设计制作出一个幅值可调的恒流源及其测试系统，实现稳压二极管电压漂移参数的检测，至关重要。
To design and manufacture a constant-source with adjustable amplitude value and the test system, and to realize the examination of zener diode voltage drift parameter, is very important.
针对特定厚度浓度测试设备和云母纸参数要求，找出了不同浓度厚度数值对应的模拟量电压值和十六进制数。
Considering the given thickness and consistency, the analog voltage and the hexadecimal which correspond to different thick and consistence are tested out.
利用一个由恒流脉冲发生器和数据采集卡组成的简单测试系统测得制冷器在小电流下的电阻电压和塞贝克电压，通过这两个电压推导出ZT值、最大制冷温差。
The resistance and Seebeck voltages used to calculate the ZT and the maximum temperature difference are measured using a testing system composed of a DC pulse generator and a DAQ card.
根据数字万用表的测试原理，提出了用其测量非正弦波电压平均值、有效值及峰值的简单实用的方法。
According to the principles of numeration table, the author puts forward simple but practical methods of how to measure the mean values, virtual values and peak values of non sine waves.
所设计的电网参数测试仪可以测量功率因数、电压和电流的有效值、瞬时值等参数。
The tester designed can be used to measure the parameters, such as power factor, effective value of voltage and current, instantaneous value, etc.
测试中的暂态过电压、暂态电流最大值均未超过设计和规程允许值。
Measurement results show that the maximum values of the measured transient voltages and currents have not excessed the designed values and allowable values specified in the standards.
测试中的暂态过电压、暂态电流最大值均未超过设计和规程允许值。
Measurement results show that the maximum values of the measured transient voltages and currents have not excessed the designed values and allowable values specified in the standards.
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