radar vs measuring system

radar and measuring system both are nouns.

Word	Noun	Adjective	Verb	Adverb
radar	Yes	No	No	No
measuring system	Yes	No	No	No

As nouns, measuring system is a hypernym of radar; that is, measuring system is a word with a broader meaning than radar:

radar: measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of radar include measuring device, measuring instrument.

radar (noun)	measuring system (noun)
measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects	instrument that shows the extent or amount or quantity or degree of something