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Radar and sonar's light-emitting cousin is one of the newer additions to the automotive sensing arsenal. Lidar sends out pulses of light, often using light-safe laser, that map surroundings in the ...
How Cars Use Lidar to Map for Hands-Free Driving BMW For a hands-free driving system to keep a vehicle safely in its lane, the software first needs to know where that lane is and some information ...
Active sonar is similar to radar in that, while it allows detection of targets at a certain range, it also enables the emitter to be detected at a far greater range, which is undesirable. Since active sonar reveals the presence and position of the operator, and does not allow exact classification of targets, it is used by fast (planes ...
Robotic sensing is a subarea of robotics science intended to provide sensing capabilities to robots.Robotic sensing provides robots with the ability to sense their environments and is typically used as feedback to enable robots to adjust their behavior based on sensed input.
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Sodar systems are in fact nothing more than sonar systems used in the air rather than in water. More specifically, since they operate using the Doppler effect with a multi-beam configuration to determine wind speed, they are the exact in-air equivalent to a subclass of sonar systems known as acoustic Doppler current profilers (ADCP). Other ...
A plan position indicator (PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial trace on the PPI sweeps in unison with it about the center point. It is the most common type of radar ...
Harvesting such data sets from the polar plots and computers (Common to sonar, radar and lidar) allows the CIC crew to plot the data correctly on a chart or map at the correct range and bearing, and to calculate the course and speed of the contact accurately, giving the set a vast expansion to include future positions, given unchanged relative ...