reference beam造句
例句與造句
- The signal beam can be recreated by illuminating the medium with a beam identical to the original reference beam
通過用和原始參考光相同的光束來照亮感光介質(zhì)可以還原信號光。 - This “ signal beam ” then meets a separate reference beam , and where the two beams intersect they create an interference pattern in a light - sensitive medium
然后，信號光會(huì)和另一獨(dú)立的參考光相遇，當(dāng)兩個(gè)光束相交時(shí)，它們會(huì)在感光介質(zhì)中制造一個(gè)干涉圖樣。 - The reference beam comes from the object wave itself and image of the object is formed by a lens on the plane of the holographic plate , therefore the hologram is named self reference image hologram
用透鏡將物體的像成在記錄干板平面附近，參考光來自物光本身，因此稱之為自參考像全息圖。 - This chapter introduces one technique which based on encrypting the access of storage data , this can be done by coding the phase of reference beams by use of orthogonal - phase - code
介紹了一種基于對接入加密數(shù)據(jù)通道進(jìn)行加密的方法，即對參考光的相位進(jìn)行正交相位編碼； 4 .雙隨機(jī)相位編碼加密光存儲(chǔ)。 - This method doesn ’ t need beam deflection device and can change the reference beam incidence angle with mechanical movement platform only . and the accuracy of system is not getting lower
這種方法不需要光束偏轉(zhuǎn)器件,只需要機(jī)械運(yùn)動(dòng)平臺(tái),僅通過平臺(tái)的移動(dòng),就可以實(shí)現(xiàn)參考光束入射角度的變化,而且尋址的精確性并未降低。 - It's difficult to find reference beam in a sentence. 用reference beam造句挺難的
- We also store several images on the same spot with reference beams of different directions ( peristeophic multiplexing ) , when each hologram is separated by 15 , the crosstalk noise decreases greatly , the storage density can be obtained 10 bits / cm finally
我們還進(jìn)行了在光刻膠上的旋轉(zhuǎn)復(fù)用存儲(chǔ)實(shí)驗(yàn)，在15度的角度下，復(fù)用的圖像的交叉干擾大大降低。實(shí)際的存儲(chǔ)密度達(dá)到10 ~ 7bits cm ~ 2 。 - During adjusting beam paths , the co - beam , a combination of the measuring beam and the reference beam , is not restricted to being perpendicu lar to the light sensitive surface of the object , but keeping the measuring beam and the reference beam co - axial proved to be crucial
在光路調(diào)整中，它對測量光與參考光的合光光束是否垂直于探測器光敏面要求不高，但對兩光束合光同軸度則有嚴(yán)格要求。 - In order to investigate the phenomenon that holograms tend to be deteriorated on baing recorded in photopolymers with shrinkage , a fourier hologram is taken with slant gratings formed by the reference beam and object beams of different space - frequency
摘要為了分析光致聚合材料記錄的譜面全息圖在再現(xiàn)過程中發(fā)生“擦除”現(xiàn)象，將譜面全息圖看作由不同角譜的物光與參考光在光致聚合材料內(nèi)形成的不同傾斜角度的光柵總和。 - Based on the test of the flexural performance of reinforced concrete beams strengthened with aramid fiber reinforced plastics ( afrp ) and reference beams , this paper analyzes the failure process and characteristics of the strengthened beams and factors that affect the failure of the strengthened beams
摘要本文根據(jù)芳綸纖維加固鋼筋混凝土梁和未加固的混凝土參考梁的抗彎性能靜載試驗(yàn)研究，分析了芳綸纖維加固鋼筋混凝土受彎構(gòu)件的破壞過程，研究了加固后鋼筋混凝土受彎構(gòu)件正截面的破壞特征、受力特點(diǎn)及影響因素（粘貼層數(shù)和配筋率） 。 - Therefore , the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統(tǒng)達(dá)到高精度的基礎(chǔ)是：頻率及頻差穩(wěn)定的雙頻激光源、穩(wěn)定的等效腔長；測量光與參考光合光后有很高同軸度的光路結(jié)構(gòu)；能可靠記錄相位差變化周期數(shù)的細(xì)分及可逆計(jì)數(shù)系統(tǒng)三部分。 - Furthermore , three fourier storage schemes were proposed for practical anti - counterfeiting : ( 1 ) store black - white digital images with hidden information made by image coding method , ( 2 ) store several images on the same spot with reference beams of different directions ( peristeophic multiplexing ) , ( 3 ) store a serious of given images recorded closely ( space multiplexing ) . three different fourier holograms were recorded on photoresist plates following the above three schemes using the optimized recording conditions obtained in the first part of this study work . the reconstructed images form the holograms showed some special anti - counterfeit effects
此外，本課題還研究了傅里葉全息存儲(chǔ)在防偽上的實(shí)際應(yīng)用，提出了三種防偽存儲(chǔ)方案： ( 1 )運(yùn)用圖像編碼方案，存儲(chǔ)了具有隱藏信息的編碼黑白二值圖像； ( 2 )運(yùn)用旋轉(zhuǎn)復(fù)用方案，在同一存儲(chǔ)點(diǎn)用不同方向的參考光存儲(chǔ)了多幅圖像； ( 3 )運(yùn)用空間復(fù)用技術(shù)，在一定區(qū)域內(nèi)緊靠著記錄一系列特定圖像的傅里葉全息圖。 - In chapter three , the importance of maintaining the equal optical path between measuring beam and reference beam in measuring horizontal and vertical vibration table are analyzed , and the factors having effect on contrast degree of interference fringe are introduced . for improving the accuracy of laser - vibration - measuring - system , the phase - modulation - multi - period - average method and the vibration isolated of system are analyzed
第三章分析了光路設(shè)計(jì)中的等光程問題的重要性，以及影響干涉條紋對比度的相關(guān)因素；并從提高測量精度的角度分析了調(diào)相多周期平均法和系統(tǒng)的隔振。