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| 宽角抛物方程中不规则地形的宽角移位变换处理 | |
| 引用本文： | 常以涛,胡绘斌,姜永金,傅文斌.宽角抛物方程中不规则地形的宽角移位变换处理[J].空军雷达学院学报,2011,25(2):101-104. |
| 作者姓名： | 常以涛 胡绘斌 姜永金 傅文斌 |
| 作者单位： | 1. 中国电子科技集团公司第14研究所二炮军代室,南京,210013 2. 94860部队,南京,210018 3. 空军雷达学院五系,武汉,430019 |
| 摘 要： | 为求解电磁波在不规则地形上的对流层传播问题,阐述了在二维宽角抛物方程模型（WAPEM）中处理不规则地形的宽角移位变换方法,给出了利用该方法计算不规则地形上任意距离和任意高度处的电波传播的算法和步骤.利用该方法,仿真计算了三角形分段线性地形上的电磁波传播问题,并与参考解进行了比较.计算结果验证了本方法的有效性和准确性,表明该方法可应用于WAPEM计算不规则地形上的电波传播问题. |
| 关 键 词： | 电波传播 宽角抛物方程 不规则地形 宽角移位变换方法 边界平移法 |
Wide-Angle Shift Mapping of Irregular Terrain in Wide-Angle Parabolic Equation |
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| CHANG Yi-tao,HU Hui-bin,JIANG Yong-jin,FU Wen-bin.Wide-Angle Shift Mapping of Irregular Terrain in Wide-Angle Parabolic Equation[J].Journal of Air Force Radar Academy,2011,25(2):101-104. | |
| Authors: | CHANG Yi-tao HU Hui-bin JIANG Yong-jin FU Wen-bin |
| Affiliation: | CHANG Yi-tao1,HU Hui-bin2,JIANG Yong-jin3,FU Wen-bin3(1.Military Representative Office of Second Artillery Force in the 14th Research Institute of China Electronics Technology Group Corporation,Nanjing 210013,China,2.94860 Unit of the PLA,Nanjing 210018,3.No.5 Department,AFRA,Wuhan 430019,China) |
| Abstract: | To solve the problem of EM wave propagation via troposphere over irregular terrains,this paper addresses the wide-angle shift mapping method for irregular terrain processing in a 2D wide-angle parabolic equation model(WAPEM) and gives the algorithm and steps for computing the EM wave propagation at arbitrary distances and altitudes over the irregular terrains in terms of the addressed method.The calculation of EM wave propagation over triangular piece-wise linear terrain and its simulation are done,and the ... |
| Keywords: | EM wave propagation wide-angle parabolic equation(WAPE) irregular terrains wide-angle shift mapping boundary shift(BS) |
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