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长春光学精密机械与物... [2]
厦门大学 [1]
武汉大学 [1]
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会议论文 [3]
期刊论文 [1]
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2016 [1]
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"The Other" Trapped in a Bicultural Dilemma An Analysis of Celeste Ng's Everything I Never Told You
会议论文
作者:
Yin, Yan
;
Liu, Junping
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浏览/下载:7/0
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提交时间:2019/12/05
Celeste Ng
Everything I Never Told You
the Other
Chinese American literature
the space of cultural hybridity
舍勒情感现象学的他者观
期刊论文
2015
王欢欢
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浏览/下载:4/0
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提交时间:2016/05/17
舍勒
情感
自我-他人
Scheler
affective
I-the other
Study of high precision non-contact measurement based on CCD (EI CONFERENCE)
会议论文
4th International Conference on Information Technology and Applications, ICITA 2007, January 15, 2007 - January 18, 2007, Harbin, China
Lin L.
;
Yun F.
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浏览/下载:19/0
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提交时间:2013/03/25
In this paper a method that measures relatively positionrelationshipquickly and accurately between two vehicles both on a horizontal plane is introduced. When the linear CCD camera placed on the end of manipulator scans two point targets located on the other vehicle
by virtue of the spatial intersection principle and trigonometry theorem
the relative position relationship between the loading vehicles and launching ones can be gotten(i.e. the spatial coordinate parameters of x
y
z and the angle displacement ). At the same time the paper establishes that the measurement error of length is less than 1mm
by analysis of thee rror analysis and the simulation of computer. The angle displacement is less than 3
which satisfies the technical requests. So the vehicle orientation and loading missiles can be both done at the shortest time. It meets the demand of centralization between the measurement and execution. Forboth automatic transshipment and spatial position relationship measurement
the study is valuable. And the manipulator is measure device as well as executive one so that residual inherent error decreases according to identical reference principle. Therefore the measure precision can be improved greatly.
Optical thin films for high power LD-pumped Nd:YVO4 457nm blue laser (EI CONFERENCE)
会议论文
ICO20: Optical Design and Fabrication, August 21, 2005 - August 26, 2005, Changchun, China
Bu Y.
;
Zheng Q.
;
Xue Q.
;
Qian L.
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提交时间:2013/03/25
The expanding field of LD-pumped solid state lasers forms an extraordinary challenge for developing the optical coatings. Optical thin films for LD-pumped Nd:YVO4/LBO blue laser at 457nm was presented in this paper based on lower gain laser line action theory
including spectral beam dividers and doubling antireflecting multilayer coatings. To achieve 914nm laser action and 457nm blue light high output power
the coating specifications of laser resonator was analyzed. The transmittance/reflectance spectrum request was effectively separated by adopting high tuned radio stack
simultaneously the spectrum request was reasonably distributed on the two resonator facet reflectivity for restrain the other laser lines such as1064nm and1342nm. The dielectric high reflective laser mirror and antireflecting coatings for 457nm laser were manufactured by double ion beam sputtering technique
which is controlled by a time-power monitoring. Using type-I critical phase-matching LBO crystal
457nm blue laser is obtained by 914nm intracavity frequency doubling. The maximum laser output power of 1.5W is obtained when incident pump laser of 15W is used.
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