VSN

First-principle Calculation ( by VASP) indicates that the yellow luminescence derives from the Sn vacancy ( VSn). Solvent-thermal method is in a critical condition, can occur under the normal conditions the reaction can not be achieved, and can generate metastable state structure of materials.

第一性原理计算表明所激发的黄光发射来自于锡空位（Vsn）。溶剂热法中有机溶剂处于临界状态下，能够发生通常条件下无法实现的反应，并能生成具有介稳态结构的材料。

As a new paradigm of Wireless Sensor Networks ( WSN), Vehicular Sensor Network ( VSN) attracted more and more attention from industry and academy.

作为一种新兴的无线传感器网络，车载传感器网络（Vehicular Sensor Networks）日益成为学术界及工业界关注的重点。

We need to design effective DTN routing protocol when deploying delay-tolerant applications in VSN.

在车载传感器网络中部署具有容迟特点（Delay-Tolerant）的应用时，需设计有效的DTN路由协议。

The simulation results show POR outperforms traditional DTN routing protocols in VSN.

实验结果表明，在车载传感器网络中POR协议的性能优于传统DTN路由协议。

Compared with traditional WSN, VSN has its own characteristics, such as no energy constraints, high node density, dynamic network topology and passive coverage.

与此同时，车载传感器网络也有其自身的特点，例如能量不受限、节点密度高、网络动态变化、被动覆盖等。

The occlusion variable is calculated and updated with calibration information in VSN. A dynamic threshold is introduced to calculate and update the occlusion variable, because the size in image plane is different with different object locations.

利用视觉传感器网络的标定信息和目标信息进行遮挡变量的计算，针对目标在公共平面不同位置的尺寸不同，提出动态阈值的方法进行遮挡变量的判断和更新。