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This paper studies a data analysis of the signal control along an arterial. A signal control system is described by a nonlinear discrete dynamic system. Some characteristics with respect to the road, traffic and signal control parameters are analyzed along the Route 54 in Hiroshima city. The properness of the signal control is considered based on the data analysis of signal control parameters and...
A signal control system is developed along an arterial in Hiroshima city from the viewpoint of a deterministic control for traffic flow dynamics. The signal control system of the congestion length is described by a nonlinear time-varying discrete dynamic system and synthesized by using the feedback control based on the volume balance at each signalized intersection. Two signal control algorithms are...
In this paper, we propose a new array processing framework for suppressing isotropic noise in the power spectrum domain. As a theoretical basis, we discuss the characteristics of the isotropic noise covariance matrix and show that it can be diagonalized by a definite unitary matrix when the microphone array has a certain symmetry. By the diagonalization, our method gathers noise components to diagonals...
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