A talk, The Unreasonable Effectiveness of the Fourier Transform, was presented by [Joshua Wise] at Teardown 2025 in June last year. Click-through for the notes or check out the video below the break ...

Since the concepts of digital coding metasurface and programmable metasurface were put forward in 2014, the physical world of electromagnetics has been closely connected to the digital world of ...

Generalized Frequency Division Multiplexing (GFDM) is a flexible, block-filtered multicarrier modulation scheme that extends the principles of Orthogonal Frequency Division Multiplexing (OFDM) by ...

Abstract: While many questions still surround the creation and deployment of the smart grid, the need for a reliable communications infrastructure is indisputable. Developers of the IEEE 1901.2 ...

Since the beginning of telecommunications in the early 20th century, telcom carriers and broadcasters have striven to transmit as much information as possible while conserving the limited bandwidth of ...

Imagine that you had to send different letters to multiple friends, but all at the same time. Sending every letter individually, obviously, would end up taking a lot of effort and time. So, instead… ...

As more high-speed amplifier applications deal with communication systems, wired or wireless, a brief introduction and overview of orthogonal frequency division multiplex (OFDM) is necessary. With a ...

Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier modulation technique in which a high-rate data stream is divided into a number of parallel low-rate substreams, each modulating an ...