Implementation of 1-bit Image Correlator on the Space Solar Telescope

Details Implementation of 1-bit Image Correlator on the Space Solar Telescope Implementation of 1-bit Image Correlator on the Space Solar Telescope

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007pnaoc...4..170j&link_type=abstract

Astronomical Research and Technology. Publications of National Astronomical Observatories of China (ISSN 1672-7673), Vol. 4, No.

Astronomy and Astrophysics

Astronomy

Space Solar Telescope, Image Correlation

Scientific paper

2-D image correlation tracking is a key factor for the Main Optical Telescope on the Space Solar Telescope to reach its 0.1" spatial resolution. In order to realize fast image correlation, 1-bit correlation arithmetic is proposed, and the hardware design of 1-bit correlator based on DSP and FPGA is given. Only 0.33 ms is needed to realize a 32 × 32 image correlation algorithm on XCV800 FPGA chip with 20 MHz clock. The FPGA resource consumption is only 1/9 that of FFT - based (12-bit data) correlator.

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