In order to decrease the mirror frequency interference, cross interference and inter-modulation interference, double IF (Intermediatefrequency) is adopted in the receiver.
为了降低镜频干扰、交调和互调干扰,接收机采用了双中频方案。
2
Chapter 2 sets forth the structure of IF (IntermediateFrequency) digital Software Radio, the critical theory of Software Radio and the signal processing technique about it.
第二章介绍了中频数字化软件无线电的结构,并阐述了软件无线电的关键理论和软件无线电中的信号处理技术。
3
Conventional dual up-conversion transmitter usually employs an intermediatefrequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.