Complex sentence: This type of unmodulated continuous wave radar does not measure distance, and the beam is fairly broad, so there is no way to determine which object corresponds with which speed measurement when there is more than one moving object in front of the receiver.
Split into simpler sentences: This type of unmodulated continuous wave radar does not measure distance, and the beam is fairly broad. This means that there is no way to determine which object corresponds with which speed measurement when there is more than one moving object in front of the receiver.