Optical phased array lidar transceiver antenna achieves solid-state beam scanning through electrical phase control.
A time-of-interference LiDAR system measures distance using pulsed wavelength-modulated coherent light and optical interference patterns.
Desynchronizes shutter and laser source repetition rates to extend measurement range, avoiding power consumption increases and hardware modifications.
A ranging device uses a metal mesh heater to warm the transmissive window and clear snow or water droplets from the sensor opening.
Optically coupled splitters separate signal paths to eliminate measurement inaccuracies caused by unwanted optical coupling between components.
Automated online calibration estimates vehicle pose using LiDAR point clouds and motion data to correct long-term sensor drift without offline procedures.
Dynamic parameter adjustment reduces false detections from interference while maintaining high detection precision for static objects.
A detection system segments Lidar fields of view into regions of interest to form reflection point clusters for data validation.
A controller converts LIDAR point clouds to a 2D birdview projection and matches blurred templates for object detection.
Electronic optical center adjustment via a multiplexer circuit reduces manufacturing costs associated with mechanical alignment steps.
A lidar system detects rising edges of saturated signals using polynomial curve fitting to determine time delay of arrival.
Dynamic tracking patterns resolve the contradiction between extended range and device complexity by optimizing angular resolution without hardware zoom.
Protrusions and recesses in the transparent member block lateral stray light, improving optical sensor accuracy.
A LADAR system generates phasograms from relative phase data to detect small target vibrations with high sensitivity.
A LIDAR system encodes pseudorandom keys into light pulses for secure distance measurement.
A threshold circuit lowers voltage during measurement to extend detection range.
Pre-calibrated stop surfaces on a lidar mounting element align transmitter and receiver modules, eliminating time-consuming post-assembly adjustments.
A phase noise correction unit processes reference signals to generate phase-corrected target signals for LiDAR systems.
An optical sensing apparatus dynamically adjusts detection thresholds using multi-wavelength reference light intensities to maintain precise object presence identification.
Entangled photon source directs idler photons through slow light material to resolve spectral noise and false positives in detection.
Tracking potential aggressor objects outside the field of view allows removal of ghost objects caused by multipath reflections.