A Partial Acquisition Technique of SAR System Using Compressive Sampling Method

Rahmat Arief (2017) A Partial Acquisition Technique of SAR System Using Compressive Sampling Method. International Journal of Remote Sensing and Earth Sciences, 14 (1). pp. 9-18. ISSN 0216-6739

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Abstract

In line with the development of Synthetic Aperture Radar (SAR) technology, there is a serious problem when the SAR signal is acquired using high rate analog digital converter (ADC), that require large volumes data storage. The other problem on compressive sensing method, which frequently occurs, is a large measurement matrix that may cause intensive calculation. In this paper, a new approach was proposed, particularly on the partial acquisition technique of SAR system using compressive sampling method in both the azimuth and range direction. The main objectives of the study are to reduce the radar raw data by decreasing the sampling rate of ADC and to reduce the computational load by decreasing the dimension of the measurement matrix. The simulation results found that the reconstruction of SAR image using partial acquisition model has better resolution compared to the conventional method (Range Doppler Algorithm/RDA). On a target of a ship, that represents a low-level sparsity, a good reconstruction image could be achieved from a fewer number measurement. The study concludes that the method may speed up the computation time by a factor 4.49 times faster than with a full acquisition matrix

Item Type: Article
Uncontrolled Keywords: partial acquisition technique, synthetic aperture radar, compressive sampling
Subjects: Teknologi Penginderaan Jauh > Penelitian, Pengkajian, dan Pengembangan > Teknologi dan Data Penginderaan Jauh > Perolehan Data > Satelit
Divisions: Deputi Penginderaan Jauh > Pusat Teknologi dan Data Penginderaan Jauh
Depositing User: Dinar Indrasasi
Date Deposited: 24 Aug 2021 10:49
Last Modified: 24 Aug 2021 10:49
URI: http://repositori.lapan.go.id/id/eprint/1173

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