Title :
Optimal burst frequency derivation for head positioning
Author :
Patapoutian, Ara
Author_Institution :
Quantum Corp., Shrewsbury, MA, USA
fDate :
9/1/1996 12:00:00 AM
Abstract :
For a Lorentzian channel with a given fifty percent amplitude pulse width, we find closed form representation of the servo burst signal. We then derive the frequency of the servo burst signal that maximizes performance or signal to noise ratio. This optimal frequency depends on the estimation scheme used; that is, whether we estimate the amount of signal from peak, rectified area or matched filter estimator
Keywords :
burst noise; frequency estimation; magnetic heads; magnetic recording noise; position control; servomechanisms; Lorentzian channel; head positioning; magnetic recording; matched filter estimator; optimal burst frequency; peak estimator; pulse width; rectified area estimator; servo burst signal; signal to noise ratio; Amplitude estimation; Frequency estimation; Matched filters; Noise measurement; Position measurement; Power harmonic filters; Servomechanisms; Signal analysis; Signal to noise ratio; Space vector pulse width modulation;
Journal_Title :
Magnetics, IEEE Transactions on
