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Description: 利用离散偶极近似方法计算散射体的电磁场。 DDA 方法，重要用于小颗粒的散射问题，很有用。-discrete dipole approximation calculation of the electromagnetic scattering body. DDA method, it is important for the scattering of small particles, very useful.
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Size: 923648 |
Author: 刘易 |
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Description: 利用离散偶极炬算法计算不同形状粒子的电磁波散射特性-DDSCAT, a Fortran code for calculating scattering and absorption of light by irregular particles, has been jointly developed by Bruce T. Draine (Dept. of Astrophysical Sciences, Princeton University) and Piotr J. Flatau (Scripps Institution of Oceanography, UCSD)
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Size: 1037312 |
Author: liuxc |
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Description: A context-aware system is one that gracefully adapts to user
environment changes, rendering its applications/services more personalized.
Location has been long considered as the most important context
and numerous Location Based Services have been introduced. Proximity
detection is considered as a high level proactive location based function
that detects proximity between two mobile users. This function is needed
in diverse applications such as dating services, gaming and child tracking.
This paper presents Direction-based Dynamic Shifted Circle (DDSC)
approach which takes users direction as context in providing an efficient
proximity detection technique. Simulation experiments proved that DDSC
outperforms similar algorithms that have been introduced in literature
previously, in terms of the number of messages exchanged.
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Size: 689152 |
Author: serag |
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