help for radiation pattern

hello everybody. I'am newbie here.Does anybody have the material to understand radiation pattern and smith chart?

hi
i hope that will help you in smith chart
http://www.maxim-ic.com/app-notes/index.mvp/id/742
or you can download this book "elements of electromagnetics by mathew n.o.sadiku " you may know it . it's a great help in smith chart and radiation pattern you can find it in "antenna" section in this book

i you any problems or any questions in smith chrart i'm here to help you

note: don't forget to press "helped me" button .ok