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| Content Provider | IET Digital Library |
|---|---|
| Author | Jiangting, Li Teng, Gong Lixin, Guo |
| Abstract | To investigate the electromagnetic scattering problem related to a foil in a turbulent hypersonic plasma environment, the scattering field formulas for hypersonic plasma turbulence were improved by applying the anisotropic power spectrum. Using the theory of electromagnetic scattering of a conducting object, the second moment of a conducting object's scattering field is obtained in the hypersonic plasma turbulence. Finally, the backscattering cross-section of the foil surrounded by the hypersonic plasma turbulence was calculated. The results showed that the fractal dimension led to an increase in the complexity of the hypersonic turbulent structure, and thus had a greater influence on the electromagnetic wave scattering. The scattering cross-section of the foil in the hypersonic turbulence decreases rapidly. Meanwhile, the anisotropic parameters in the model represent scale-dependent stretching of the turbulent eddy. As the anisotropic parameters of the turbulence increase, there will be less scattering of the hypersonic turbulence. At this point, the total scattering cross-section of the foil in hypersonic plasma turbulence increases gradually. By improving the aerodynamic shape of the aircraft, it can produce a large number of anisotropic turbulent eddies which can effectively improve the passive jamming capability when the foil is cast. |
| Starting Page | 2575 |
| Ending Page | 2579 |
| Page Count | 5 |
| ISSN | 17518725 |
| Volume Number | 13 |
| e-ISSN | 17518733 |
| Issue Number | Issue 14, Nov (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/13/14 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5310 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2019-08-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aerodynamic Shape Aircraft Anisotropic Power Spectrum Anisotropic Turbulent Eddies Electromagnetic Scattering Problem Characteristic Electromagnetic Wave Electromagnetic Wave Propagation in Plasma Electromagnetic Wave Scattering Electromagnetic Wave Scattering Problem Field Formula Scattering Foil Fractals Hypersonic Plasma Turbulence Structure Passive Jamming Capability Plasma Electromagnetic Wave Propagation Plasma Turbulence Total Scattering Cross-section Turbulent Hypersonic Plasma Environment Von Kármán Spectrum |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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