High Frequency Methods for Simulation of High Resolution Imaging in Terahertz Regime

被引：8
|
作者：
Li, Zhuo [1 ]
Cui, Tie Jun [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Sch Informat Sci & Technol, Nanjing 210016, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES | 2010年 / 31卷 / 03期
基金：
美国国家科学基金会;
关键词：
THz imaging; High frequency method; TW-ILDCs; NEAR-FIELD; ELECTROMAGNETIC SCATTERING; PULSES;
D O I：
10.1007/s10762-009-9588-1
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：
High resolution imaging in the terahertz (THz) frequency range is investigated theoretically in this paper through the use of the high frequency methods in computational electromagnetics (CEM). Physical optics (PO), shooting and bouncing ray (SBR) and truncated-wedge incremental length diffraction coefficients (TW-ILDCs) methods are combined together to compute the scattered fields, which are then used to construct the inverse synthetic aperture radar (ISAR) images through two dimensional fast Fourier transform (2D-FFT). The corresponding ISAR images clearly show that high range and bearing resolution can be easily realized for THz carrier waves with broad bandwidth.
引用
收藏
页码：349 / 357
页数：9
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