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  2. Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Fourier_transform

    In physics, engineeringand mathematics, the Fourier transform(FT) is an integral transformthat takes a functionas input and outputs another function that describes the extent to which various frequencies are present in the original function. The output of the transform is a complex-valued function of frequency.

  3. Switzerland - Wikipedia

    en.wikipedia.org/wiki/Switzerland

    Switzerland has a stable, prosperous and high-tech economy. It is the world's wealthiest country per capita in multiple rankings. The country ranks as one of the least corrupt countries in the world, [124] [125] [126] while its banking sector is rated as "one of the most corrupt in the world". [127]

  4. Pakistan - Wikipedia

    en.wikipedia.org/wiki/Pakistan

    Pakistan,[e]officially the Islamic Republic of Pakistan,[f]is a country in South Asia. It is the fifth-most populous country, with a population of over 241.5 million, having the second-largest Muslim populationas of 2023.[8] Islamabadis the nation's capital, while Karachiis its largest cityand financial centre.

  5. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...

  6. Aurora - Wikipedia

    en.wikipedia.org/wiki/Aurora

    An aurora [a] ( pl. aurorae or auroras ), [b] also commonly known as the northern lights ( aurora borealis) or southern lights ( aurora australis ), [c] is a natural light display in Earth 's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic ).

  7. DisplayPort - Wikipedia

    en.wikipedia.org/wiki/DisplayPort

    DisplayPort connector. A DisplayPort port (top right) near an Ethernet port and a USB port. DisplayPort ( DP) is a proprietary [a] digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA). It is primarily used to connect a video source to a display ...

  8. Islam - Wikipedia

    en.wikipedia.org/wiki/Islam

    Islam ( / ˈɪzlɑːm, ˈɪzlæm / IZ-la (h)m; [7] Arabic: ٱلْإِسْلَام, romanized :al-Islām, IPA: [alʔɪsˈlaːm], lit.'submission [to the will of God]') is an Abrahamic monotheistic religion centered on the Quran and the teachings of Muhammad, the religion's founder.

  9. WhatsApp - Wikipedia

    en.wikipedia.org/wiki/WhatsApp

    WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [14] It allows users to send text, voice messages and video messages, [15] make voice and video calls, and share images, documents, user locations, and other content.