The research of the electret acoustic sensor signal acquisition system

CAO Yi-jiang~1; SUN Zhi-bin~1; LIU Xiao-wei~2; YIN Liang~2

doi:10.13873/j.1000-97872006.10.007

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The research of the electret acoustic sensor signal acquisition system

更新时间：2025-09-11

- The research of the electret acoustic sensor signal acquisition system
- Issue 10, Pages: 19-21(2006)
- 作者机构：
  
  1. 哈尔滨理工大学应用科学学院
  2. 哈尔滨工业大学MEMS中心
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872006.10.007
  CLC： TP274.2;TP212
- Published：2006
- 稿件说明：
移动端阅览
[1]曹一江,孙志斌,刘晓为,尹亮.驻极体声传感器信号采集系统研究[J].传感器与微系统,2006(10):19-21.

CAO Yi-jiang~1, SUN Zhi-bin~1, LIU Xiao-wei~2, et al. The research of the electret acoustic sensor signal acquisition system[J]. 2006, (10): 19-21.
[1]曹一江,孙志斌,刘晓为,尹亮.驻极体声传感器信号采集系统研究[J].传感器与微系统,2006(10):19-21. DOI： 10.13873/j.1000-97872006.10.007.

CAO Yi-jiang~1, SUN Zhi-bin~1, LIU Xiao-wei~2, et al. The research of the electret acoustic sensor signal acquisition system[J]. 2006, (10): 19-21. DOI： 10.13873/j.1000-97872006.10.007.

摘要

介绍了驻极体式声传感器的基本性质和工作原理

采用目前国际上流行的超低功耗MSP430F149单片机作为微控制器

设计了一种超低功耗、便携式的驻极体式声传感器信号采集电路系统

对采集的声音信号进行了声音复现

并应用通信数据显示软件对声音复现波形进行了分析

复现的声音具有很好的保真性。该声音采集系统具有很好的可扩展性

对于不同变量

传感器信号的采集与处理具有一定的互换性和通用性。实验结果表明:系统休眠时平均功耗约为3.73 mW;写FLASH操作时功耗为137.25mW

满足了系统的低功耗要求。

Abstract

The basic properties and principle of electret acoustic sensor are introduced.A super-low power consumed system MSP430F149 SCM which is popular in the world today is used as micro-controller

and a super-low power consumed and portable system of electret acoustic sensor signals collection is designed.The collected samples of acoustic signals can be returned to the fomer sound

and the wavefarm returned is analyzed by using the communication data displaying software.The sound collection system has good expansibility.For different variables

collecting and disposing of the sensor signals can be exchanged.The result of experiment indicates

the average power when the system is not operated is 3.73 mW;the power when FLASH is writed is 137.25 mW

meeting the need of the system’s low power.

关键词

Keywords

references

基于单片机的无磁传感水表的设计 [J]. 黎洪生,张英. 传感器与微系统 . 2006(03)

基于FLASH与串行口的程序更新设计 [J]. 熊剑. 中国科技信息 . 2006(03)

微机主从通讯系统多232口连接电路设计 [J]. 官晟,张杰,丁永耀. 微计算机信息 . 2005(04)

驻极体传声器测试方法及测试仪器 [J]. 张绍栋,钱利军,熊文波,施时亮. 电声技术 . 1999(12)

驻极体传声器稳定性分析 [J]. 张鸿升. 电声技术 . 1999(08)

MSP430系列FLASH型超低功耗16位单片机[M]. 北京航空航天大学出版社 , 胡大可编著, 2002

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