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The first Canadian remote sensing satellite was launched in November 1995. The payload is a Synthetic Aperture Radar (SAR). The SAR antenna is a 15m.∗1.5m. C-band horizontally polarised (HP) phase-scanned planar array. The scanned antenna beam can illuminate a portion of the earth's surface which is selected independently of the position of the satellite in its orbit. The beam reconfigurability property...
Many spacecraft applications call for a deployable antenna which is capable of generating a fairly narrow beam, and which can be realised with an inexpensive, low mass construction. The membrane lens antenna [1] is well suited to applications of this type. Thus, when an antenna aperture is fabricated on one or more planar membranes, a very light-weight structure results. Furthermore, a simple mechanism...
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