G3
™
User’s & Installation Manual
7/October/2020
54
8.2.4 Electromagnetic Interference (EMI)
Operating electric motors can produce EMI. With the DSP
algorithms the G3™ uses, this error will not occur.
8.2.5 Feedback Interference
When radar is directed at computer screens, streetlights, and other
electronic devices, it can display spurious speeds. To correct this
type of interference, relocate the radar antenna.
Figure 8.2.5a
Correcting feedback interference
8.2.6 Multi-Path Beam Cancellation
If multi-path beam cancellation occurs, the target motor vehicle
speed sporadically blinks and reappears at semi-random intervals.
This type of interference occurs when the radar loses track of a
target motor vehicle, because the target is reecting two or more
signals, which are interfering with each other. The G3™ is immune
to multi-path cancellation.
8.2.7 Patrol Harmonics
In all police radar, when a patrol motor vehicle passes a large,
stationary object such as a road sign, building, or overpass, the
return signal can briey overload the processing circuitry. The
G3™ detects this condition and will not display speeds which are
generated by this overloading.
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