中文说明：应用背景应用于通信信号产生的基本函数，主要阐述的了ASK，FSK，QAM等调制方式的生成函数，能够实现8QAM，16QAM，64QAM等调制方式的时域信号，广泛应用于通信系统的方针与分析中。关键技术FSK ASK QAM等通信信号产生函数，可以通过输入频率，码元宽度，脉冲宽度等参数，对产生的控制信号进行控制，得到需要的通信信号。
English Description：
Application backgroundApplication in communication signal to generate the basic function, mainly expounds the ask, FSK and QAM modulation generating function, to achieve 8qam, 16QAM and 64QAM modulation signals in time domain, widely used in the communication system of the policy and analysis.Key TechnologyFSK ask QAM signal communication function, can through the input frequency, code width, pulse width and other parameters, carries on the control to the control signal is generated, the needs of communication signals.