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COMMUNICATIONS DEVICE USING MEASURED FREQUENCY OFFSET OVER TIME TO ADJUST PHASE AND FREQUENCY TRACKING
COMMUNICATIONS DEVICE USING MEASURED FREQUENCY OFFSET OVER TIME TO ADJUST PHASE AND FREQUENCY TRACKING
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机译:使用随时间测量的频率偏移量来调整相位和频率跟踪的通信设备
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摘要
The communications device includes a phase and frequency tracking loop having a signal input and an adjustable loop filter that establishes a predetermined tracking loop bandwidth for samples of communication signals received at the signal input and processed within the tracking loop. A tracking loop update circuit updates loop filter operating parameters and is operative with the loop filter for increasing or decreasing the tracking loop bandwidth of the phase and frequency tracking loop based on the dynamics of the frequency offset of measured samples from the output of the loop filter over time.
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