WorksheetsRS Quiz (Jun 19)
Total questions: 10
Worksheet time: 3hrs 30mins
In a superheterodyne receiver, what would the output of the mixer consists of?
The Radio Frequency (RF) signal and Local Oscillator (LO) frequency
The Intermediate frequency (IF) or difference frequency
The RF, LO Sum and difference frequency
The IF signal and LO frequency
The RF input signals to the radar receiver ae normally of
very short duration and very small amplitude (micro-volts)
very short duration and small amplitude (milli-volts)
very long duration but very small amplitude (micro-volts)
very long duration and small amplitude (milli-volts)
For radar ranging, how is target distance calculated?
(Speed of sound x Total time taken by pulse to travel to target and back)
(Speed of sound x Total time taken by pulse to travel to target and back) x 2
(Speed of light x Total time taken by pulse to travel to target and back) x 2
(Speed of light x Total time taken by pulse to travel to target and back) / 2
Under the Joint Electronic Type Designation System for Military radars, what does the 3 letter code means?
First letter - Equipment type, 2nd letter - Installation, 3rd letter - Purpose
First letter - Purpose, 2nd letter - Equipment type, 3rd letter -Installation
First letter - Installation, 2nd letter - Equipment type, 3rd letter - Purpose
First letter - Equipment type, 2nd letter - Purpose, 3rd letter - Installation
The maximum unambiguous range of a pulsed radar depends on
Peak power
pulse width of transmitted pulse
PRT
Carrier frequency
Which of the following SSR/IFF modes is used to provide automatic altitude information upon interrogation?
A
B
C
D
Which circuit of the radar system is used to demodulate SSB signals?
Balanced demodulator
Series diode detector
Product detector
Ratio detector
Which circuit of the radar system is used to demodulate FM signals?
Balanced demodulator
Series diode detector
Product detector
Ratio detector
Which characteristics below is typical of a long range surveillance radar?
High PRF
Short pulse duration
High peak power
Low mean power
Which component of the radar system determines the operating frequency?
Oscillator
Antenna
PFN
Waveguide
