8-A-01: Marine RADAR Systems
8-1A1:
Choose the most correct statement containing the parameters which control the size of the target echo.
Transmitted power, antenna effective area, transmit and receive losses, RADAR cross section of the target, range to target.
Height of antenna, power radiated, size of target, receiver gain, pulse width.
Power radiated, antenna gain, size of target, shape of target, pulse width, receiver gain.
Magnetron gain, antenna gain, size of target, range to target, wave-guide loss.
8-1A2:
Which of the following has NO effect on the maximum range capability?
Recovery time.
Carrier frequency.
Pulse repetition frequency.
Receiver sensitivity.
8-1A3:
What type of transmitter power is measured over a period of time?
Average.
Peak.
Reciprocal.
Return.
8-1A4:
What RADAR component controls timing throughout the system?
Synchronizer.
Power supply.
Indicator.
Receiver.
8-1A5:
Which of the following components allows the use of a single antenna for both transmitting and receiving?
Duplexer.
Mixer.
Synchronizer.
Modulator.
8-1A6:
The sweep frequency of a RADAR indicator is determined by what parameter?
Pulse repetition frequency.
Carrier frequency.
Pulse width.
Duty cycle.
|
Color key:
|
|
● = Unseen
|
|
● = Weak
|
|
● = Review
|
|
● = Learned
|
|
● = Incorrect answer
|
