Realization of High Precision Angle Positioning Based on Endat Interface Encoder

Journal of Atmospheric and Environmental Optics ›› 2012, Vol. ›› Issue (4): 297-.

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Realization of High Precision Angle Positioning Based on Endat Interface Encoder

WU Yang，HONG Jin，SUN Xiao-bing，ZHANG Yun-jie

(Key Laboratory of Optical Calibration and Characterization，Anhui Institute of Optics and Fine Mechanics，Chinese Academy of Sciences， Hefei 230031，China)

Received:2012-03-29 Revised:2012-04-18 Online:2012-07-28 Published:2012-07-19

Abstract

Abstract:

The communication was implemented with the absolute encoder ECN1313 by Endat interface, which was designed by FPGA of Actel Company. This project was described with Verilog language and simulated in ModelSim6.0, and A3P060 of Actel Company was used as a hardware platform in the LiberoIDE v9.0 development environment. The result indicated that it achieved the high precision requirement of sampling angle positioning for multi-angle polarized radiometer by using the value of the receiving position data and provided a guarantee for the instrument to measure atmospheric polarization spectral information.

Key words: Endat, FPGA, encoder, high precision

CLC Number:

TP302

WU Yang, HONG Jin, SUN Xiao-Bing, ZHANG Yun-Jie. Realization of High Precision Angle Positioning Based on Endat Interface Encoder[J]. Journal of Atmospheric and Environmental Optics, 2012, (4): 297-.

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Realization of High Precision Angle Positioning Based on Endat Interface Encoder

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