Title :
Estimation of magnetization transition shape using Wiener deconvolution
Author :
Chooruang, Komkrit ; Aziz, Mustafa M.
Author_Institution :
Fac. of Ind. Technol., Nakhon Phanom Univ., Nakhon Phanom, Thailand
Abstract :
In this paper, magnetization transition width and shape were calculated by Wiener deconvolution on the measured replay waveform. It was found that the signal-to-noise ratio of replay waveform above 40dB, the error of computed magnetization transition was less than 1%. It can be observed that the magnetization transition from the experimental measurement is close to the tanh function and the transition width parameter was found to be as same as the result from using the replay signal fitted with magnetization function.
Keywords :
deconvolution; magnetisation; perpendicular magnetic recording; stochastic processes; Wiener deconvolution; magnetization function; magnetization transition shape; magnetization transition width; replay signal; replay waveform; signal-to-noise ratio; tanh function; transition width parameter; Deconvolution; Magnetic heads; Magnetization; Noise measurement; Signal to noise ratio; Wiener filters; Wiener filter; reciprocity theorem; transition width;
Conference_Titel :
TENCON 2014 - 2014 IEEE Region 10 Conference
Conference_Location :
Bangkok
Print_ISBN :
978-1-4799-4076-9
DOI :
10.1109/TENCON.2014.7021868
