what this antenna type....?

hellllllllllllllllllo:

I want to know what this antenna type is and who to be analyzed and simulate...I think it is LPDA.......but with different feed and element arrangement
can any body help me ...

antenna is attached down here



thanks.

This is a yagi-udi antenna with the driven element in the form of a log periodic. This way the feed impedance is more constant with frequency.

This type of antenna was commercially produced several decades ago.

The extensive reflector improves the front to back ratio.