You can't hear waves of such a high frequency. 如此高频(HF)率的声波是无法听到的。
Good DC current characteristics in high frequency and high temperature. 在高频(HF)和高温环境下具有良好的直流电流特性。
A method for high frequency pulse measurement of high voltage triggered vacuum switch is introduced in this paper. 介绍了一种高压真空触发开关导通瞬间高频(HF)脉冲电压的测量方法,并构建了相应的测量系统。
The sampling system that sample this high frequency signals is a high-speed data acquisition system. 对此例高频(HF)信号进行采样的系统,就是所谓的高速数据采集系统。
Abstract : In this paper, the failure analysis of a type of high frequency power transistor is introduced. 介绍了对某型号高频(HF)大功率晶体管进行的失效分析。