Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Jean-Marc Thériault"'
Autor:
Jean-marc Theriault, James O Jensen
This book provides unique perspectives on the state of the art in multispectral/hyperspectral techniques for early-warning monitoring against chemical, biological and radiological (CB&R) contamination of both surface (e.g. land) and air (e.g. atmosph
Autor:
Jean Albert, Eldon Puckrin, Jean-Marc Thériault, Hugo Lavoie, Alexandre Thibeault, Yotam Ariel, Richard L. Lachance
Publikováno v:
Portable Spectroscopy and Spectrometry
Publikováno v:
OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES).
First responders and military personnel are often faced with safety situations involving the task of detectiing and identifying chemical threats. These threats have become increasingly more prevalent over the last decade. The presentation will cover
Autor:
Emmanuela Diaz, Jean-Marc Thériault
Publikováno v:
Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV.
In the field of Defence and Public Security, standoff detection is a useful tool to identify many threats, such as chemical warfare agents, toxic industrial compounds and other chemical substances under various physical states (gas, liquid and solid)
Publikováno v:
Imaging and Applied Optics 2016.
Defence Research and Development Canada (DRDC) - Valcartier Research Centre has been developing a ground-based and airborne thermal hyperspectral imaging capability for several years. A summary of recent initiatives focusing on the detection of chemi
Autor:
François Bouffard, Jean-Marc Thériault
Publikováno v:
International Journal of High Speed Electronics and Systems. 18:263-275
In order to assess the differences between background clutter using the CATSI instrument in direct (single-beam) and differential (double-beam) mode, a survey of background measurements was undertaken. Measurements include samples of sky, mountains,
Publikováno v:
International Journal of High Speed Electronics and Systems. 18:457-468
In this paper, the passive standoff long wave infrared technology developed for atmospheric remote sensing was used to detect and identify chemical pollutants in the atmosphere. The measurement approach is based on the differential passive standoff d
Publikováno v:
International Journal of High Speed Electronics and Systems. 18:251-262
An approach for the passive standoff detection of surface contaminants by differential polarization FTIR spectrometry is proposed. The surface radiance modeling associated with the method is given. Unpolarized and polarized sensing measurements obtai
Publikováno v:
International Journal of High Speed Electronics and Systems. 18:307-318
The objective of this paper is to show that explosives may potentially be detected by passive standoff FTIR radiometry. It is demonstrated that many explosives exhibit a signature (fingerprint) in the longwave infrared (LWIR) region (i.e., 8 – 14
Publikováno v:
SPIE Proceedings.
MoDDIFS (Multi-option Differential Detection and Imaging Fourier Spectrometer) is a DRDC Valcartier technology built around a differential Fourier Transform Infrared (FTIR) spectrometer optimized for optical subtraction in the long wave infrared (LWI