The concept of Power Spectral Density (PSD) is extremely beneficial when specifying optics of various types, with PSD proving ...
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 ...
• Reflectance indices are frequently used for the nondestructive assessment of leaf chemistry, especially pigment content, in environmental or developmental studies. Since reflectance spectra are ...