摘要
直接数字式频率合成信号技术广泛应用于任意波形发生器中 ,笔者在分析了直接数字式频率合成信号杂散的主要来源的基础上 ,设计了分别针对合成的正弦信号、任意信号的两种滤波器 ,并给出了仿真和实际设计结果。
DDS(direct digital synthesis) is a new kind of frequency synthesizing technology that is widely applied in arbitrary waveform generator.Based on analysing the source of spurious signal,two type of filters are designed for sine wave signal and arbitrary wave signal.The results of experiment and application are presented in the end.
出处
《测控技术》
CSCD
2004年第9期14-16,共3页
Measurement & Control Technology
关键词
直接数字频率合成
相位截断误差
滤波器
direct digital frequency synthesis
phase truncation uncertainty
filter
