نتایج جستجو برای: ambiguity function

تعداد نتایج: 1230453  

2017
Igor Kopylov Joshua Miller

We run several experiments where people bet on propositions (facts) that they cannot recall with certainty. Forgetting is induced via interference tasks and time delays (up to one year). We use betting preferences to define subjects’ revealed beliefs and their confidence in these beliefs. Forgetting makes revealed beliefs less accurate and reduces the subjective confidence metric as well. Moreo...

2016
Anna Dzvonkovskaya Hermann Rohling Changhe Li Nadav Levanon Eli Mozeson Simon Haykin Brian Currie Thia Kirubarajan

The aim of this paper is to explore the binary sequences with high discrimination using Particle Swarm Optimization with Cauchy Mutation (PSOCM) technique. The cross-ambiguity function method is used to detect the stationary and moving targets in various target detection scenarios. The contour plots of the cross-ambiguity function are computed as a function of

Journal: :IEEE Transactions on Aerospace and Electronic Systems 2019

Journal: :Journal of Japan Society for Fuzzy Theory and Intelligent Informatics 2010

Journal: :Applied optics 1979
D Psaltis D Casasent

The ambiguity function that results from the space-variant optical processing of nonlinear coded waveforms is analyzed. The space-variant signal processor considered is realized by coordinate transformations. Specifically we consider x = lnt, which results in a Mellin transform-based Doppler-invariant signal processor. Ambiguity function data are provided for a nonlinearly coded 13-bit Barker c...

Journal: :IEEE Trans. Information Theory 2002
Vijay G. Subramanian Bruce E. Hajek

Médard and Gallager recently showed that very large bandwidths on certain fading channels cannot be effectively used by direct sequence or related spread-spectrum systems. This paper complements the work of Médard and Gallager. First, it is shown that a key information-theoretic inequality of Médard and Gallager can be directly derived using the theory of capacity per unit cost, for a certain f...

Journal: :journal of communication engineering 0
iman heidarpour shahrezaeri department of electrical and electronic engineering- malek ashtar university of technology morteza kazerooni department of electrical and electronic engineering- malek ashtar university of technology mohsen fallah department of electrical and electronic engineering- malek ashtar university of technology

design, simulation and optimal selection of cosine-linear frequency modulation waveform (cnlfm) based on correlated ambiguity function (af) method for the purpose of synthetic aperture radar (sar) is done in this article. the selected optimum cnlfm waveform in contribution with other waveforms are applied directly into a sar image formation algorithm (ifa) and their quality effects performance ...

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