Generalized energy-aperture product limit for multi-beam and spotlight SARs
The SAR energy-aperture product limit is extended to multi-beam SARS, Spotlight and moving spotlight SARS. This fundamental limit bounds the tradeoff between energy and antenna size. The kinematic relations between design variables such as platform speed, pulse repetition frequency, beam width and area rate are analyzed in a unified framework applicable to a wide variety of SARs including strip maps, spotlights, vermer arrays and multi-beam SARS, both scanning and swept-beam. Then the energy-aperture product limit is derived from the signal-to noise requirement and the kinematic constraints. The derivation clarifies impact of multiple beams and spotlighting on SAR performance.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 221054
- Report Number(s):
- UCRL-ID-123065; ON: DE96009818
- Resource Relation:
- Other Information: PBD: 21 Dec 1995
- Country of Publication:
- United States
- Language:
- English
Similar Records
Spotlight SAR interferometry for terrain elevation mapping and interferometric change detection
Space-Variant Post-Filtering for Wavefront Curvature Correction in Polar-Formatted Spotlight-Mode SAR Imagery
Spaceborne SAR study: LDRD 92 final report. [Synthetic Aperture Radar (SAR)]
Technical Report
·
Thu Feb 01 00:00:00 EST 1996
·
OSTI ID:221054
Space-Variant Post-Filtering for Wavefront Curvature Correction in Polar-Formatted Spotlight-Mode SAR Imagery
Technical Report
·
Fri Oct 01 00:00:00 EDT 1999
·
OSTI ID:221054
Spaceborne SAR study: LDRD 92 final report. [Synthetic Aperture Radar (SAR)]
Technical Report
·
Mon Mar 01 00:00:00 EST 1993
·
OSTI ID:221054