When the computation is based on comparing the phases of the emitted signal and the return signal, the distance between the laser's emission and reception is calculated in terms of "time of flight" (TOF) for 3D laser scanners, or it is calculated in terms of "phase difference" (Phase shi...
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both reduced and excessive sun exposure has been linked to increased risk of melanoma incidence and death. Although the histological classification of melanoma is useful in diagnosis, its molecular subtypes are often determined
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Figure 1. Basic schematics of a lidar system: A laser transmitter emits light pulses to the atmosphere; an optical assembly, usually a telescope, collects part of the scattered radiation, which, after being filtered, is brought onto a photo-detector; the detected signal is then amplified, digit...