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Title: Effect of anisotropy field magnitude distribution on signal-to-noise ratio
Authors: Wei, D.
Liu, B. 
Keywords: Anisotropic magnitude distribution
Signal-to-noise ratio
Issue Date: 1997
Citation: Wei, D.,Liu, B. (1997). Effect of anisotropy field magnitude distribution on signal-to-noise ratio. IEEE Transactions on Magnetics 33 (5 PART 3) : 4381-4384. ScholarBank@NUS Repository.
Abstract: Recording performance is analyzed by a micromagnetic model in two thin film media with different distribution width of the anisotropy field magnitude. With the same Mrδ, the magnetic properties of the two media are almost the same except that the switching slope S* is larger for the medium with narrower distribution. The signal-to-noise ratio (SNR) is calculated for both media versus recording densities. The SNR at recording densities 4800-9000 flux reversals per millimeter is 5-8 dB smaller in the medium with a broad anisotropy magnitude distribution than the SNR in the medium with a sharp distribution. © 1997 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/20.620450
Appears in Collections:Staff Publications

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