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Haojie Zhang, Di Ren and Fanghua Jiang
In the past few years, non-geostationary orbit (NGSO) satellite communication constellations have regained popularity due to their conspicuous advantages. Nevertheless, with more NGSO satellites getting involved in communications, the spectrum resources ...
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So Hyun Seo, Jae Myung Ryu and Hojong Choi
Head mounted display; display optical system.
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Ruoxin Liu, Zexiao Li, Yiting Duan and Fengzhou Fang
Off-axis reflective optical systems find wide applications in various industries, but the related manufacturing issues have not been well considered in the design process. This paper proposed a design method for cylindrical reflective systems considering...
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Chuan Jin, Yu He, Yan Tang, Zhongye Xie, Lixin Zhao and Song Hu
We present an effective method for the topography characterization of large gradient micro-structure based on digital holographic microscope (DHM). Due to the limitation of numerical aperture of DHM system, high frequency information corresponding to lar...
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Hojong Choi, Joo-Youn Jo and Jae-Myung Ryu
An omni-directional optical system can be used as a surveillance camera owing to its wide field angle. In cases in which a system is designed with a central screen obscuring structure to increase the resolution of the off-axis field, however, the convent...
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Luis Aguirre
Pág. 123 - 144
RESUMEN. La Cordillera Occidental del sur de Colombia esta formada principalmente por las rocas cretacicas, volcanicas e intrusivas, de caracter basico, del Grupo Diabasico. Las caracteristicas quimicas de estas rocas corresponden a corteza oceanica afin...
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