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111Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …
112History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …
113Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …
114Delta modulation — Principle of the delta PWM. The output signal (blue) is compared with the limits (green). These limits correspond to the reference signal (red), offset by a given value. Every time the output signal reaches one of the limits, the PWM signal… …
115Vector quantization — is a classical quantization technique from signal processing which allows the modeling of probability density functions by the distribution of prototype vectors. It was originally used for data compression. It works by dividing a large set of… …
116Discrete wavelet transform — An example of the 2D discrete wavelet transform that is used in JPEG2000. The original image is high pass filtered, yielding the three large images, each describing local changes in brightness (details) in the original image. It is then low pass… …
117Electricity meter — Typical North American domestic analog electricity meter …
118Double-Gauss lens — The double Gauss design with optical ray traces The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane. Contents 1 Design …
119FAUST (programming language) — Infobox programming language name = Faust caption = file ext = paradigm = Functional programming year = 2002 designer = Yann Orlarey, Dominique Fober, Stéfane Letz developer = latest release version = 0.9.9.4 latest release date = March 27 2008… …
120OpenRISC 1200 — Free software portal …
