期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 65, 期 11, 页码 6151-6156出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2017.2754458
关键词
Antenna array; classical interval arithmetic; dependence problem; interval analysis; Taylor expansion
资金
- Chinese National Natural Science Foundation [51490660, 51490661]
- National Natural Science Foundation of China [51775405]
- Natural Science Basic Research Plan in Shaanxi Province of China [2016JM5002]
- Opening Foundation of State Key Laboratory of Structural Analysis for Industrial Equipment [GZ15110]
In this communication, a new Taylor expansion-based interval pattern analysis method is developed to predict the impact of the small excitation amplitude uncertainty on the radiated array pattern. The dependence problem of the classical interval arithmetic, which may lead to overestimation of performance intervals, is addressed in this communication. The proposed method approximates by approximating the antenna power values to the first order with respect to the uncertain amplitude. The new method is simpler and can produce more accurate bounds of the antenna pattern and the pattern features than the existing techniques. Several representative numerical examples are investigated to demonstrate the validity and efficiency of the proposed method.
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