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A step-frequency continuous-wave (SFCW) scheme was proposed for millimeter-wave (MMW) inline holography to eliminate the background and twin-image interferences with appropriate range windows. The image reconstruction algorithm is developed for the proposed the hologram approach. A 200GHz prototype experiment is performed to demonstrate the effectiveness of the imaging scheme.
A millimeter-wave (MMW) inline holographic imag ing method based on step-frequency continuous-wave (SFCW) scheme is presented in this letter. By analyzing and decomposing the received SFCW power in range domain, it is found that the background and twin-image interferences can be well separated from the image-related term, and therefore can be removed with appropriate range windows. Moreover, a corresponding...
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