scholarly journals A two-microphone method for the determination of the mode amplitude distribution in high-frequency ducted broadband sound fields

2017 ◽  
Vol 142 (4) ◽  
pp. 2019-2029 ◽  
Author(s):  
P. F Joseph
Keyword(s):  
High Frequency ◽  
Amplitude Distribution ◽  
Sound Fields ◽  
Mode Amplitude ◽  
Broadband Sound

scholarly journals Benchmark analytical solutions for steady state high frequency broadband sound fields in three rectangular enclosures

2019 ◽  
Vol 145 (4) ◽  
pp. 2601-2612 ◽  
Author(s):  
David Raudales ◽  
Donald B. Bliss ◽  
Krista A. Michalis ◽  
Jerry W. Rouse ◽  
Linda P. Franzoni
Keyword(s):  
Steady State ◽  
Analytical Solutions ◽  
High Frequency ◽  
Sound Fields ◽  
Broadband Sound

scholarly journals Benchmark analytical solutions for steady-state high frequency broadband sound fields in three rectangular enclosures

2019 ◽  
Vol 145 (3) ◽  
pp. 1889-1889
Author(s):  
David Raudales ◽  
Donald B. Bliss ◽  
Krista Michalis ◽  
Jerry W. Rouse ◽  
Linda P. Franzoni
Keyword(s):  
Steady State ◽  
Analytical Solutions ◽  
High Frequency ◽  
Sound Fields ◽  
Broadband Sound

Magnetic Permeability and Relaxation Frequency in High Frequency Magnetic Materials.

2001 ◽  
Vol 674 ◽  
Author(s):  
M.I. Rosales ◽  
H. Montiel ◽  
R. Valenzuela
Keyword(s):  
High Frequency ◽  
Domain Walls ◽  
Magnetocrystalline Anisotropy ◽  
Low Frequency ◽  
Frequency Dispersion ◽  
Anisotropy Constant ◽  
Relaxation Frequency ◽  
Resonance Relaxation ◽  
Frequency Behavior

ABSTRACTAn investigation of the frequency behavior of polycrystalline ferrites is presented. It is shown that the low frequency dispersion (f < 10 MHz) of permeability is associated with the bulging of pinned domain walls, and has a mixed resonance-relaxation character, closer to the latter. It is also shown that there is a linear relationship between the magnetocrystalline anisotropy constant, K1, and the relaxation frequency. The slope of this correlation depends on the grain size. Such a relationship could allow the determination of this basic parameter from polycrystalline samples.

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