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Spectrum is a science fiction novel by Russian writer Sergei Lukyanenko, taking place in the near future. Contact with aliens allowed humanity to travel between planets through portals. Contact with aliens allowed humanity to travel between planets through portals.
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An XPS spectrometer. A spectrometer (/ s p ɛ k ˈ t r ɒ m ɪ t ər /) is a scientific instrument used to separate and measure spectral components of a physical phenomenon. Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the spectral components are somehow mixed.
Answers.com is an Internet-based knowledge exchange. The Answers.com domain name was purchased by entrepreneurs Bill Gross and Henrik Jones at idealab in 1996. [1] [2] The domain name was acquired by NetShepard and subsequently sold to GuruNet and then AFCV Holdings. The website is now the primary product of the Answers Corporation. It has tens ...
Unlicensed spectrum is decentralized: there are no license payments or central control for users. However, sharing spectrum between unlicensed equipment requires that mitigation techniques (e.g.: power limitation, duty cycle, dynamic frequency selection) are imposed to ensure that these devices operate without interference.
One of the main characteristics of VLC is the incapacity of light to surpass physical opaque barriers. This characteristic can be considered a weak point of VLC, due to the susceptibility of interference from physical objects, but is also one of its many strengths: unlike radio waves, light waves are confined in the enclosed spaces they are transmitted, which enforces a physical safety barrier ...
Compute the Fourier transform (b j,k) of g.Compute the Fourier transform (a j,k) of f via the formula ().Compute f by taking an inverse Fourier transform of (a j,k).; Since we're only interested in a finite window of frequencies (of size n, say) this can be done using a fast Fourier transform algorithm.
The 2G spectrum case was a political controversy in which politicians and private officials of the United Progressive Alliance (UPA) coalition government India were allegedly involved in [1] selling or allotting 122 2G spectrum licenses on conditions that provided an advantage to specific telecom operators.