Results 61 to 70 of about 25,509 (229)
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Precise regulation of preoxidation time and carbonization temperature in biomass napkin‐derived hard carbon generates abundant closed pores and ultramicropores, significantly enhancing the capacity in the low‐potential plateau region (the high plateau capacity of 266 mAh g−1) and thereby achieving highly reversible sodium‐ion storage (395 mAh g−1 at 30
Haoran Wang +4 more
wiley +1 more source
Optimization of aperture coupled microstrip patch antennas [PDF]
, 2010 Aperture coupled microstrip patch antennas (ACMPA) are special class of microstrip antennas with high gain and wide impedance bandwidth. These antennas differ from other microstrip antennas with their feeding structure of the radiating patch element ...
Dogan, Mustafa +5 more
core
Design of a Finger Ring Antenna for Wireless Sensor Networks [PDF]
, 2016 Body-centric communications have become very active area of research due to ever-growing demand of portability. Advanced applications such as; health monitoring, tele-medicine, identification systems, performance monitoring of athletes, defence systems ...
Abbassi, Qammer Hussain +4 more
core +2 more sources
Microstrip Patch Antenna: A Survey
IOSR Journal of Electrical and Electronics Engineering, 2014 The sizes and weight of various wireless electronic system have rapidly reduced due to the development of modern integrated circuit technology. A Microstrip antenna (MSA) is well suited for wireless communication due to its low profile, conformal nature, light weight, low cost of production, robust nature and compatibility with microwave monolithic ...
Sakshi Srivastava +2 more
openaire +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.The structure, properties, preparation methods, and characterization techniques of BP. As a typical 2D layered material, black phosphorus (BP) demonstrates exceptional promise in various fields, particularly in energy storage for alkali metal‐ion batteries. However, its distinctive structure and properties, together with the compositional complexity of
Yunqing Wang +7 more
wiley +1 more source
A circuit-theoretic approach to the design of quadruple-mode broadband microstrip patch antennas [PDF]
, 2008 A novel method for the design of broadband patch antennas is described. The approach taken is to broadside couple two dual-mode patch antennas, resulting in a quad resonance antenna.
Abunjaileh, A.I. +2 more
core +1 more source
FlexMat, EarlyView.Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu +3 more
wiley +1 more source
Design of a Dual Band Rectangular Microstrip Antenna [PDF]
International Journal of Mathematical, Engineering and Management Sciences, 2018 The objective of the paper is to design and investigate a rectangular microstrip antenna that covers the band from 2.4 to 3.6 GHz. The proposition consolidates investigation of fundamentals of microstrip patch antenna.
Ranjan Mishra +2 more
doaj +1 more source
Wideband slotted patch antennas using EBG structures [PDF]
, 2010 Copyright @ 2010 IEEEA slotted microstrip patch antenna is designed with Electromagnetic Band gap (EBG) structures. The performance parameters of the presented antenna are then compared with the conventional patch antenna.
AbuTarboush, HF +3 more
core +1 more source
Collinear Microstrip Patch Antennas
, 2010 A sort of novel collinear microstrip patch antennas with a hemispherical radiation pattern, showing an increased gain of approx. 12 ÷ 15 dBi has been comprehensively introduced.
Holub, Alois, Polivka, Milan
openaire +3 more sources