Results 21 to 30 of about 85,977 (300)
A broadband integrated microwave photonic mixer based on balanced photodetection
An integrated microwave photonic mixer based on silicon photonic platforms is proposed, which consist of a dual-drive Mach–Zehnder modulator and a balanced photodetector.
Zhenzhu Xu +6 more
doaj +1 more source
Dual-band beam steering THz antenna using active frequency selective surface based on graphene
A dual-band independently beam steering THz antenna is presented, which is composed of a broadband omnidirectional monopole source antenna surrounded by six hexagonal active frequency selective surface (AFSS) screens with switchable filtering response in
Yang Yao-Jia +3 more
doaj +1 more source
In this paper, a systematic decoupling strategy of two partial reflective decoupling layers (PRDLs) and dummy decoupling probes (DDPs) is utilized to suppress the complicated couplings in a ±45° dual-polarized, compact antenna array ...
Ting Liu +7 more
doaj +1 more source
Decoupling of Two Strongly Coupled Dual-Band Antennas With Reactively Loaded Dummy Element Array
An efficient antenna mutual coupling reduction (decoupling) technique using reactively loaded dummy element array for two dual-band closely coupled MIMO antennas is proposed in this paper.
Xiumei Shen +6 more
doaj +1 more source
Embedding approach to modeling electromagnetic fields in a complex two-dimensional environment [PDF]
An approach is presented to combine the response of a two-dimensionally inhomogeneous dielectric object in a homogeneous environment with that of an empty inhomogeneous environment.
Franchois, Ann +2 more
core +7 more sources
Monitoring insulator contamination level under dry condition with a microwave reflectometer [PDF]
—Build-up of surface contamination on high voltage insulators can lead to an increase in leakage current and partial discharge, which may eventually develop into flashover. Conventional contamination level monitoring systems based on leakage current,
Jiang, Yan +5 more
core +1 more source
Substrate-Integrated Folded Waveguide Slot Antenna [PDF]
In recent years a number of researchers have proposed novel techniques for fabricating rectangular waveguide using microwave integrated circuit techniques.
Batchelor, John C. +4 more
core +1 more source
Microwave Surveillance based on Ghost Imaging and Distributed Antennas
In this letter, we proposed a ghost imaging (GI) and distributed antennas based microwave surveillance scheme. By analyzing its imaging resolution and sampling requirement, the potential of employing microwave GI to achieve high-quality surveillance ...
Lin, Zihuai, Wang, Xiaopeng
core +1 more source
A Compact Dual-Band Circularly Polarized Antenna with Wide HPBWs for CNSS Applications
A compact dual-band circularly polarized antenna with wide half-power beamwidths (HPBWs) for compass navigation satellite system applications is proposed in this paper. The CP radiation is realized by arranging four compact dual-band inverted-F monopoles
Chao Li +3 more
doaj +1 more source
A wideband and continuous beam steering variable inclination continuous transverse stub antenna array is presented in the communication. The proposed antenna consists of a continuous transverse stub (CTS) array and a line source generator (LSG).
Ankang Wang +5 more
doaj +1 more source

