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Adaptive signal processing and its application to Echo canellations in telecommunications
(Northern Illinois University, 1992)
In teleconferencing, the introduction of the acoustic echo canceller by using an adaptive transversal filter is the most effective technique of controlling the acoustic echoes. However, the requirement of a high order ...
A dielectric study of YBa₂Cu₃Ox (x=6.07,6.22,6.28,6.34,6.41) superconducting oxides
(Northern Illinois University, 1991)
The dielectric behavior of Y-Ba-Cu-Ox high Tc superconductors is studied for various oxygen concentrations. It is found that the systems under study have a very large dielectric constant and loss which may due to the ac ...