Spinning neutron stars like pulsars are one of the primary candidate sources of gravitational waves for currently operating ground based detectors like LIGO and Virgo. The amplitude of these signals is expected to be several orders of magnitude smaller than the amplitude of signals from compact binary systems already detected by LIGO and Virgo interferometers. Thus detection of gravitational waves from pulsars poses an enormous computational challenge. Search for these signals requires optimized data
analysis methods, efficient algorithms and very large computing resources. I shall review how these challenges are met in the analysis of data collected from presently operating gravitational wave detectors.
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