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Content Provider | IET Digital Library |
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Author | Hu, Shankang Liu, Xiaoning Xie, Yizhuang Hu, Shanqing Li, Bingyi |
Abstract | For the chirp scaling algorithm of synthetic aperture radar imaging, an efficient transmission of a large volume of data is indispensable. Prior to imaging, there is a requirement for appropriate pre-processing of the echo signal by digital down conversion (DDC). The DDC module has to remove the carrier, having an appropriate filtering processing and down-sampling processing. No matter what imaging mode is chosen, such as the stripmap mode, spotlight mode, and sliding spotlight, the needs of the whole imaging system are matched by setting a series of configurations about this pre-processing module and this transmission module. The system-on-a-programmable-chip constituted by the Advanced RISC Machine and field programmable gate array (FPGA) is the perfect experimental platform to test the performance of this system. Some of the algorithms, which are more feasible for this specific project for pre-processing in Maltab, were transplanted to FPGA using the VHSIC Hardware Description Language for functional verification. Finally, the processing results in Matlab were compared with this system to find the difference. At the same time, the time that elapsed from the 2 GB original data entering the system to the time the processed results were completely returned to the PC was also counted. |
Starting Page | 6537 |
Ending Page | 6540 |
Page Count | 4 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 20, Oct (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/20 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.0168 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2019-07-10 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Chirp Scaling Algorithm Data Pre-processing DDC Module Down-sampling Processing Field Programmable Gate Array High-speed Data Transmission Imaging System Optical, Image And Video Signal Processing Pre-processing Module Radar Equipment Radar Imaging Spotlight Mode Stripmap Mode Synthetic Aperture Radar Synthetic Aperture Radar Image System And Application System-on-a-programmable-chip System-on-chip Transmission Module |
Content Type | Text |
Resource Type | Article |
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