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Research on a single-ring absolute coder disc encoding and decoding technology combined with Huffman coding

文献类型：会议论文

作者Ren, Xi1,2; Hu, Jie1,2; Guo, Hongyang1,2; Du, Shengping1,2
出版日期2019
会议日期July 7, 2019 - July 9, 2019
会议地点Beijing, China
关键词Huffman coding Single Ring Photoelectric shaft encoder Shift sequence code
卷号11334
DOI10.1117/12.2539307
页码1133404
英文摘要Photoelectric shaft encoder is a kind of high-precision angle measuring device,its core angle measuring component is encoder disc. In this paper, a single-ring absolute coding method combining Huffman coding is proposed. The Huffman coding algorithm commonly used for teletext compression transmission is applied to the single-ring photoelectric axis encoder to realize the new single-ring coding method of the coder disc. The method constructs a special Huffman binary tree and designs a special traversal sequence, which is traversed from top to bottom in this order. The code obtained at the leaf node is the shift sequence code required by the code disc, which can be used to engrave a single-circle absolute code disc. This method can improve the coding speed and reduce the complexity of the algorithm under the premise of high-order coding. It provides technical support for the research of small high-resolution photoelectric shaft encoder and accelerates its development speed. © 2019 SPIE.
会议录Proceedings of SPIE 11334 - AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications
会议录出版者SPIE
文献子类会议论文
语种英语
ISSN号0277-786X
WOS研究方向Optics
WOS记录号WOS:000525800700003
源URL[http://ir.ioe.ac.cn/handle/181551/9634]  
专题光电技术研究所_光电工程总体研究室（一室）
作者单位1.University of Chinese Academy of Sciences, Beijing; 100049, China
2.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu; 610209, China;
推荐引用方式
GB/T 7714		 Ren, Xi,Hu, Jie,Guo, Hongyang,et al. Research on a single-ring absolute coder disc encoding and decoding technology combined with Huffman coding[C]. 见:. Beijing, China. July 7, 2019 - July 9, 2019.

入库方式： OAI收割

来源：光电技术研究所

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