Integrates circuit devices are mounted on one or both surfaces of the circuit module those multi - layer structure is divided into three types of integration regions including inter - connection integration regions , basic passive device integration regions and high frequency passive device integration regions 积体电路元件安装在电路模组的一或两层的表层，其多层结构分成三种整合区域，包含内部接线整合区域、基本被动元件整合区域和高频被动元件整合区域。
The dynamic model of induction motor under - reference frame is approximated by its associated discrete circuit model with the trapezoidal algorithm , after linearized using the neoton - rapson algorithm , the contribution of induction motor model to the circuit " s nodal equation matrix is calculated 按照改进节点法的要求，异步电机采用-坐标系下的动态模型，使用梯形法求解微分方程，经过离散化和线性化，得出异步电机作为一个电路元件对电路矩阵方程的贡献。
The 6psd30 - 1 fuel injection pump test stand is the 1970 ' s product and leave unused . its electrical control part is made up of large discrete components with low - test sensitivity , inconvenient setting and adjustment , high trouble rate . moreover , its circuit components are aging and spoiled 6psd30 - 1型电子控制喷油泵试验台是七十年代的产品，其电气控制部分电路采用大量分立元件构成，测试灵敏度低，设定调整不方便，故障率高，而且电路元件大多老化、损坏，现处于闲置状态。
In chapter three , the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically . in this chapter , the mechanical impedance of piezoelectric shunt damping system is analyzed , and the parameters of the rlc piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect 研究了利用压电分流阻尼系统进行压电智能悬臂梁被动振动控制的方法，分析了压电分流阻尼系统的机械阻抗，并通过传递函数方法对rlc串联压电分流谐振电路元件的参数进行了优化，以使压电分流阻尼系统的阻尼效果达到最优。
3v / 1 . 2v switchechcapacitor ( sc ) dc - dc converter . by computer - aided tools , those including the topological structure of the conversion circuit , circuit devices , fabrication technology , and the dielectric material used in integrated capacitors are completely analyzed and optimized so as to search for effective approaches to improving the characteristics 本文着眼于单片集成3 . 3v 1 . 2v开关电容( sc ) dc - dc变换器输出特性的改善，利用计算机仿真手段，对变换电路的拓扑结构、电路元件、制造工艺、以及集成电容的介质材料等进行全面的优化分析，探索特性改善的有效途径。
