1
Introduction
This manual describes the specifications, installation, and data output format of Pandar128.
This manual is under constant revision. Please contact Hesai for the latest version.
1.1
Operating Principle
Distance Measurement: Time of Flight (ToF)
1)
A laser diode emits a beam of ultrashort laser pulses onto the object.
2)
Diffuse reflection of the laser occurs upon contact with the target object. The beams are detected by the optical sensor.
3)
Distance to object can be accurately measured by calculating the time between emission and receipt by the sensor.
Figure 1.1 ToF Formula
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