涅爾查 的英文怎麼說
中文拼音 [nièěrzhā]
涅爾查
英文
nercha-
The older, her bezique cards and counters, her skye terrier, her suppositions wealth, her lapses of responsiveness and incipient catarrhal deafness : the younger, her lamp of colza oil before the statue of the immaculate conception, her green and maroon brushes for charles stewart parnell and for michael davitt, her tissue papers
年輕的那位則記得她那盞供在無染原罪聖母瑪利亞雕像前的菜油燈，她用來象徵查理斯圖爾特。巴涅爾和邁克爾，達維特的綠色刷子和絳紫色刷子，她的薄縐紙71 。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致
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