[1]刘清,孙颖.用实时小波分析消除噪声的动态测量误差补偿[J].南京师范大学学报(工程技术版),2006,06(03):001-4.
 LIU Qing,SUN Ying.Dynamic Measurement Error Compensating of Real-time Wavelet De-noising Algorithm[J].Journal of Nanjing Normal University(Engineering and Technology),2006,06(03):001-4.
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用实时小波分析消除噪声的动态测量误差补偿
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南京师范大学学报(工程技术版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
06卷
期数:
2006年03期
页码:
001-4
栏目:
出版日期:
2006-09-30

文章信息/Info

Title:
Dynamic Measurement Error Compensating of Real-time Wavelet De-noising Algorithm
作者:
刘清;孙颖;
南京师范大学数学与计算机科学学院, 江苏南京210097
Author(s):
LIU QingSUN Ying
School of Mathematics and Computer Science,Nanjing Normal University,Nanjing 210097,China
关键词:
实时小波 动态误差 补偿 消除噪声
Keywords:
rea-l tim e wave le t dynam ic erro r com pensation de-no ising
分类号:
TP212
摘要:
在传感器的输出端串接一个动态补偿环节来改善传感器性能,消除动态测量误差.补偿环节本质上是一个带通或高通滤波器,在补偿动态测量误差的同时,会引入严重的高频噪声干扰,影响测量系统的精度.为了解决该问题,研究了一个采用实时小波滤波算法,消除动态测量误差补偿中噪声干扰的方法.该方法采用实验数据,通过系统辨识的方法得到补偿环节系数,消除动态测量误差.同时,用正交紧支撑小波和滑动数据窗口,构造一种保留离线小波降噪优点的实时小波降噪算法,消除噪声干扰.最后,通过对薄膜热电偶动态测量误差补偿的仿真实验,验证了该方法的有效性.
Abstract:
A dynam ic com pensation unit is connec ted w ith output port o f senso r in se ries to improve the sensor. s character istics and com pensating dynam icm easurem en t error of sensor. The un it is a band- pass filter or a h igh-pass filte rs, it can e lim inate dynam icm easurem ent errors, but cause seve re no ise amp lification. In order to so lve this problem, a rea-l tim e w ave let de-no ising a lgo rithm is researched in com pensa ting for dynam icm easurem en t erro r. The coeffic iency o f the unit is obta ined v ia experim enta l data, at the sam e tim e, the rea-l tim e w avelet de-no ising a lgo rithm that has the advantages of o ff- line w av elet de-no ising a lgo rithm is form ed through the orthogona l w ave let w ith compact support and m ov ing w indow. The m ethod is proved effective by the s imu la tion exper imenta l results o f th in- film thermo coup le dynam ic erro r compensation.

参考文献/References:

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LIU Q ing. A a lgo rithm of th in- film therm ocouple dynam ic e rror compensation based on mode l reference[ J]. Jou rnal o fN an jing No rm alUn iv ers ity: Eng inee ring and Techno logy, 2006, 6( 1): 5-8. ( in Ch inese)

相似文献/References:

[1]刘清.基于模型参考的薄膜热电偶传感器动态误差补偿算法[J].南京师范大学学报(工程技术版),2006,06(01):005.
 LIU Qing.A Algorithm of the Thin-film Thermocouple Dynamic Error Compensation Based on Model Reference[J].Journal of Nanjing Normal University(Engineering and Technology),2006,06(03):005.

备注/Memo

备注/Memo:
基金项目: 国家“十五” 2110一期学科建设项目基金资助.
作者简介: 刘 清( 1962-) , 博士, 副教授, 主要从事智能控制与现场总线测控系统的研究与开发. E-m ail:n jnu lq@ 163. com
更新日期/Last Update: 2013-04-29