Achieving high signal-to-noise ratio in chemical and biological sensors enables accurate
detection of target analytes. Unfortunately, below the limit of detection (LOD), it becomes …

Featured Application Indoor and outdoor air pollution has reached a hazardous level.
Therefore, there is an urgent necessity to monitor and control air quality to protect human …

Some predictions concerning the technological expansion for the multisensor systems are
made based on the analysis of the state-of-the-art Electronic Nose technology and …

Air quality monitoring and analysis have become a major issue in recent years. Metal oxide
(MOX) gas sensors are very sensitive, due to high variability of their resistivity in presence of …

Electronic nose is a system, which can determine the fingerprint of gas sample by a sensor
array coupled to pattern recognition system. In this paper, a sensor array based on WO 3 …

Noise spectroscopy might be highly useful for improving gas sensors selectivity if both
theoretical model and sensing devices can be adequately developed. In this paper, we …

In this paper, the relationship between typical circuit structures of gas sensor circuits and
their output noise is analyzed. By using averaged segmenting periodical graph and …

This study is carried out to investigate and demonstrate the possibility of practical
applications of commercial Taguchi gas sensors for fluctuation-enhanced chemical sensing …

Sensing techniques are often required to not only be versatile and portable, but also to be
able to enhance sensor information. This paper describes and demonstrates a new …

The stochastic component of a chemical sensor signal contains valuable information that
can be visualized not only by spectral analysis but also by methods of high-order statistics …