Distortion introduced into a multiamplitude signal format or amplitude and phase signal format by a high power microwave amplifier is compensated by a system which adapts itself to non-linearities present in the amplifier and predistorts the input signals before they are subjected to the non-linearities...http://www.google.de/patents/US6614854?utm_source=gb-gplus-sharePatent US6614854 - System and method for adaptive predistortion
