Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics.

Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

Dataset: RadioML dataset with in-phase (I) and quadrature (Q) signals across various modulation types and SNR levels. Feature Engineering: Fast Fourier Transform (FFT) features for spectral ...

/ c ± n.m / for n = 0, 1, 2, 3, .... where n is the sideband pair number In this expression, the + indicates the upper sidebands, and the - indicates lower ones ...

As a next-generation optical archive storage device for 8K video, we have been researching and developing holographic memory. Recent studies have focused on multi-level code instead of binary code to ...