impulse excitation
111Shot noise — Photon noise simulation. Shot noise is a type of electronic noise that may be dominant when the finite number of particles that carry energy (such as electrons in an electronic circuit or photons in an optical device) is sufficiently small so… …
112Sonoluminescence — is the emission of short bursts of light from imploding bubbles in a liquid when excited by sound.HistoryThe effect was first discovered at the University of Cologne in 1934 as a result of work on sonar. H. Frenzel and H. Schultes put an… …
113Electronic engineering — is a discipline dealing with the behavior and effects of electrons (as in electron tubes and transistors) and with electronic devices, systems, or equipment.The term now also covers a large part of electrical engineering degree courses as studied …
114Premature ventricular contraction — Classification and external resources A premature ventricular contraction marked by the arrow. ICD 10 I …
115Excitatory postsynaptic potential — In neuroscience, an excitatory postsynaptic potential (EPSP) is a temporary depolarization of postsynaptic membrane potential caused by the flow of positively charged ions into the postsynaptic cell. They are the opposite of inhibitory… …
116Edgar Adrian, 1st Baron Adrian — Infobox Scientist name = Edgar Adrian, 1st Baron Adrian imagesize = 180px birth name = Edgar Douglas Adrian birth date = birth date|1889|11|30|df=y birth place = Hampstead, London, England death date = death date and… …
117Ventricular tachycardia — Classification and external resources ICD 10 I …
118Astrocyte — For the cell in the gastrointestinal tract, see Interstitial cell of Cajal. Neuron: Astrocyte Astrocytes can be visualized in culture because they express glial fibrillary acidic protein …
119Modal testing — is a form of vibration testing of an object whereby the natural (modal) frequencies, modal masses, modal damping ratios and mode shapes of the object under test are determined. A modal test consists of an acquisition phase and an analysis phase.… …
120History of aesthetics (pre-20th-century) — This description of the history of aesthetics before the twentieth century is based on an article from the 1911 edition of the Encyclopædia Britannica.Greek SpeculationsAncient Greece supplies us with the first important contributions to… …
