Abstract
This letter presents a fast exponential analysis and variable projection method to reduce the number of elements in linear phased arrays. The numerical examples given in this work demonstrate a reduction of approximately 20% or 10% in the number of elements, with only a slight decrease in directivity of 0.63 dBi observed for a scan range of [-45°,45° ]. Compared with the combined matrix pencil and Tabu search algorithm, the proposed technique converges in fewer iterations and exhibits ≈ 5 dB reduction in maximum sidelobe level.
| Original language | English |
|---|---|
| Article number | 10887083 |
| Pages (from-to) | 1527-1531 |
| Number of pages | 5 |
| Journal | IEEE Antennas and Wireless Propagation Letters |
| Volume | 24 |
| Issue number | 6 |
| Early online date | 13 Feb 2025 |
| DOIs | |
| Publication status | Published - Jun 2025 |
Funding
This work was supported by the European Union under ANTERRA 101072363 HORIZON-MSCA-2021-DN-01. Views and opinions expressed are, however, those of the author(s) only and do not necessarily reflect those of the European Union. Neither the European Union nor the granting authority can be held responsible for them.
Keywords
- Exponential Analysis
- Linear Antenna Arrays
- Phased Arrays
- Variable Projection
- variable projection (VarPro)
- Exponential analysis (EA)
- phased arrays
- linear antenna arrays
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