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Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is utilized by the physical layer protocol, and sometimes by the medium access control (the channel ...
These factors have become less relevant with the increased use of checks, credit and debit cards, and other forms of currency-free exchange; also, in some jurisdictions the addition of sales tax makes the advertised price irrelevant and the final digit of the real transaction price effectively random.
Katherine Heigl (/ ˈ h aɪ ɡ əl / HY-gəl; [1] born November 24, 1978) [2] is an American actress. She played Dr. Izzie Stevens on the ABC television medical drama Grey's Anatomy from 2005 to 2010, a role that brought her recognition and accolades, including the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series in 2007.
The number of colour bands of a rainbow may therefore be different from the number of bands in a spectrum, especially if the droplets are particularly large or small. Therefore, the number of colours of a rainbow is variable. If, however, the word rainbow is used inaccurately to mean spectrum, it is the number of main colours in the spectrum.
30 Vulpeculae is a binary star system in the northern constellation of Vulpecula, located mid-way between Epsilon Cygni and a diamond-shaped asterism in Delphinus.It is visible to the naked eye as a faint, orange-hued point of light with an apparent visual magnitude of 4.91. [2]
The origins of the first VK 30 began with the need for a breakthrough tank, or Durchbruchswagen in 1937, resulting in a few successive iterations.. Porsche submitted heavily armoured tank designs, but they were unconventional and also unsuccessful.
The greenhouse effect occurs when greenhouse gases in a planet's atmosphere insulate the planet from losing heat to space, raising its surface temperature. Surface heating can happen from an internal heat source (as in the case of Jupiter) or come from an external source, such as its host star.
power and status theories; stratification theories; exchange theories; This list provides a general overview of different traditions in the sociology of emotion that sometimes conceptualize emotion in different ways and at other times in complementary ways.