IF Intermediate Frequency 中间频率 ; 中频 ; 中频的
RX-IF Receive Intermediate Frequency 接收中频信号
V-IF Voltage Intermediate Frequency 中频解调电路供电 ; 中频供电
In order to decrease the mirror frequency interference, cross interference and inter-modulation interference, double IF (Intermediate frequency) 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。
Chapter 2 sets forth the structure of IF (Intermediate Frequency) 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。
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