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High dynamic range low ripple RSSI for zero-IF or low-IF receivers
High dynamic range low ripple RSSI for zero-IF or low-IF receivers
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机译:高动态范围低纹波RSSI,适用于零中频或低中频接收机
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摘要
A received signal strength indicator operating at low intermediate of zero intermediate frequency is provided. The received signal strength indicator forms absolute values from an in-phase signal component and a quadrature signal component of a low or zero intermediate frequency signal that represents a received radio frequency signal. The absolute values are added. Logarithmic signal processing is performed either before absolute signal forming or after adding. Finally, low pass filtering is performed.
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