A simulation study of high density magnetic recording scheme

A simulation study of high density magnetic recording scheme with micromagnetic modeling

... phenomenon of superparamagnetism whereby magnetic grains behave like paramagnetic atoms at high temperature due to thermal agitation [4] The changes of magnetization configuration in magnetic grains ... information We can change the information stored within magnetic grains by applying a magnetic field to change the state of M A strong uniaxial magnetic field can align M o...

Ngày tải lên : 26/09/2015, 09:56

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Dynamics and reliability of access system of high density magnetic recording

... voltage and temperature effects Keywords: magnetic recording, dynamics, access system, piezoelectric actuators, probability, reliability DYNAMICS AND RELIABILITY OF ACCESS SYSTEM OF HIGH DENSITY MAGNETIC ... He Zhimin Doctor of Philosophy Mechanical Engineering Dynamics and Reliability of Access System of High Density Magnetic Recording A...

Ngày tải lên : 15/09/2015, 17:10

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Study of bit patterned fept media for high density magnetic recording

... STUDY OF BIT- PATTERNED FePt MEDIA FOR HIGH DENSITY MAGNETIC RECORDING SHREYA KUNDU B.Sc Electronics (Hons), University of Delhi, India A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... phase diagram of FePt 32 Figure 2.10 (a) Conventional media and (b) bit patterned media 33 Figure 2.11 Two different approaches of creating patterned m...

Ngày tải lên : 09/09/2015, 11:29

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Báo cáo sinh học: " A simulation study of the effect of connectedness on genetic trend" potx

... is the vector of breeding values of the males at generationt - and the vector of numbers of daughters of each male of generation t in - subpopulation i Because of the random variation was large ... increase in the accuracy of the evaluation, particularly among subpopulations Moreover, it is the most direct method of appreciating the efficiency of the desi...

Ngày tải lên : 09/08/2014, 18:22

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Optimal precompensation in high density magnetic recording

... Contents Introduction 1.1 Background on Magnetic Recording 1.2 The Magnetic Recording Channel 1.3 Signal Processing in Magnetic Recording 1.4 Nonlinearities ... counterparts This thesis focuses mainly on nonlinearities found in longitudinal recording A dominant and well known nonlinearity found in magnetic recording is termed nonlinear transition shift (NLTS) ... Per...

Ngày tải lên : 27/11/2015, 12:23

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Báo cáo y học: "A comparative study of anxiety and depression in patients with bronchial asthma, chronic obstructive pulmonary disease and tuberculosis in a general hospital of chest diseases" ppsx

... hospital dependency and dependency on oxygen This metaphorically and literally suffocating disease status may explain the high percentage of depression in patients with COPD and BA in the study, ... disease [19] Patients with COPD cannot cope adequately with everyday needs This inadequacy may lead to heightened anxiety and depression, which in turn may wo...

Ngày tải lên : 08/08/2014, 23:20

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A numerical study of porous fluid coupled flow systems with mass transfer

... investigate mass transfer in a reactor partially filled with porous media There is also no systematic or parametrical study on a microchannel reactor with a porous wall that examines the influence of ... interface conditions, usually continuities of temperature and heat flux are required (Neale and Nader, 1974; Vafai and Thiyagaraja, 1987; OchoaTapia and Whitaker, 1997...

Ngày tải lên : 10/09/2015, 15:53

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Báo cáo khoa học: The study of G-protein coupled receptor oligomerization with computational modeling and bioinformatics doc

... and the selection of the sequences in the alignment determine the nature of the answers returned by the application of the computational tools The statistical nature of these tools makes their ... comparing the results of all these methods is beyond the scope of this review The main features of the approach are illustrated here for the combination...

Ngày tải lên : 16/03/2014, 22:20

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báo cáo khoa học: "Predictive genetic testing for the identification of high-risk groups: a simulation study on the impact of predictive ability" pot

... for age-related macular degeneration simulation Predicted risks of age-related macular degeneration are obtained using logistic regression analysis based on six genetic variants entered as categorical ... characteristic curve (AUC) To address these objectives we used simulated data across a wide variety of ORs and frequencies for genetic variants We also carried out an addit...

Ngày tải lên : 11/08/2014, 12:21

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Computer modeling and simulation of ultra high density perpendicular recording processes

... the performance of a recording system and study the optimal write head and media designs for ultra high density and ultra high data rate magnetic recording using micromagnetic simulation National ... and grain boundary when conducting computer modeling and simulation for ultra- high density perpendicular recording processes It is expected that micr...

Ngày tải lên : 15/09/2015, 17:10

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Báo cáo y học: "A Comparative Effectiveness Study of Bone Density Changes in Women Over 40 Following Three Bone Health Plans Containing Variations of the Same Novel Plant-sourced Calcium"

... compare the safety and efficacy of three bone health Plans using three independent sequentially enrolled groups of healthy women 40 years of age and older The primary outcome measure was changes in ... reviewed in the meta-analysis cited above As for the unusual finding of the increased BMD levels found in the three study groups, the superiority...

Ngày tải lên : 25/10/2012, 11:10

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Energy and Environmental Problems behind China’s High Economic Growth – A Comprehensive Study of Medium- and Long-term Problems, Measures and International Cooperation pptx

... China’s total land area, have already turned into deserts, and the areas of desertification are still expanding at the fast rate of 3,436 km2 a year In addition, arable lands are decreasing by ... to 600 thousand hectares yearly and deterioration of soils is advancing Natural grasslands are also disappearing by 650 to 700 thousand hectares a year, with 90% deteriorating in qua...

Ngày tải lên : 31/03/2014, 05:21

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báo cáo hóa học:" Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion" doc

... wall on the reformatted axial image (a) Upper level at the carina (C), maximal inspiratory image (b) Lower level at the apical vertebra (A) , maximal inspiratory image Tangential lines are drawn ... diaphragmatic and chest wall motion in AIS patients In this study, dynamic BH-MR imaging has been used to compare the pre and post operative lung function changes in AIS patient...

Ngày tải lên : 20/06/2014, 01:20

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Báo cáo hóa học: " Research Article A Simulation Study: The Impact of Random and Realistic Mobility Models on the Performance of Bypass-AODV in Ad Hoc Wireless Networks" pdf

... Impact of Vehicular Mobility Models on Bypass-AODV Vehicular mobility models, FRW and MAN, are adopted to evaluate the performance of Bypass-AODV and then to compare it with AODV Initially, the ... the impact of each mobility model on the performance of the Bypass-AODV as well as the original AODV (1) The routing overhead ratio is the rat...

Ngày tải lên : 21/06/2014, 11:20

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Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx

... DBA REMF PA Figure 10: Noise density versus IEF for cameraman image A new switching-based median ﬁltering scheme and an algorithm for removal of high-density salt and pepper noise in images is ... autocorrelation for lags and Sort the 1-D array Z and calculate the median value Assuming stochastic approximation for maintaining simplest computationa...

Ngày tải lên : 21/06/2014, 16:20

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