difference n. 1.差異,差別。 2.不和,爭論。 3.【數(shù)學】差,差額。 4.【邏輯學】特殊性。 There is no difference between them. 兩者毫無差別。 the difference of jetsam from flotsam 棄貨不同于浮貨。 What difference can it make 不是一樣嗎? He is an artist with a difference. 他是別具風格的藝術家。 distinction without difference 無聊的區(qū)別。 make a difference 發(fā)生差別;使…有差別;(結果等)是重要的,有關系[影響] (One false step will make a great difference. 失之毫厘,謬以千里。 Don't let it make any difference. 沒關系。 make a difference between A and B 使甲乙有別,對甲乙不一樣)。 pay [meet] the difference 付差額金。 seek common ground while reserving differences 求同存異。 settle differences 調停。 split the difference 1. 折中,妥協(xié)。 2. 均分剩下的東西。 vt. 〔罕用語〕區(qū)別,使有差別。
path path(ol.) =pathological; pathology. n. (pl. paths ) 1.(自然踏成的)路;路徑;(馬路邊上的)人行道;(車子走不過的)小路;(競走或自行車比賽的)跑道。 2.路線;路程;〔比喻〕(人生的)道路;(思想、行為、生活的)途徑,方式。 3.【天文學】道,帶。 approach path 【航空】進場航線。 moon's path 【天文學】白道。 path of a total eclipse 【天文學】全蝕帶。 a path strewn with roses 撒滿玫瑰的道路,安樂的一生。 a beaten path 踏出來的[走慣的]路;常規(guī),普通方法。 break [blaze] a (new) path 開辟一條(新)路。 cross sb.'s path 碰見某人;擋住某人去路,阻礙某人。 set sb.on the right path 使某人走上正路。 path-breaker 開路人;闖將。 adj. -less 無路的,人跡未到的。
With the compensator in place any optical path difference arises from the actual path difference . 有了補償板之后,任何光程差都只由實際程差引起。
Would you explain why the path difference between the light waves must not be too great 否則光徑差多少都可以差別在于是否能產(chǎn)生你所想見到的效應
The stability of micro - birefringence optical path difference measuring system based on electro - optic modulation method is studied 提出用旋轉半波片反射法測量半封閉玻璃制品應力,探討以電光調制法為基礎的微雙折射光程差測量系統(tǒng)的穩(wěn)定性。
The paper introduced the theory of passive acoustic localization and the algorithm of space acoustic localization . by use of combined acoustic path difference , the paper amended the passive acoustic localization formula and improved the accuracy of localization 本文介紹了被動聲定位的原理及空間聲定位的算法,推導出了被動聲定位公式,并利用聲程差組合改進了被動聲定位公式,提高了定位的精度。
It is widely used to measure optical element , optical system , detection of optical surface and the physical quantities ( such as field of temperature , field of density ) related with optical path difference . the underlying measurement principle of psi is to determine the phase of the intensity signal in interferogram received at each pixel of an imaging device 移相干涉術( psi )作為快速、非接觸的精密測量手段,已經(jīng)廣泛地應用于光學零件、光學系統(tǒng)、精密表面檢測和其它一些與光程差參數(shù)相關的物理量的測量(如溫度場、密度場等) 。
Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel . a primary advantage of psi is its high precision . with careful control of environmental conditions , measurement precision to the nanometer scale or below is possible with psi 它的基本測量原理是,通過攝像系統(tǒng)( ccd )接受到的干涉圖中空間坐標已知的各個像素點的光強信號,在壓電晶體驅動參考光程有序變化時,采集到多幅干涉圖的光強信號,由移相干涉法,由光強值得到被測光程差值(位相值) 。
3 . the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented . a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference , we get the flattop spectrum 3 、分析了pbi型interleaver濾波器的基本原理,給出了一種pbi型interleaver濾波器結構;設計了50ghz光學梳狀濾波器,實驗得到了該器件兩組交錯分波類余弦輸出光譜;采用不同光程差的晶體級聯(lián)方案,實現(xiàn)了輸出光譜平頂化。