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Computing device and method for analyzing scattering parameters passivity
Computing device and method for analyzing scattering parameters passivity
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机译:分析散射参数无源性的计算装置和方法
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摘要
A computing device and a method measures scattering parameters (S-parameters) values at ports of a circuit at different signal frequencies, and creates a non-common-pole rational function of S-parameters by applying a vector fitting algorithm to the S-parameters. A matrix of the non-common-pole rational function is converted to a state-space matrix, and the state-space matrix is substituted into a Hamiltonian matrix. The device and method further analyzes if eigenvalues of the Hamiltonian matrix have pure imaginaries, to determine if the non-common-pole rational function of the S-parameters satisfies a passivity requirement.
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