00000nam 2200000zi 4500 9.926340 CaOODSP 20230922171245 m o d f cr |n||||||||| 230818s1981 abcad ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-ab DR52-5/2-1981E-PDF Das, Yogadhish, author. Detection and identification of buried ordnance by magnetic and electromagnetic means (u) / by Y. Das, J.E. McFee and M. Bell. Ralston, Alberta : Defence Research Establishment Suffield, [1981] 1 online resource (ii, 36, 3, 2, [61] pages) : illustrations, charts text txt rdacontent computer c rdamedia online resource cr rdacarrier Suffield report ; no. 283 "Project no. 27B10". Digitized edition from print [produced by Defence Research and Development Canada]. Includes bibliographical references (pages 35-36). There is presently a need for clearing old army ranges of buried unexploded munitions (UXM). The present operation which relies on conventional metal detectors is very slow and expensive - mainly due to the inability of these detectors to provide any information as to the depth, size or nature (shrapnel or UXM) of detected objects. The paper discusses the research effort of the Mines and Range Clearance Group at DRES, towards conceiving and implementing intelligent detectors, which could provide ordnance depth, size and possibly identity. In particular, the analysis of magnetic anomaly and pulse eddy current signatures of typical ordnance are discussed. Signal processing problems specific to these applications are indicated and the viability of various feature selection, extraction and recognition schemes are discussed. Unexploded ordnance Canada. Remote sensing Equipment and supplies Evaluation. Magnetometers. Magnetic anomalies Canada. Eddy current testing. Munitions non explosées Canada. Télédétection Appareils et matériel Évaluation. Magnétomètres. Anomalies magnétiques Canada. Essais par courants de Foucault. Defence Research Establishment Suffield, issuing body. Suffield report ; no. 283. (CaOODSP)9.926310 PDF 2.64 MB https://publications.gc.ca/collections/collection_2023/rddc-drdc/DR52-5-2-1981-eng.pdf SR 283