audio frequency amplification 声频放大
high-frequency amplification [电子] 高频放大
low frequency amplification 频大
high frequency amplification receiver 高放式接收机
ultra-high frequency amplification 超高频放大
intermediate frequency amplification 中频放大
low-frequency amplification 低频放大
carrier frequency amplification 载频放大
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
功率放大器可以实现交流信号的准确跟踪和放大，输出频率范围可达1000赫兹。
Mechanism of the oscillation instability is then illuminated in frequency domain by amplification at the artificial boundary and multi-reflection of wave motion in a finite discrete model.
根据波在人工边界的放大效应和在有限离散模型中多次反射的概念在频域内阐明了这一常见的振荡失稳的机制。
Its parameters can be regulated by keyboard in order to control amplification and cutoff frequency by step.
通过键盘设置参数，实现放大器放大增益步进调节、滤波器带通频率步进调节功能。
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