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For traveling waveguide, if the central aperture diameter is constant from beginning to the end, it is known as "constant impedance" where the electric field is attenuated and
is diminished by the time wave reached the end of the waveguide
.
If the central aperture is tapered (larger opening in the beginning and gets narrower) it is
known as "constant gradient" where the electric field is maintained constant down the guide.
Can you explain for each mode, why that is true (why does having constant aperture means
E fields gets attenuated and why tapering helps maintain E field)
also, each cavities in the waveguide that are separated by the conducting discs are known as "coupled resonant cavities",
what does it mean by "coupled"?
Thank you.
is diminished by the time wave reached the end of the waveguide
.
If the central aperture is tapered (larger opening in the beginning and gets narrower) it is
known as "constant gradient" where the electric field is maintained constant down the guide.
Can you explain for each mode, why that is true (why does having constant aperture means
E fields gets attenuated and why tapering helps maintain E field)
also, each cavities in the waveguide that are separated by the conducting discs are known as "coupled resonant cavities",
what does it mean by "coupled"?
Thank you.
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