Abstract
The relationship between the size of a focal plane array in a prime focus dish and achievable scan angle is studied in order to find a starting point for designing such systems. A physical optics model is used to obtain focal plane fields and the radii in the focal plane required to encircle 3 dB and 1 dB below the incident power is calculated for a range of dish diameters and focal length over dish diameter ratios (F/D). The study found the focal plane fields are largely independent of dish size when the scan angle is expressed in beamwidths and gives guidance for the optimal F/D to achieve maximum field of view for a given focal plane array size.
| Original language | English |
|---|---|
| Title of host publication | 2005 IEEE Antennas and Propagation Society, International Symposium |
| Subtitle of host publication | digest |
| Editors | John Upshur |
| Place of Publication | Piscataway, NJ |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 371-374 |
| Number of pages | 4 |
| Volume | 3A |
| ISBN (Print) | 0780388836, 9780780388833 |
| DOIs | |
| Publication status | Published - 2005 |
| Event | 2005 IEEE Antennas and Propagation Society International Symposium and USNC/URSI Meeting - Washington, DC, United States Duration: 3 Jul 2005 → 8 Jul 2005 |
Other
| Other | 2005 IEEE Antennas and Propagation Society International Symposium and USNC/URSI Meeting |
|---|---|
| Country/Territory | United States |
| City | Washington, DC |
| Period | 3/07/05 → 8/07/05 |
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