Optical parametric oscillators simultaneously generate two beams of coherent light that are widely tunable in wavelength. This flexibility makes them a popular tool in various areas of scientific ...

Abstract: This paper presents a quasi-neural network (Quasi-NN) approach for parametric channel estimation in multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. A ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Natalya Yashina is a CPA, DASM with over 12 years of experience in ...

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Mitchell Grant is a self-taught investor with over 5 years of experience as a financial trader. He is a financial content strategist and creative content editor. Timothy Li is a consultant, accountant ...

Kourtnee covers TV streaming services and home entertainment. She previously worked as an entertainment reporter at Showbiz Cheat Sheet, where she wrote about film, television, music, celebrities and ...

Abstract: The sparse and highly directional nature of millimeter–wave (mmWave) propagation presents both challenges and opportunities for efficient channel estimation. We address the problem of sparse ...

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