This greatly improves capabilities of analysis of expected performance of the device. It can be used to estimate the measurement uncertainty of a FW LiDAR at an early design stage. This formula extends the base knowledge in the domain of laser p-ToF distance measurements. All obtained results were used to formulate the general relationship between the measurement uncertainty of the SDPA algorithm and the parameters of the received echo signals. In the presented work, measurement uncertainty was evaluated using simulation tests for various parameters of the echo pulse. This position represents the maximum intensity of the incoming echo signal and is related to the round-trip propagation time of the laser pulse. To determine the pulse transit time and measure the distance, the position of the vertex of this parabola is sought. This method is based on the acquisition of the full-waveform of the echo pulse signal and approximation of its shape by the second-degree polynomial (we called it SDPA for short). The main objective of the study was to evaluate the distance calculation method developed by the authors. The article presents results of research on the influence of changes in parameters of the digitally recorded echo signals on the uncertainty of pulsed Time-of-Flight (p-ToF) laser distance measurements.
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