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  2. Boltzmann machine - Wikipedia

    en.wikipedia.org/wiki/Boltzmann_machine

    A deep Boltzmann machine (DBM) is a type of binary pairwise Markov random field ( undirected probabilistic graphical model) with multiple layers of hidden random variables. It is a network of symmetrically coupled stochastic binary units. It comprises a set of visible units and layers of hidden units .

  3. List of physics mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_physics_mnemonics

    List of physics mnemonics. A Magic Triangle image mnemonic - when the terms of Ohm's law are arranged in this configuration, covering the unknown gives the formula in terms of the remaining parameters. It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = πr 2h and τ = rF sinθ. When a variable with an exponent or in a ...

  4. Network analysis (electrical circuits) - Wikipedia

    en.wikipedia.org/wiki/Network_analysis...

    In electrical engineering and electronics, a network is a collection of interconnected components. Network analysis is the process of finding the voltages across, and the currents through, all network components. There are many techniques for calculating these values; however, for the most part, the techniques assume linear components.

  5. Networking hardware - Wikipedia

    en.wikipedia.org/wiki/Networking_hardware

    Networking hardware, also known as network equipment or computer networking devices, are electronic devices that are required for communication and interaction between devices on a computer network. Specifically, they mediate data transmission in a computer network. [ 1] Units which are the last receiver or generate data are called hosts, end ...

  6. Free-space optical communication - Wikipedia

    en.wikipedia.org/wiki/Free-space_optical...

    At the top right corner is a monocular for assisting the alignment of the two heads. Free-space optical communication ( FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar.

  7. Network topology - Wikipedia

    en.wikipedia.org/wiki/Network_topology

    Network topology is the topological [ 4] structure of a network and may be depicted physically or logically. It is an application of graph theory [ 3] wherein communicating devices are modeled as nodes and the connections between the devices are modeled as links or lines between the nodes. Physical topology is the placement of the various ...

  8. Percolation theory - Wikipedia

    en.wikipedia.org/wiki/Percolation_theory

    Network science. In statistical physics and mathematics, percolation theory describes the behavior of a network when nodes or links are added. This is a geometric type of phase transition, since at a critical fraction of addition the network of small, disconnected clusters merge into significantly larger connected, so-called spanning clusters.

  9. Transmission medium - Wikipedia

    en.wikipedia.org/wiki/Transmission_medium

    A transmission medium is a system or substance that can mediate the propagation of signals for the purposes of telecommunication. Signals are typically imposed on a wave of some kind suitable for the chosen medium. For example, data can modulate sound, and a transmission medium for sounds may be air, but solids and liquids may also act as the ...