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在测量岩矿石标本的激电参数时,通常采用双向供电的观测方法。供电波形如图1所示。 笔者用PC-1500机作为供电信号源,再加上一些控制电路,做成了一台小功率、周期任意可调的双向供电发送器。通过数百块岩矿石标本的测量,证明它具有精度高、
In the measurement of rock ore samples of the parameters of the electricity, the commonly used two-way power supply observation method. Power supply waveform shown in Figure 1. I use the PC-1500 machine as a source of power supply, coupled with some control circuits, made a small power, adjustable periodic bi-directional power transmitter. Through the hundreds of rock ore specimens measured to prove it has high precision,