Which of the following radars is used to provide
security against attacks at night?
2. Air-search radar
3. Fire-control radar
4. Surface-search radar
What radar provides continuous positional data?
1. 3-D radar
2. Tracking radar
3. Air-search radar
4. Fire-control radar
Fire-control radar operations include which of the
1. Designation, acquisition, and pulse
2. Acquisition, track, and pulse
3. Track, designation, and acquisition
4. Pulse, track, and acquisition
Basic radar systems use which of the following
types of energy transmissions?
Pulse and continuous wave
Pulse and frequency modulation
Frequency modulation and continuous wave
Continuous wave and amplitude modulation
intermediate frequencies of 30 to 60 MHz are used
with what type of radar system?
1. Frequency-modulation continuous wave
2. Basic continuous wave
3. Pulse Doppler
4. Basic pulse
Which of the following radar systems can detect
both stationary and moving targets?
Basic continuous wave
Frequency-modulation continuous wave
The amount of Doppler shift is determined by
which of the following factors pertaining to the
3. Radial velocity
4. Relative angle
Pulse-Doppler search radars primarily use which of
the following methods to detect moving targets?
1. Moving-target indication
2. Continuous wave
3. Doppler shift
4. Basic pulse
Most continuous-wave radars use a separate
antenna to receive.
The limitation of determining target range with
CW radars can be overcome by using which of the
1. Frequency modulation
2. Doppler shift
3. Angle shift
4. Pulse shift
What two basic scanning methods are used with
1. Mechanical and electronic
2. Electronic and amplitude
3. Frequency and mechanical
4. Microwave and amplitude
1-22. All of the following types of scanning are included
in mechanical scanning except which one?
1. Nutating waveguide
2. Angle tracking