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

JIANG Zhao; JIN Sheng-zhen; JIANG Ai-min

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Astronomical Research and Technology > 2007 > 4(2): 170-175.

JIANG Zhao, JIN Sheng-zhen, JIANG Ai-min. Implementation of 1-bit Image Correlator on the Space Solar Telescope[J]. Astronomical Research and Technology, 2007, 4(2): 170-175.

Citation:

JIANG Zhao, JIN Sheng-zhen, JIANG Ai-min. Implementation of 1-bit Image Correlator on the Space Solar Telescope[J]. Astronomical Research and Technology, 2007, 4(2): 170-175.

Citation:

JIANG Zhao, JIN Sheng-zhen, JIANG Ai-min. Implementation of 1-bit Image Correlator on the Space Solar Telescope[J]. Astronomical Research and Technology, 2007, 4(2): 170-175.

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

1.
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
2.
Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

More Information

Received Date: August 28, 2006
Revised Date: September 14, 2006
Published Date: April 14, 2007

Graphical Abstract

Abstract

Abstract

2-D image correlation tracking is a key factor for the Main Optical Telescope (MOT)on the Space Solar Telescope (SST) 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 0.33ms is needed to realize a 32×32 image correlation algorithm on XCV800 FPGA chip with 20M_Hz clock. The FPGA resource consumption is only 1/9 that of FFT-based (12-bit data)correlator.
- SST,
- image correlation,
- 1-bit correlation,
- DSP+FPGA