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CPM调制是一种非线性有记忆调制方式,其信号内在的状态转移特性更适合于用有限状态机(FSM) 来描述。SPW的FSM Editor是一个简单易用的FSM建模工具,用其生成的FSM模型可以直接用 于SPW的BDE仿真环境中。本文给出了3RC-CPM信号的内在状态及其转移的分析,并对基于FSM Editor的建模过程进行了详细叙述,最后给出了完整的CPM调制器系统模型及其仿真波形。
CPM modulation is a non-linear, memory-modulated method whose intrinsic state transition characteristics are better suited for use with finite state machines (FSM). SPW’s FSM Editor is an easy-to-use FSM modeling tool with which the generated FSM model can be used directly in the SPW’s BDE simulation environment. In this paper, the internal state of 3RC-CPM signal and its transfer are analyzed, and the modeling process based on FSM Editor is described in detail. Finally, a complete CPM modulator system model and its simulation waveform are given.