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Doppler Shift
Found 2 free book(s)Low Distortion Mixer AD831 - Analog Devices
www.analog.comdemodulation, and doppler shift detection in ultrasound imaging applications. The mixer includes an LO driver and a low noise output amplifier and provides both user-programmable power consumption and third order intercept point. The AD831 provides a +24 dBm third order intercept point for –10 dBm LO power, thus improving system performance and
Channel Models A Tutorial - Washington University in St. Louis
www.cse.wustl.eduFeb 21, 2007 · the channel. The Doppler power spectrum is nonzero for (f-fD, f+fD), where fD is the maximum Doppler spread or Doppler spread. The coherence time and Doppler spread are inversely related: 1 CoherenceTime Doppler Spread ≈ Thus, if the transmitter, receiver, or the intermediate objects move very fast, the Doppler spread is large