التفاصيل البيبلوغرافية
| العنوان: |
Local duration-bandwidth product of propagating pulses. |
| المؤلفون: |
Loughlin, Patrick1 |
| المصدر: |
Journal of Modern Optics. Nov2010, Vol. 57 Issue 19, p1944-1948. 5p. |
| مصطلحات موضوعية: |
*BANDWIDTHS, *DISTRIBUTION (Probability theory), RADIO wave propagation, ELECTRONIC pulse techniques, WIGNER distribution, DISPERSION (Chemistry) |
| مستخلص: |
In linear wave propagation, the duration of a pulse must ultimately increase with propagation in a dispersive medium. However, it is shown that the local duration, defined in terms of the conditional standard deviation in phase space, does not increase. Similarly, while the duration-bandwidth product increases as the pulse propagates, the local duration-bandwidth product decreases. Moreover, the local duration-bandwidth product is upper bounded by the (global) duration-bandwidth product of the wave. [ABSTRACT FROM AUTHOR] |
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