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Mini-automatic radar plotting aid (or MARPA) is a maritime radar feature for target tracking and collision avoidance. Targets must be manually selected, but are then tracked automatically, including range, bearing, target speed, target direction (course), CPA (closest point of approach), and TCPA (time of closest point of approach), safe or dangerous indication, and proximity alarm.
Among other applications, optical switches can be found in thermal methods which vary the refraction index in one leg of an interferometer in order to switch the signal, MEMS approaches involving arrays of micromirrors that can deflect an optical signal to the appropriate receiver, piezoelectric beam steering liquid crystals which rotate ...
Electromagnetic sensors rely on the vehicle moving slowly and smoothly towards the object to be avoided. Once an obstacle is detected, the sensor continues to signal the presence of the obstacle even if the vehicle momentarily stops. If the vehicle then resumes moving backwards the alarm signal becomes louder as the obstacle is approached.
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 ...
Optional CIC61508 safety monitor. Arduino IDE supported via add-in, plus Eclipse-based tools with multicore debugger. MBZ Pro WiFi Atmega328P-PU MaxBlitz: MBZ Pro Mega is an Arduino compatible stand-alone board with a prototyping area and built-in Wi-Fi. Featuring a compact design, it helps to shrink Arduino projects and make it permanent.
A circuit that switches on and off at a high rate, used either for power conversion or to convert a DC signal to a more easily processed AC signal. circle diagram A representation of the voltage and current characteristics of an electrical machine; the plot traces out a circle or part of a circle. circuit breaker panel
Tools. Tools. move to sidebar hide. Actions Read; ... Download as PDF; Printable version; In other projects ... Radar tutorial This page was last ...
The drawback is that once the radar is set to tracking a single target, the operator loses information about any other targets. This is the problem that track while scan is meant to address. In traditional radar systems, the display is purely electrical; signals from the radar dish are amplified and sent directly to an oscilloscope for display ...