Integrated Design of Software for CCD Imaging Circuit Based on FPGA
2018 IEEE 3RD INTERNATIONAL CONFERENCE ON IMAGE, VISION AND COMPUTING (ICIVC)(2018)
Abstract
In order to meet the needs for the integration and miniaturization of CCD imaging circuit, a software integrated design method is provided in this paper. Using FPGA as the core of the imaging circuit, the three parts of the traditional CCD imaging circuit, which is focal plane software, signal processing software and integration timing software, are integrated into a piece of FPGA, mainly generating the timing drive signal needed for CCD imaging, configuring the A/D converter to realize analog to digital conversion, coding and synthesizing the converted image data and arranging the data transmission format, realizing the communication between the imaging circuit and the outside by the telemetry and telecontrol three wire interface, so as to receive the auxiliary data on the satellite and the adjustment instructions of the imaging parameters. The experimental results show that the integrated software design of this paper can realize all functions of focal plane software, signal processing software and integration timing software. The imaging effect is clear, the hardware circuit is simplified and the software integration is improved, and it has high engineering application value.
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Key words
CCD,software integration,imaging circuit,FPGA
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