The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.

频率估计公式包括采样序列DFT、相位差计算和频率计算。

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Aiming at the problem of on-line calculation to the temperature field for turbine rotor, the Crank-Nicolson finite-difference calculation model was given.

针对汽轮机转子温度场的在线求解问题，给出了克兰克·尼科尔森差分计算模型。

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Aiming at the problem of on-line calculation to the temperature field for turbine rotor, the Crank-Nicolson finite-difference calculation model was given.

针对汽轮机转子温度场的在线求解问题，给出了克兰克·尼科尔森差分计算模型。

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