Volume 1 for 3D1X5 CDCs
45
90
135
180
The speed of light
The speed of sound
One-half the speed of light
One-half the speed of sound
3.09 us
6.18 us
9.27 us
12.36 us
Transmitter on-time
Transmitter off-time
Pulse recurrence time
Pulse repetition frequency
A lower frequency than the original broadcast
A higher frequency than the original broadcast
No apparent frequency change than the original broadcast
Oscillating lower and higher frequency changes in respect to the original broadcast
Synchronizer
Transmitter
Modulator
Duplexer
Synchronizer
Transmitter
Modulator
Duplexer
It is nonlinear
It transmits patterns
It contains ferrite devices
Its transmit and receive patterns are identical
Active
Linear
Passive
Circular
Raise the effective beam coverage by 3
Dummy load the lower 3 of the transmitted beam
Route the received signal from the number one feedhorn to a dummy load
Vary low-level coverage by routing more radio frequency through one feedhorn
Main lobe gain
Pattern of the antenna
Probability of interference
Susceptibility of the antenna
Gain
Location
Purpose
Power
Direction of energy into an appropriately shaped beam
Orientation of the electromagnetic wave as it travels through space
Motion of the antenna axis (of the beam) as the radar looks for an aircraft
Efficient launch and reception of electromagnetic energy in the atmosphere or space
Raster
Conical
Circular
Monopulse
Raster
Conical
Circular
Monopulse
Raster
Conical
Circular
Monopulse
Raster
Conical
Circular
Monopulse
Palmer
Helical
Palmer/Raster
Track-While
Simultaneous reception of pulse-type information
Near-simultaneous reception of pulse-type information
Electromagnetic (EM) waves reach the receiving antenna by direct paths
EM waves reach the receiving antenna by indirect paths
Off-axis tracking
Frequency agility
Monopulse radar
Off-boresight tracking
Long-range surveillance
Airport surveillance
Precision approach
Weather
Azimuth only
Elevation only
Range and azimuth
Elevation and range
1
2
3
4
Data processing circuits
Deflection circuits
Cathode-ray tube
Video circuits
Deflection circuits
Cathode-ray tube
Video circuits
Power supply
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