There have beem many studies on the analysis and design of low-noise oscillators. Recently, much attention has been paid to the noise reduction technique using coupled oscillators. When oscillators are coupled, the coupling method is very important and affects various factors, for example, the level of noise. In this study, we analyze the phase noise of multiphase CMOS LC oscillators coupled by...

This paper describes a new filter for impulse noise reduction in colour images which is aimed at improving the noise reduction capability of the classical vector median filter. The filter is inspired by the application of a vector marginal median filtering process over a selected group of pixels in each filtering window. This selection, which is based on the vector median, along with the applic...

Selectively canceling signals at specific locations within an acoustical environment with multiple listeners is of significant importance for home theater, automobile, teleconferencing, office, industrial and other applications. The traditional noise cancellation approach is impractical for such applications because it requires sensors that must be placed on the listeners. In this paper we inve...

We define two impulse sensitivity functions (ISF) describing the transient and the stationary effects of perturbations on the trajectory of oscillators. These functions give an insight into the sensitivity of the oscillator over time. They can be used to rate different oscillators according to their sensitivity to perturbations e.g. by noise. Both functions are derived from the properties of th...

this study analyses the concept of cost functions for semi-automated straddle carrier (sc), rubber tyred gantry (rtg) and automated rail mounted gantry (rmg) container yard operating cranes. it develops a generic cost based model for a pair-wise comparison, analysis and evaluation of economic efficiency and effectiveness of container yard equipment to be used for decision-making by terminal pla...

Abstract. This paper contains measures to describe the matrix impulse response sensitivity of state space multivariable systems with respect to parameter perturbations.The parameter sensitivity is defined as an integral measure of the matrix impulse response with respect to the coefficients. A state space approach is used to find a realization of impulse response that minimizes a sensitivity me...

In the present paper, parameterized Spice models are developed for the phase noise simulation. It is accomplished by a standard frequency and noise analysis for obtaining the noise factor using the noise sources, incorporated in the library elements. Based on the Leeson model, the single-sideband phase noise is investigated. An approach is developed to phase noise reduction in oscillator circui...

Evidence exists that visceral afferent sensitivity is subject to regulatory mechanisms. We hypothesized that afferent sensitivity is decreased in the small intestine during intestinal inflammation by an inducible nitric oxide synthase (iNOS)-dependent mechanism. C57BL/6 mice were injected twice with vehicle or 60 mg kg(-1) indomethacin subcutaneously to induce intestinal inflammation. Afferent ...

In recent years, emotion dysregulation and anxiety sensitivity have been introduced of the most effective factors in sleep disturbance. The purpose of this study was to examine emotion dysregulation and anxiety sensitivity as potential contributor to sleep problems in students. The statistical population of this research consisted of all the Bu-Ali Sina University’s students in the academic yea...