On the statistics of k-distributed noise

Author: erdx

August undefined, 2024

Webadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A WebThe generalized K distribution, introduced recently by Barakat [ J. Opt. Soc. Am. A3, 401 ( 1986)] as a model for the intensity of radiation scattered with a nonuniform distribution of phase by a fluctuating population of objects, is derived on the bases of simpler and more general arguments. In particular, Barakat’s analysis is based on a random walk in two …

Radar detection in K-distributed clutter plus noise using L-statistics

WebM. Alavi, F. Destrempes, C. Schmitt, E. Montagnon, and G. Cloutier, Shear wave propagation modulates quantitative ultrasound K-distribution echo envelope model statistics in homogeneous viscoelastic phantoms, in Proceedings of the IEEE International Ultrasonics Symposium, Dresden, Germany, 2012. Web28 de out. de 2007 · The homodyned K (HK) distribution allows a general description of ultrasound backscatter envelope statistics with specific physical meanings. slow language processing

Estimation Method of the Homodyned K-Distribution Based on …

WebPDF A brief review of the history, properties and applications of K-distributed noise is presented. Statistical relationships and generalizations of the model are … WebE. Jakerman, “On the statistics of K-distributed noise,” J. Phys. A 13, 31–48 (1980). [Crossref] H. Samimi and M. Uysal, “Performance of coherent differential phase-shift keying free-space optical communication systems in M-distributed turbulence,” J. Opt. Commun. Web1 de mai. de 1988 · We show that the fluctuations of thermal light having a Bose-Einstein photon distribution and of light with an amplitude distribution based on the modified … software para flashear huawei

Consensus variational Bayesian moving horizon estimation for ...

Web3 de jan. de 2013 · Abstract. The closed-form probability density for the envelope of multiplicative noise, both for the zero and nonzero mean case, is considered. The distribution parameters are determined using a ... WebIn this paper, we consider the problem of radar signal detection in the presence of disturbance, which is assumed to be a mixture of coherent K-distributed and Gaussian distributed clutter. Besides, thermal noise, which is always present in the radar receiver, has been considered. The optimum detector is determined by thresholding an … software para factoringWeb2 de set. de 2024 · In Eq. , Z(r,, Y(r, x) is the matched-filtered and beam-formed intensity, so that speckle following a Rayleigh-distributed envelope would produce an exponentially distributed intensity (Lyons and Abraham, 1999 25. Lyons, A. P., and Abraham, D. A. (1999). “ Statistical characterization of high-frequency shallow-water seafloor … software para fazer ebook

"" - On the statistics of k-distributed noise

On the statistics of k-distributed noise

(PDF) Parameter Estimation of the Homodyned K Distribution …

WebAbstract: We investigate the potential of k-nearest neighbor (KNN) based decision algorithms to detect a coherent signal in presence of non-Gaussian clutter, modeled in terms of a K-distributed spherically-invariant random vector (SIRV), plus thermal noise. The decision rule is fed by commonly used statistics, i.e., modified adaptive coherence … Web1 de set. de 2024 · A distributed noise adaptive Bayesian filter is proposed in [24] where global estimation is obtained by averaging the local information. It is worth noting that the above discussed adaptive consensus filters are all limited to distributed estimation with unknown MNCM and hence cannot handle unknown process noise statistics.

Did you know?

Web10 de abr. de 2024 · Figure 8b shows the noise we extracted from the real data, which mainly includes two types of typical traffic noise: noise distributed in the fan-shaped and thin strip. The synthetic data containing noise is shown in Figure 8 c, from which we can see that the road noise covers the reflection and affects the analysis and utilization of the … WebIn the paper the compound K -distribution model is extended to cover the spatial characteristics of sea clutter. The relationship of these characteristics to the physical …

WebPDF A brief review of the history, properties and applications of K-distributed noise is presented. Statistical relationships and generalizations of the model are summarized, and processing techniques developed to extract signals embedded in this kind of noise are briefly discussed. Webis to determine the statistics of the MLE of in the high SNR context. To this end, we follow step by step the outline of [2] and show that, in this low noise level regime, the MLE belongs to the class of elliptically distributed random vectors with a distribution intimately linked to that of the noise. Moreover,

Web6 de abr. de 2024 · noise levels (13b), and the LNA-predicted noise levels (16). For an exponentially-distributed burst size B x, k x = 1/ B x , γ =1 and g(x)=x, the unregulated and LNA-predicted noise levels are simply B x and B x /2, respectively. It is quite evident in Fig. 2 that feedback regulation strategies have a considerable impact on noise suppression. Web8 de jul. de 2006 · A full statistical-mechanical formulation is developed for non-Gaussian compound Markov processes, with this model as a special case. The implications for …

WebThe received signal in many wireless communication systems comprises of the sum of waves with random amplitudes and random phases. In general, the composite signal consists of correlated nonidentical Gaussian quadrature components due to the central limit theorem (CLT). However, in the presence of a small number of random waves, the CLT …

Web1 de out. de 2024 · K − distribution plays a significant role in describing the statistics of the electromagnetic scattering with unique properties of random polarization characterized by the fluctuating Stokes parameters. Under the assumptions of K − distributed amplitudes for the contributing polarization phasors and a uniform distribution for the phase difference … slow laptop after resetWeb18 de out. de 2024 · Abstract: In this paper, we consider the $k$-center/median/means clustering with outliers problems (or the $(k, z)$-center/median/means problems) in the … slow laptopWebHoje · The global Automotive Noise Detector market size is projected to reach multi million by 2030, in comparision to 2024, at unexpected CAGR during 2024-2030 (Ask for … software para fazer live no instagramWebOn the statistics of K-distributed noise E. Jakeman Published 1980 Mathematics Journal of Physics A When the number of steps in a random walk varies, the distribution of the … software para fichas de clientesWebAlavi, F. Destrempes, C. Schmitt, E. Montagnon and G. Cloutier , Shear wave propagation modulates quantitative ultrasound K-distribution echo envelope model statistics in … software para fazer fluxogramaWebGeneralizations of K noise are proposed. The factor-of-2 increase in the photon-number second factorial moment related to photon clumping in the Hanbury Brown–Twiss … software para escrever partituraWeb20 de ago. de 2024 · $\begingroup$ All this is fine and dandy but when dealing with multiple random variables, and especially Gaussian random variables, the covariances are of some importance as is the question of which of the random variables are independent.Could you address this issue in your answer? (Marginally Gaussian random variables need not be … software para flashear motorola