Pole zero measuring instrument of transfer function
专利汇可以提供Pole zero measuring instrument of transfer function专利检索，专利查询，专利分析的服务。并且PURPOSE:To minimize the error of a pole and zero point adjustment due to the non-linearity of the noise and the system response by assembling the measured value of a stimulus signal and a response signal and measuring a self spectrum and an overlap spectrum as the average of assembling. CONSTITUTION:Two signals of a stimulus signal x (t) and a response signal y (t) are digitized, converted to the signal of the frequency area as X (fj) and Y (fj), and in respective measured values, a self spectrum and an overlap are measured as an assembling average, repeated many times and the influence of the noise and non-linearity is decreased. Using the recursive relation, a numerator denominator Chebyshev polynomial P(s) and Q(s) of a probable transfer function HE(s) is generated. By obtaining a weight function and matching it to the transfer function, the minimum square-law analysis is weighted: The coefficient of two Chebyshev polynomials is obtained by minimum square-law approximation weighted to the measured transfer function by the probable transfer function. If the approximation is not sufficient, the degree is changed and the new coefficient is obtained, and if the approximation is sufficient, the Chebyshev polynomial is converted to an ordinary polynomial, a root is found and the pole and zero are displayed.，下面是Pole zero measuring instrument of transfer function专利的具体信息内容。
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