Results 251 to 260 of about 1,834,878 (292)

Optimal bandwidth selection for forecasting under parameter instability

Journal of Financial Econometrics
Abstract This article addresses practical issues associated with the use of the local estimator in forecasting models that are affected by parameter instability. We propose an approach to select the bandwidth parameter in the context of out-of-sample forecasting.
Yu Bai, Bin Peng, Shuping Shi, Wenying Yao   +3 more
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Dispersion-slope parameter for monomode fiber bandwidth

Optical Fiber Communication, 1984
Current single-mode communications systems generally use lasers with pulsed spectral widths of less than a few nanometers centered near the zero-dispersion wavelength λ0 of the overall fiber link. However, there is some uncertainly concerning the information-carrying capacity of these links.
openaire   +1 more source

Nonparametric Estimation of Volatility Function with Variable Bandwidth Parameter

Communications in Statistics - Theory and Methods, 2013
In this article, we introduce a new method for the volatility function estimation of continuous-time diffusion process dX t  = μ(X t )dt + σ(X t )dW t , which is based on combining the idea of local linear smoother and variable bandwidth. We give the expressions for the conditional MSE and MISE of the estimator and obtain the optimal variable bandwidth.
Xuguo Ye, Nengxiang Ling
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Noise, gain, and bandwidth characteristics of the variable parameter amplifier

1957 International Electron Devices Meeting, 1957
An investigation has been made determining the noise, gain, and bandwidth characteristics of the general variable parameter system (i.e., a system similar to the type proposed by Landon and Suhl for amplification, conversion, and oscillation using ferrites). The basic circuit and its operation are illustrated in the following description.
H. Heffner, G. Wade
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Parameter estimation aspects and the role of bandwidth in a notch filter

1982 21st IEEE Conference on Decision and Control, 1982
In this paper, the notch filter model developed for the retrieval of sinusoidal signals in noise is reexamined. A stochastic Gauss-Newton method is developed for adaptively estimating the parameters of the model. Various forms of simplifications (gradient truncation) which assure stability and convergence are then examined.
D. V. Bhaskar Rao, Sun-yuan Kung
openaire   +1 more source

Optical parameters and space–bandwidth product optimization in digital holographic microscopy

Applied Optics, 2012
This paper considers some of the most important optical parameters that characterize a digital holographic microscope (DHM) and presents their mathematical derivation based on geometrical and diffraction-based models. It supports and justifies the use of the out-of-focus recording of holograms by showing that the field of view can be increased when ...
Daniel, Claus, Daciana, Iliescu
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Usage Parameter Control and Bandwidth Allocation Methods for Atm-Based B-Isdn

4th IEEE ComSoc International Workshop on Multimedia Communications. MULTIMEDIA, 1992
This paper proposes a ATM traffic management scheme that utilizes a deterministic source traffic descriptor, a deterministic Usage Parameter Control (UPC) algorithm and a conservative statistical bandwidth allocation method. The scheme not only guarantees the QOS of all connections but also allows for large statistical multiplexing gain.
Naoaki Yamanaka, Youichi Sato, Ken-ichi Sato   +2 more
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Bandwidth allocation based on declared UPC parameters in ATM networks

2000 TENCON Proceedings. Intelligent Systems and Technologies for the New Millennium (Cat. No.00CH37119), 2002
We present a new method of calculating the required bandwidth for ATM connections. We first develop analytical models for bandwidth allocation of constant bit rate (CBR) and variable bit rate (VBR) services based on the declared usage parameter control (UPC) parameters.
null Nguyen Duc Thuy, null Pham Minh Ha
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Services Parameters and Novel Provisioning Techniques for a Bandwidth Reservation Network

NOMS Workshops 2008 - IEEE Network Operations and Management Symposium Workshops, 2008
We propose service parameters, architectures to provide them, pricing policies and a heuristic route-reservation algorithm for a network providing bandwidth reservation services. Bandwidth reservation services allow users to choose or assign service parameters with which users' requirements are satisfied.
Rie Hayashi, Kaori Shimizu, Ichiro Inoue, Kohei Shiomoto   +3 more
openaire   +1 more source

Model parameters for wide time bandwidth sonar signals

The Journal of the Acoustical Society of America, 1978
Wide time-bandwidth (TW) product signals have been used historically in radar and communications for practical applications. Matched filter processing gain for these signals is predictable and offers highly attractive performance in the presence of gaussian noise.
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