Patch array antenna and apparatus for transmitting and receiving radar signal including the same

摘要

The present invention suggest a patch array antenna which secures a side lobe level by changing a width of a feeder without changing a radiator and a radar signal transmitting and receiving apparatus including the same. The present invention provides a patch array antenna, including: a first unit element which includes a first patch which creates a predetermined radiation pattern and first feeders which are formed at both sides of the first patch and have the same width; and a second unit element is adjacent to the first unit element and includes a second patch which creates a radiation pattern and second feeders which are formed at both sides of the second patch and have the same width in which the width of the second feeders is different from the width of the first feeders.