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Output details

13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Manchester : B - Electrical and Electronic Engineering

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Article title

Detection of magnetic fields highly attenuated by the skin effect through a ferrous steel boundary using a super narrow-band digital filter

Type

D - Journal article

DOI

10.1109/TIM.2007.915150

Title of journal

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

Article number

Volume number

Issue number

First page of article

1171

ISSN of journal

0018-9456

Year of publication

2008

URL

Number of additional authors

Additional information

A DSP system is described for detecting extremely weak high-frequency magnetic fields transmitted through 2-mm thick steel plate. A field strength of 0.03 mT at the transmitter yielded a flux density on the far side that was 10,000 times weaker than the Earth's magnetic field, but could be identified with the device. This system is now a commercial product (Signal Wizard 2.5, www.signalwizardsystems.com), and has sold widely in many different countries. A research partnership was formed with Pure Technologies Ltd, Canada (contact CEO, www.puretechltd.com), who have incorporated the system in their products as an embedded system.

Interdisciplinary

Cross-referral requested

Research group

6 - Sensing, Imaging and Signal Processing

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract