• Thumbnail for Neper
    The neper (symbol: Np) is a logarithmic unit for ratios of measurements of physical field and power quantities, such as gain and loss of electronic signals...
    8 KB (886 words) - 22:22, 30 January 2024
  • Thumbnail for Neper (mythology)
    In ancient Egyptian religion, Neper (alts. Nepra or Nepri) was a god of grain. His female counterpart was Nepit, the goddess of grain. His consort may...
    3 KB (244 words) - 13:48, 12 July 2024
  • Thumbnail for Neper (crater)
    Neper is an old lunar impact crater located near the eastern limb of the Moon. Due to its location the crater must be viewed during a suitable libration...
    6 KB (458 words) - 02:10, 26 January 2024
  • Thumbnail for Logarithmic scale
    of earthquakes and movement in the Earth Sound level, with units decibel Neper for amplitude, field and power quantities Frequency level, with units cent...
    13 KB (1,223 words) - 17:56, 8 September 2024
  • Neper is a logarithmic unit of ratio. Neper may also refer to: John Napier, a Scottish mathematician Neper (crater), a lunar impact crater Neper (mythology)...
    267 bytes (61 words) - 05:33, 13 August 2014
  • Thumbnail for John Napier
    John Napier (redirect from John Neper)
    John Napier of Merchiston (/ˈneɪpiər/ NAY-pee-ər; Latinized as Ioannes Neper; 1 February 1550 – 4 April 1617), nicknamed Marvellous Merchiston, was a...
    33 KB (4,200 words) - 23:11, 7 September 2024
  • one-tenth of a bel: 1 dB = 0.1 B. The bel (B) is 1⁄2 ln(10) nepers: 1 B = 1⁄2 ln(10) Np. The neper is the change in the level of a root-power quantity when...
    75 KB (9,095 words) - 18:45, 17 August 2024
  • Thumbnail for Spherical trigonometry
    Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles...
    39 KB (6,560 words) - 21:22, 3 August 2024
  • Thumbnail for Tacchini (crater)
    Tacchini. It lies just to the south of the prominent crater Neper, and was designated Neper K before being given its current name by the IAU. To the west-southwest...
    5 KB (363 words) - 02:23, 26 January 2024
  • the real part of the propagation constant and is measured in nepers per metre. A neper is approximately 8.7 dB. Attenuation constant can be defined by...
    16 KB (2,353 words) - 18:09, 12 April 2024
  • metric sizes 1-2-5 series E series (preferred numbers) Logarithm Decibel Neper Phon Nominal Pipe Size (NPS) Geometric progression ISO 3:1973-04 - Preferred...
    25 KB (1,916 words) - 13:28, 17 August 2024
  • Thumbnail for Phon
    Logarithmen, Normzahlen, Dezibel, Neper, Phon - natürlich verwandt! [Logarithms, preferred numbers, decibel, neper, phon - naturally related!] (PDF) (in...
    4 KB (484 words) - 08:22, 5 May 2024
  • of a sound relative to a reference value. It is denoted LI, expressed in nepers, bels, or decibels, and defined by L I = 1 2 ln ⁡ ( I I 0 ) N p = log 10...
    10 KB (1,578 words) - 07:57, 9 October 2023
  • Thumbnail for Virchow (crater)
    that is located on the northwestern interior floor of the prominent crater Neper. The latter formation lies near the eastern limb of the Moon, along the...
    4 KB (377 words) - 06:28, 12 April 2024
  • Thumbnail for Hapi (Nile god)
    considered a "friend of Geb", the Egyptian god of the earth, and the "lord of Neper", the god of grain. Although male and wearing the false beard, Hapi was...
    7 KB (738 words) - 17:19, 8 July 2024
  • P is the sound power; P0 is the reference sound power; 1 Np = 1 is the neper; 1 B = ⁠1/2⁠ ln 10 is the bel; 1 dB = ⁠1/20⁠ ln 10 is the decibel. The commonly...
