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Multiplicative

  • Multiplicative cascade model

    Multiplicative cascade model

    標(biāo)簽: Multiplicative cascade model

    上傳時間: 2013-12-25

    上傳用戶:電子世界

  • Shortest Paths with Multiplicative Cost. In a given undirected graph, the path cost is measured as a

    Shortest Paths with Multiplicative Cost. In a given undirected graph, the path cost is measured as a product of all the edges in the path. The weights are rational numbers (e.g., 0.25, 0.75, 3.75 etc) or integers (2, 3). There are no negative edges. Given such a graph as input, you are to output the shortest path between any two given vertices. Input is the adjacency matrix and the two vertices. You must output the path.

    標(biāo)簽: Multiplicative undirected Shortest measured

    上傳時間: 2017-04-08

    上傳用戶:邶刖

  • This functions computes SARMA or Multiplicative (p,q) x (P,Q) models for (p,q,P,Q) in (pvec x qv

    This functions computes SARMA or Multiplicative (p,q) x (P,Q) models for (p,q,P,Q) in (pvec x qvec x Pvec x Qvec) it returns the best according to AIC where AIC has been modified to account for fixed parameters x = input data pvec = vector of p s set pvec=[0] for no AR qvec = vector of q s set qvec=0[] for no MA Pvec = vector of P s Qvec = vector of Q s T period for Multiplicative model

    標(biāo)簽: Multiplicative functions computes models

    上傳時間: 2017-06-30

    上傳用戶:Breathe0125

  • Carrier-phase synchronization can be approached in a general manner by estimating the multiplicativ

    Carrier-phase synchronization can be approached in a general manner by estimating the Multiplicative distortion (MD) to which a baseband received signal in an RF or coherent optical transmission system is subjected. This paper presents a unified modeling and estimation of the MD in finite-alphabet digital communication systems. A simple form of MD is the camer phase exp GO) which has to be estimated and compensated for in a coherent receiver. A more general case with fading must, however, allow for amplitude as well as phase variations of the MD. We assume a state-variable model for the MD and generally obtain a nonlinear estimation problem with additional randomly-varying system parameters such as received signal power, frequency offset, and Doppler spread. An extended Kalman filter is then applied as a near-optimal solution to the adaptive MD and channel parameter estimation problem. Examples are given to show the use and some advantages of this scheme.

    標(biāo)簽: synchronization Carrier-phase multiplicativ approached

    上傳時間: 2013-11-28

    上傳用戶:windwolf2000

  • Abstract-The effect of the companding process on QAM signals has been under investigation for the p

    Abstract-The effect of the companding process on QAM signals has been under investigation for the past several years. The compander, included in the PCM telephone network to improve voice performance, has an unusual affect on digital QAM data signals which are transmitted over the same channel. The quantization noise, generated by the companding process which is Multiplicative (and asymmetric), degrades the detectability performance of the outermost points of the QAM constellation more than that of the inner points. The combined effect of the companding noise and the inherent white gaussian noise of the system, leads us to a re-examination of signal constellation design. In this paper we investigate the detectability performance of a number of candidates for signal constellations including, a typical rectangular QAM constellation, the same constellation with the addition of a smear-desmear operation, and two new improved QAM constellation designs with two-dimensional warpi

    標(biāo)簽: investigation Abstract-The companding the

    上傳時間: 2013-12-20

    上傳用戶:英雄

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