本系统以51单片机及FPGA为控制核心,由正弦信号发生模块、功率放大模块、调幅(AM)、调频(FM)模块、数字键控(ASK,PSK)模块以及测试信号发生模块组成-The system of 51 single-chip and FPGA for the control of the core module by the sinusoidal signal, power amplifier module, AM (AM), frequency modulation (FM) module, dig