Random Time‐Space Coding Metasurfaces for Spatial Control of the Temporal Statistics of Electromagnetic Fields [PDF]
Conventional methods to control electromagnetic (EM) fields via digital coding metasurfaces are basically focused on generating deterministic EM responses, such as beam forming, holographic imaging, and harmonic modulation, by employing specific coding ...
Jia Cheng Li +3 more
doaj +2 more sources
Quantum-inspired superposition and nonseparable states of reconfigurable metasurfaces in classical systems [PDF]
Classical and quantum bits serve as cornerstone in information science. As this field rapidly evolves, the interplay between the two continues to enrich and inspire each other.
Long Chen +7 more
doaj +2 more sources
Manipulations of multiple carrier frequencies are especially important in a variety of fields like radar detection and wireless communications. In conventional radio-frequency architecture, the multi-frequency control is implemented by microwave circuits,
Si Ran Wang +5 more
doaj +1 more source
Overview of Signal Processing Techniques for Automotive Millimeter-wave Radar
As one of the core components of Advanced Driver Assistance Systems (ADAS), automotive millimeter-wave radar has become the focus of scholars and manufacturers at home and abroad because it has the advantages of all-day and all-weather operation ...
Yan HUANG +15 more
doaj +1 more source
Design of Low-Cost Full W-Band 8th Harmonic Mixers for Frequency Extension of Spectrum Analyzer
High-order harmonic mixer is popular for frequency extension of spectrum analyzer (SA) from microwave to millimeter-wave or even terahertz band. The manufactures of SA usually offer expensive harmonic mixers where frequency extension is needed.
Jian Guo +5 more
doaj +1 more source
Design of a 2-Bit Reconfigurable UWB Planar Antenna Array for Beam Scanning Application
Reconfigurable antennas have been widely employed for beam scanning in recent years. However, such antennas are usually limited by narrow bandwidth. To overcome this challenge, we present a linearly polarized 2-bit ultra-wideband (UWB) antenna array in C-
Zuqi Fang +6 more
doaj +1 more source
Active odd-mode-metachannel for single-conductor systems
Although tremendous efforts have been devoted to investigating planar single-conductor circuits, it remains challenging to provide tight confinement of electromagnetic field and compatibility with active semi-conductor components such as amplifier ...
Pei Hang He +7 more
doaj +1 more source
Absorptive Microstrip-Fed Slot Antenna With Wide Reflectionless Band by Loading Bandstop Filter
This paper presents an absorptive microstrip-fed slot antenna with a wide reflectionless band and high radiation efficiency. The proposed antenna consists of a microstrip-fed slot antenna, a quarter-wavelength coupled-line bandstop filter (BSF), and ...
Yanqun Liu +4 more
doaj +1 more source
Two-Dimensional Beam Steering Based on Compact Programmable Coding Metasurface
A programmable coding metasurface provides unprecedented flexibility to manipulate electromagnetic waves dynamically. By controlling the peculiarity of subwavelength artificial atoms, devices with metasurfaces perform various functionalities.
Fei Yang +6 more
doaj +1 more source
A compact high‐sensitivity tangential E‐probe with resonator and coupled balun
A compact high‐sensitivity probe for sensing up tangential E‐field is proposed and measured in this paper. The probe consists of an electric dipole with patches used to induce the tangential E‐field, a resonator made up of open circuit stubs (capacitor ...
Shang Zhang +4 more
doaj +1 more source

