| 基于TMS320VC33的指向性扬声器的设计 |
| |
| 引用本文： | 赵洪亮,朱海生,孙西瑞.基于TMS320VC33的指向性扬声器的设计[J].山东科技大学学报(自然科学版),2008,27(6). |
| |
| 作者姓名： | 赵洪亮 朱海生 孙西瑞 |
| |
| 作者单位： | 1. 山东科技大学,信息与电气工程学院,山东,青岛,266510
2. 山东科技大学,机电工程系,山东,泰安,271000 |
| |
| 基金项目： | 泰安市科技发展计划项目:指向性扬声器的研制
|
| |
| 摘 要： | 以TMS320VC33数字信号处理器为核心设计了一种指向性扬声器.在对指向性扬声器工作原理进行简要介绍的基础上,给出了系统硬件设计方案,分析讨论了失真预补偿、载波信号产生、幅度调制等算法在DSP芯片上的实现方法.该设计能够将通常采用模拟电路实现的指向性扬声器中的主要信号处理模块集中在一片TMS320VC33芯片上实现,具有精度高、稳定性好、成本低等优点.
|
| 关 键 词： | 数字信号处理器 指向性扬声器 声波束 失真预补偿 幅度调制 |
Design of Directional Loudspeaker Based on TMS320VC33 |
| |
| ZHAO Hong-liang,ZHU Hai-sheng,SUN Xi-rui.Design of Directional Loudspeaker Based on TMS320VC33[J].Journal of Shandong Univ of Sci and Technol: Nat Sci,2008,27(6). |
| |
| Authors: | ZHAO Hong-liang ZHU Hai-sheng SUN Xi-rui |
| |
| Institution: | ZHAO Hong-liang1,ZHU Hai-sheng1,SUN Xi-rui2 (1.College of Info , Electrical Eng.,SUST,Qingdao,Sh,ong 266510,China,2.Dept.of Mechanical , Electronic Eng.,Taian,Sh,ong 271000,China) |
| |
| Abstract: | A directional loudspeaker based on the TMS320VC33 digital signal processor is presented in the paper.On the basis of introduction to the principle of the directional loudspeaker,the scheme of the system's hardware is described,and the algorithms of distortion pre-compensation,carrier generator and amplitude modulation applied to the TMS320VC33 are discussed.The key signal processing modules realized normally by the analogue electronic circuits are implemented on one TMS320VC33 chip.The system has some advan... |
| |
| Keywords: | digital signal processor directional loudspeaker audio beam distortion pre-compensation amplitude modulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
