This converter changes the carrier frequency of a radio signal from RF at the antenna to some intermediate frequency that an analog-to-digital conversion chip can transform into a software-processable format.
This converter changes the carrier frequency of a radio signal from RF at the antenna to some intermediate frequency that an analog-to-digital conversion chip can transform into a software-processable format.
从天线接收到无线电信号后，这种变频器将其中的载频转换成中间频率，然后类比数位转换晶片再将中间频率转换成可由软体处理的格式。