Multi-band Bistatic Radar Echo Prediction from the Terrian Surfaces

Zhang Yuan-yuan; Wu Zhen-sen; Cao Yun-hua; Zhang Yu-shi

doi:10.11999/JEIT150301

Volume 37 Issue 11

Nov. 2015

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Article Navigation > Journal of Electronics & Information Technology > 2015 > 37(11): 2749-2755

Zhang Yuan-yuan, Wu Zhen-sen, Cao Yun-hua, Zhang Yu-shi. Multi-band Bistatic Radar Echo Prediction from the Terrian Surfaces[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2749-2755. doi: 10.11999/JEIT150301

Citation:

Zhang Yuan-yuan, Wu Zhen-sen, Cao Yun-hua, Zhang Yu-shi. Multi-band Bistatic Radar Echo Prediction from the Terrian Surfaces[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2749-2755. doi: 10.11999/JEIT150301

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Multi-band Bistatic Radar Echo Prediction from the Terrian Surfaces

doi: 10.11999/JEIT150301

1.
(School of Physics and Optoelectronic Engineering, Xidian University, Xi&rsquo
2.
(China Research Institute of Radiowave Propagation, Qingdao 266107, China)

Funds:

The National Natural Science Foundation of China (61172031)

Received Date: 2015-03-11
Rev Recd Date: 2015-06-29
Publish Date: 2015-11-19

Abstract

Abstract

Bistatic radar has an advantage in the anti-stealth and low altitude defense, but the bistatic scattering data measured from the terrian surface are extremely scarce. To solve this problem, the genetic algorithms and the backscattering data from the soil, concrete and the sand surface in L/S/X/Ku band are used to retrieve the effective permittivity and the roughness parameters of the land, and then the bistatic scattering data are predicted. The research above proves that the land equivalent surface scattering model is effective. The bistatic scattering echo increases with frequency, and it first increases and then decreases along with the scattering angles, first decreases and then increases along with the scattering azimuth angles. The minimum value of the bistatic scattering echo always appears in the 90 degree azimuth angles for the HH polarization, and it shifts from 90 degree azimuth angles to the small angle direction for the VV polarization. And also it is related to incident frequency, the moisture and the roughness of land. The bistatic scattering characteristics of land surface can be used for the anti-stealth research and the inversion of the land parameters.
- Bistatic land scattering,
- Multi-band measurement,
- Equivilent parameters inversion

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References(22)

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