An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 25 Search : noise
speckle noise
  نوفه‌ی ِ پکال   
nufe-ye pakâl

Fr.: bruit de tavelures   

An image defect associated with the → speckle phenomenon.

→ speckle; → noise.

stationary noise
  نوفه‌ی ِ ایست‌ور   
nufe-ye istvar

Fr.: bruit stationnaire   

Electronics: A random noise whose intensity remains constant with time.

→ stationary; → noise.

system noise
  نوفه‌ی ِ راژمان   
nufe-ye râžmân

Fr.: bruit de système   

The noise in a radio telescope, composed of the receiver noise and the sky noise.

→ system; → noise.

thermal noise
  نوفه‌ی ِ گرمایی   
nufe-ye garmâyi (#)

Fr.: bruit thermique   

Electric noise signals that are produced by the random thermal motion of charges in circuit.

→ thermal; → noise.

white noise
  نوفه‌ی ِ سفید   
nufe-ye sefid

Fr.: bruit blanc   

A random signal that has a relatively wide continuous range of frequencies of uniform intensity.

→ white; → noise.


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