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2003 S&T e-Digest Contents


 

Vol. 43, Issue 5, May 2004, pp. 240-247

 

Bullet

 

Determination of Nitromethane in the Air with the use of a Piezoelectric

Sensors Set and Pattern Recognition Technique

 

 

Andrew KALACH and Nikolay KLOCHKOV

Physical department, Institute of Ministry of Internal Affairs, Voronezh, Russia

E-mail: andrey_kalach@mnogo.ru

 

Received: 10 May 2004   /Accepted: 17 May 2004   / Published: 21 May 2004

 

Abstract: To increase selectivity and sensitivity of determination of nitromethane in the air a set of piezoelectric gas sensors is proposed. In order to increase the differences between the signals sensor responses have been preliminary processed in accordance with the known algorithms. To determine nitrometane in the air an artificial neural network is applied and its parameters have been investigated.

 

Keywords: piezosensors, nitromethane, pattern recognition, artificial neural network

 

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