Abstract
We describe a theoretical formulation allowing optimization of phased-array beam patterns in the presence of missing elements. The approach specifies the desired beam pattern at a set of control points (directions) in the focal plane covering both the main beam and sidelobes. Complex element weights (for either transmit or receive) are found as the vector with minimum norm (i.e., minimum energy) minimizing the square error between the realized and the specified beam patterns at the control points. The method lends itself to a robust efficient numerical calculation permitting on-line implementation.
| Original language | English (US) |
|---|---|
| Article number | 234242 |
| Pages (from-to) | 645-649 |
| Number of pages | 5 |
| Journal | Proceedings - IEEE Ultrasonics Symposium |
| DOIs | |
| State | Published - 1991 |
| Externally published | Yes |
| Event | 1991 IEEE Ultrasonics Symposium. ULTSYM 1991 - Orlando, United States Duration: Dec 8 1991 → Dec 11 1991 |
Bibliographical note
Publisher Copyright:© 1991 IEEE.
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