| polar radiation pattern [`pō·lǝr ´rād·ē`ā·shǝn ´pad·ǝrn] ELECTROMAGNETISM Diagram showing the relative strength of the radiation from an antenna in all directions in a given plane. ENGINEERING ACOUSTICS Diagram showing the strength of sound waves radiated from a loudspeaker in various directions in a given plane, or a similar response pattern for a microphone. |