POLARIZER DEVICE FOR MICROWAVE ANTENNA
Номер патента: FR2450509A1
Опубликовано: 26-09-1980
Автор(ы): Pierre Crochet
Принадлежит: Thomson CSF SA
Опубликовано: 26-09-1980
Автор(ы): Pierre Crochet
Принадлежит: Thomson CSF SA
Реферат: DISPOSITIF PERMETTANT, PAR REFLEXION DE MODIFIER LA POLARISATION D'UNE ONDE ELECTROMAGNETIQUE INCIDENTE. CE DISPOSITIF COMPREND DEUX ELEMENTS: UN ELEMENT REFLECTEUR ESPACE D'UNE DISTANCE DETERMINEE D'UN FILTRE DE POLARISATION CONSTITUE PAR UNE PLAQUE METALLIQUE 1 DANS L'EPAISSEUR DE LAQUELLE EST PRATIQUE UN RESEAU PERIODIQUE BIDIMENSIONNEL DE FENTES RESONANTES 2 A LA FREQUENCE DE FONCTIONNEMENT. APPLICATION AUX SYSTEMES D'ANTENNES MICROONDES, NOTAMMENT AUX ANTENNES DU TYPE CASSEGRAIN. DEVICE ALLOWING, BY REFLECTION, TO MODIFY THE POLARIZATION OF AN INCIDENT ELECTROMAGNETIC WAVE. THIS DEVICE CONSISTS OF TWO ELEMENTS: A SPACE REFLECTOR ELEMENT AT A DETERMINED DISTANCE FROM A POLARIZATION FILTER CONSISTING OF A METAL PLATE 1 IN THE THICKNESS OF WHICH A PERIODIC BIDIMENSIONAL NETWORK OF OPERATING SLOTS 2 AT THE FREQUENCY OPERATION IS PRACTICAL. APPLICATION TO MICROWAVE ANTENNA SYSTEMS, ESPECIALLY TO CASSEGRAIN TYPE ANTENNAS.
Steerable high-power microwave antennas
Номер патента: US09786993B1. Автор: Robert A. Koslover. Владелец: Scientific Application and Research Associates Inc. Дата публикации: 2017-10-10.