The shape or amplitude of reference pulses in a filling level radar typically depend on the component quality of the circulator used, of a transmitting/receiving coupler, or else of the circuit temperature. In case of large echoes at close range, the quality of the measurement may deteriorate. A radar...http://www.google.fr/patents/US20070182621?utm_source=gb-gplus-shareBrevet US20070182621 - Reference pulse generation
Numéro de demande: 11/607,508 Numéro de publication: US 2007/0182621 A1 Date de dépôt: 30 nov. 2006 Brevet délivré: US7639176 ( Date de délivrance 29 déc. 2009)