    13 KB (1,619 words) - 06:12, 11 October 2023
  • Tayet, and Taytet) was an Egyptian goddess. Some attest her husband was Neper while others state she was possibly the consort of Hedjhotep. Tayt was the...
    5 KB (593 words) - 17:00, 28 June 2024
  • Logarithmen, Normzahlen, Dezibel, Neper, Phon - natürlich verwandt! [Logarithms, preferred numbers, decibel, neper, phon - naturally related!] (PDF) (in...
    24 KB (2,827 words) - 21:18, 22 April 2024
  • inverse of the conductor's resistance), etc., with commonly used units neper (Np) or decibel (dB). The type of level and choice of units indicate the...
    9 KB (1,089 words) - 09:04, 15 April 2024
  • Thumbnail for Ra
    N Nebethetepet Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nekhbet Nemty Neper P Pakhet Perit Petbe Ptah Q Qebui Qed-her Qetesh R Ra Raet-Tawy Rekhyt Rem...
    27 KB (3,201 words) - 11:59, 21 August 2024
  • Thumbnail for Theiler (crater)
    the western Mare Marginis. To the southeast is the prominent walled plain Neper. Due to its location, Theiler is not always visible to observers on the...
    4 KB (292 words) - 16:00, 10 April 2024
  • particle velocity; v0 is the reference particle velocity; 1 Np = 1 is the neper; 1 B = ⁠1/2⁠ ln 10 is the bel; 1 dB = ⁠1/20⁠ ln 10 is the decibel. The commonly...
    7 KB (1,168 words) - 17:38, 24 August 2023
  • Thumbnail for Apep
    N Nebethetepet Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nemty Nekhbet Neper P Pakhet Perit Petbe Ptah Q Qebui Qed-her Qetesh R Ra Raet-Tawy Rekhyt Rem...
    10 KB (1,200 words) - 09:08, 31 August 2024
  • Thumbnail for Bastet
    N Nebethetepet Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nemty Nekhbet Neper P Pakhet Perit Petbe Ptah Q Qebui Qed-her Qetesh R Ra Raet-Tawy Rekhyt Rem...
    19 KB (2,251 words) - 11:49, 8 August 2024
  • Thumbnail for Weber–Fechner law
    Logarithmen, Normzahlen, Dezibel, Neper, Phon – natürlich verwandt! [Logarithms, preferred numbers, decibel, neper, phon – naturally related!] (PDF) (in...
    27 KB (3,276 words) - 05:43, 3 September 2024
  • Communications (IPC) NP junction or PN junction in a semiconductor device Neper (Np), a logarithmic unit for ratios Neptunium, a chemical element with symbol...
    2 KB (278 words) - 15:15, 29 July 2024
  • the original on 16 November 2022. Retrieved 15 November 2022. "Udhëtim nëpër fjalorin e Kosovës". Telegrafi (in Albanian). 19 July 2019. Archived from...
    351 KB (17,354 words) - 00:20, 10 September 2024
  • Thumbnail for Sekhmet
    N Nebethetepet Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nemty Nekhbet Neper P Pakhet Perit Petbe Ptah Q Qebui Qed-her Qetesh R Ra Raet-Tawy Rekhyt Rem...
    13 KB (1,505 words) - 20:36, 3 August 2024
  • Thumbnail for Isis
    N Nebethetepet Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nemty Nekhbet Neper P Pakhet Perit Petbe Ptah Q Qebui Qed-her Qetesh R Ra Raet-Tawy Rekhyt Rem...
    126 KB (16,452 words) - 22:17, 7 September 2024
  • Thumbnail for Index of Egyptian mythology articles
    Nebethetepet – Nebtuwi – Nefertem – Nehebkau – Neith – Nekhbet – Nemty – Neper – Nephthys – Nu – Nut – Osiris – Pakhet – Petbe – Ptah – Qebehsenuef – Qebui...
    5 KB (303 words) - 15:13, 13 April 2024