A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.
介绍了一种用来测量电能计量装置的时钟基频误差，并提供GPS标准时间以校准其实时时钟的新型工具。
With the error network parameters, the real network's input reflecting coefficient is revised and the measurement precision of measuring line system is improved.
利用误差网络参数，对被测网络的输入反射系数进行误差的自动校正，提高了测量线测试系统的测量精度。
The measuring results indicate that the accurate, real time and on line measuring of the roundness error can be realized.
测量结果表明，新的测量方法实现了圆度误差的实时精确在线测量。
The output signal of the invention can real-time respond the in situ soil salinity dynamic changes, no lag time, no measuring cumulative error;
本发明的输出信号对原位土壤盐分动态变化实时响应，无时间滞后，无测量累积误差；
The output signal of the invention can real-time respond the in situ soil salinity dynamic changes, no lag time, no measuring cumulative error;
本发明的输出信号对原位土壤盐分动态变化实时响应，无时间滞后，无测量累积误差；
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