enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Ambient optic array - Wikipedia

    en.wikipedia.org/wiki/Ambient_optic_array

    The ambient optic array is the structured arrangement of light with respect to a point of observation. [1] American psychologist James J. Gibson posited the existence of the ambient optic array as a central part of his ecological approach to optics.

  3. Visual perception - Wikipedia

    en.wikipedia.org/wiki/Visual_perception

    The resulting perception is also known as vision, sight, or eyesight (adjectives visual, optical, and ocular, respectively). The various physiological components involved in vision are referred to collectively as the visual system , and are the focus of much research in linguistics , psychology , cognitive science , neuroscience , and molecular ...

  4. Noise figure - Wikipedia

    en.wikipedia.org/wiki/Noise_figure

    Another optical noise figure F ase for amplified spontaneous emission has been defined. [8] But the noise factor F ase is not the SNR degradation factor in any optical receiver. All the above conflicts are resolved by the optical in-phase and quadrature noise factor and figure F o,IQ. [9] [10] It can be measured using a coherent optical I&Q ...

  5. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    The visual system is the physiological basis of visual perception (the ability to detect and process light).The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a mental model of the surrounding environment.

  6. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Some plastics also have more advantageous optical properties than glass, such as better transmission of visible light and greater absorption of ultraviolet light. [6] Some plastics have a greater index of refraction than most types of glass; this is useful in the making of corrective lenses shaped to correct various vision abnormalities such as ...

  7. Signal-to-noise ratio - Wikipedia

    en.wikipedia.org/wiki/Signal-to-noise_ratio

    To describe the signal quality without taking the receiver into account, the optical SNR (OSNR) is used. The OSNR is the ratio between the signal power and the noise power in a given bandwidth. Most commonly a reference bandwidth of 0.1 nm is used. This bandwidth is independent of the modulation format, the frequency and the receiver.

  8. 24 Heart Emoji Meanings You'll Want To Know About ... - AOL

    www.aol.com/lifestyle/24-heart-emoji-meanings...

    Main Menu. News. News

  9. Perceived visual angle - Wikipedia

    en.wikipedia.org/wiki/Perceived_visual_angle

    An optical illusion where the physical and subjective angles differ is then called a visual angle illusion or angular size illusion. Angular size illusions are most obvious as relative angular size illusions, in which two objects that subtend the same visual angle appear to have different angular sizes; it is as if their equal-sized images on ...