pulsed technique 中文意思是什麼
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This paper is a part of the important national defence research project - research on the technique of three millimeter pulsed radar
本文是國防重點科研課題「三毫米脈沖雷達探測技術」的組成部分之一。 -
Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds
根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數，三種化合物都具有自聚焦特性，並且在該波長下，三種化合物均具有雙光子吸收，最後，以皮秒脈沖的532nm為激發波長，採用z掃描方法，研究了三種金屬有機化合物的非線性折射和非線性吸收性質，在該波長下三種化合物仍然表現為自聚焦特性，且其吸收為反飽和吸收。 -
The study on fast neutron physics and relative technique of experiment and data analysis made at a pulsed neutron generator in beijing normal university during recent yeras is introduced
摘要綜述近年來在北師大低能所的國內第一臺脈沖化高壓倍加器上開展的快中子物理，及有關的實驗和數據處理技術研究。 -
At last, combining the characteristics of the missle - borne high - prf pulsed doppler radar, this paper analyzed the difficulties and the possible technique approach in detecting and recogniting moving target using missle - borne high - prf pulsed doppler radar
最後，本文結合彈載高重頻脈沖多普勒體制雷達的特點，分析了彈載pd雷達對機動目標進行檢測、識別的難點及可採用的技術途徑。 -
The main topic of this thesis is to deposit the lacamno3 films using the pulsed laser deposition ( pld ) technique, and to improve the properties of the films through a serials of processes including the post annealing treatments. at last, the relation between the physical properties and the film making processes of the materials are discussed and some possible applications explored
本論文的任務就是利用脈沖激光沉積lacamno _ 3薄膜，並通過退火等一系列工藝處理提高薄膜性質，最終製作測輻射熱儀的敏感元件，同時也對材料的物性展開討論，以探尋更多的應用。 -
But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity. in this section, gauss, hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n. in section 3, by using fourier transform technique and applying the paraxial approximation in frequency domain, we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space
接著，考慮了幾種特殊的脈沖gauss光束（ pulsedgaussianbeam ） ，結果顯示，在此情況下緩變包絡近似（ slowly - varyingenvelopeapproximation ）理論已不再有效，其失效的原因是，該理論導致了脈沖光束解的空間奇異性，並使脈沖光束不再具有符合物理意義的光束行為，而通過復解析信號的分析方法可以消除這種空間奇異性。 -
Technique for surface modification of materials by high - current pulsed electron beam
強流脈沖電子束材料表面改性技術
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