Results 1 to 10 of about 786,550 (336)
We demonstrate halving the record-low loss of interconnection between a nested antiresonant nodeless type hollow-core fiber (NANF) and standard single-mode fiber (SMF).
Dmytro Suslov +9 more
doaj +1 more source
Standalone photovoltaic and battery microgrid design for rural areas
The remote location and many islands in Africa are experiencing a big power shortage and blackouts and they greatly necessitate electric power from standalone photovoltaic microgrid. In Rwanda, off-grid solar systems are at their infancy level and their
Cyprien Nsengimana +3 more
doaj +1 more source
Deep reflector prime focus feed for space communication
In this paper, design of a prime‐focus feed for a deep reflector, Earth–Moon–Earth space communication system is described. The feed is based on a circular waveguide equipped with two chokes in order to minimise sidelobes and illuminate the deep dish ...
Rastislav Galuscak +4 more
doaj +1 more source
TORSION AND THE ELECTROMAGNETIC FIELD [PDF]
In the framework of the teleparallel equivalent of general relativity, we study the dynamics of a gravitationally coupled electromagnetic field. It is shown that the electromagnetic field is able not only to couple to torsion, but also, through its energy–momentum tensor, produce torsion.
De Andrade, V. C., Pereira, J. G.
openaire +3 more sources
A new hybrid microwave photonic link based on a polarization division multiplexing Mach-Zehnder modulator (PDM-MZM) is proposed. The link enables co-transmission of millimeter-wave (mmW) and sub-6 GHz wireless signals over a seamless single-mode fiber ...
Dong-Nhat Nguyen +7 more
doaj +1 more source
Transmitters for Combined Radio Over a Fiber and Outdoor Millimeter-Wave System at 25 GHz
In the modern wireless networks, millimeter-wave radio-frequency (RF) bands are becoming more attractive as they provide larger bandwidth and higher data rates than the today-used systems operating at frequencies below 6 GHz.
Jan Bohata +4 more
doaj +1 more source
The performance of low-voltage circuit breaker overload protection degrades slowly during service, and the service state cannot be simply described as a normal state or a fault state.
Kui Li, Xianfeng Peng, Bokai Hu
doaj +1 more source
Field Equations in the Complex Quaternion Spaces [PDF]
The paper aims to adopt the complex quaternion and octonion to formulate the field equations for electromagnetic and gravitational fields. Applying the octonionic representation enables one single definition to combine some physics contents of two fields,
Weng, Zi-Hua
core +3 more sources
Electromagnetic fields in jets [PDF]
8 pages, 5 figures.
Sherwin, B. D., Lynden-Bell, D.
openaire +2 more sources
Computation of Electromagnetic Field and Complex Materials Interaction [PDF]
We develop a method to calculate the electromagnetic field distribution in complex materials. The system contains multiple phases with different electrical and magnetic properties and also contains multiple components which can diffuse around to affect ...
Qin, Rongshan
core +1 more source

