Encyclopedia > Specific detectivity

  Article Content

Specific detectivity

Specific detectivity: For a photodetector[?], a figure of merit used to characterize performance, equal to the reciprocal of noise equivalent power (NEP ), normalized to unit area and unit bandwidth.

Note: Specific detectivity[?], D *, is given by where A is the area of the photosensitive region of the detector and Δf is the effective noise bandwidth. Synonym D-Star.

Source: from Federal Standard 1037C

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Antoni van Leeuwenhoek

... flow in capillaries (small blood vessels). During his lifetime Van Leeuwenhoek carved over 500 optical lenses. His microscope was used and improved by Christiaa ...