Evaluation of parameters at critical oscillations can be obtained by measuring the amplitudes and the periods therein;
通过测取振荡波形的振幅和周期，求取系统临界振荡的参数。
The criterion for the evaluation of parameters calculating quality and the calculating method and expressing form for the basis of evaluation.
给出了要素解算质量评估标准、评估依据的实现方法和表现形式。
By two groups imitation experiments, the correctness and practicability of this method is proved, so the precise evaluation of parameters of sine waves is realized.
以两组仿真实验结果，验证了本文所述方法及过程的正确性和实用性，从而实现了正弦波形参数的精确评价。
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