Results 11 to 20 of about 28,480 (261)

3-D models and structural analysis of rock avalanches: the study of the deformation process to better understand the propagation mechanism [PDF]

open access: yesEarth Surface Dynamics, 2016
Rock avalanches are extremely destructive and uncontrollable events that involve a great volume of material (> 106 m3) and several complex processes, and they are difficult to witness. For this reason the study of these phenomena using analog modeling
C. Longchamp   +3 more
doaj   +1 more source

An Electrically Programmable Split-Electrode Charge-Coupled Transversal Filter (EPSEF) [PDF]

open access: yes, 1979
A CCD split-electrode transversal filter (EPSEF) with analog controlled tap weights is described. The programmable tap weighting utilizes a novel analog multiplier for sampled data, based on charge profiling underneath a resistive gate structure.
Pelgrom, Marcel J.M., Wallinga, Hans
core   +3 more sources

Programmable transversal filter

open access: yesElectronics Letters, 1981
A programmable transversal filter is presented, based on the combination of a dynamic amplifier and a bucket-brigade-device analogue delay line. Experimental results are presented, indicating the suitability for a complete monolithic filter realisation.
I.A. van Gelder   +2 more
openaire   +1 more source

Spectral-amplitude encoding CDMA system based on high-speed electronic encoder/ decoder structures

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2016
A new method for high-speed Code Division Multiple Access (CDMA) systems that lies on the analogue performance of distributed-based transversal filters is proposed.
Jorge Aguilar-Torrentera   +3 more
doaj   +1 more source

Cascade Structure for Finite Impulse Response Filters and Linear Prediction

open access: yesIngenius: Revista de Ciencia y Tecnología, 2012
This paper presents a complete analysis of the cascade structure for adaptive transversal filters based on adaptive algorithms. The standard structure of the cascade transversal FIR filter is obtained by replacing the whole structure by small ones with ...
Walter Humberto Orozco Tupacyupanqui
doaj   +1 more source

Nonlinear Performance on Acoustic Transversal Filters

open access: yes2020 IEEE International Ultrasonics Symposium (IUS), 2020
The recently proposed transversal topology for creating acoustic filters allows to achieve arbitrary filter responses, in terms of position of transmission zeros and bandwidth, among others. This new topology might indeed help to give response to the demanding filter specification of the recent and future wireless communication systems, some not yet ...
Perea Robles, Rafael   +3 more
openaire   +2 more sources

Advanced Optical Processing of Microwave Signals

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
The authors present a review on the recent approaches proposed to implement transversal RF filters. Different tunable transversal filters consisting of wavelength tunable optical taps and those employing the tunability of dispersive devices are presented
Miguel V. Andrés   +4 more
doaj   +1 more source

Low-complexity RLS algorithms using dichotomous coordinate descent iterations [PDF]

open access: yes, 2008
In this paper, we derive low-complexity recursive least squares (RLS) adaptive filtering algorithms. We express the RLS problem in terms of auxiliary normal equations with respect to increments of the filter weights and apply this approach to the ...
Liu, Jie   +2 more
core   +1 more source

Optoelectronic transversal filter

open access: yesElectronics Letters, 1991
The development of a 1 GHz bandwidth, 15 tap transversal filter with optical fibre delays and controllable bipolar weights set with variable sensitivity GaAs metal–semiconductor–metal photodetectors is reported. The performance of the filter is demonstrated by configuring it as tunable bandpass filter.
B.E. Swekla, R.I. MacDonald
openaire   +1 more source

Stop Band Continuous Profile Filter in Empty Substrate Integrated Coaxial Line

open access: yesApplied Sciences, 2018
Substrate integrated waveguides reduce the losses and increase the quality factor of resonators in communication filters when compared with traditional planar technologies, while maintaining their low-cost and low-profile characteristics. Empty substrate
Darío Gómez   +4 more
doaj   +1 more source

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