What does the acronym RADAR stand for?

The acronym RADAR stands for "Radio Detection And Ranging." This term describes the technology that utilizes radio waves to determine the distance and speed of objects, which is crucial in various applications such as meteorology, aviation, and law enforcement speed detection. The term encompasses both the emission of radio waves and the analysis of their reflection to ascertain information about objects in the environment. Understanding this acronym is fundamental for anyone involved in speed detection, as it highlights the technology's reliance on radio frequencies to operate effectively. Other options provided do not reflect the genuine definition of RADAR and introduce incorrect or unrelated terminology, making them unsuitable.