enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Contrast (vision) - Wikipedia

    en.wikipedia.org/wiki/Contrast_(vision)

    A separate study by Knoll et al [25] investigated thresholds for point sources by requiring subjects to vary the brightness of the source to find the level at which it was just visible. A mathematical formula for the resulting threshold curve was proposed by Hecht , [ 26 ] with separate branches for scotopic and photopic vision.

  3. Boost converter - Wikipedia

    en.wikipedia.org/wiki/Boost_converter

    A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input to its output . It is a class of switched-mode power supply (SMPS) containing at least two semiconductors, a diode and a transistor , and at least one energy storage element: a capacitor , inductor , or the two in ...

  4. B-mode - Wikipedia

    en.wikipedia.org/wiki/B-mode

    B-mode may refer to: . B-mode (brightness mode) image, a two-dimensional ultrasound image and the most common type; B-modes, a pattern of polarized light originating from the Big Bang possessing a "handedness" to the pattern of polarization due to gravitational wave's anisotropic stretching of space - and unlike E-mode polarization pattern which is highly symmetrical

  5. Brightness - Wikipedia

    en.wikipedia.org/wiki/Brightness

    Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light. [1] In other words, brightness is the perception elicited by the luminance of a visual target.

  6. Magic eye tube - Wikipedia

    en.wikipedia.org/wiki/Magic_eye_tube

    EM34 tuning eye EM84 tuning indicator. A magic eye tube or tuning indicator, in technical literature called an electron-ray indicator tube, [1] is a vacuum tube which gives a visual indication of the amplitude of an electronic signal, such as an audio output, radio-frequency signal strength, or other functions. [1]

  7. List of Xbox One X enhanced games - Wikipedia

    en.wikipedia.org/wiki/List_of_Xbox_One_X...

    The game enhancement descriptions as shown in Xbox One game packaging. Xbox One X enhanced (declaration) – Games that are said to be Xbox One X Enhanced offer one or more of the following benefits over non-Enhanced editions: