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Improvements in or relating to millimeter and sub-millimeter wave radar-radiometric imaging
Improvements in or relating to millimeter and sub-millimeter wave radar-radiometric imaging
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机译:毫米波和亚毫米波雷达辐射成像或与之相关的改进
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摘要
An antenna is provided that is configured to implement a combined radar and radiometric imaging method. The antenna comprises: a bearing device on which is rigidly mounted: rotating waveguide adapter which provides the output for the antenna; an electromechanical drive, the output shaft of which is defined as the main axis of rotation for the antenna and a position sensor. The antenna further comprises an antenna rotor, the rotation of which is configured to be controlled by the out- put shaft of the electromechanical drive of the bearing device. The antenna rotor comprises: at least one 2D diffraction grating; planar dielectric waveguide connected over a diffraction field to the 2D diffraction grating; a linear waveguide turn; and a feed adapter.
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