Results 21 to 30 of about 581,833 (53)

Two-dimensional FIR compaction filter design

open access: yes, 2001
The design of signal-adapted multirate filter banks has been an area of research interest. The authors present the design of a 2-D finite impulse response (FIR) compaction filter followed by a 2-D FIR filter bank that packs the maximum energy of the ...
Vijayakumar, N., Prabhu, K.M.M.
core   +1 more source

Filter Synthesis Using Genesys S/Filter

open access: yes, 2016
S/Filter includes tools beyond direct synthesis, including a wide variety of both exact and approximate equivalent network transforms, methods for selecting the most desirable out of potentially thousands of synthesized alternatives, and a transform ...
Rhea, Randall W.
core  

A probabilistic hypothesis density filter for traffic flow estimation in the presence of clutter [PDF]

open access: yes, 2012
Prediction of traffic flow variables such as traffic volume, travel speed or travel time for a short time horizon is of paramount importance in traffic control.
Romain Billot   +9 more
core   +1 more source

Medical image enhancement using threshold decomposition driven adaptive morphological filter [PDF]

open access: yes, 2008
One of the most common degradations in medical images is their poor contrast quality. This suggests the use of contrast enhancement methods as an attempt to modify the intensity distribution of the image.
Mahmoud, Tarek A.   +4 more
core   +3 more sources

Tunable ring resonator filter for OFDM Transmission systems [PDF]

open access: yes, 1995
A novel tunable filter is theoretically demonstrated. It is based on a ring resonator with an amplifier and a noise filter in the loop. This optoelectronic device has potential as a high-sensitivity receiver and as a tunable demultiplexer in OFDM ...
López Amo, Manuel   +2 more
core   +1 more source

Independent Filter Company Advertisement, 1899

open access: yes, 1899
This document is an illustrated advertisement for the Theurer Beer Filter. This filter was created and patented by the Independent Filter Company in 1899.
Independent Filter Company;
core  

Mapeamento da qualidade da água para consumo humano em Santa Catarina sob o olhar da vigilância sanitária [PDF]

open access: yes, 2012
TCC(graduação) - Universidade Federal de Santa Catarina. Centro Tecnológico. Engenharia Sanitária e Ambiental.O Programa de Vigilância da Qualidade da Água para Consumo Humano (VIGIAGUA) monitora e avalia possíveis riscos à saúde humana advindos do ...
Mazepa, Henrique Harkot Filipkowski
core  

Avaliação da eficiência do processo de flotação aplicado ao tratamento primário de efluentes de abatedoruo avícola [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia QuímicaNos matadouros e frigoríficos os efluentes são volumosos e representam um sério problema pelo alto teor de matéria ...
Schoenhals, Marlise
core  

An 'active' passive-filter topology for low power DC/AC inverters [PDF]

open access: yes, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis presents a new output passive filter for voltage source inverter applications which is based on a shunt connected single tuned filter topology ...
Arman, Mahmoud Fayez
core   +3 more sources

Validation and development of an immunonephelometric assay for the determination of alpha-1 antitrypsin levels in dried blood spots from patients with COPD. [PDF]

open access: yesJ Bras Pneumol, 2013
Zillmer LR   +9 more
europepmc   +1 more source

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