What is the difference between pulse radar and continuous wave radar?

Disadvantages:

Pulsed signals remain powered for short periods of time, working with and without some form of modulation, such as amplitude, frequency, or phase modulation. CW signals remain on constantly and may be modulated to function as radars or in communications systems.

The Radar, which operates with continuous signal (wave) for detecting non-stationary targets , is called Continuous Wave Radar or simply CW Radar. This Radar requires two Antennas. Among which, one Antenna is used for transmitting the signal and the other Antenna is used for receiving the signal.

Principle of Operation. As opposed to pulsed radar systems, continuous wave (CW) radar systems emit electromagnetic radiation at all times . Conventional CW radar cannot measure range because there is no basis for the measurement of the time delay.