| 基于NiosⅡ的ⅡR数字滤波器的设计 |
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| 引用本文： | 李惠琼,孟令军,王宏涛.基于NiosⅡ的ⅡR数字滤波器的设计[J].通信技术,2009,42(8):233-235. |
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| 作者姓名： | 李惠琼 孟令军 王宏涛 |
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| 作者单位： | 1. 电子测试技术国家重点实验室,太原,山西,030051
2. 中国科学院电子学研究所传感技术国家重点实验室,北京,100080 |
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| 摘 要： | NiosⅡ=Altera公司推出的第二代IP软核处理器，它与其他IP核构成了SOPC系统的主要部分。文中利用SOPC技术，配合NiosⅡ软核处理器，实现了一种高速的、软件灵活配置的片上ⅡR数字滤波算法，同时给出了硬件系统设计方法和软件系统的设计流程，实现了ⅡR数字滤波器的软硬件协同设计。在建立的SOPC系统上，软件可定制多种滤波算法，实现系统灵活的要求，实验结果表明，其计算速度有极大的提高。
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| 关 键 词： | SOPC Nios Ⅱ ⅡR滤波 |
Design of IIR Digital Filter based on Nios Ⅱ |
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| LI Hui-qiong,MENG Ling-jun,WANG Hong-tao.Design of IIR Digital Filter based on Nios Ⅱ[J].Communications Technology,2009,42(8):233-235. |
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| Authors: | LI Hui-qiong MENG Ling-jun WANG Hong-tao |
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| Affiliation: | LI Hui-qiong, MENG Ling-jun, WANG Hong-tao (①State Key Laboratory for Electronic Measurement Technology, Taiyuan Shanxi 030051, China ②State Key Lab of Transducer Technology, Institute of Electronics, China Academy of Sciences, Beijing 100080, China) |
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| Abstract: | Nios Ⅱ is the 2nd generation soft IP CPU provided by Altera Coporation. It with other IP cores, constitutes the main part of SOPC system. This paper presents a high-speed IIR digital filtering algorithm with flexible software configuration, which employs SOPC technology and Nios II soft-core processor. Simultaneously, it gives the design method of hardware and software system in achieving the co-design of hardware and software. In the system of SOPC, the software can be designed as a variety of filtering algorithms to achieve high-speed systems. The experiment results show that the computing speed is greatly improved. |
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| Keywords: | SOPC |
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