• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>IFIP TC 5/SIG 5.1 conference on computer and computing technologies in agriculture;CCTA 2011 >An Audio Generator System for Experimental Studies on Acoustic Biology
【24h】

An Audio Generator System for Experimental Studies on Acoustic Biology

机译：用于声学生物学实验研究的音频发生器系统

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

There are studies indicate that audible sound wave could have effects on propagation growth through catalyzing hearing sense organs, which would bring a series of physiological and biological chemistry reaction. The sound-pressure level and frequency are important factors in propagation growth. In this study, an experimental system of audio generator was developed for investigating sound wave effect on propagation growth promotion, and an embedded development platform based on ARM+DSP+FPGA was built for the system. The DDFS (Direct Digital Frequency Synthesis) method was used to make various waveforms in the system. A feedback analysis networks was added in the system for reliable output of sound waves. Results show that the audio generator system can produce sound waves with frequency of 20 Hz~20,000Hz accurately and make octave analysis of the sound in experimental environments. The new-type audio generator system will facilitate scientific researches on the field of acoustic biology.
机译：有研究表明，声波可通过催化听觉器官来影响传播增长，从而引起一系列的生理生化反应。声压级和频率是传播增长的重要因素。本研究开发了一个音频发生器实验系统，以研究声波对传播增长的促进作用，并为该系统构建了一个基于ARM + DSP + FPGA的嵌入式开发平台。 DDFS（直接数字频率合成）方法用于制作系统中的各种波形。系统中添加了一个反馈分析网络，用于可靠地输出声波。结果表明，音频发生器系统能够准确产生频率为20 Hz〜20,000Hz的声波，并在实验环境中对声音进行倍频程分析。新型音频发生器系统将促进声学生物学领域的科学研究。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号