MILLIMETER-WAVE BACKSCATTER FROM DECIDUOUS TREES

被引：5
|
作者：
BOREL, CC [1 ]
MCINTOSH, RE [1 ]
机构：
[1] UNIV MASSACHUSETTS,DEPT ELECT & COMP ENGN,AMHERST,MA 01003
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1990年 / 38卷 / 09期
关键词：
D O I：
10.1109/8.56990
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：
Measurements of the millimeter wave backscatter from deciduous (leafed) trees are explained in this paper using a simple scattering model. The backscatter from individual leaves was measured in the laboratory and used to justify the use of an average leaf radar cross section when computing the normalized radar cross section (NRCS) of tree canopies. NRCS measurements of canopies show that the direction that the incident radiation impinges on the canopy is an important factor in characterizing radar backscatter. Comparisons of measured NRCS values demonstrate that planophil and erectophil trees can be distinguished based on their backscatter at 215 GHz. © 1990 IEEE
引用
收藏
页码：1391 / 1398
页数：8
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