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Power Spectral Density: Understanding Surfaces at Different Scales

The concept of Power Spectral Density (PSD) is extremely beneficial when specifying optics of various types, with PSD proving ...
Simon Fraser University

Spectral Analysis

The autocovariance function of the random variable Y t is defined as The spectral density function of a white noise is a constant. The spectral density function of the AR(1) process is given by Refer ...
JSTOR Daily

Spectral conditions for graphs to be 𝛪𝛭-extendable or 𝑘-critical-bipartite

D. Fan, S. Goryainov, X. Huang, H. Lin, The spanning k-trees, perfect matchings and spectral radius of graphs, Linear Multilinear Algebra 70 (2022), 7264–7275. P ...
JSTOR Daily

Nondestructive Assessment of Leaf Chemistry and Physiology through Spectral Reflectance Measurements May Be Misleading When Changes in Trichome Density Co-Occur

• Reflectance indices are frequently used for the nondestructive assessment of leaf chemistry, especially pigment content, in environmental or developmental studies. Since reflectance spectra are ...