Development of Rapid Computational Algorithm of Radio Propagation for Surveillance System

2015 Fiscal Year Final Research Report

• Project/Area Number: 25820117
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Power engineering/Power conversion/Electric machinery
• Research Institution: Electronic Navigation Research Institute
• Principal Investigator: Honda Junichi 国立研究開発法人電子航法研究所, その他部局等, 研究員 (10643348)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 航空機監視 / 電波伝搬 / 散乱波 / レイトレーシング法 / レーダ / マルチラテレーション / 計器着陸装置 / 高速計算

Outline of Final Research Achievements

The purpose of this study is to develop an algorithm for rapid computation of electromagnetic fields in large analytical region. We considered the numerical method based on the ray tracing method (RTM) which is generally applied to computation in large area. In order to reduce computation time, we discretize obstacles by faces and simplify the procedure of ray searching. Moreover, the algorithm was expanded to three dimensional problems and was applied to follows: (1) scattered field caused by aircraft and (2) multipath in airport. We confirmed the field accuracy of the proposed method in comparison with the experimental results. The computation time is achieved saving about 70%-90% of conventional method.

Free Research Field

電磁界解析