Actually not, when missile is sea skimming with 3 times faster speed, the processing speed of the electronic component must be 3 times faster than that on the subsonic missile. Consider other factors, such as background noise, the maneuvering, etc, etc, this kind of weapon is ease to lost their target in the terminal stage (the last 30 seconds).
Well, there is no radar can intercept these targets flying in different modes in the same time, but the fleet air-defense system includes various radars for different purpose.