The underlying method is based on the simple wave solutions of a system of hyperbolic partial differential equations.
基本的方法是以双曲型偏微分方程组的简单波解为根据的。
This time the signal generator and more software-based, is essentially a microprocessor on the DAC program control, you can get all kinds of simple wave.
这时期的信号发生器多以软件为主，实质是采用微处理器对DAC的程序控制，就可以得到各种简单的波形。
This device can accomplish the measure of power quality index stipulated by national standard and has some other functions such as data showing, data saving, communicating, simple wave recording etc.
该装置可完成国标规定的电能质量指标的测量，并有数据显示、存储、通信和简单录波等功能。
This device can accomplish the measure of power quality index stipulated by national standard and has some other functions such as data showing, data saving, communicating, simple wave recording etc.
该装置可完成国标规定的电能质量指标的测量，并有数据显示、存储、通信和简单录波等功能。
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