Microwave Communication
In microwave transmission using digital radio, what causes most intersymbol interference?

Delayed spreading
Rayleigh fading
Random Doppler shift
Slow fading

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Microwave Communication
As the electron beam moves through a klystron’s intercavity drift space

Frequency modulation at the input cavity creates velocity modulation at the output cavity
Phase modulation at the input cavity creates velocity modulation at the output cavity.
Density modulation at the input cavity creates velocity modulation at the output cavity
Velocity modulation at the input cavity creates density modulation at the output cavity

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