Results 71 to 80 of about 11,097 (213)

Using Multilayered Substrate Integrated Waveguide to Design Microwave Gain Equalizer

Advances in Materials Science and Engineering, 2014
This paper presents the design and experiment of a novel microwave gain equalizer based on the substrate integrated waveguide (SIW) technique. The proposed equalizer is formed by an SIW loaded by SIW resonators, which has very compact structure and can ...
Yongfei Wang, Dongfang Zhou, Yi Zhang, Chaowen Chang   +3 more
doaj   +1 more source

Synergistic Catalysis of Ruthenium Nanoparticles and Polyoxometalate Integrated Within Single UiO−66 Microcrystals for Boosting the Efficiency of Methyl Levulinate to γ-Valerolactone

Frontiers in Chemistry, 2019
The synthesis of heterogeneous cooperative catalysts in which two or more catalytically active components are spatially separated within a single material has generated considerable research efforts.
Xiaoxiong Cai, Qionghao Xu, Gaomei Tu, Yanghe Fu, Fumin Zhang, Weidong Zhu   +5 more
doaj   +1 more source

Letterer-Siwe Disease [PDF]

Proceedings of the Royal Society of Medicine, 1974
D I, Vollum, M, Farquharson
openaire   +2 more sources

Modified Y-junction SIW power divider/combiner circuit

, 2018
A modified compact Y-junction substrate-integrated waveguide (SIW) four-way power divider (PD)/combiner is proposed in this paper. The proposed approach is based on the traditional Y-junction waveguide.
Song Guo, Yedi Zhou, Zihang Luo, Kaijun Song, Maoyu Fan   +4 more
core   +1 more source

Substrate Integrated Waveguide (SIW) Bandpass Filter with Novel Microstrip-CPW-SIW Input Coupling [PDF]

, 2017
A Substrate integrated waveguide bandpass filter is presented with a novel CPW-to-SIW transition at both the input and output ports which also served as the input and output couplings into the filter.
Yeo, Kenneth S.K., Yeo, Kenneth, Amadu Dainkeh, Kenneth S. K. Yeo, Dainkeh, Amadu, Nwajana, Augustine O., Augustine O. Nwajana, Nwajana, Augustine   +7 more
core   +1 more source

RF MEMS Based Tunable Bowtie Shaped Substrate Integrated Waveguide Filter [PDF]

Radioengineering, 2015
A tunable bandpass filter based on a technique that utilizes substrate integrated waveguide (SIW) and double coupling is presented. The SIW based bandpass filter is implemented using a bowtie shaped resonator structure.
M. Z. Ur Rehman, Z. Baharudin, M. A. Zakariya, M. H. M. Khir, M. T. Jilani   +4 more
doaj  

Broadband H-Plan SIW Power Divider with Adjustable Output Powers

مهندسی مخابرات جنوب
Design and realization of a broadband H-plane Substrate Integrated Waveguide (SIW) power divider with equal and unequal output powers is presented. The configuration of the proposed structure is based on the three equal width SIW lines.
Pejman Mohammadi
doaj  

Broadband Coaxial Rotary Joint With Simple Substrate Integrated Waveguide Feeder

IEEE Access, 2019
This paper presents a broadband coaxial rotary joint with simple single-layer substrate integrated waveguide (SIW) feeder. The annular slot etched on the surface of SIW can effectively convert TE10 mode in the rectangle SIW into the rotational symmetric ...
Liang Zhao, Jin Shi, Kai Xu
doaj   +1 more source

Modeling a Siw Filter With Iris Windows Using Equivalent Circuits

, 2012
A model and parameter extraction method for a substrate integrated waveguide (SIW) filter is presented. The proposed approach is derived from an analysis of full-wave simulations, allowing to obtain the equivalent circuit parameters for the iris.
Reydezel Torres Torres, MIGUEL ANGEL TLAXCALTECO MATUS   +1 more
core  

High‐isolation single‐layer dual‐mode substrate‐integrated waveguide diplexers for millimetre‐wave applications

IET Microwaves, Antennas & Propagation
New coupling scheme substrate‐integrated waveguide (SIW) diplexers based on dual‐mode cavities are proposed for millimetre‐wave applications. Dual‐mode SIW cavities are simultaneously employed in common input and coupling cavity to produce filtering ...
Qing Liu, Dong‐Fang Zhou, Ke Gong, Na An, De‐Wei Zhang, Hang Qian   +5 more
doaj   +1 more source