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| In this paper, the noise equivalant power (NEP) of optical heterodyne system has been measured with a method based on acousto-optici germanium' crystal modulator working at Bragg diffraction mode as a frequency shifting device in heterodyne system. |
中文意思：
本文介绍了利用工作于Bragg衍射的Ge晶体声光调制器作为外差系统中的频移器来测量外差系统的噪声等效功率(NEP)的方法。 |
以下为相关句子列表(点击查看，可以看对应的解释）：
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In this paper, the Cu matrix composites reinforced by Al_O_ particulates have been prepared by the process of briquet sintering plus repress and resintering.
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本文采用压坯烧结加复压复烧工艺制备出Al_O_ /Cu 复合材料, 研究了制备工艺对复合材料性能的影响。 |
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In this paper, the application and process requirement of padder, type and structure of roller, as well as how to increase evenness and efficiency of padding liquid, and correct maintenance of padder are all analyzed.
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本文就轧车的使用及有关工艺要求、轧辊的类型及结构、如何提高轧液均匀性、轧液效率以及轧车的正确维护等进行了分析 |
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In this paper, the author clarifies establishing brand service of library by polite service in the newest book-room,from two aspects:knowing reader's requirements and promoting service quality.
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In this paper, the laminar burning velocity of biogas-air mixture was measured and analyzed by Bunsen's burner method, and the equation of laminar burning velocity on biogas was sumarized.
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本文采用本生灯法对沼气—空气混合气的层流燃烧速度进行了测定和分析 ,并总结出沼气层流燃烧速度的计算公式。 |
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In this paper, the method of nonlinear programming is used to design the Work-mechanism of scooper loaders.
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本文提出了应用非线性规划方法设计铲运机工作机构。 |
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In this paper, the noise equivalant power (NEP) of optical heterodyne system has been measured with a method based on acousto-optici germanium' crystal modulator working at Bragg diffraction mode as a frequency shifting device in heterodyne system.
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本文介绍了利用工作于Bragg衍射的Ge晶体声光调制器作为外差系统中的频移器来测量外差系统的噪声等效功率(NEP)的方法。 |
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In this paper, the preparation methods of LiO-AlO -SiO glass-ceramic are reviewed and the applications of LiO-AlO -SiO glass-ceramic in cooking panels and in parts of the precision optics instruments are introduced.
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综述了LiO-A lO -SiO系微晶玻璃和微晶玻璃粉的制备方法,介绍了LiO-A lO -SiO系微晶玻璃在炉灶面板和精密光学仪器零部件的应用概况。 |
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文章从染前半制品、染料、轧槽、轧车、预烘与烘干、焙烘浸轧化学液、汽蒸及染色后处理等方面探讨了连续轧染染色左中右色差的成因及可采取的预防措施 |
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In this paper, the section theorem of principal Bundles is applicd in Lie groups:O(n)、GL(n, R)and K(n,R)
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本文给出了主丛截面定理在李群O(n)、GL(n.R),K(n,R)上的几则运用。 |
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In this paper, the song characteristics in three species of cicadas: Acutivalva choui Yao (A), Aola bindusara Distant (B), Linguvalva sinensis Chou et Yao (C) and their chcrus in early morning at Jinghong in Yunnan Province are analysed.
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In this paper, we calculated on the base of G—L theory generatized by Bardeen Critical fields H_k, supercooling fields H_(k), superheating fields H_(k) and critical thickness d_k with specular scattering boundary conditions.
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本文从Bardeen的推广G—L理论出发,在镜面反射的条件下,计算了超导薄膜的临界场H_K、过冷场H_(K)、过热场H_(K),以及临界厚度d_K。 |
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