It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
The early fault signal is very faint, low frequency appears more to pulse, easy to be interfered by the ambient noise even submerged.
早期故障信号非常微弱，多呈现低频脉动，容易受到噪声干扰甚至被环境噪声所淹没。
Thirdly, the TEM horn antenna which is used to receive pulse signal is designed in this part. For the low limited frequency, the TEM horn antenna is mainly designed to make it miniature.
再次，设计了用于脉冲接收的TEM喇叭天线，由于要求的下限频率较低，所以重点对TEM喇叭天线进行了小型化的设计；
The results show that this amplifier has a good amplification effect on the pulse signal at a low repetition frequency.
结果表明，本脉冲光纤放大器对低频脉冲信号有很好的放大效果。
The results show that this amplifier has a good amplification effect on the pulse signal at a low repetition frequency.
结果表明，本脉冲光纤放大器对低频脉冲信号有很好的放大效果。
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