In radar systems, what does "pulse width" refer to?

Pulse width in radar systems refers to the duration for which the radar signal is transmitted. This is a critical parameter as it defines how long the radar emits a pulse of energy. A longer pulse width allows for more energy to be transmitted, which can improve the ability to detect objects at greater distances. Additionally, it influences the resolution of the radar system; shorter pulse widths can provide better resolution, allowing for precise measurements of the speed and distance of moving objects.

Understanding pulse width is essential for interpreting radar signals effectively, as it helps to determine not only the accuracy of speed detection but also the overall behavior of how radar interacts with objects in its path. This concept is pivotal in determining how radar systems are calibrated and used in various applications, including speed detection in law enforcement.