This paper expounded the working principle of PC-based Arbitrary Waveform Generator(AWG),analysed the reasons of frequency error,Waveform error and waveform distortion of AWG. The methods to estimate the errors are discussed,and some technical measures to reduce the errors are proposed.
本文简述了基于微机的任意波形产生器的工作原理，分析了任意波形产生器产生频率误差、波形误差和波形失真的原因，并讨论了各种误差的计算方法，提出了减少误差和波形失真的技术措施。
参考来源 - 基于微机任意波形产生器系统误差的分析计算 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
The experimental results show that the algorithm is simple and can compensate the modulated waveform error due to DAC signal reconstruction.
实验结果表明该算法简单方便，能有效补偿DAC带来的波形调制误差。
Due to the subtle error among different manufacturing equipment, the gate delay of circuits is different and varies in a given scope, which induces the time uncertainty of the waveform.
由于制造设备本身存在微小误差，具体门的延时并不相同，而是在一定范围内变化，引起波形变化的时间不确定。
The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
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