A receiver system and method with cognitive function
A cognitive function and receiver technology, applied in the field of communication, can solve problems such as discontinuous data transmission and affect communication efficiency, and achieve the effects of improving communication efficiency, avoiding image and harmonic interference, and avoiding silent periods
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[0040] Such as figure 1 The shown receiver system with cognitive function is mainly composed of a radio frequency front-end module, an analog-to-digital conversion module and a digital circuit module. The output end of the radio frequency front-end module is connected with the input end of the analog-digital conversion module, and the output end of the analog-digital conversion module is connected with the digital circuit module. The present invention introduces a digitally adjustable radio frequency preselection filter in the radio frequency front end module of the front end. The function of the RF preselection filter of the RF front-end module is to preselect and filter the received RF signal. The selected filter bandwidth is the sub-band bandwidth XMHZ of the segment, which can reduce the image and harmonic interference of the system broadband reception, and the desired signal Bandwidth for a more accurate pre-selection. The receiving system adopts a superheterodyne struc...
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