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  2. Incremental encoder - Wikipedia

    en.wikipedia.org/wiki/Incremental_encoder

    An incremental encoder is a linear or rotary electromechanical device that has two output signals, A and B, which issue pulses when the device is moved. [1] Together, the A and B signals indicate both the occurrence of and direction of movement. Many incremental encoders have an additional output signal, typically designated index [2] or Z, [3 ...

  3. Rotary encoder - Wikipedia

    en.wikipedia.org/wiki/Rotary_encoder

    A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to analog or digital output signals. There are two main types of rotary encoder: absolute and incremental. The output of an absolute encoder indicates the current shaft position, making it an angle ...

  4. Linear encoder - Wikipedia

    en.wikipedia.org/wiki/Linear_encoder

    A linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a digital readout (DRO) or motion controller. The encoder can be either incremental or absolute.

  5. Range coding - Wikipedia

    en.wikipedia.org/wiki/Range_coding

    Range coding (or range encoding) is an entropy coding method defined by G. Nigel N. Martin in a 1979 paper, [1] which effectively rediscovered the FIFO arithmetic code first introduced by Richard Clark Pasco in 1976. [2] Given a stream of symbols and their probabilities, a range coder produces a space-efficient stream of bits to represent these ...

  6. Entropy coding - Wikipedia

    en.wikipedia.org/wiki/Entropy_coding

    Entropy coding. In information theory, an entropy coding (or entropy encoding) is any lossless data compression method that attempts to approach the lower bound declared by Shannon's source coding theorem, which states that any lossless data compression method must have an expected code length greater than or equal to the entropy of the source.

  7. Numerical control - Wikipedia

    en.wikipedia.org/wiki/Numerical_control

    A CNC metal lathe with the door open. In machining, numerical control, also called computer numerical control ( CNC ), [1] is the automated control of tools by means of a computer. It is used to operate tools such as drills, lathes, mills, grinders, routers and 3D printers. CNC transforms a piece of material ( metal, plastic, wood, ceramic ...

  8. Implicit theories of intelligence - Wikipedia

    en.wikipedia.org/wiki/Implicit_theories_of...

    Entity theory vs. incremental theory. Carol Dweck identified two different mindsets regarding intelligence beliefs. The entity theory of intelligence refers to an individual's belief that abilities are fixed traits. For entity theorists, if perceived ability to perform a task is high, the perceived possibility for mastery is also high.

  9. Extreme learning machine - Wikipedia

    en.wikipedia.org/wiki/Extreme_learning_machine

    e. Extreme learning machines are feedforward neural networks for classification, regression, clustering, sparse approximation, compression and feature learning with a single layer or multiple layers of hidden nodes, where the parameters of hidden nodes (not just the weights connecting inputs to hidden nodes) need to be tuned.