نتایج جستجو برای: impulse
تعداد نتایج: 23982 فیلتر نتایج به سال:
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 identification or model reduction problems, an important task is the computation of the characteristic polynomial of the original or reduced-order system. Several literature have shown that the characteristic polynomial of a system can be extracted from the information generated by the impulse response data. For continuous systems, the Gram matrix [1,2] and the impulse response Gramian [3] a...
We examined the onset of atrial epicardial excitation by recording unipolar potentials from 360 electrodes arranged in templates affixed to the superior vena cava and right atrium in dogs. Both activation sequence and potential distribution maps were obtained for the period of impulse origin beginning before the surface P wave and continuing through the first 15-20 msec of atrial depolarization...
The impulse control of a Markov–Feller process is considered when the impulses are allowed only when a signal arrives. This is referred to as an impulse control problem with constraint. A detailed setting is described, a characterization of the optimal cost is obtained using previous results of the authors on optimal stopping problems with constraint, and an optimal impulse control is identified.
Impulse noise is the most common noise present in digital images. Removal of impulse noise from the images is a difficult task in image processing. Impulse noise occurs in images during the process of image transmission and image acquisition. Many noise removal techniques have been proposed, each having its own respective advantages and disadvantages. These noise removal techniques must be desi...
This study investigates impulse buying behaviors in both traditional store and online shopping contexts. The results show that impulsive buying tendency and involvement with clothing products is positively associated with impulse buying behavior of clothing in traditional store shopping, but not online. For computer peripherals, on the other hand, higher impulsive buying tendency and higher pro...
In the impulse response method the Rayleigh integral is converted from a 2-dimensional to a 1-dimensional integral [1]. This assumes that the diffraction impulse response has been derived for the transducer shape used. In the described simulator, this method is not used. One of the reasons is that it is desirable to be quickly able to analyze new transducer shapes. This could also be done using...
Reaching a target while remaining in a given set for impulse dynamics can be characterized by a non deterministic controlled differential equation and a controlled instantaneous reset equation. The set of initial conditions from which a given objective can be reached is calculated using the Hybrid Guaranteed Capture Basin Algorithm. This algorithm was developed in finance to evaluate options in...
Reconstructing a signal from its observations via a sensor device is usually called “deconvolution”. Such reconstruction requires perfect knowledge of the impulse response of the sensor involved in the signal measurement. The lower this knowledge, the more biased the reconstruction. In this paper, we present a novel method for reconstructing a signal measured by a sensor whose impulse response ...
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