Channel estimation (CE) for millimeter-wave (mmWave) lens-array suffers from prohibitive training overhead, whereas the state-of-the-art solutions require an extra complicated radio frequency phase ...

The principle of antenna array distribution of two-dimensional synthetic aperture microwave radiometer is presented. The optimization technique based on differential evolution algorithm (DE) is ...

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Polk’s Signature Elite ES15 bookshelf speaker has been a favorite of ours for years. It has a neutral sound character that works great for any type of music, it’s especially affordable, it ...