Calculation of antenna array far field impulse response using the finite-difference time-domain method

被引：1
|
作者：
Wu, C [1 ]
Lee, J [1 ]
机构：
[1] Def Res & Dev Canada Ottawa, Ottawa, ON K1A 0Z4, Canada
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 03期
关键词：
finite-difference time-domain; slot waveguide array; impulse response; antenna far field;
D O I：
10.1002/mop.21370
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：
The waveform ill the radiation field of a radar antenna call be obtained by using the convolution of the transmitted signal and the antenna far-field impulse response (AFFIR). In this paper, the finite difference time-domain (FDTD) method is applied to calculate the AFFIR of an X-band 54-element waveguide slot array at different radiation angles using the excitation of a wideband Gaussian pulse. To demonstrate the usage of the far-field impulse response, the waveforms in the radiation field of a narrowband Gaussian pulse are calculated at three different radiation angles by the convolution of the pulse and the waveguide slot-array AFFIR. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：424 / 430
页数：7
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