Abstract
A novel stepped-amplitude aperiodic phased array synthesis method is proposed. The presented technique is based on iterative convex element position perturbations and uses pre-defined excitation amplitudes. A 64-element irregular array with two discrete amplitude levels (0.5 at the edge-elements and 1 at the center-elements) is synthesized for demonstration purposes. The array achieves a side lobe level lower than - 30 dB and a directivity higher than 20 dBi within the given field-of-view (±60 degrees in azimuth and ±15 degrees in elevation). Through comparative studies of the array directivity, effective isotropic radiated power and maximal side lobe level with the ones of the uniformly-fed/amplitude-tapered periodic arrays and a uniformly-fed aperiodic array, it is shown that the proposed stepped-amplitude array provides the best complexity/performance trade-off.
| Original language | English |
|---|---|
| Title of host publication | 2021 15th European Conference on Antennas and Propagation (EuCAP) |
| Publisher | IEEE |
| Number of pages | 5 |
| ISBN (Electronic) | 978-88-31299-02-2 |
| ISBN (Print) | 978-1-7281-8845-4 |
| DOIs | |
| Publication status | Published - 2021 |
| Event | EuCAP 2021: 15th European Conference on Antennas and Propagation (EuCAP) - Virtual Conference at Dusseldorf, Germany Duration: 22 Mar 2021 → 26 Mar 2021 https://www.eucap.org/ |
Conference
| Conference | EuCAP 2021 |
|---|---|
| Abbreviated title | EuCAP 2021 |
| Country/Territory | Germany |
| City | Virtual Conference at Dusseldorf |
| Period | 22/03/21 → 26/03/21 |
| Internet address |
Bibliographical note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-careOtherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
Keywords
- array synthesis
- phased arrays
- aperiodic arrays
- stepped amplitude arrays