| 多核DSP高速实时信号处理系统设计 |
| |
| 引用本文： | 李鑫,姜明.多核DSP高速实时信号处理系统设计[J].光学技术,2012,38(1):116-120. |
| |
| 作者姓名： | 李鑫 姜明 |
| |
| 作者单位： | 北京深迈瑞医疗电子技术研究院有限公司;北京理工大学信息科学技术学院 |
| |
| 摘 要： | 介绍了基于TI公司多核定点DSP(TMS320C6474)的高速实时数字信号处理系统。系统利用FPGA作为控制单元和转接芯片,通过SRIO接口作为DSP芯片的数据输入输出接口,具有信号处理能力超高、输入输出接口简洁、以及存储能力较大的优点。在软件实现中,利用了乒乓数据吞吐,静态内存分配技术和三核软件同步机制,通过优化算法,高效地实现了三核DSP实时信号处理,计算效率达到了设计要求。在项目图像信号实时处理中得到了成功应用,取得了良好的效果。
|
| 关 键 词： | 数字信号处理 TMS320C6474 DSP |
| 收稿时间： | 2011/7/1 |
Realization of a real time signal processing system based on multi-core DSP |
| |
| LI Xin,JIANG Ming.Realization of a real time signal processing system based on multi-core DSP[J].Optical Technique,2012,38(1):116-120. |
| |
| Authors: | LI Xin JIANG Ming |
| |
| Institution: | 1.Beijing Shen Mindray Medical Electronics Technology Academy Co.LTD,Beijing 100085,China)(2.School of Information Technology,Beijing Institute of Technology,Beijing 100081,China) |
| |
| Abstract: | A high-speed real-time digital signal processing system based on TI’s multi-point DSP(TMS320C6474) is described.By using FPGA devices as control unit and switching chip and SRIO interface as the data input and output interfaces for DSP chip,the system has a lot of characters,including high signal processing power,simple input and output interface and huge memory capability.In the software implementation,through using optimization algorithm,including ping-pong data throughput,static memory allocation techniques and three core software synchronization mechanism,the system realize three-core DSP real time signal processing and calculating efficiency meet the design requirements.The successful application of the image signal process in a scientific research project show that it has good ability to fill the high speed digital signal process. |
| |
| Keywords: | digital signal process TMS320C6474 DSP |
| 本文献已被 CNKI 等数据库收录！ |
|
