To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
研究非线性调频信号波形设计方法。依据相位逗留原理，采用动态优选法，给出了一种改进的非线性调频信号波形设计方法。
By means of separated model and appling system control theory, dynamic system characteristic equations of describing two-phase flow instability are derived.
根据分相模型运用系统控制的方法导出了描述两相流不稳定性的动态系统特征方程序。
By means of separated model and appling system control theory, dynamic system characteristic equations of describing two-phase flow instability are derived.
根据分相模型运用系统控制的方法导出了描述两相流不稳定性的动态系统特征方程序。
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