An aircraft equipped with a LiDAR sensor captures a terrestrial topography. The LiDAR system emits pulses with pulse repetition frequency (PRF) of 160 kHz, and the aircraft is hovering at the altitude of 750 m with a speed of 180 mph. The beam of lidar pulses is steered along a line perpendicular to the direction the fight, or swath width, with steering frequency of 80 Hz. a) To avoid the ambiguity of the pulses emitted next to each other, what’s the limitation of swath width of the LiDAR system? b) Estimate the along-track resolution and the resolution across the swath width, assuming each pulse corresponds to each grid of the topography
An aircraft equipped with a LiDAR sensor captures a terrestrial topography. The LiDAR system emits pulses with pulse repetition frequency (PRF) of 160 kHz, and the aircraft is hovering at the altitude of 750 m with a speed of 180 mph. The beam of lidar pulses is steered along a line perpendicular to the direction the fight, or swath width, with steering frequency of 80 Hz. a) To avoid the ambiguity of the pulses emitted next to each other, what’s the limitation of swath width of the LiDAR system? b) Estimate the along-track resolution and the resolution across the swath width, assuming each pulse corresponds to each grid of the topography
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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An aircraft equipped with a LiDAR sensor captures a terrestrial topography. The LiDAR system emits pulses with pulse repetition frequency (PRF) of 160 kHz, and the aircraft is hovering at the altitude of 750 m with a speed of 180 mph. The beam of lidar pulses is steered along a line perpendicular to the direction the fight, or swath width, with steering frequency of 80 Hz.
a) To avoid the ambiguity of the pulses emitted next to each other, what’s the limitation of swath width of the LiDAR system?
b) Estimate the along-track resolution and the resolution across the swath width, assuming each pulse corresponds to each grid of the topography
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