An Efficient Hybrid Method for Predicting RCS of Electrically Large Complex Targets
In this letter, an efficient MoM-PO method that merges the method of equivalent dipole moment (EDM) and the novel efficient shadowing factor determining algorithm is proposed to calculate the radar cross section (RCS) of electrically large targets with complex structures. To enhance the efficiency o...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2024-10, Vol.23 (10), p.3282-3286 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Li, Hongzu Meng, Xiao Guo, Lixin Dong, Chunlei Wang, Dan |
| description | In this letter, an efficient MoM-PO method that merges the method of equivalent dipole moment (EDM) and the novel efficient shadowing factor determining algorithm is proposed to calculate the radar cross section (RCS) of electrically large targets with complex structures. To enhance the efficiency of shadowing factor determination, shadowing factors in the proposed method are categorized into two types, each determined by distinct methods: the first employing the Open Graphics Library algorithm and the second utilizing an innovative space segmentation strategy. Additionally, to optimize the efficiency of the impedance matrix evaluation and circumvent issues of computational nonconvergence, the MoM/EDM-PO method, which is characterized by a modified impedance matrix in the MoM region, is employed. Numerical results indicate the significant accuracy and superior performance of proposed method over traditional MoM-PO (FEKO) and octree-based MoM/EDM-PO approaches. |
| doi_str_mv | 10.1109/LAWP.2024.3434679 |
| format | Article |
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Numerical results indicate the significant accuracy and superior performance of proposed method over traditional MoM-PO (FEKO) and octree-based MoM/EDM-PO approaches.</description><subject>Accuracy</subject><subject>Algorithms</subject><subject>Dipole moments</subject><subject>Equivalent dipole moment</subject><subject>Impedance</subject><subject>Impedance matrix</subject><subject>Mathematical models</subject><subject>Method of moments</subject><subject>MoM-PO</subject><subject>novel space subdivision method</subject><subject>Octrees</subject><subject>Open Graphics Library (OpenGL)</subject><subject>Radar cross sections</subject><subject>Shadow mapping</subject><subject>shadowing factor</subject><subject>Vectors</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkE1Lw0AQhhdRsFZ_gOBhwXPqzn5kk2MJ1QoRi614XJL9qFvSpG5SMP_ehPbgaWbgeeeFB6F7IDMAkj7l86_VjBLKZ4wzHsv0Ak1A8CQSUsjLcWdxBJSKa3TTtjtCQMaCTdB6XuOFc157W3d42ZfBG_xmu-_GYNcEvArWeN35eos_sjVuHF5UVnfB66KqepwXYWtx1uwPlf3Fm_Hq2lt05YqqtXfnOUWfz4tNtozy95fXbJ5HeijvIiBJoRPNBQVOOdhUMiOAQClEKQmFVLCCyjJxgkpWGG2cKRPuiIEylolmbIoeT38Pofk52rZTu-YY6qFSMQAuYkoJHyg4UTo0bRusU4fg90XoFRA1ulOjOzW6U2d3Q-bhlPHW2n98DEwAZ39yUWkH</recordid><startdate>20241001</startdate><enddate>20241001</enddate><creator>Li, Hongzu</creator><creator>Meng, Xiao</creator><creator>Guo, Lixin</creator><creator>Dong, Chunlei</creator><creator>Wang, Dan</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To enhance the efficiency of shadowing factor determination, shadowing factors in the proposed method are categorized into two types, each determined by distinct methods: the first employing the Open Graphics Library algorithm and the second utilizing an innovative space segmentation strategy. Additionally, to optimize the efficiency of the impedance matrix evaluation and circumvent issues of computational nonconvergence, the MoM/EDM-PO method, which is characterized by a modified impedance matrix in the MoM region, is employed. 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| subjects | Accuracy Algorithms Dipole moments Equivalent dipole moment Impedance Impedance matrix Mathematical models Method of moments MoM-PO novel space subdivision method Octrees Open Graphics Library (OpenGL) Radar cross sections Shadow mapping shadowing factor Vectors |
| title | An Efficient Hybrid Method for Predicting RCS of Electrically Large Complex Targets |
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