AHRS	Attitude and heading reference system
ALS	Aerial laser scanning
CAD	Computer aided design
DEM	Digital elevation model
EKF	Extended Kalman filter
GNSS	Global navigation satellite system
ICP	Iterative closest point
IMU	Inertial measurement unit
LIDAR	Light detection and ranging
MEMS	Micro electro mechanical systems
NDT	Normal distributions transform
NMEA	National Marine Electronics Association
NPP	Nuclear power plant
PCB	Printed circuit board
PPS	Pulse per second
RGB	Red green blue
RGB–D	Red green blue depth
RPM	Rotations per minute
SE(3)	Special euclidean group
SLAM	Simultaneous localization and mapping
TLS	Terrestrial laser scanning
UDP	User datagram protocol
UTC	Coordinated Universal Time