Nature

Complete Spectral Diagrams of Crystals

IN NATURE of Dec. 21, 1929 (vol. 124, p. 946), W. Linnik describes a complete spectral diagram 1 of quartz produced by a conical X-ray pencil, which pencil is obtained by the movement in two ...
EDN

Frequency domain tutorial, part 1: Dealing with ambiguity

One of the major obstacles engineers encounter while learning digital signal processing (DSP) is understanding how spectral components are defined and illustrated in the frequency domain. When people ...
EurekAlert!

Spectral Diagram of Cosmic Rays (IMAGE)

Fig. 2. Spectral diagram of cosmic rays detected on the Earth (horizontal axis represents energy in eV, vertical axis represents CR luminosity in eV×m-2×s-1×sr-1). Dots indicate observed data; the ...
EurekAlert!

Schematic diagram of SPECTRA and other existing training-free approaches (IMAGE)

This figure shows an overview of SPECTRA and compares its functionality with other training-free state-of-the-art approaches across a range of applications. SPECTRA comprises two main modules, namely ...