Tag: degradation

In telecommunication, degradation, which may be categorized as either “graceful” or “catastrophic”, has the following meanings:
There are several forms and causes of degradation in electric signals, both in the time domain and in the physical domain, including runt pulse, voltage spike, jitter, wander, swim, drift, glitch, ringing, crosstalk, antenna effect (not the same antenna effect as in IC manufacturing), and phase noise.
Degradation usually refers to reduction in quality of an analog or digital signal. When a signal is being transmitted or received, it undergoes changes which are undesirable. These changes are called degradation. Degradation is usually caused by:
A signal has two important factors: frequency and wavelength. If weather is fine and temperature is normal, the signal can be transmitted within given frequency and wavelength limits. The signal travels with velocity c ≤ 3*10 m/s, which is equal to the speed of light. For frequency f Hz and wavelength λ m, we have
So,…

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