A Numerical Analysis of Cumulative Probability of Incident Wave Indoor Propagation
A Numerical Analysis of Cumulative Probability of Incident Wave Indoor Propagation
复制标题
入射波室内传播累积概率的数值分析
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
T. Hikage
中科院分区：
文献类型：
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作者：
T. Hasegawa;Y. Iwamoto;M. Omiya;T. Hikage
在日本，已经开始了用于m个胆汁接收器的数字地面广播服务[1]-[3]。这种服务在自然灾害爆发时作为通讯手段是有效的。到目前为止，对各种环境下的接收特性和接收恶化的对策进行了实验研究。采用时域有限差分（FDTD）技术进行大规模数值分析是有效的[4]，[5]。特别是，它是有效的，以处理室内proagation和入射波在有限的区域，如教室，实验室或走廊。在以前的报告[6]中，我们考虑了数字地面广播的入射平面波，以澄清其室内传播特性。对入射平面波在室内的传播进行了计算机模拟，给出了空房间和有家具房间两种模型的传播特性。结果表明，对于有家具的房间，水平偏振入射波的交叉偏振分量相对增加。本文讨论并数值评估了带有家具的房间中电磁分布的累积概率以及交叉极化特性。空间高分辨率的实验室模式也将被删除。
The digital terrestrial broadcasting services for m bile receivers had already been started in Japan [1]-[3]. The service is effective as communic ation means at outbreaks of natural disaster. Experimental studies of the reception characteristi c n various environments and countermeasures for the deterioration of reception are carried out up to now. A large-scale numerical analysis by using the finite-difference time-domain (FDTD) tech nique is effective for this purpose [4], [5]. Especially, it is effective to deal with indoor pro agation and incident waves in limited areas such as a classroom, a laboratory or a hallway. In the previous report [6], we considered the incid ence plane wave of digital terrestrial broadcasting due to clarifying its indoor propagati on characteristics. We carried out a computer simulation about indoor propagation of the incident plane wave toward the rooms and showed the propagation characteristics for the two models, an empty room and a room with a set of furniture. As a result, cross polarized components against the incident wave with the horizontal polarization were relatively increased for the room with a set o f furniture. This paper discusses and evaluates numerically cumu lative probabilities for electromagnetic distributions as well as cross polarization charact eristics in the room with a set of furniture. Also the spatially high resolution laboratory model will be d veloped.