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Analysis and Computer Studies of Magnetostatic Wave Transducers

Authors: I. Jacob Weinberg; LOWELL UNIV MA
 
Abstract: We here present the analysis and computer program for obtaining the dispersion relation, group delay, magnetostatic wave power, radiation resistance, radiation reactance and insertion loss for forward volume waves and backward volume waves. Included are the consideration of ground planes, apodization of the fundamental mode, multistrip meander line and parallel grating and isolated independent conductors for a uniform current distribution without variable coupling. The analysis, computer program and its use together with graphical results are presented. The analysis for obtaining the dispersion relation and group delay for volume waves with arbitrary orientation of the biasing field is presented here. The computer program and graphical results for cases of interest for the generalized dispersion relation for volume waves including ground planes are presented. Also included in the report are the results of attempting to obtain nondispersive, electronically tunable time delay elements by combining the group delays for volume waves of two different biasing field magnitudes in the same specified orientation.

Description: Final technical rept. 4 Jan 80-3 Jul 82
Pages: 64
Report Date: DEC 1982
Contract Number: F19628-80-C-0029
Report Number: A035421

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Keywords relating to this report:
*COMPUTER PROGRAMS
*MAGNETOSTATICS
*Transducers
BIAS
COMPUTERS
COUPLING_INTERACTION_
DELAY
DISPERSION RELATIONS
FERRIMAGNETISM
GRATINGS_SPECTRA_
INSERTION LOSS
MAGNETIC FIELDS
PARALLEL ORIENTATION
POWER
RADIATION
RADIATION RESISTANCE
REACTANCE
SURFACE WAVES
TIME INTERVALS
TUNING
VARIABLES
VOLUME
WAVES
YTTRIUM IRON GARNET
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