谱分析法和正弦拟合法是ADC动态特性测试的两种常用方法。
The spectrum analysis and sine wave curve fitting are the most common methods used for ADC dynamic performance tests.
为了提高测量的准确度，论文研究了一种新的计算方法即高阶正弦拟合法。
The accuracy can be improved with a new method, the higher order sine fitting algorithm.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法，对两种算法的分析和比较有利于它们在实际中的应用。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
四参数正弦波拟合法是一种在精密测量中广泛使用的数学手段。
Sinusoid curve fit is a very useful method in precise measurement, based on the modeling measurement.
介绍了数据采集系统单扫描采集速率的一种简单实用的精确评价方法，即正弦波曲线拟合法。
A simple and useful evaluation method for the single scanning sampling rates of data acquisition system is presented. It utilizes the sinusoid curve fit method.
通过使用一个周期的正弦波曲线模型的滑动拟合法，实现了正弦载波相位调制信号波形的精确解调。
By using moving one period sine wave model, the precise demodulation of PM signal wave is achieved.
使用一个周期的正弦波曲线模型的滑动拟合法，评价了幅度、频率、直流偏移的抖动，以及相位与理论值之偏差的抖动情况。
By using moving one period sine wave model, the jitters of amplitude, frequency, phase, and offset of sine wave are evaluated.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
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