Browsing by Title
Now showing items 3416-3420 of 3420
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Zero-crossing based demodulation of minimum shift keying
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Publisher and Date:(2003)Minimum shift keying (MSK) modulation has features such as constant envelope compact spectrum and good error performance which are all desirable in many digital applications including mobile radio. Numerous receiver structures to demodulate MSK have been suggested such as correlation receivers differential detectors and frequency discriminators MSK is a form of biphase keying and can be detected by a zero-crossing based phase demodulator which gives near optimum performance. In this paper the bit ...
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Zihinsel koleksiyonlar: Yeşilçam'dan beyazcama
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Publisher and Date:(Mehtap Yüksel, 2009)Walter Benjamin, eşya koleksiyonculuğu yapan kişiler hakkında yazmış ve hayatından mutlu olmayan insanların eski objeleri toplayarak kendilerine alternatif bir yaşam kurduklarını ve bu yolla adeta geçmişi çağırdıklarını söylemiştir. Bu insanlar geçmişten topladıkları eşyaları bugünkü hayatlarına iliştirirler. Zihnimizde geçmişe dair bir izleği sürersek anıların bize bazen bir koku, bazen Proust’un madleni gibi bir tat ve çoğu zamansa görsel imgeler halinde gelmekte olduğunu görürüz. Bir şeyi ...
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Ɵ-deformed multi-dimensional fermion algebras
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Publisher and Date:(IOP PUBLISHING LTD, 2020)The conventional d-dimensional fermion algebra does not have a Hopf algebra structure. It is shown that this algebra can be deformed by introducing angular elements and by combining the commutative sine-cosine algebra with the Clifford algebra so that the resulting d-dimensional fermion algebra is a Hopf algebra.
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Publisher and Date:(Natural Sciences Publishing USA, 2016)This article deals with the mathematical analysis of the inverse problem of identifying the distinguishability of input-output mappings in the linear time fractional inhomogeneous parabolic equation Dt α u(x, t)=(k(x)ux)x+r(t)F(x, t) 0 < α ≤ 1, with Dirichlet boundary conditions u(0, t) = Ψ0(t), u(1, t) = Ψ1(t). By defining the input-output mappings Φ[·]: K →C1[0,T ] and Ψ[·]: K → C1[0,T] the inverse problem is reduced to the problem of their invertibility. Hence, the main purpose of this study ...