本文以区域分析理论为工具,提出分次谐波共振过电压的一个近似解析公式。
In this paper, a formula of approximate analytic solution of subharmonic resonant overvoltage is established according to the theory of region analysis.
本文给出近似解析公式,确定空气动力迟滞引起的飞机横航向极限环振荡特性。
This paper presents an approximate analytic method which determines the characteristics of aircraft lateral-directional limit cycle oscillation induced by aerodynamic hysteresis.
而后求出了系统固有频率的近似解析公式,同时也得到了极限流速的近似解析公式。
Then approximate analytic formula of system frequency are obtained. Meanwhile, approximate analytic formulation of limit velocity is obtained.
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