借助芯片的捕获功能，计算信号的实时频率，实现了整周期采样，保证了数字信号处理的精度。
The integral period sampling, which is realized by realtime frequency calculation and voltage capture function of IC chip, is necessary for precise digital signal processing.
检校应用研究分为三个部分：数字信号源的校准研究、测量误差分析及最佳测量周期的确定。
The application research will include three parts: research on the calibration of digital signal source, error analysis and the best calibration interval.
利用计算机产生精确的数字信号，再将数字信号转换成模拟信号，以获得准确的反应堆周期电流信号。
An accurate digital signal is generated by computer and converted to analog, then precise reactor current signal is acquired.
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