用射频测试系统，系统包括有频谱仪，功率计，信号源等，测试对象射频直放站。对话框显示-RF test system, the system including spectrum analyzer, power meter, signal sources, test RF Repeater object. Dialog box shows

在stm32f1系列实现频谱显示，文档内含远程学及注释-In stm32f1 series realized spectrum display, the document containing the remote learning and Notes