Just prior to turning on the VCSEL (laser) light, we take a measure of the Ambient. Then we subtract the ambient leaving us with Signal over ambient. Then we determine where the target is from that signal.
So in theory the Ambient has no effect on the measurement.
But in really bright light, the ambient is so strong that it saturates all of our SPADs (photon detectors). When this happens, we have no ability to 'see' the signal.
In summary, the ambient has no effect on the measurement but it does affect how far the sensor can range.
- john
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