✦ LIBER ✦
Null steering in planar arrays by controlling only current amplitudes using genetic algorithms
✍ Scribed by Wen-Pin Liao; Fu-Lai Chu
- Book ID
- 101272214
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 228 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
In this paper, a technique to steer the array nulls for planar arrays by controlling only the excitation current amplitudes based on genetic algorithms is in¨estigated. The proposed technique is found to be capable of steering the array nulls to the prescribed interference directions
with prescribed null depth and simultaneous sidelobe le¨el minimization. In addition, the technique is simple, easily implemented, and ¨ersatile compared with other analytic methods for this problem. To ¨erify the ¨alidity of the technique, illustrati¨e examples for both rectangular and circular planar arrays are demonstrated. Numerical results show that for planar arrays, e¨en with large elements for cases of a large number of interferences, the proposed technique does succeed in steering the array nulls with satisfactory nulling performance, as desired.