Traditional way of AM signal demodulation is envelope detector or synchronism detector.

传统的AM调幅信号解调方法是同步检波和包络检波法。

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Compared with in vitro AM modulation modes, the demodulator adopts the diode peak envelope detector for demodulation.

相对于体外的AM调制方式，解调器采用二极管峰值包络检波进行解调。

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Under the control of computer, the ship crawl drives two probes which are arranged on both sides of the weld and move towards the weld. When a defect is scanned, the detector will alarm and make am...

该系统在计算机控制下，由爬行器带动双探头在焊缝两侧移动，发现缺陷即报警并标识，从而实现探伤作业自动化。

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