fundamental mode

'fundamental mode' can also refer to...

fundamental mode

fundamental mode

Probability density functions for radial anisotropy from fundamental mode surface wave data and the Neighbourhood Algorithm

Significance of the fundamental mantle rotational relaxation mode in polar wander simulations

Chemical and structural analysis of the Large Magellanic Cloud using the fundamental mode RR Lyrae stars

Fundamental leaking mode (PL) propagation along the Tonga—Kermadec—Hikurangi—Macquarie margin

Global anisotropic phase velocity maps for fundamental mode surface waves between 40 and 150 s

Fundamental and higher two-dimensional resonance modes of an Alpine valley

Global high-resolution phase velocity distributions of overtone and fundamental-mode surface waves determined by mode branch stripping

Non-linear pulsations in differentially rotating neutron stars: mass-shedding-induced damping and splitting of the fundamental mode

Fundamental parameters of RR Lyrae stars from multicolour photometry and Kurucz atmospheric models – II. Adaptation to double-mode stars

A new method for determining physical parameters of fundamental mode RR Lyrae stars from multicolour light curves

Part A Major Problems of International Criminal Justice, II Fundamentals of International Criminal Law, Modes of International Criminal Liability

Peculiar double-periodic pulsation in RR Lyrae stars of the OGLE collection – I. Long-period stars with dominant radial fundamental mode

Part Two Convention for the Protection of Human Rights and Fundamental Freedoms, s.III Miscellaneous provisions, Art.55 Exclusion of other means of dispute settlement/Renonciation à d’autres modes de règlement des différends


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The lowest frequency at which an oscillation occurs, or the lowest component of a complex vibration. Whole-number multiples of the fundamental frequency are known as overtones or harmonics, and are present in many types of pulsating variable. In stars such as RR Lyraes and Cepheids, for example, the fundamental mode of radial pulsation is the simple periodic expansion and contraction of the star's outer layers. More complex vibrational modes can exist, known in turn as the first overtone mode or harmonic, and so on. See also Overtone Mode; Pulsation Mode.

Subjects: Astronomy and Astrophysics.

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