波茲涅夫 的英文怎麼說
中文拼音 [bōzīnièfū]
波茲涅夫
英文
pozdnev-
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It was on january 25th, 2004 in kiev, ukraine, that a number of prominent professionals including donnie burns, stanislav popov and leonid pletnev signed the first agreement of mutual cooperation and support with a “ so called ” amateur federation called idu
2004年1月25日,在烏克蘭的基耶夫,一批職業人士,包括東尼本,斯坦尼茲拉夫波波夫,萊昂納德普列涅夫,簽署了第一份與所謂的業余聯合會,叫idu ,互相合作與支持的協議。
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