DDS Chip AD9850 has precise output frequency, small frequency interval, and high signal to noise ratio.
DDS芯片AD 9850具有输出频率精确、频率间隔小、易于调谐、信噪比高等优点。
The disadvantage of high precision frequency accuracy measurement method available is that an expensive high-resolution time interval counter is needed.
常用高精度校频算法的不足在于需要昂贵的高分辨时间间隔计数器。
Then, the limitations of the adaptive sampling interval technique are analyzed by taking into account the requirement for high frequency resynchronization.
然后，结合数据再同步的需求分析了频率自适应采样方法在高密度的相量同步情况下的局限性；
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