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  2. Two-wire circuit - Wikipedia

    en.wikipedia.org/wiki/Two-wire_circuit

    A modern line card has no two-to-four wire conversion whatsoever; it is strictly an analog/digital interface to a system that has a completely digital and integrated signal path internally. Using actual wires to circuit switch a telephone call became obsolete when the crossbar switch (a mechanical system) was replaced by 4ESS electronic ...

  3. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    The XML Spreadsheet format introduced in Excel 2002 [35] is a simple, XML based format missing some more advanced features like storage of VBA macros. Though the intended file extension for this format is .xml, the program also correctly handles XML files with .xls extension.

  4. Wire protocol - Wikipedia

    en.wikipedia.org/wiki/Wire_protocol

    The wire protocol may be either text-based or a binary protocol. Although an important architectural decision, this is a separate matter from the distinction between wire protocols and programmatic APIs. In electronics, a wire protocol is the mechanism used to transmit data from one point to another. [1]

  5. 2Wire - Wikipedia

    en.wikipedia.org/wiki/2Wire

    2Wire produces a series of residential gateways under the HomePortal name that enable home networking with interfaces that range from ADSL 2+ to fiber to the node (VDSL 1 and 2), as well as FTTP. The gateways are based on integrated system-on-a-chip architectures, and have native TR-069 support, as well as support for HomePNA , MoCA , USB , 802 ...

  6. Numerical Electromagnetics Code - Wikipedia

    en.wikipedia.org/wiki/Numerical_Electromagnetics...

    A common example is to run the entire calculation suite for different input frequencies, and then plot samples on a single chart. One might use this to sample through the UHF television frequencies, for instance, producing a diagram that illustrates the gain across the band. Another common feature is an iterative solver that adjusts a given ...

  7. Symbolic Link (SYLK) - Wikipedia

    en.wikipedia.org/wiki/SYmbolic_LinK_(SYLK)

    P formatting Excel style cell format specification; F record Use: Format If P record(s) are present, follows them. Possible fields: X column column (one based) Y row row (one based) C column column (one based) R row row (one based) F format Cell/row/column format The format of format is ch1 digits ch2 ch1 is D default C currency E exponent F ...

  8. Transfer function - Wikipedia

    en.wikipedia.org/wiki/Transfer_function

    The steady-state response is the output of the system in the limit of infinite time, and the transient response is the difference between the response and the steady-state response; it corresponds to the homogeneous solution of the differential equation. The transfer function for an LTI system may be written as the product:

  9. Unfolding (DSP implementation) - Wikipedia

    en.wikipedia.org/wiki/Unfolding_(DSP_implementation)

    Unfolding is a transformation technique of duplicating the functional blocks to increase the throughput of the DSP program in such a way that preserves its functional behavior at its outputs. Unfolding was first proposed by Keshab K. Parhi and David G. Messerschmitt in 1989. [1] [2] Unfolding in general program is as known as Loop unrolling.