| 摘要 |
The present invention relates to an ultra wideband antenna comprising at least one radiator ( 2 ) for transmitting and/or receiving an electromagnetic wave, said radiator ( 2 ) being of a planar elliptical shape for the whole UWB frequency band and one having at least one elliptical gap ( 3 ) for omitting the transmission and reception of an electromagnetic wave at a predefined wavelength lambda, whereby the length (l) of the gap ( 3 ) depends on said predefined wavelength lambda.
|
