RF REFLECTION FOR INSPECTING COMPOSITE MATERIALS

A sensing system which comprises a material (30) formed of a matrix and a plurality of non - insulating particles (40) substantially equally spaced within the matrix such that the material has coherent electrical periodicity in at least one dimension; and a receiver (10), the receiver arranged to re...

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Bibliographische Detailangaben
Hauptverfasser:	STEVENSON, ADRIAN, CARL, LOWE, CHRISTOPHER, ROBIN, JAIN, KARISHMA
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A sensing system which comprises a material (30) formed of a matrix and a plurality of non - insulating particles (40) substantially equally spaced within the matrix such that the material has coherent electrical periodicity in at least one dimension; and a receiver (10), the receiver arranged to receive a source RF signal and a returned RF signal, the source RF signal being reflected by the non - insulating particles to produce the returned RF signal. A change in the position of one or more of the non - insulating particles causes the returned RF signal to change, such that a change in a property of the material can be determined from the returned RF signal.