Results 251 to 260 of about 7,795 (299)
Bandpass filters with reconfigurable transmission zeros using varactor-tuned tapped stubs
IEEE Microwave and Wireless Components Letters, 2006 In this letter, bandpass filters with one or two tunable transmission zeros are proposed. The reconfigurable transmission zeros are implemented through varactors in combination with tapped quarter-wavelength stubs.
K J Chen
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Transmission resonances and zeros in multiband models
Physical Review B, 1995We report on an efficient numerical technique for directly locating transmission resonances and zeros in semiconductor heterostructures using tight-binding multiband models. The quantum transmitting boundary method is employed to generate the inverse of the retarded Green's function ${\mathit{G}}^{\mathit{R}}$(E) in the tight-binding representation ...
, Bowen, , Frensley, , Klimeck, , Lake
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Getting to Zero Transmission of ERCP Infections
JAMA Surgery, 2016Getting to Zero Transmission of ERCP Infections To the EditorWe read with interest the Viewpoint by Keswani and Soper1 and wish to comment on it. In March, the American Gastroenterological Association held a meeting, “Getting toZero,”whichcoveredmanyoftheendoscopicretrogradecholangiopancreatography (ERCP) infection issues discussed.2-4 We are concerned
Jeffrey, Tokar +2 more
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Absorptive Bandpass Filter with a Pair of Transmission Zeros
2020 18th IEEE International New Circuits and Systems Conference (NEWCAS), 2020In this paper, the design approach for an absorptive bandpass filter with a pair of transmission zeros is introduced. The design is based on using dangling resonators coupled to the output port. One of the unique features of the proposed design approach is that the resonant frequencies of the dangling resonators determine the locations of the ...
Seong-Wook Jeong, Juseop Lee
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Transmission Zero Assignment using Semistate Descriptions
1992 American Control Conference, 1992Summary: The problem of finite/infinite transmission zero assignment is examined by squaring a system from the outputs to the inputs. In particular, we study this problem in two cases, state-accessible systems and partially state-accessible systems. We show that the problem of transmission zero assignment for state-accessible state-variable systems is ...
Vassilis L. Syrmos, Frank L. Lewis
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On zero-reflection and zero-transmission of a stratified lossy medium
2016 URSI International Symposium on Electromagnetic Theory (EMTS), 2016In this paper a method to analyze the zero-reflection and zero-transmission conditions through a stratified lossy medium, is presented. The interaction of the electromagnetic radiation with the stratified material is taken into account by means of the transfer-matrix approach.
MANGINI, Fabio, FREZZA, Fabrizio
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The Extracted-Zero: A Practical Solution for Transmission Zeros in Wideband Filters
IEEE Microwave and Wireless Components Letters, 2021This letter presents a practical solution to realize finite frequency transmission zeros with independent location for wideband evanescent-mode filters. The method consists of using offline resonators located at the input and/or output of the filter. In contrast with the extracted-pole technique commonly employed for narrowband filters to generate a ...
Richard V. Snyder +2 more
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Synthesis of an LC Zero Section for Quadruplet Transmission Zeros
IEEE Transactions on Circuit Theory, 1964In a classic paper by Guillemin,[ E. A. Guillemin, "New methods of driving-point and transfer impedance synthesis," Proc. of Symp. on Modern Network Synthesis, Polytechnic Inst. of Brooklyn, N. Y., vol. 5, p. 119; 1955.] the synthesis of a dissipationless LC "zero-section" filter which has quadruplet zeros of transmission was demonstrated.
P. Ordung, H. Krauss
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International Journal of Control, 1977
Abstract This note discusses several recent definitions of the zeros of a multivariable system and establishes some upper bounds on their number.
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Abstract This note discusses several recent definitions of the zeros of a multivariable system and establishes some upper bounds on their number.
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The problem of transmission zeros in deconvolution (Corresp.)
IEEE Transactions on Information Theory, 1978In the deconvolution problem, the presence of noise introduces large errors in the vicinity of the zero-crossings \omega_{i} of the system function.
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