Investigation of Short-Range Radiowave Propagation at HF/VHF Frequencies in a Forested Environment

被引：7

作者：

Li, Yang ^{[1
]}

Wu, Ming-Feng ^{[1
]}

Yilmaz, Ali E. ^{[1
]}

Ling, Hao ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78712 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷

基金：

美国国家科学基金会;

关键词：

Forest; HF; radiowave propagation; VHF; CUT-WIRE ARRAY; WAVE-PROPAGATION; SLAB MODEL; ESPRIT; VHF;

D O I：

10.1109/LAWP.2009.2034478

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Short-range radiowave propagation measurements are conducted in a loblolly pine forest and an open field at frequencies from 20 to 100 MHz. The measurement results are processed and the propagation constant of the dominant propagation mechanism is extracted. Comparison of the forest and the open field results shows a distinct resonance behavior for forest propagation in the frequency band from 33 to 42 MHz. The observed phenomena are corroborated by full-wave simulation results.

引用

页码：1182 / 1185

页数：4

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