Search Results - "Naidu, Prabhakar S"

A study of Cramer-Rao bounds on object shape parameters from scattered field by Naidu, P.S., Buvaneswari, A.

“…We have studied the Cramer-Rao bounds (CRBs) on the size and orientation of a known object using the scattered (acoustic or electromagnetic) field. A circular…”
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Broadband source localization in shallow water by Naidu, Prabhakar S, Uday Shankar, H

“…The null spectrum defined in multi image subspace algorithm (MISA) for source localization in shallow water possesses an interesting property, that is, when it…”
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Digital analysis of aeromagnetic maps: Detection of a fault by Naidu, Prabhakar S, Mathew, M.P

“…A fault in rock strata would invariably disrupt the pattern of the magnetic field contours from which an experienced geophysicist is able to detect a fault,…”
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Analysis of geophysical potential fields: a digital signal processing approach / Prabhakar S. Naidu and M.P. Mathew by Naidu, Prabhakar S, Mathew, M. P

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Diffraction tomographic imaging with a circular array by Naidu, P.S., Vasuki, A., Satyamurthy, P., Anand, L.

“…A new approach of imaging an object profile from the scattered wavefield, which is measured using a large (far field approximation) circular array of sensors…”
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Digital analysis of aeromagnetic maps: Detection of a fault by Naidu, Prabhakar S., Mathew, M.P.

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Chemical constituents of Riccia plana [Bryophyta] by Rao, K. R., Naidu, C. S. Prabhakar, Kondaiah, N. Mala

“…Riccia plana, a liverwort collected from Chandragiri Hills (A.P) India, was selected for chemical analysis. The results indicate that this bryophyte is a rich…”
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Estimation of shape of binary polygonal object from scattered field by Buvaneswari, A., Naidu, P.S.

“…We present a method of estimating the shape of a weakly scattering binary convex polygonal object from the backscattered field. We use the concept scattering…”
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Source localization in a partially known shallow-water channel by Naidu, Prabhakar S., Ganesan, T.

“…The source localization in shallow water is beset with problems arising from the presence of a large number of correlated multipaths. Nevertheless, given a…”
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Direction of arrival estimation in the presence of distributed noise sources: Cumulant based approach by Naidu, Prabhakar S., Subramaniyan, Raghavan

“…In the past few years there have been attempts to develop subspace methods for DoA (direction of arrival) estimation using a fourth-order cumulant which is…”
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On subspace method for source localization by NAIDU, P. S

“…A method of source localization in shallow water, based on subspace concept, is described. It is shown that a vector representing the source in the image space…”
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Fast matched field processing by Aravindan, S., Ramachandran, N., Naidu, P.S.

“…It is shown how the computational burden of source localization by matched field processing (MFP) can be significantly reduced (20 to 30 times) by expressing…”
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An underwater target classification scheme based on the acoustic backscatter form function by Abeysekera, S.S., Naidu, P.S., Yee-Hong Leung, Lew, H.

“…By using the acoustic scattering form function, a method for classifying underwater spherical shell targets in an open ocean environment is proposed. The…”
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Fourier transform of large scale aeromagnetic field using a modified version of fast Fourier transform by Naidu, Prabhakar S.

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Analysis of Scatter in the Oceanic Heat Flow Data by Naidu, Prabhakar S.

“…Statistical analysis of the scatter (noise) in the oceanic heat flow data (about 800 measurements) has revealed the following statistical structure: the…”
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Heat flow in random medium: First order theory by Naidu, Prabhakar S.

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