The representation of a PERIODIC sound or WAVEFORM as a sum of Fourier components (i.e. pure SINUSOIDAL WAVEs). According to the FOURIER THEOREM, periodic sound may be shown to consist of SINE WAVEs ...

Spectral analysis is one of the most important tools of atmospheric physics. Patterns can be extracted from measurement series with the help of spectral analysis and used as a complement to their ...

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 ...

Definition: Fourier Transform Infrared (FTIR) Spectroscopy is a highly specialized type of IR spectroscopy. It's the most common way IR measurements are carried out today. FTIR is known for its speed, ...

Spectroscopy is a key tool for identifying chemical compounds and analyzing molecular structures. Learn how to read and ...