Mr. John D. McNamara Profile

John D. McNamara

PhD Grad. Student Researcher at Univ of California San Diego

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Publications (2)

Proceedings Article | 18 August 2003 Paper

Health monitoring of railroad tracks by wavelet analysis

John McNamara, Michael Palmer, Francesco Lanza di Scalea

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.482689

KEYWORDS: Wavelets, Inspection, Head, Continuous wavelet transforms, Time-frequency analysis, Ultrasonics, Signal to noise ratio, Fourier transforms, Defect detection, Signal attenuation

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Proceedings Article | 11 June 2002 Paper

Advances in health monitoring of railroad tracks

John McNamara, Francesco Lanza di Scalea

Proceedings Volume 4702, (2002) https://doi.org/10.1117/12.469884

KEYWORDS: Inspection, Head, Ultrasonics, Fourier transforms, Transducers, Defect detection, Signal detection, Amplifiers, Acoustics, Signal attenuation

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