Results 51 to 60 of about 4,501 (261)

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

Advanced Materials Technologies, Volume 11, Issue 3, 5 February 2026.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk, Senentxu Lanceros‐Mendez, Abílio Pereira Silva   +2 more
wiley   +1 more source

A Defected Ground Structure without Ground Contact Problem and Application to Branch Line Couplers

International Journal of Antennas and Propagation, 2013
A new defected ground structure (DGS) microstrip line that is free from the ground contact problem is described together with its application example. The proposed DGS microstrip line adopts a double-layered substrate.
Jongsik Lim, Dal Ahn, Sang-Min Han, Yongchae Jeong, Haiwen Liu   +4 more
doaj   +1 more source

Design and Performance Study of Single and Multi-Layered Fractal Based Miniaturized Patch Antennas for 2.4 GHz Applications

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021
The design and characterization of single and multi-layered miniaturized microstrip antennas resonating at 2.4 GHz are proposed. The miniaturization is accomplished by fractal Defected Ground Structure (DGS).
Amiya Bhusana Sahoo, Guru Prasad Mishra, Biswa Binayak Mangaraj   +2 more
doaj   +1 more source

An efficient 1-D periodic boundary integral equation technique to analyze radiation onto straight and meandering microstrip lines [PDF]

, 2012
A modeling technique to analyze the radiation onto arbitrary 1-D periodic metallizations residing on a microstrip substrate is presented. In particular, straight and meandering lines are being studied. The method is based on a boundary integral equation,
De Zutter, Daniël, Rogier, Hendrik, Vande Ginste, Dries   +2 more
core   +1 more source

Design and Fabrication of Capacitive Mems Actuator Array on Spoof‐Surface‐Plasmon‐Polariton Waveguide for Active Microwave Modulation

Advanced Photonics Research, Volume 7, Issue 1, January 2026.
a) Schematic of the SSPP waveguide integrated with SRR metamaterial and MEMS actuator arrays with electric field confinement in the gap below the microbridge. b) Cross‐section of the MEMS actuator consists of a buried lead line and a microbridge at different deflection positions. c) The notch band in the microwave transmission characteristic shifts due
Van Minh Nguyen, Yoshiaki Kanamori
wiley   +1 more source

Study on effect of rectangular DMS and DGS on 4 and 8 elements rectangular microstrip linear array antenna

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
In this experimental study a novel design has been developed to improve the antenna parameters in terms of impedance bandwidth and radiation properties. A 4-element rectangular array antenna (refereed as antenna 1) operating in the range of 10 to 16 GHz ...
S L Mallikarjun, P M Hadalgi, P V Hunagund   +2 more
doaj   +1 more source

Antenna design and implementation patch diamond array 2x4 elements with DGS shaped dumbbell square head at frequency 2.4 GHz

Jurnal Jaringan Telekomunikasi, 2023
— Technological advances in the field of telecommunications without cables or wireless are growing rapidly by utilizing radio waves as transmission. This happens because people's mobility is currently quite high and requires practicality in the use of ...
Koesmarijanto Koesmarijanto, Sania Ahva Y, Hendro Darmono   +2 more
doaj   +1 more source

The Beauty of Symmetry: Common-mode rejection filters for high-speed interconnects and balanced microwave circuits [PDF]

, 2017
Common-mode rejection filters operating at microwave frequencies have been the subject of intensive research activity in the last decade. These filters are of interest for the suppression of common-mode noise in high-speed digital circuits, where ...
Bonache, Jordi, Fernández Prieto, Armando, Martel Villagrán, Jesús, Martin, Ferran, Medina Mena, Francisco, Naqui, Jordi, Vélez, Paris   +6 more
core  

Environmental and Ecological Monitoring with Biodegradable Technologies

Advanced Science, Volume 13, Issue 4, 19 January 2026.
This review examines the development and application of wireless biodegradable sensors for environmental monitoring. It explores (bio)degradable materials, their degradation mechanisms in various environments, and non‐toxic fabrication techniques. Additionally, it addresses scalable production and sustainable powering solutions, emphasizing the high ...
Mohammad Javad Bathaei, Yaren Bathaei, Zhengwei Liao, Maryam Yazdanmehr, Sarab S. Sethi, Denys Nikolayev, Filipe Arroyo Cardoso, Clementine M. Boutry   +7 more
wiley   +1 more source

Investigation of Compact Low Pass Filter with Sharp Cut–Off using Metamaterial [PDF]

, 2013
In this paper a new compact microstrip Bessel low pass filter (LPF) is experimentally validated using complementary split ring resonator (CSRR) which has sharper cut-off and improved spurious band suppression characteristics. The Richard’s transformation
Annaram, K., Nithya, S.
core   +1 more source