cit327 radio freq

Card Set Information

Author:
ruddyo
ID:
64280
Filename:
cit327 radio freq
Updated:
2011-02-05 12:38:17
Tags:
radio frequency spectrum
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Description:
signal, multipath distortion
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  1. Electromagnetic interference (EMI)
    • One factor that affects radio signal strength
    • Also called noise
  2. Signal-to-noise ratio (SNR)
    Compares signal strength with background noise
  3. Multipath distortion
    As a radio signal is transmitted, the electromagnetic waves spread out
  4. Adaptive array processing
    Replaces a traditional antenna with an array of antenna elements
  5. Ultra-wideband transmission (UWB)
    Uses low-power, precisely timed pulses of energy that operate in the same frequency spectrum as low-end noise

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