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Design of a reconfigurable transcendental function generator

Design of a reconfigurable transcendental function generator
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摘要 以便考虑精明的先验的函数的计算效率和灵活性,这份报纸建议一个种可配置的先验的函数生成器。发电机具有由 30 组成的可配置的数组结构处理元素(足) 。并列旋转数字计算机(CORDIC ) 算法在这结构上被实现。不同功能例如正弦,余弦,反的正切,对数,等等,能被重新设置足的功能基于结构计算。功能的模拟和域建议方法获得的可编程的门数组(FPGA ) 确认表演有可接受的性能的大灵活性。 In order to take into account the computing efficiency and flexibility of calculating transcendental functions, this paper proposes one kind of reconfigurable transcendental function generator. The generator is of a reconfigurable array structure composed of 30 processing elements (PEs). The coordinate rotational digital computer (CORDIC) algorithm is implemented on this structure. Different functions, such as sine, cosine, inverse tangent, logarithmic, etc., can be calculated based on the structure by reconfiguring the functions of PEs. The functional simulation and field programmable gate array (FPGA) verification show that the proposed method obtains great flexibility with acceptable performance.
作者 Jiang Lin Lü Qing Xie Xiaoyan Shan Rui Deng Junyong Jiang Lin[a]; Lü Qing[a]; Xie Xiaoyan[b]; Shan Rui[a]; Deng Junyong[a]
出处 《中国邮电高校学报:英文版》 EI CSCD 2017年第1期96-102,共7页 The Journal of China Universities of Posts and Telecommunications
基金 supported by the National Natural Science Foundation of China(61272120,61602377,61634004) the Natural Science Foundation of Shaanxi Province of China(2015JM6326) Shaanxi Provincial Co-ordination Innovation Project of Science and Technology(2016KTZDGY02-04-02) the Project of Education Department of Shaanxi Provincial Government(15JK1683)
关键词 函数发生器 可重构 坐标旋转数字计算机 现场可编程门阵列 设计 计算效率 CORDIC 阵列结构 reconfigurable computing, reconfigurable transcendental function generator, CORDIC, array processor
作者简介 Corresponding author: Deng Junyong, E-mail: djy@xupt.edu.cn
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