Statistically thinned arrays are obtained by thinning a reference filled array, according to probabilistic law that is dictated the current. The remaining radiators still separated commensurable distances, even if randomly located. Hence, wideband operations prevented grating lobes’ occurrence. To overcome above limitation, new and simple strategy presented in this article for deploying element...

Abstract By an approximate subring of a ring we mean additively symmetric subset X such that $$X\cdot \cup (X +X)$$ X · ∪ ( + ) is covered by finitely many additive translates . We prove each has locall...

The logic of economic inquiry requires two distinct research programs. One program treats economic life in terms of invariant formal categories across time and place. The other program treats the continual of novelty and turbulence through time through human interaction. These programs are not commensurable: one can’t be reduced to the other. The former program must be conveyed by a theory of e...

Design of an optimal controller requires the optimization of differential evolution performance measures that are often no commensurable and competing with each other. Being a population based approach; Differential Evolution (DE) is well suited to solve designing problem of TCSC – based controller. This paper investigates the application of DE-based multi-objective optimization technique for t...

In this paper the notion of autoregressive systems over an integral domain R is introduced, as a generalization of AR-systems over the rings Rs] and Rs;s ?1 ]. Unlike the behavioral approach, the signal space is considered as a module M over the ring R. In this setup the problem of system equivalence is studied: when do two diierent AR-representations characterize the same behavior? This proble...

There are many, nonequivalent notions of minimality in state space representations for delay systems. In this class, one can express the transfer function as a ratio of two exponential polynomials. Then one can introduce various notions of coprimeness in such a representation. For example, if there is no common zeros between the numerator and denominator, it corresponds to a spectrally minimal ...

In this paper, the optimal filtering problem for linear systems with state and observation delays is treated proceeding from the general expression for the stochastic Ito differential of the optimal estimate, error variance, and various error covariances. As a result, the optimal estimate equation similar to the traditional Kalman-Bucy one is derived; however, the resulting system of equations ...

A novel text data dimension reduction technique, called the tree-structured multi-linear principle component analysis (TMPCA), is proposed in this work. Being different from traditional text dimension reduction methods that deal with the word-level representation, the TMPCA technique reduces the dimension of input sequences and sentences to simplify the following text classification tasks. It i...

Berth scheduling can be described as the resource allocation problem of berth space to vessels in a container terminal. When defining the allocation of berths to vessels container terminal operators set several objectives which ideally need to be optimized simultaneously. These multiple objectives are often non-commensurable and gaining an improvement on one objective often causes degrading per...

This paper presents an efficient hybrid algorithm for multi-objective distribution feeder reconfiguration based on Honey Bee Mating Optimization (HBMO) and fuzzy multi-objective approach. The objective functions are to minimize real power losses; deviation of nodes voltage; the number of switching operation and to balance the loads on the feeders. Due to the objectives are different and no comm...