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Microwave Engineering
book

Microwave Engineering

by Ahmad Shahid Khan
May 2014
Intermediate to advanced content levelIntermediate to advanced
800 pages
24h 50m
English
CRC Press
Content preview from Microwave Engineering
127Waveguides
modes can be explained in view of Equation 3.30a. According to this velocity
relation, there will be faster propagation of the lower-order mode and slower
propagation of the higher-order mode. Correspondingly, the wave will strike
the two walls more frequently in case of higher-order mode than in case of
the lower-order mode.
3.6.13 Group Velocity Variations
In view of Equations 3.18, 3.22 and 3.29, it is evident that both velocity ‘
υ
and wavelength ‘
λ
’ are inversely proportional to m and n. If the frequency ‘
ω
remains the same and m and n are increased (i.e., order of mode is higher),
the wave will progress at slower velocity
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Publisher Resources

ISBN: 9781466591417