scholarly journals Focusing vibrating targets in frequency-modulation continuous-wave-synthetic aperture radar with Doppler keystone transform

2016 ◽  
Vol 10 (2) ◽  
pp. 025019
Author(s):  
Yuxin Hu ◽  
Yuan Zhang ◽  
Jinping Sun ◽  
Peng Lei
Keyword(s):  
Synthetic Aperture Radar ◽  
Frequency Modulation ◽  
Continuous Wave ◽  
Synthetic Aperture ◽  
Keystone Transform ◽  
Aperture Radar ◽  
Frequency Modulation Continuous Wave

scholarly journals Design of an antenna array for a LFM-CW synthetic aperture radar prototype

DYNA ◽  
2020 ◽  
Vol 87 (212) ◽  
pp. 96-101
Author(s):  
Alfonso José Zozaya ◽  
Paulino Jesús Del Pino Pettinare
Keyword(s):  
Synthetic Aperture Radar ◽  
Antenna Arrays ◽  
Patch Antenna ◽  
Continuous Wave ◽  
Horizontal Resolution ◽  
Synthetic Aperture ◽  
Empirical Equations ◽  
Full Wave ◽  
Theoretical Design ◽  
Aperture Radar

This paper deals with the design of two identical 1 × 4 patch antenna arrays for a linear frequency modulated (LFM) continuous wave (CW) synthetic aperture radar (SAR) prototype. The theoretical design is carried out by using the empirical equations available in the literature, while the design optimization is performed by numerical methods using two commercial full wave simulators. Once the antennas are built they are experimentally characterized and incorporated into a radar prototype implemented at the Ecuadorian Space Institute. The radar is tested in a probing polygon and the horizontal resolution is estimated. A measured azimuthal resolution value very close to the theoretical one is achieved

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