Spectral Apr 2026

The ability of a sensor (like a camera) to distinguish between different wavelengths of light, such as infrared or ultraviolet, beyond what the human eye can see.

In medicine, spectral features are used to analyze brain waves (EEG) for tasks like sleep staging. 2. Film and Fiction (The Ghostly) Spectral

In technical contexts, "spectral" refers to the distribution of a signal's properties, like energy or power, across different frequencies. The ability of a sensor (like a camera)

The word is also a common adjective for things that are ghostly or immaterial. Spectral Content - an overview | ScienceDirect Topics such as infrared or ultraviolet