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Review for Multipath Facts in the Realm of Weak GNSS Signal

Computer Aided Drafting,Design and Manufacturing 2010年第2期20卷 92-99页

作者： OLIVER Garcia School of Electronic Information Engineering Beijing University of Aeronautics and Astronautics

One of the most significant problem pending to be mitigated for satellite navigation at indoor environments is the multipath errors. At indoor environments, weak GNSS signals should be acquired and tracked by the GPS receivers, this paper will give a review of the facts in multipath and its main influence in the GNSS navigation systems. Investigation in this field are not new, understanding and mitigating multipath effects on GPS receivers will lead to an important level where the system can be used within a desired tolerance reducing its errors due to more accurate positioning solution.

关键词： multipath multipath mitigation indoor GNSS receivers indoor environment

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Modeling Human Blockers in Millimeter Wave Radio Links

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ZTE Communications 2012年第4期10卷 23-28页

作者： Jonathan S. Lu Daniel Steinbach Patrick Cabrol Philip Pietraski InterDigital Communications LLCMelvilleNY 11747 USA

In this paper, we investigate the loss caused by multiple humans blocking millimeter wave frequencies. We model human blockers as absorbing screens of infinite height with two knife-edges, We take a physical optics approach to computing the diffraction around the absorbing screens, This approach differs to the geometric optics approach described in much of the literature. The blocking model is validated by measuring the gain from multiple-human blocking configurations on an indoor link. The blocking gains predicted using Piazzi ＇ s numerical integration method （a physical optics method） agree well with measurements taken from approximately 2.7 dB to -50 dB. Thereofre, this model is suitable for real human blockers, The mean prediction error for the method is approximately -1.2 dB, and the standard deviation is approximately 5 dB.

关键词： 60 GHz diffraction human blocking loss human shadowing indoor environment millimeter wave propagation physical optics

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DISCUSSION ABOUT THE COLOR environment AND FUNCTIONS IN INTERIOR DESIGN

DISCUSSION ABOUT THE COLOR ENVIRONMENT AND FUNCTIONS IN INTE...

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2006年中国机械工程学会年会暨中国工程院机械与运载工程学部首届年会

作者： WEI Peng (Dept. of Design, Guilin University of Electronic and Technology, Guangxi, Guilin 541004)

The color is the soul of interior designs, the vivid and active factors that it gives to human. If they can be used perfectly in the interior designs, sometimes you can achieve some surprise effects.

关键词： Color indoor environment function.

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Analytical Application of environmental Psychology to Modern Interior Design

Analytical Application of Environmental Psychology to Modern...

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2010国际工业设计研讨会暨第十五届全国工业设计学术年会

作者： Xiong Shuhui,Xu Yi and Xu Hui Nanchang University,330031,Nanchang,China

with regard to the development of the modern human living environment and the reflection of new life,the new living concept is discussed through the demonstration on the relationship between human beings and the environment and the way the interior artificial environment is *** combination of how to choose the environment and how to create the environment is one of the core factors in the interior design.

关键词： environment psychology indoor environment

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