dapper
发表于 2025-3-25 03:44:04
Properties of Waves with Small Amplitudes in Continuous Mediamena permit a hydrodynamic description. This clearly includes fluids and gases, but it also includes plasmas and plasma-like media (such as charged particle beams), during the analysis of which kinetic effects can either be ignored or allowed for phenomenologically. We shall examine waves known from
NOMAD
发表于 2025-3-25 08:59:56
Stability and Instability of Linear Systems with Discrete Spectrawhat is being discussed. The subject may be the stability of the system as a whole, the stability of its completely defined motion (trajectory or solution), or the stability of the equilibrium, etc. There are even different types of stability and instability. There may be stability in the large, whi
Initial
发表于 2025-3-25 11:56:32
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Certainty
发表于 2025-3-25 16:45:55
Energy and Momentum of Waves significant in sea waves, which are able to move huge boulders during storms, or comparatively small, for instance electromagnetic waves of light, reaching the Earth from the Sun (power per square of surface of ~ 1 kW/m). Like moving particles, waves have momentum. However the existence of wave mom
cogent
发表于 2025-3-25 23:08:31
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一致性
发表于 2025-3-26 00:44:16
Adiabatic Invariants. Propagation of Waves in Inhomogeneous Mediaen there is practically no instability. The instability zone becomes narrower as the ratio .. /..) increases. This case of a very slow, adiabatic, change in the parameter (of which an example is the oscillation of a pendulum whose length is changing slowly) is very interesting for a discussion of os
伴随而来
发表于 2025-3-26 05:46:34
Periodic Self-Excited Oscillationsation, heating etc.), and usually the system is not energetically isolated: various external forces and fields act upon it, both static and variable. There are several new (with respect to conservative systems) phenomena which arise in dissipative systems in which the oscillation energy is both diss
Aura231
发表于 2025-3-26 09:31:46
Self-Excited Oscillations in Multifrequency Systemscts typical of the interactions between “elementary generators” had been observed, e.g., effects we considered in the previous chapter for the Van der Pol generator such as mode competition, synchronization, and frequency pulling . It was interesting that because of the nonlinearity in the
painkillers
发表于 2025-3-26 14:17:19
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ULCER
发表于 2025-3-26 19:44:32
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