集中光束 的英文怎麼說

中文拼音 [zhōngguāngshù]
集中光束 英文
contracted beam
  • : gatherassemblecollect
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • 集中 : concentratecentralizefocusamassgroupmassingput togather
  1. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、成、可編程性、學接收孔徑、掃描和偏轉范圍等等。液晶開關、偏轉器、掃描器已經開始應用於纖通信的實驗系統。液晶類器件應用於通信的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到碼型碼率的空間捕獲、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。
  2. During dark adaptation, the rhabdomal figures are regular, the distal pigment granules and proximal pigment granules are concentrated in the distal of crystalline tract and the proximal rhabdom respectively, and while retinular pigment granules are lacked in proximal of ommatidium

    暗適應時,感桿外形規則,微絨毛排列整齊,遠端色素則於小眼的遠端,近端缺乏小網膜細胞色素,僅有近端反色素分佈。
  3. Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.

    無線電射也象探照燈的一樣,是不能高度的;它總要散開。
  4. Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components

    誘導擴散是用聚焦的激局域加熱半導體基片,將雜質以擴散的方式摻入到特定區域並且達到一定要求的一種技術,具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點,可有效解決單片成器件( oeics )、電兩部分的工藝兼容這一難題。
  5. Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough

    在利用上述的兩種縛態波函數和兩種學勢的基礎上,我們研究了一系列的敲出反應:通過對比兩種縛態波函數和學勢,我們得到的結論是:兩種縛態波函數和學勢對反應截面的能量分配譜的貢獻都比較好,但尤以波函數_ ( li ) ( r )為佳;學勢v _ ( clu ) + ( r )得到的譜因子比用woods - saxon勢v _ ( ws ) ( r )的結果要好,它不僅能適用於彈性散射,且對敲出反應也能得出比較好的結果;團的敲出反應是團表面局域性的表現:在低能的入射條件下,扭曲效應不能忽略,但入射能量較高時,扭曲效應影響較小,可以用平面波沖量近似的方法。
  6. China is particularly connector forum areas connector. the special field connector, line cable, automobile electron, fibre - optical, switch, communication equipment and material produce a manufacturing engineering, the testing standard communicates with

    國連接器論壇是特別領域連接器,連接器技術,線,電纜線,汽車電子,纖,通訊設備和材料生產製造工程,測試標準發布和收的專業技論壇
  7. Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel

    作者獨立完成的工作包括: 1 、提出了曲面測量的學系統的整體方案; 2 、提出了四種激的方案,用學設計軟體zemax完成了其三種的設計;經過像差分析和追跡,達到了準直擴的要求; 3 、點源到線源的單方向擴展,達到了覆蓋輪緣踏面的要求; 4 、通過實驗採圖像和圖像處理,提取出被測輪緣的輪廓。
  8. With the diminishing marginal utility, the point of tangency may run to the area far to the central city. through the statistics and analysis, we find out that there are several characteristics in the central city tourism market : ( 1 ) the city tourists tour at weekends and gold weeks, and they want to buy such tourism products as " safe, convenience, short range and cheap ". ( 2 ) they tour by car or by themselves not go with tour team, ( 3 ) and stay out for zero to two nights

    本文重點對心城市居民出遊市場進行了統計分析,通過分析發現心城市出遊市場總體表現出以下特點: ( 1 )城市居民外出旅遊時間除黃金周以外,主要在周末,其時間約型的旅遊產品需求以「安、近、短、廉」為特徵的旅遊產品為主; ( 2 )出遊方式以自駕車和自主安排為主,團隊遊客的比例在逐步下降; ( 3 )出遊逗留時間以在外逗留0 ? 2夜為主; ( 4 )城市居民出遊人群女性比例高於男性; ( 5 )出遊目的以近距離觀、休閑為主,但度假市場正在蓬勃發展,現在心城市周邊新興的「農家樂」就是度假旅遊的雛形和低級形式; ( 6 )心城市銀發市場和教師、學生市場是兩個原來被忽視卻孕育著巨大潛力的細分市場。
  9. Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices

    文摘:介紹了一個波導器件計算機輔助分析系統,該系統成了3個實用工具:波導有效折射率計算工具,波導模式求解工具和三維復折射率全矢量有限差分傳播法模擬工具.本系統用於線性波導器件,模擬在波導的傳播過程,從而可以優化設計波導器件,探索新結構器件
  10. This method connects the discrete points processed in the level set method to form a smooth curve, thus transforms the discrete problem to continuous one. constraint entry is added to the curve according to the actual demand, and satisfactory result is obtained in experiments. the results show that the algorithm is effective in the actual applications

    基於鏈碼的水平方法把原先水平方法處理的離散點,利用鏈碼易於表示曲線的特點,連接成一條滑的曲線,這樣就把離散問題轉化為連續問題,利用曲線的連續性和滑性,根據實際問題的需要,對曲線加入外部約項控制,在實驗獲得了滿意的結果,在實際應用達到了預期的效果。
  11. The binary optical elements are small, light, easy to be copied and able to realize multi - purpose integrated, especially suits for the beam shaping of laser diode array, thus make us choose it for realizing our system. because single module gaussian beam can be decomposed in a pair of vertical directions, we transform each pair of vertical beams outputted by bars separately, this can make our design easy to achieve

    可實現多功能成等特點,特別適用於半導體激器列陣的整形,因此我們選用二元學器件來實現耦合系統?利用半導體激器輸出的基模高斯可分離變量的特點,我們對面陣各吧的兩個相互垂直方向上的分別進行整形變換,這樣整形器件可以設計成一維結構,便於實現
  12. Then numerical algorithms are used to analyze integrated optical wave - guide and beam propagation method is a good method which is widely used

    於是出現了用數值分析方法來分析波導。其傳播法就是分析波導器件的一種好方法。
  13. The results show that the laser energy is relatively concentrated while using gaussian beam, but the lateral transport area is limited

    結果表明:與均勻比較,高斯輻照時,激能量較為,但側向傳播范圍較窄。
  14. The fabrication methods such as molecular - beam epitaxy and metal - organic chemical vapor deposition and experimental studies of their properties have been reported, and theoretical studies mainly concentrate on the impurity binding energy varying the size of the wire, the effect of the applied electric field or magnetic field, and photoionization of impurities

    在實驗上已經用分子外延和金屬有機化學汽相淀積等技術對其物理性質進行了廣泛的研究,而理論上的研究主要於研究量子線的尺寸對雜質縛能的影響、外加電場或磁場的作用及雜質的致電離效應。
  15. As beams transmit mostly in the core of waveguide, also the changes of thickness and refractive index of the sample will quickly and sensitively affect the propagation constant, the information of sample can be obtained through monitoring the propagation constant. 4. the periodic anti - resonant reflecting layers are presented

    由於在作為波導層的待測物之傳輸,而由待測物質的厚度、折射率等參數帶來的微小變化均會引起導模傳播常數的變化,通過監測傳播常數的變化即可得到待測物質的信息。
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