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We explore the performance of a recursive least-squares algorithm to determine the bandwidth ₁₂ and the detuning of a superconducting cavity. We base the simulations on the parameters of the European Spallation Source double-spoke cavities. Expressions for the signal-to-noise ratio of derived parameters are given to explore the applicability of the algorithm to other configurations.
Volker Ziemann (Tue,) studied this question.