Results 141 to 150 of about 640,096 (345)

A MEMS Electromagnetic Vibration Energy Harvester with Monolithically Integrated NdFeB Micromagnets

Advanced Materials Technologies, EarlyView.
50µm thick sputtered arrays of NdFeB micromagnets are directly integrated into a functional MEMS in‐plane electromagnetic vibration energy harvester. A combination of analytical modeling and numerical simulations guided the design of the magnet arrays and ad‐hoc coil, to produce a high transduction factor.
Ilona Lecerf, José Elìas Angulo‐Cervera, Frederico Orlandini‐Keller, Pierre Moritz, Fabrice Mathieu, David Bourrier, Samuel Charlot, Liviu Nicu, Thierry Leïchlé, Thibaut Devillers, Richard Haettel, Nora M. Dempsey, Thomas Blon, Lise‐Marie Lacroix   +13 more
wiley   +1 more source

Three dimensional block-matching video denoising algorithm based on dual-domain filtering

Tongxin xuebao, 2015
The dual-domain filtering was used to remove the video noise combining with three dimensional block-matching.The correlation of time-space domain for the video sequence was fully considered.The noisy image was replaced by the result of wavelet ...
Jin-sheng XIAO, Wen-hao LI, Hong JIANG, Hong PENG, Shen-tian ZHU   +4 more
doaj   +2 more sources

Algoritma Penyisipan Frame untuk Peningkatan Akurasi Metode Aligned Peak Signal-to-Noise Ratio dalam Pengukuran Kualitas Video

Jurnal Komputer Terapan, 2015
Pengukuran kualitas video secara objektif mampu mengatasi kekurangan penilaian kualitas secara subjektif dalam hal waktu dan tenaga yang dibutuhkan. Pengukuran secara objektif ini menggunakan sinyal video, noise, dan parameter encoder untuk memperkirakan
Yoanda Alim Syahbana, Wecka Imam Yudhystira, Syefrida Yulina   +2 more
doaj  

Analysis of the Impact of Impulsive Noise Parameters on BER Performance of OFDM Power-Line Communications

, 2014
It is well known that asynchronous impulsive noise is the main source of distortion that drastically affects the power-line communications (PLC) performance.
CORLAY, Patrick, Coudoux, François-Xavier, Gazalet, Marc G., Gharbi, Mohamed, Khalil, Kassim   +4 more
core  

Artificially Weaved Textile‐like Surface Micromachined Graphene‐Polymer Flexible Bioelectrodes

Advanced Materials Technologies, EarlyView.
This study reports on the engineering of microscale textured surfaces of SU‐8/PMMA polymer composites much like a “weft‐warp” pattern to resemble “artificially‐weaved” textiles. These microstructured surfaces enable conformal layering of functional reduced graphene oxide (rGO), all‐in‐all offering favorable features including remarkable self ...
Seba Nur Alhasan, S. Sajjad Mirbakht, Saygun Guler, Osman Sahin, Muhammad Umar, Burcu Arman Kuzubasoglu, Murat Kaya Yapici   +6 more
wiley   +1 more source

Transforming Room Acoustics with Causality‐Driven Dual‐Function Passive Metamaterials

Advanced Materials Technologies, EarlyView.
This work presents an dual acoustic metamaterial for rooms that achieves excellent broadband performance for both sound absorption and sound diffusion. This is done by using causality formulations linking the absorption of the passive system to its volume, yielding an optimal surface area ratio required for excellent sound absorption and while ...
Eric Ballestero, Yang Meng, Ping Sheng, Vincent Tournat, Vicent Romero‐García, Jean‐Philippe Groby   +5 more
wiley   +1 more source

Deep Trap Management in Organic Persistent Luminescence for Multi‐Mode Optical Information Storage

Advanced Optical Materials, EarlyView.
The D‐A‐D wedge‐shaped TADF emitter TCN, featuring a strong electron‐accepting segment, is employed as the guest of an organic trap‐induced persistent luminescence system, enabling multi‐mode excitation, and stimulation forms, deep trap, low aggregation‐induced quenching effect, and high thermal stability.
Cunjian Lin, Rujun Yang, Yang Li, Chenhan Zhan, Yajing Wang, Zixuan Zhang, Zishuang Wu, Da Xiong, Wenting Deng, Shihai You, Ying Lv, Yixi Zhuang, Rong‐Jun Xie, Jumpei Ueda   +13 more
wiley   +1 more source

Colossal Terahertz Emission with Ultrafast Tunability Based on Van der Waals Ferroelectric NbOI2

Advanced Optical Materials, EarlyView.
The widespread THz applications are hindered by the scarcity of efficient ultrafast THz sources with on‐demand fast modulation and easy on‐chip integration capability. Here the discovery of colossal THz emission is reported from a van der Waals (vdW) ferroelectric semiconductor NbOI2 and demonstrates the ultrafast coherent control of the THz emission ...
Sujan Subedi, Wenhao Liu, Wuzhang Fang, Carter Fox, Zixin Zhai, Fan Fei, Yuan Ping, Bing Lv, Jun Xiao   +8 more
wiley   +1 more source

Optical Wireless Communications with Metasurfaces: Current Status and Potential for Intelligent Communications

Advanced Photonics Research, EarlyView.
Optical wireless communications (OWCs) provide a promising alternative to spectrum‐congested microwave wireless communications. Recently, the use of metasurfaces with sub‐wavelength features for dynamic beam steering, beam manipulation, and spatial or optical‐angular‐momentum mode generation, conversion, and multiplexing in OWCs is proposed and ...
Ke Wang, Chengwei Fang, Md Osman Ali, Xiaojun Chen, Safa Alghadi, Shuo Li, Jiayuan He, Sithamparanathan Kandeepan   +7 more
wiley   +1 more source

Self‐Detecting Mid‐Infrared Dual‐Comb Spectroscopy Based on High‐Speed Injection‐Locked Quantum Cascade Lasers

Advanced Photonics Research, EarlyView.
A compact self‐detecting dual‐comb spectroscopy (DCS) system based on dispersion‐engineered, high‐speed packaged quantum cascade lasers (QCLs) at λ≈4.6 μm under coherent injection locking is demonstrated. Broad multiheterodyne comb signal with reduced tooth linewidths by orders of magnitude is recorded.
Yu Ma, Dapeng Wu, Ruixin Huang, Shichen Zhang, Binru Zhou, Zejun Ma, Yongqiang Sun, Junqi Liu, Ning Zhuo, Jinchuan Zhang, Shenqiang Zhai, Shuman Liu, Fengqi Liu, Manijeh Razeghi, Quanyong Lu   +14 more
wiley   +1 more source