在设计中，以TL 494作为PWM产生电路输出控制信号，控制开关管的导通状况，在半桥反激式输出的基础上实现了电源的多路输出。
In the design, to produce circuit TL494 as a PWM output control signals, control of the on-switch situation, the half-bridge flyback output on the basis of the power of multi-output.
在模态分析的基础上，采用几何非线性有限元的分析方法，对悬索式管桥进行了横向风共振分析。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation.
在模态分析的基础上，采用几何非线性有限元的分析方法，对悬索式管桥进行了横向风共振分析。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation. The result show...
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