Microwave Communication
If k-factor is greater than 1, the array beam is bent

Towards the outer space
Towards the ionosphere,
Away from the earth
Towards the earth

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The cavity resonator

Has a low Q factor for narrow operation.
Is equivalent to an LC resonant circuit
Produces a frequency which is independent of the cavity size.
In a reflect klystron has its output taken from the reflector plate

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
In a pulsed radar set, the STC circuit is used to

Vary the pulse frequency in order to control the maximum target
Reduce interference from the effects of sea return
Improve the target bearing resolution
Increases receiver sensitivity for echoes from targets

ANSWER DOWNLOAD EXAMIANS APP