该系统利用计算机控制D/A转换器及精密电阻分压器,输出标准电势作为被检仪表的信号源;
In the system, a computer is applied to adjust a D/A device and a precise voltage divider for criterion signal output.
上面这个电路的另一个优点在于,当电容c1充电完毕后,输入电阻将趋于无穷大,因此可以消除因信号源内阻产生的误差。
An additional advantage of this connection is that input resistance approaches infinity as the capacitor C1 approaches full charge, eliminating errors due to loading of the source resistance.
目的研制用于电阻抗断层成像系统的信号源,提高现有系统的高频特性,同时降低其噪声水平。
A new signal source for electric impedance tomography system is developed to improve the high-frequency performance and to reduce the noise level of the old one.
为减小信号源负载和不限制电位器信号带宽,应选择高端局间电阻设备;
To minimize loading on the signal source and not limit the potentiometer's signal bandwidth, you should select a device with a high end-to-end resistance;
为减小信号源负载和不限制电位器信号带宽,应选择高端局间电阻设备;
To minimize loading on the signal source and not limit the potentiometer's signal bandwidth, you should select a device with a high end-to-end resistance;
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