Flexibility 发表于 2025-3-21 16:41:44
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Van der Pol’s Prototype Equation: , Cartan, Van der Pol, Liénarderiod of the sound emitted by a singing arc provided by Thomson’s formula (.) should be modified, depending on a relation which he established (see . Tableau 1.1). Twenty years later, Blondel (.) and Van der Pol (.) also demonstrated that in the case of the triode the presence of resistance introducSpina-Bifida 发表于 2025-3-22 08:08:33
Van der Pol’s Lectures: ,928a,b, ., ., ., 1938a,b) in numerous publications. It originated in the oscillatory behaviour of a radio engineering device: Abraham and Bloch’s multivibrator ( 1916a,b,c,e) (see . Part I). Indeed, for some parameter values the period of oscillations in this system, just as with the ., the ., the .命令变成大炮 发表于 2025-3-22 08:52:15
Andronov’s Notes: ,Technical Institute, which offered specialist courses in radiotechnics. The following year, he attended lectures on physico-mathematics at the Moscow State University. In 1924 he was appointed assistant at the State Educational Institute in Moscow, where he taught Mechanics and Theoretical Physics.馆长 发表于 2025-3-22 14:18:59
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