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  2. Polskie Sieci Elektroenergetyczne - Wikipedia

    en.wikipedia.org/wiki/Polskie_Sieci...

    Polskie Sieci Elektroenergetyczne S.A. (abbreviated PSE) is an electricity transmission system operator in Poland and the sole operator of the country's high-voltage transmission lines. It is 100% owned by the State Treasury. Until 2007, PSE was a part of the PSE Group (now: Polska Grupa Energetyczna). [1]

  3. Pseudorandom generator - Wikipedia

    en.wikipedia.org/wiki/Pseudorandom_generator

    Noam Nisan (1992) showed that this derandomization can actually be achieved with a pseudorandom generator of seed length (⁡) that fools all (⁡)-space machines. Nisan's generator has been used by Saks and Zhou (1999) to show that probabilistic log-space computation can be simulated deterministically in space O ( log 1.5 ⁡ n ...

  4. String diagram - Wikipedia

    en.wikipedia.org/wiki/String_diagram

    String diagrams are a formal graphical language for representing morphisms in monoidal categories, or more generally 2-cells in 2-categories. They are a prominent tool in applied category theory . When interpreted in the monoidal category of vector spaces and linear maps with the tensor product , string diagrams are called tensor networks or ...

  5. Power over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Power_over_Ethernet

    PSE detects if the PD has the correct signature resistance of 19–26.5 kΩ. 2.7–10.1: Classification: PSE detects resistor indicating power range . 14.5–20.5: Mark 1: PD signals it is 802.3at-capable. PD presents a 0.25–4 mA load. — 7–10: Class 2: PSE outputs classification voltage again to indicate 802.3at capability. — 14.5–20. ...

  6. PSE-36 - Wikipedia

    en.wikipedia.org/wiki/PSE-36

    As far as activating PSE-36, there isn't however a separate bit from the one that turns on PSE. [10] As long the processor (as indicated by cpuid) and chipset support PSE-36, enabling PSE alone (by setting bit 4, PSE, of the system register CR4) allows the use of large 4 MB pages (in the 64 GB range) along with normal 4 KB pages (which are however restricted to the 4 GB range).

  7. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    PDF—Portable Document Format; PDH—Plesiochronous Digital Hierarchy; PDP—Programmed Data Processor; PE—Physical Extents; PE—Portable Executable; PERL—Practical Extraction and Reporting Language; PFA—Please Find Attachment; PG—Peripheral Gateway; PGA—Pin Grid Array; PGA—Programmable Gate Array; PGO—Profile-Guided Optimization

  8. String vibration - Wikipedia

    en.wikipedia.org/wiki/String_vibration

    Vibration, standing waves in a string. The fundamental and the first 5 overtones in the harmonic series. A vibration in a string is a wave. Resonance causes a vibrating string to produce a sound with constant frequency, i.e. constant pitch. If the length or tension of the string is correctly adjusted, the sound produced is a musical tone.

  9. Mersenne's laws - Wikipedia

    en.wikipedia.org/wiki/Mersenne's_laws

    If the tension on a string is ten lbs., it must be increased to 40 lbs. for a pitch an octave higher. [1] A string, tied at A, is kept in tension by W, a suspended weight, and two bridges, B and the movable bridge C, while D is a freely moving wheel; all allowing one to demonstrate Mersenne's laws regarding tension and length [1]