The feedforward method has been discussed in detail combined with the modern communication system application including principle, mathematic model and software simulation.
结合现代移动通信对功率放大器的要求对前馈法做出了具体的分析：包括工作原理、数学模型、软件仿真等。
This paper descripes simulation of some kinds transducers using a microcomputer based on the finite element method and sets up the clear mathematic models for the optimum designs.
通过微型计算机，用有限元法计算某类传感器，为优化设计建立一个清晰的数学模型。
Why dynamic high type control method can improve tracking precision is analyzed in theory and effects on dynamic performances of the method are analyzed, too. A mathematic simulation is carried out.
从理论上分析了动态高型控制方法之所以能够提高跟踪精度的原因及其对系统动态性能的影响，并对该方法进行了仿真研究。
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