What a phase array is?

Could anyone give a brief and intuitive explanation of what phase array is? what does phase array antenna, phase array transceiver do? and what are the major advantages? Thanks

-Lionel

Hi,

there is a nice article on this on wikipedia!

http://en.wikipedia.org/wiki/Phased_array.

Maybe you have a look. If there is anything unclear, do not hesitate to ask!

F.