全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

低温目标光谱发射率建模及弱信号检测技术的研究

Keywords: 发射率小波变换技术真温目标光谱小波滤波器神经网络多光谱

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用小波变换技术对辐射信号进行预处理和去噪,实现了辐射信号的高精度检测;进而,设计了一种组合神经网络发射率模型,依据测温仪测得的亮温可以高精度地辨识出被测目标的发射率模型,这种建模方法不需给定发射率固定的样本数据,给出具体理论推导过程。仿真结果表明,此方法是获知连续光谱发射率及真温的一种有效的方法。

References

[1]  Adam M, Ryszard H, Malgorzata J. Modeling of non-contact temperature measurement system using multiwavelength pyrometry. SPIE, 2001, 4516: 120-124
[2]  CONG Da-Cheng, DAI Jing-Min, SUN Xiao-Gang, et al. Study of the application of RBF network to multi-spectral thermometry. Journal of Infrared and Millimeter Waves(丛大成,戴景民,孙晓刚,等.RBF网络在多光谱测温中的应用研究. 红外与毫米波学报), 2001, 20(2): 97-101
[3]  SUN Xiao-Gang, DAI Jing-Min, CONG Da-Cheng, et al. Temperature measurement by radiatioin method based on neural network model. Journal of Infrared and Millimeter Waves(孙晓刚,戴景民,丛大成,等.基于神经网络模型的辐射真温测量方法研究. 红外与毫米波学报), 2001, 20(2): 151-153
[4]  YANG Chun-Ling. Comparative research of methods for restraining interfering signals using wavelet transform. Journal of Hunan University(杨春玲.小波变换用于抑制干扰信号几种方法的比较研究. 湖南大学学报), 2002, 29(6): 76-81
[5]  Carroll S M, Dicknson W. Construction of neuralnets using radom transform. IJCNN., 1989, 1: 607-611
[6]  Hornik K. Approximation capabilities of mutilayer feedback network. Neural networks, 1991, 4(2): 251-257
[7]  JIANG Guo-Zhou, JIANG Chao. Study on the principle and way of detection. Journal of Hubei Normal University(江国舟,江超.微弱信号检测的基本原理与方法研究.湖北师范学院学报), 2001, 21(4): 45-48
[8]  WANG Yan-Yun, LUO Cheng-Mu, DUAN Lian, et al. Wavelet signal processing system in fiber-optic current sensors. Journal of Tsinghua University(王廷云,罗成沐,段联,等.光纤电流传感器小波信号处理系统.清华大学学报(自然科学版)), 1999, 39(9): 51-53
[9]  Gardner J L. Computer modelling of a multiwavelength pyrometer for measuring true surface temperature. High Temp High Press, 1980, 12: 669-705
[10]  Hiernaut J P, Submillisecond R B. Six-wavelength Pyrometer for High Temperature Measurements in the Range 2000 to 5000K. London: High Temp-High Press, 1986, 18: 617-625
[11]  Khan M A. Noncontact temperature meausrement.Ⅰ. interpolation based techniques. Rev. Sci. Instrum., 1991, 62(2): 392-402
[12]  Khan M A. Noncontact temperature measurement. Ⅱ. least squares based techniques. Rev. Sci. Instrum., 1991, 62(2): 403-409

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133