The RF85mm F1.4L VCM has a focal length of 85mm, a maximum aperture of f/1.4, and a minimum focusing distance of 0.75 metres Canon has introduced the RF85mm F1.4L VCM, the first medium telephoto lens ...
Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...
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