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8 METHOD DIVIDING SATELLITE SIGNALS INTO EIGHT FREQUENCY POINTS FOR PROCESSING

机译:8种将卫星信号划分为八个频率点进行处理的方法

摘要

A method for dividing into eight frequency channels for satellite signal processing includes: amplifying a satellite signal rved by an antenna (S1); Dividing the amplified satellite signal into radio frequency signals including a total of eight frequency channels by GPSL1, GPSL2, GPSL5, BDB1, BDB2, BDB3, GLNL1 and GLNL2 by a power divider circuit; The frequency synthesis processing is performed on the five signals GPSL2, GPSL5, BDB2, BDB3, and GLNL2, and a total of five frequencies mixed signals GPSL2, GPSL5, BDB2, BDB3, GLNL2 and three unmixed signals GPSL1, BDB1, GLNL1 Filtering (S3) radio frequency signals comprising eight radio frequency channels; And downconverting and A / D-converting the filtered eight frequency channel radio frequency signals, and outputting the signals to the baseband part for baseband signal processing (step S4). This method reduces power consumption and hardware size and cost.
机译:一种用于划分八个频道以进行卫星信号处理的方法,包括:放大由天线接收的卫星信号rv(S1);通过功率分配器电路通过GPSL1,GPSL2,GPSL5,BDB1,BDB2,BDB3,GLNL1和GLNL2将放大的卫星信号划分成包括总共八个频道的射频信号;对五个信号GPSL2,GPSL5,BDB2,BDB3和GLNL2以及总共五个频率混合信号GPSL2,GPSL5,BDB2,BDB3,GLNL2和三个未混合信号GPSL1,BDB1,GLNL1进行频率合成处理(S3 )包括八个射频频道的射频信号;然后,对滤波后的八个频道的射频信号进行下变频和A / D转换,并将该信号输出到基带部分,以进行基带信号处理(步骤S4)。这种方法减少了功耗,硬件尺寸和成本。

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