Phase Shifting Holography for THz Near-field/Far-field Prediction

被引：5
|
作者：
Junkin, Gary [1 ]
机构：
[1] Univ Autonoma Barcelona, Dept Telecommun & Syst Engn, E-08193 Barcelona, Catalonia, Spain
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2014年 / 44卷
关键词：
D O I：
10.2528/PIERL13093006
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：
With a view to extending techniques for THz antenna near-field/far-field prediction, this communication derives general analytic expressions for calibrated phase shifting holography (PSH) and introduces a new 120 three-step PSH method that avoids switching off the reference field and has symmetrical performance over the entire complex plane, providing spurious free far-field prediction. Numerical tests with simulated near-field patterns at 372 GHz confirm the convenience of the method and give an indication of the precision required for the phase shifts.
引用
收藏
页码：15 / 21
页数：7
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