动态频率扫描试验
dynamic frequency sweep test
回归正交试验试验
regression-orthogonal design
变频试验电源
variable frequency power supply
超高频试验接收机
ultra-high frequency test receiver
电机变频试验电源网络系统
variable frequency power supply network system of motor
调频试验
frequency regulation test
光电混频试验
photoelectric mixing experiment
射频试验
Radio frequency injection
一次调频试验
primary frequency regulation test