to find the focal plane is given according to the gray - gradient curve of the particle image. an improved numerical reconstruction method is proposed, which can eliminate the border diffraction

    ( 2 )對同軸粒子全息圖的記錄和再現過程進行了數值模擬,提出了根據灰度梯度曲線判斷粒子成像平面的方法,同時提出了一種可有效消除全息圖邊框衍射條紋的改進演算法。
  18. I calculated and experimentally verified that such mirrors with the proper focal length require that the object be illuminated by direct sunlight to yield a visible image on the support

    我計算並以實驗確定,即使有適當的焦距,這樣的鏡子需要物體直接受到陽光照射,才能在屏臺上製造看得見的影像。
  19. It is a complex magnifying lens used to view the image formed at the focal plane

    它是比較復雜的放大影像的透鏡,觀察焦平面的圖象。
  20. 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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