This research involved studying the characteristics of composite electromagnetic scattering from a rocket moving above actual terrain using the finite-difference time-domain method. The angular distribution curve of the composite scattering coefficient was obtained, and the influences of factors such as the angle of incidence, the frequency of the incident electromagnetic wave, the content of moisture in soil, the dielectric constant of the rocket-shell material, the height of the rocket, and the undulation of the terrain on the composite scattering coefficient were investigated. Results show that the composite scattering coefficient oscillates with the scattering angle and increases in the direction of mirror reflection. It also decreases with increasing angle of incidence, frequency of the incident wave, and altitude of the rocket, while it increases with increasing soil moisture and dielectric constant of the rocket-shell materials. Although the influence of different terrain undulations on the composite scattering coefficient is noticeable, it follows no fixed pattern.

Guanhongye Peng

Xincheng Ren

Lixin Guo

Xiaomin Zhu

Pengju Yang

Ye Zhao

Bohang Zhang

Guoshan Wu

International Journal of Antennas and Propagation

INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 发表有关天线设计、分析和应用的论文，以及有关电磁波在所有相关频率、通过空间、空气和其他介质的传播的理论和实践研究。以及原创研究, INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 还发表重点评论文章，检查最新技术，确定新兴趋势，并为发展领域提出未来方向。

The International Journal of Antennas and Propagation publishes papers on antenna design, analysis, and applications, as well as theoretical and practical studies on the propagation of electromagnetic waves across all relevant frequencies through space, air, and other media. In addition to original research, the journal also features review articles that examine the latest technologies, identify emerging trends, and propose future directions for the development of the field.

《International Journal of Antennas and Propagation》发表关于天线设计、分析和应用的论文，以及电磁波在各种频率下通过空间、空气和其他介质传播的理论与实践研究。此外，该期刊还刊登重点评论文章，探讨最新技术，识别新兴趋势，并为该领域的发展提供未来方向。

Category	Quartile
计算机科学	4
计算机科学, 工程电子与电气	4
计算机科学, 电信学	4

Composite Electromagnetic Scattering Characteristics of Actual Terrain and Moving Rockets

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