“Nyquist stability theorem”的概念、定义、翻译、参考文献-科学参考

单词	Nyquist stability theorem
释义	Nyquist stability theorem [`nī´kwist stǝ`bil·ǝd·ē ´thir·ǝm] ^{CONTROL SYSTEMS} The theorem that the net number of counterclockwise rotations about the origin of the complex plane carried out by the value of an analytic function of a complex variable, as its argument is varied around the Nyquist contour, is equal to the number of poles of the variable in the right half-plane minus the number of zeros in the right half- plane. Also known as Nyquist stability criterion.
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