An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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chirp
  چیرپ  
cirp
Fr.: compression d'impulsion  

  1. Telecommunications: A signal in which the wave frequency increases or decreases, linearly or exponentially, with time.

  2. Astro: The theoretically predicted → gravitational wave arising from the interaction of two highly → compact objects.
    As the two objects spiral toward each other, due to orbital energy loss, the frequency and amplitude of the gravitational wave will increase continuously.

Etymology (EN): Chirp “a short, high-pitched sound, such as that made by certain birds or insects,” from M.E. chirpen, of onomatopoeic origin.

Etymology (PE): Cirp loanword from E., as above.