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The Over-The-Horizon (OTH) locating of radiation source can be realized by the troposcatter propagation of electromagnetic (EM) signals. This paper studies the troposcatter signal group delay for target ranging and proposes a modified beamspace MUSIC to estimate the arrival azimuth angle of the troposcatter signal. Finally, the OTH target can be located by the ranging and azimuth angle estimation...
In this paper, the photon propagation process in human brain tissue and skin tissue with various source and detector separation distances were simulated based on the Monte Carlo method. The human brain model and the skin model that were used in our experiments have live layers and seven layers, respectively. The backscattered intensity from every layer of the human tissue model was obtained by marking...
K-means algorithm is one of the most popular clustering algorithms. However, it is sensitive to initialized partition and the circular dataset. To attack this problem, this paper introduced an improved k-means algorithm based on multiple feature points. The algorithm selects a number of feature points as cluster centroids unlike the traditional algorithm which only uses one centroid. In addition,...
Alternating-Offer Protocol (AOP) is the most predominant way for one-to-one bargaining. Almost all past theoretical or practical researches on bargaining issue adopt AOP as the default trading rule. In this paper, we provide an alternative protocol, Sealed-Offer Synchronous Bargaining Protocol (SOSBP), which can be useful for the automated bargaining between self-interested agents for Open E-Marketplaces...
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