Upon reception of a burst detection start trigger signal, a gain control signal is output to an automatic gain control amplifier (201) so as to perform amplification with a maximum value.
当接收到短脉冲检测开始触发信号时,向自动增益控制放大器(201)输出一个增益控制信号,以便用最大值进行放大。
The introduction of Automatic Gain Control (AGC) method can adjust the total magnification at the range of 10 000 when the output signal amplitude is relatively stable.
设计中引入自动增益控制(agc)方法,在满足输出信号幅度相对稳定的情况下,调整总放大倍数在10 000倍范围内变化。
For overcoming the shortcoming of narrow output dynamic range of the electronic-amplifying seismograph, the Authors have designed a kind of circuit for automatic gain control.
鉴于测震中电子放大地震仪放大器的输出动态范围窄的缺陷,笔者作了自动换档衰减放大倍数的电路技术设计。
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