effective aperture 中文意思是什麼

effective aperture 解釋
實效光圈
  • effective : adj 1 有效（力）的，靈驗的；顯眼的，〈美國〉生效的，被實施的；【軍事】有戰鬥力的。2 【經濟學】實...
  • aperture : n. 1. 孔，隙縫。2. （照相機的）光圈；孔徑，口徑。
  1. A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures

    摘要採用一種簡單有效的方法，模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射分佈，並與經圓孔硬邊光闌的衍射作了比較。
  2. Photographic lenses - methods for the measurement of the effective aperture, f - number and relative aperture

    攝影鏡頭.有效孔徑光圈數和相對孔徑的測量方法
  3. Effective numberical aperture

    有效數值孔徑
  4. The camera chooses the size of brush based upon pure geometry : the effective brush size depends only upon where the object is, where the camera is focused, and upon the aperture of the lens

    相機選擇畫筆的大小完全是根據幾何學：畫筆有效的尺寸決定於物體在哪兒，相機聚焦在哪，和鏡頭的光圈。
  5. Effective aperture of obejctive

    物鏡有效孔徑
  6. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉器，其特點是利用了溝道波導的橫向約束，限制了聲波的發散和衍射效應，使得窄孔徑電極結構得以實現，從而增加了功率密度，使總的聲場驅動功率降低。
  7. Synthetic aperture focusing technique is one of effective ways to widely improve space resolution power of images in digital imaging processing and is mainly used in the field of radar at present

    合成孔徑技術是數字成像處理中用於大幅度改善圖像空間解析度的一種有效手段。目前，合成孔徑技術的最主要應用是在雷達領域。
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