Results 101 to 110 of about 14,830 (306)
Realization of a Second Harmonic Antenna for Rural Communications [PDF]
ITB Journal of Engineering Science, 2006 In this research, an active antenna operated at the second harmonic frequency is investigated, and is implemented using microstrip antenna material.
Adit Kurniawan, Ahmad Hasyim, Yuyu Wahyu
doaj
Advanced Functional Materials, EarlyView.It is demonstrated that severe lattice distortion and coherent nanoprecipitates overcome the strength–ductility dilemma and mitigate discontinuous plastic flow (DPF) at 4.2 K. Such microstructural design enhances both thermal and athermal stress components, leading to exceptional mechanical performance.
Min Young Sung +11 more
wiley +1 more source
Random PWM Technique Based Two-State Markov Chain for Permanent Magnet Synchronous Motor Control
Applied SciencesOn the basis of the space voltage vector pulse width modulation (SVPWM) technique, the random pulse width modulation (RPWM) technique, which can reduce harmonics, is investigated based on the vector control system of permanent magnet synchronous motor ...
Zhiqiang Wang +4 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Molecular engineering of a nonconjugated radical polymer enables a significant enhancement of the glass transition temperature. The amorphous nature and tunability of the polymer, arising from its nonconjugated backbone, facilitates the fabrication of organic memristive devices with an exceptionally high yield (>95%), as well as substantial ...
Daeun Kim +14 more
wiley +1 more source
THE RESEARCH OF W-BAND HIGH ORDER FREQUENCY MULTIPLIER BASED ON AVALANCHE DIODE [PDF]
, 2018 Lingling Song, Minghua Zhao
openalex +1 more source
A Scalable, Durable, Fire‐Safe All‐Day Passive Radiative Cooling Coating for Sustainable Buildings
Advanced Functional Materials, EarlyView.This study reports a scalable, durable coating that combines a fire‑retardant copolymer adhesive, hollow glass microspheres, and boron oxide to achieve passive radiative cooling with over 94% solar reflectance and >95% mid‑infrared emissivity. The coating maintains performance after UV and rain exposure and exhibits UL‑94 V‑0 fire resistance, enabling ...
Zhewen Ma +8 more
wiley +1 more source
Microsphere Autolithography—A Scalable Approach for Arbitrary Patterning of Dielectric Spheres
Advanced Functional Materials, EarlyView.MicroSphere Autolithography (µSAL) enables scalable fabrication of patchy particles with customizable surface motifs. Focusing light through dielectric microspheres creates well defined, tunable patches via a conformal poly(dopamine) photoresist. Nearly arbitrary surface patterns can be achieved, with the resolution set by the index contrast between ...
Elliott D. Kunkel +3 more
wiley +1 more source
Analysis and Design of a Transient-State Resonant Converter Used as a Frequency Multiplier [PDF]
Josué Lara-Reyes +7 more
openalex +1 more source
Reduction of Spurious Signal Upconversion in Frequency Multipliers [PDF]
, 2020 Zenon Szczepaniak, Tomasz Rogala
openalex +1 more source