The maiden flight of Hinotori-C: The first C band full polarimetric circularly polarized synthetic aperture radar in the world

Synthetic Aperture Radar (SAR) is a very powerful tool in microwave remote sensing due to its capability of all-weather and day-to-night time operation [1]. Carl Wiley invented SAR in 1951 to overcome the poor azimuth resolution in conventional Side-Looking Airborne Radar (SLAR), followed by a paten...

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Bibliographic Details
Published in:IEEE aerospace and electronic systems magazine 2019-02, Vol.34 (2), p.24-35
Main Authors: Chua, Ming Yam, Sumantyo, Josaphat T. Sri, Santosa, Cahya E., Panggabean, Good F., Sumantyo, Franciskus D. Sri, Watanabe, Tomoro, Ji, Ya Qi, Sitompul, Peberlin P., Nasucha, Mohammad, Kurniawan, Farohaji, Purbantoro, Babag, Awaludin, Asif, Sasmita, K., Rahardjo, Eko T., Wibisono, Gunawan, Jatmiko, Retnadi H., Sudaryatno, Sudaryatno, Purwanto, Taufik H., Widartono, Barandi S., Kamal, Muhammad
Format: Magazinearticle
Language:English
Subjects:
Aerospace electronics
Airborne radar
Airborne sensing
Azimuth
C band
Circular polarization
Damage assessment
Deformation
Electromagnetic scattering
Image resolution
Inventions
Oceanography
Radar polarimetry
Receiving antennas
Remote sensing
Sharpening
Synthetic aperture radar
Target detection
Transmitting antennas
Weather
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Summary:Synthetic Aperture Radar (SAR) is a very powerful tool in microwave remote sensing due to its capability of all-weather and day-to-night time operation [1]. Carl Wiley invented SAR in 1951 to overcome the poor azimuth resolution in conventional Side-Looking Airborne Radar (SLAR), followed by a patent filed in 1954 [2]. Unlike SLAR, using the forward motion of the platform and the principle of Doppler beam sharpening, the azimuth resolution of a SAR is equal to half the antenna length and is independent of the range distance [3]. Since the invention of SAR, steered by the breakthrough in science and technology, many advanced SAR techniques have been proposed and realized. These techniques include, but are not limited to, spotlight SAR for a finer image resolution [4], scan SAR for a wider swath coverage [5], and the remarkable polarimetric [6] and interferometric [7] SAR techniques using multichannel SAR system [8], [9], [10] for advanced remote sensing applications. Over the years, SAR has been widely used in different types of application, particularly in Earth observation such as disaster damage assessment [11], land deformation observation [12], oceanography [13], terrain classification [14], target detection [15], and so on. The diversified applications of SAR have encouraged the rapid development of airborne and spaceborne SAR sensors.
ISSN:0885-8985
1557-959X
DOI:10.1109/MAES.2019.180120