What type of information does a video signal contain?

A video signal contains target information recovered from the intermediate frequency (IF) signal. This is because, in radar systems, after the radar signal is transmitted and reflected back from targets, the received signals undergo a series of processing steps, including demodulation. During this process, the IF signal is generated, which directly relates to the echo return from targets in the radar's field of view. The important data concerning the location, size, and movement of these targets is extracted from this processed signal and represented in the form of a video signal. This allows operators and technicians to visualize and interpret the radar information accurately.

In contrast, the other options refer to different types of data or analyses. Ambient noise data pertains to unwanted signals that can interfere with radar operation. Flight path analysis involves examining the trajectories of aircraft but does not directly relate to the information present within a video signal itself. Environmental conditions may affect radar performance and reception but do not constitute information contained in a video signal.