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- W2308125559 abstract "Frequency Selective Surfaces (FSSs) consist of two dimensional arrays of conductiveelements mounted on a dielectric substrate. FSSs act as passive filters to microwaveradiation. The frequency response of the filter is primarily controlled by the dimensionsand shape of the elements. The frequency selective propeny of a conventional FSScannot be altered once it is installed.By positioning two FSSs so they are parallel and closely coupled to each other a doublelayer FSS is created. If one FSS is moved across the plane of the other the frequencyresponse of the double layer FSS alters. A method of moving the FSS using piezoelectricmaterials has been investigated. This allows the frequency response of the double layerFSS to be altered, or reconfigured, after it has been installed.Suitable piezoelectric materials were studied and methods of utilising them in aReconfigurable FSS (RFSS) were considered. Computer models and frequency responsemeasurements of conventional FSSs were used to establish the design criteria necessaryto maximise the variation in frequency response of the RFSS.RFSSs were designed, modelled, and manufactured. Their frequency responses were thenmeasured. The results of the computer models and measurements were compared andused along with knowledge of manufacturing problems to reiterate the design criteria andproduce an RFSS with greater reconfigurability." @default.
- W2308125559 created "2016-06-24" @default.
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- W2308125559 date "1994-01-01" @default.
- W2308125559 modified "2023-09-24" @default.
- W2308125559 title "Reconfigurable frequency selective surfaces" @default.
- W2308125559 hasPublicationYear "1994" @default.
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