文章主要介绍程控正弦功率电压源和电流源校表仪的原理。
This paper describes the principle of sin voltage source and current source that can be programme controlled.
根据小波分析理论，针对无源北斗导航定位系统初始校频问题，提出了一种基于小波分析的信号特征提取算法。
According to wavelet analysis theory, a signal picking up algorithm based on wavelet analysis is proposed to solve problem of passive CNS initial frequency calibration.
从理论上分析，设计的校相信号模拟源完全能满足系统自动校相的精度要求。
And the theoretic analyze shows this signal simulating source could fully meet the control accuracy requirement for system auto phase correction.
钳形电流表理想的校准方法是用标准电流源对一根无限长导线加测试电流，并使该导线垂直穿过被校钳形表的几何中心。
An infinite wire carrying standard high current perpendicular to the geometric center of the clamp ammeter should be the ideal method for the clamp ammeters calibration.
去年6月1日晚上，某校信息学院电信0602班的小源和她的室友们都收到了来自不同朋友送来的棒棒糖，惊喜之情溢于言表。
In the evening of June 1 of last year, Xiaoyuan and her roommates of Information College of a university received sugar-loaf from different friends, making them surprised.
去年6月1日晚上，某校信息学院电信0602班的小源和她的室友们都收到了来自不同朋友送来的棒棒糖，惊喜之情溢于言表。
In the evening of June 1 of last year, Xiaoyuan and her roommates of Information College of a university received sugar-loaf from different friends, making them surprised.
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