Its adaptability and good local performance of signal instantaneous frequency and amplitude, thus make the signal expressed as a real physical form.
它的自适应性和局域性能很好的表征信号的瞬时频率和幅度,从而将信号表示成具有实际物理意义的形式。
The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal.
利用简单的电路构成实时相位检测器,对干涉信号中的相位信号进行同步检测,最终获得实际振动的振幅频率。
The experiments indicate that the amplitude of plasma optic signal and fluctuation can be used as characteristic signal for real-time monitoring and control for titanium laser welding.
上述试验结果表明,可以用等离子体光信号的幅值高低和波动大小作为焊接质量实时监测和控制的特征信号。
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