FRIEND OR FOE IDENTIFICATION SYSTEM AND METHOD
There are provided methods and systems for producing a wave-beam having substantially constant lateral extent over a desired range of distances, and interrogation and response system and methods utilizing the same. The method for producing a wave- beam having substantially constant lateral extent in...
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Format | Patent |
Language | English French |
Published |
09.10.2014
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Abstract | There are provided methods and systems for producing a wave-beam having substantially constant lateral extent over a desired range of distances, and interrogation and response system and methods utilizing the same. The method for producing a wave- beam having substantially constant lateral extent includes generating a plurality of at least partially incoherent constituent wave-beams having different divergences and directing the plurality constituent wave-beams to propagate along substantially parallel propagation axes such that the constituent wave-beams at least partially overlap and superpose to form a combined wave-beam. The divergences and intensities of the constituent wave-beams are selected such that the combined wave-beam has a desired substantially constant lateral extent over a desired range of distances along said propagation axes.
L'invention porte sur des procédés et sur des systèmes pour produire un faisceau d'onde ayant une étendue latérale sensiblement constante sur une plage de distances désirée, et sur un système et sur des procédés d'interrogation et de réponse les utilisant. Le procédé pour produire un faisceau d'onde ayant une étendue latérale sensiblement constante met en œuvre la génération d'une pluralité de faisceaux d'onde constitutifs au moins partiellement incohérents ayant des divergences différentes et le fait de diriger la pluralité de faisceaux d'onde constitutifs de façon à se propager le long d'axes de propagation sensiblement parallèles, de telle sorte que les faisceaux d'onde constitutifs se chevauchent au moins partiellement et se superposent de façon à former un faisceau d'onde combiné. Les divergences et les intensités des faisceaux d'onde constitutifs sont sélectionnées de telle sorte que le faisceau d'onde combiné a une étendue latérale désirée sensiblement constante sur une plage de distances désirée le long desdits axes de propagation. |
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AbstractList | There are provided methods and systems for producing a wave-beam having substantially constant lateral extent over a desired range of distances, and interrogation and response system and methods utilizing the same. The method for producing a wave- beam having substantially constant lateral extent includes generating a plurality of at least partially incoherent constituent wave-beams having different divergences and directing the plurality constituent wave-beams to propagate along substantially parallel propagation axes such that the constituent wave-beams at least partially overlap and superpose to form a combined wave-beam. The divergences and intensities of the constituent wave-beams are selected such that the combined wave-beam has a desired substantially constant lateral extent over a desired range of distances along said propagation axes.
L'invention porte sur des procédés et sur des systèmes pour produire un faisceau d'onde ayant une étendue latérale sensiblement constante sur une plage de distances désirée, et sur un système et sur des procédés d'interrogation et de réponse les utilisant. Le procédé pour produire un faisceau d'onde ayant une étendue latérale sensiblement constante met en œuvre la génération d'une pluralité de faisceaux d'onde constitutifs au moins partiellement incohérents ayant des divergences différentes et le fait de diriger la pluralité de faisceaux d'onde constitutifs de façon à se propager le long d'axes de propagation sensiblement parallèles, de telle sorte que les faisceaux d'onde constitutifs se chevauchent au moins partiellement et se superposent de façon à former un faisceau d'onde combiné. Les divergences et les intensités des faisceaux d'onde constitutifs sont sélectionnées de telle sorte que le faisceau d'onde combiné a une étendue latérale désirée sensiblement constante sur une plage de distances désirée le long desdits axes de propagation. |
Author | YIFRACH, AHARON LOU ALON, DAVID AHARONI, ABRAHAM |
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DocumentTitleAlternate | SYSTÈME ET PROCÉDÉ D'IDENTIFICATION D'AMI OU D'ENNEMI |
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RelatedCompanies | ISRAEL AEROSPACE INDUSTRIES LTD |
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Snippet | There are provided methods and systems for producing a wave-beam having substantially constant lateral extent over a desired range of distances, and... |
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SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
Title | FRIEND OR FOE IDENTIFICATION SYSTEM AND METHOD |
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