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(cars, large pipes, fences, etc) or non-metal surfaces (straight walls, buildings) this
might result in multiple reflections (similar to looking at a mirror) from a signal
target, arriving at the radar from multiple angles.
This means, for example, that if the sensor is set to protect an area containing a
metallic fence, a target moving at one side of the fence might be detected by the
radar as 2 targets moving from both sides of the fence.
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Note that tripod user as illustrated in the figure is not recommended for permanent
installations. Use tripods only for evaluating sensor performance during site
surveys/demos/etc.
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In general water is non-transparent to RF signals. A consequence of this fact is that
when the SR-series sensor intended to cover an area containing large bodies of
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Figure 2: Avoid reflections from metallic objects
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