DDS has both the advantages of high frequency resolution, rapid frequency change rate and low phase noise and the disadvantage of bad spur suppression performance with Max value of -65 dB.
DDS的优点是具有极高的分辨率、频率转换速率快、相位噪声低等；缺点是杂散度抑制比性能差，很难做到- 65d B。
DDS has both the advantages of high frequency resolution, rapid frequency change rate and low phase noise and the disadvantage of bad spur suppression performance with Max value of -65 dB.
DDS的优点是具有极高的分辨率、频率转换速率快、相位噪声低等；缺点是杂散度抑制比性能差，很难做到- 65d B。
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