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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1579

Title: Time-delay estimation performance in a scattering medium
Authors: Prasad, S
Narayanan, M
Desai, S
Keywords: scattering medium
causing angular
signal coherence
range error
Issue Date: 1985
Citation: Acoustics, Speech, and Signal Processing IEEE Transactions on, 33(1), 50 - 60
Abstract: The effects of a scattering medium on the performance of time-delay estimation are considered. The medium is assumed to exhibit angular scattering, causing angular (as well as delay) dispersion and hence loss of signal coherence across the array aperture. Both the variance (via the Cramer-Rao bound) and the bias introduced in the time-delay estimates are studied. The results have been converted to bearing and range error standard deviation and bias. It is shown that there is an optimum range of values for the separation distance between the sensors in the design of an array for time-delay estimation, for range and bearing measurements.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1579
Appears in Collections:Electrical Engineering

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