A Radiation Pattern is a 3 dimensional description of how an antenna radiates power in the surrounding space. This pattern is usually measured at a sufficient distance from the antenna known as the far-field. In simple words it is the power radiated in a certain direction with reference to an omni-directional antenna (a theoretical antenna that radiates equally in all the directions). Given below are the radiation patterns for some common antenna types.
![Patch Antenna 3D Radiation Pattern Patch Antenna 3D Radiation Pattern](http://www.raymaps.com/wp-content/uploads/2012/02/Patch-Antenna-Radiation-Pattern.jpg)
![4x4 Patch Array 3D Radiation Pattern 4x4 Patch Array 3D Radiation Pattern](http://www.raymaps.com/wp-content/uploads/2012/02/4x4-Patch-Array-Radiation-Pattern.jpg)
![GSM Band Antenna Radiation Patterns from a Cell Phone GSM Band Antenna Radiation Patterns from a Cell Phone](http://www.raymaps.com/wp-content/uploads/2012/02/GSM-Band-Antenna-Radiation-Pattern-from-a-Cell-Phone.png)
![GSM Band Antenna Radiation Pattern from a Cell Phone in Presence of Head and Hand GSM Band Antenna Radiation Pattern from a Cell Phone in Presence of Head and Hand](http://www.raymaps.com/wp-content/uploads/2012/02/GSM-Band-Antenna-Radiation-Pattern-from-a-Cell-Phone-in-Presence-of-Head-and-Hand.png)
![Horn Antenna Radiation Pattern Horn Antenna Radiation Pattern](http://www.raymaps.com/wp-content/uploads/2012/02/Horn-Antenna-Radiation-Pattern.jpg)
![Yagi Antenna 3D Radiation Pattern Yagi Antenna 3D Radiation Pattern](http://www.raymaps.com/wp-content/uploads/2012/02/Yagi-Antenna-3D-Radiation-Pattern.jpg)
nice clean 3d plots . . MATLAB ? ? what toolbox ?
This is not MATLAB…its CST Microwave Studio.