| 声表面波压力传感器信号采集与处理 |
| Data Acquisition and Signal Processing of SAW Pressure Sensor |
| 修订日期：2003-12-19 |
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| 中文摘要: |
| 声表面波 (SAW)传感器能将被测量转换成容易检测的频率信号 ,即一种准数字信号的输出。针对 SAW压力传感器 (以 CSF- 1 0型 SAW压力传感器为对象 )的输出特点 ,利用等精度频率测量法测量输出频率 ,并用 Dallas的单线数字温度传感器 DS1 8B2 0测出现场温度 ,采用 BP神经网络对所得数据进行温度补偿后得到精确的被测压力值 |
| 英文摘要: |
| The surface acoustic wave(SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output. Point to the characteristic of SAW pressure sensor, using the method of equally accurate frequency measurement outputs the frequency. The Back Propagation(BP)neural network is adopted to compensate the effect of field temperature, which is measured by DS18B20. The solution presented in this paper produces more accurate pressure measurement than the traditional method. |
| 许海岗 陈明 黄国刚 李锋垚 何鹏举 |
西北工业大学 陕西西安710072
(许海岗，陈明，黄国刚，李锋垚)
，西北工业大学 陕西西安710072(何鹏举)
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| 中文关键词: SAW压力传感器,单线数字温度传感器,等精度频率测量,BP神经网络 |
| 英文关键词:SAW pressure sensor,one line digital temperature sensor,equally accurate frequency measurement,BP neural network |
| 基金项目: |
| DOI： |
| 引用本文：许海岗,陈明,黄国刚,李锋垚,何鹏举.声表面波压力传感器信号采集与处理[J].计测技术,2004,(3):13~17. |
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