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• Published Subscription 19 Jan 2021

  Empirical Mode Decomposition versus Wavelet filtering for Time Domain Electromagnetic Signals

  By Rajesh T. Keshwani, Sanjay Malhotra, Yatindra Kumar Taly

  Abstract: Time Domain Electromagnetic (TDEM) methods are used for exploration of deep seated mineral deposits by measuring sub-surface conductivity of the earth. The response of earth is measured by an induction coil. The signals acquired are contaminated by variety of noises. Signal filtering plays a major role in order to obtain deeper information regarding subsurface conductivities. Various methods based on conventional DSP filters, wavelets, etc. have been attempted. This paper explains …

  Published in Current Trends in Signal Processing · Vol. 3, Issue 1, 2013 · pp. 8–14 Read article →