Digital Down Conerter (DDC) is a vital device of digital receiver and Numerically Controlled Osillator( NCO) also is a key device that influences the DDC s function.

 
  • 数字下变频器(DDC)是数字接收机的重要部件,而数字振荡器(NCO)又是影响数字下变频性能的关健器件。
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