Title :
A novel SAR scheme using CC-S based phase coding waveform for ultra-low range PSLR performance
Author :
Yan-qing Zhu ; Jie Chen ; Hao-jie Zhang ; Peng-bo Wang ; Wei Yang
Author_Institution :
Sch. of Electron. & Inf. Eng., Beijing Univ. of Aeronaut. & Astronaut., Beijing, China
Abstract :
The side-lobes of strong target in conventional SAR image always impact the image qualities, sometimes submerge the weak targets. A novel SAR scheme with ultra-low range PSLR performance was proposed, by employing CC-S as SAR transmitted waveform. The CC-S coding waveform was utilized to acquired ultra-low range PSLR performance, by mutually canceled the side-lobes. As the CC-S is composed of groups of self-complementary sequences, each sequences should be transmitted with proper scheme, and the receiving time difference of each sequences should be compensated. Furthermore, the image formation algorithm for accurately focusing raw data of the SAR system was also proposed. Computer simulation results were presented, which demonstrated the validity of the proposed SAR scheme and image formation algorithm.
Keywords :
image coding; image sequences; interference suppression; phase coding; radar imaging; synthetic aperture radar; waveform analysis; CC-S coding waveform; SAR image scheme; SAR transmitted waveform; image formation algorithm; image quality; mutual sidelobe cancellation; phase coding waveform; self complementary sequence; ultra low range PSLR performance; Azimuth; Image coding; Image quality; Image resolution; Imaging; Radar imaging; Synthetic aperture radar; CC-S waveform; ultra-low range PSLR;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2013 IEEE International
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-4799-1114-1
DOI :
10.1109/IGARSS.2013.6723211