self-excited oscillator - определение. Что такое self-excited oscillator
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Что (кто) такое self-excited oscillator - определение

Self oscillation; Self-exciting oscillation; Self‑oscillation; Self-oscillator
  • Schematic representation of a self-oscillation as a positive feedback loop.  The oscillator ''V'' produces a feedback signal ''B''.  The controller at ''R'' uses this signal to modulate the external power ''S'' that acts on the oscillator.  If the power is modulated in phase with the oscillator's velocity, a negative damping is established and the oscillation grows until limited by nonlinearities.
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Self-oscillation         
Self-oscillation is the generation and maintenance of a periodic motion by a source of power that lacks any corresponding periodicity. The oscillator itself controls the phase with which the external power acts on it.
Clapp oscillator         
ELECTRONIC OSCILLATOR
Gouriet oscillator
The Clapp oscillator or Gouriet oscillator is an LC electronic oscillator that uses a particular combination of an inductor and three capacitors to set the oscillator's frequency. LC oscillators use a transistor (or vacuum tube or other gain element) and a positive feedback network.
Excited delirium         
DISPUTED MEDICAL CONDITION ACCOMPANIED BY EXTREME AGITATION AND DELIRIUM
Excited delerium; Excited Syndrome; Agitated delirium; Excited delirium syndrome; Bells' mania; Severe agitation; Excited dilirium
Excited delirium (ExDS), also known as agitated delirium (AgDS), is a controversial diagnosis sometimes characterized as a potentially fatal state of extreme agitation and delirium. It is typically diagnosed postmortem in young adult males, disproportionally black men, who were physically restrained at the time of death, most often by law enforcement personnel.
Quantum harmonic oscillator         
  • Time evolution of the probability distribution (and phase, shown as color) of a coherent state with |''α''|=3.
  • Superposition of three oscillating dipoles- illustrate the time propagation of the common wave function for different n,l,m
  • Another illustration of the time propagation of the common wave function for three different atoms emphasizes the effect of the angular momentum on the distribution behavior
QUANTUM MECHANICAL MODEL OF A PARTICLE IN A HARMONIC POTENTIAL WELL
Quantum vibration; QHO; Quantum mechanical harmonic oscillator; Quadratic potential; Harmonic potential; Quantum oscillator; Harmonic oscillator (quantum); Quantum-mechanical harmonic oscillator; Time-dependent quantum harmonic oscillator with an applied linear electric field; Linear harmonic oscillator; Quantum harmonic oscillators
The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary smooth potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics.
Excited         
WIKIMEDIA DISAMBIGUATION PAGE
Excited (song); Excited (disambiguation)
·Impf & ·p.p. of Excite.
excited         
WIKIMEDIA DISAMBIGUATION PAGE
Excited (song); Excited (disambiguation)
1.
If you are excited, you are so happy that you cannot relax, especially because you are thinking about something pleasant that is going to happen to you.
I'm very excited about the possibility of playing for England's first team...
I was so excited when I went to sign the paperwork I could hardly write.
ADJ: usu v-link ADJ, oft ADJ about n
excitedly
'You're coming?' he said excitedly. 'That's fantastic! That's incredible!'
ADV: ADV with v
2.
If you are excited, you are very worried or angry about something, and so you are very alert and cannot relax.
I don't think there's any reason to get excited about inflation...
= agitated
ADJ
excitedly
Larry rose excitedly to the edge of his seat, shook a fist at us and spat.
ADV: ADV with v
excited         
WIKIMEDIA DISAMBIGUATION PAGE
Excited (song); Excited (disambiguation)
adj.
1) excited about, at, over (to get excited about smt.)
2) excited to + inf. (she was excited to learn the news)
Optical parametric oscillator         
  • Infrared optical parametric oscillator
  • KTP]] crystals in an OPO
PARAMETRIC OSCILLATOR THAT OSCILLATES AT OPTICAL FREQUENCIES
Optical Parametric Oscillator; Optical parametric oscillation
An optical parametric oscillator (OPO) is a parametric oscillator that oscillates at optical frequencies. It converts an input laser wave (called "pump") with frequency \omega_p into two output waves of lower frequency (\omega_s, \omega_i) by means of second-order nonlinear optical interaction.
Dynatron oscillator         
  • Dynatron oscillator circuit
ELECTRONIC CIRCUIT THAT DO NOT USE FEEDBACK TO GENERATE OSCILLATIONS, BUT NEGATIVE RESISTANCE
NDR oscillator; Transitron oscillator
In electronics, the dynatron oscillator, invented in 1918 by Albert Hull at General Electric, is an obsolete vacuum tube electronic oscillator circuit which uses a negative resistance characteristic in early tetrode vacuum tubes, caused by a process called secondary emission. on Peter Millet's Tubebooks website It was the first negative resistance vacuum tube oscillator.
self-hatred         
HATRED OF ONESELF
Self-hate; Self-loathing; Self-hating gay; Self hate; Self hatred; Self loathing; Self Hatred; Self-revulsion; Self-contempt; Self contempt; Self-hating; Self hating; Self-hated; Self hated; Self-hates; Self hates; Self hater; Self-loathe; Self loathe; Self loathes; Hate oneself; Self phobia; Self-hating Catholic
(also self-hate)
¦ noun intense dislike of oneself.

Википедия

Self-oscillation

Self-oscillation is the generation and maintenance of a periodic motion by a source of power that lacks any corresponding periodicity. The oscillator itself controls the phase with which the external power acts on it. Self-oscillators are therefore distinct from forced and parametric resonators, in which the power that sustains the motion must be modulated externally.

In linear systems, self-oscillation appears as an instability associated with a negative damping term, which causes small perturbations to grow exponentially in amplitude. This negative damping is due to a positive feedback between the oscillation and the modulation of the external source of power. The amplitude and waveform of steady self-oscillations are determined by the nonlinear characteristics of the system.

Self-oscillations are important in physics, engineering, biology, and economics.