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Correlative comparison of two optoelectronic carbon monoxide measuring instruments

I. IONEL1,* , S. IONEL2, D. NICOLAE3

Affiliation

  1. Faculty of Mechanics, Department of Thermal Machines and Transport, University “POLITEHNICA” Timişoara, Romania
  2. Faculty of Electronics and Telecomunications, Bv. M. Viteazu 1, 300223, University “POLITEHNICA” Timişoara, Timişoara, Romania
  3. National Institute of R&D for Optoelectronics, Laser Remote Sensing Department, Bucharest, Romania

Abstract

In this paper, a correlative comparison of two carbon monoxide (CO) measuring instruments is presented. Implementing different principles, the point source device and the open path optical remote sensing instrument do actually not measure the same quantity. Taking the random character of the CO-concentration signals into account, a statistical comparison of the two instruments is still possible. After low-pass and high-pass filtering of the CO-concentration signals there correlation coefficients to some meteorological parameters are calculated. The correlative analysis leads to the expected conclusion that the open path instrument is more suitable for monitoring the pollution level in a large area than the classical point source device..

Keywords

Optoelectronic instruments, CO concentration, Meteorological parameters, Ideal filtering, Correlation coefficient, Confidence interval.

Submitted at: Aug. 1, 2007
Accepted at: Nov. 16, 2007

Citation

I. IONEL, S. IONEL, D. NICOLAE, Correlative comparison of two optoelectronic carbon monoxide measuring instruments, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 11, pp. 3541-3545 (2007)