Results 81 to 90 of about 59,947 (271)

An Efficient Time Reversal Technique Based on CSF-MUSIC for Unexploded Ordinances Localization

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The time reversal (TR) imaging technique demonstrates favorable positioning accuracy and target discrimination capability, making it well-suited for unexploded ordnance (UXO) detection applications.
Jinhong Wang, Xiaoshuai Wang, Lele Zhang, Binfeng Yang, Yuanguo Zhou, Quan Xue   +5 more
doaj   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

Advanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief, Swagato Sarkar, Anik Kumar Ghosh, Osvalds Verners, Kamal Kumar Meena, Su‐Hyeong Lee, Soosang Chae, Tobias A. F. König, Beate Krause, Andreas Fery, Mehmet Sait Özer, Anindya Nag, Amit Das   +12 more
wiley   +1 more source

V-Band Multiport Heterodyne Receiver for High-Speed Communication Systems

EURASIP Journal on Wireless Communications and Networking, 2006
A V-band receiver using a MHMIC multiport circuit is presented in this paper. The millimeterwave frequency conversion is performed using a passive circuit, the multiport, and related power detectors, avoiding the conventional millimeter-wave active ...
Serioja O. Tatu, Emilia Moldovan
doaj   +1 more source

Short‐Wavelength Infrared Imaging with Organic Photodetectors Based on Non‐Fullerene Acceptors with Detection above 1200 nm

Advanced Materials, EarlyView.
Solution‐processed organic photodetectors (OPDs) based on two novel low band gap non‐fullerene acceptors BZIC‐2F and BZIC‐2Cl, when blended with common polymer donor P3HT, extend detection range beyond 1200 nm with superior performance, rivaling costly inorganic sensors and past literature.
Zhuoran Qiao, Sandeep Sharma, Yakun He, Marie Houot, Kun‐Han Lin, Davide Nodari, Filip Aniés, Matilde Brunetta, Patipan Sukpoonprom, Eunyoung Hong, Edoardo Angela, Zian Wang, Pichaya Pattanasattayavong, Martyn A. McLachlan, Artem Bakulin, Denis Andrienko, Frédéric Laquai, Martin Heeney, Nicola Gasparini   +18 more
wiley   +1 more source

Expectation-Maximization-Based Simultaneous Localization and Mapping for Millimeter-Wave Communication Systems. [PDF]

Sensors (Basel), 2022
Chen L, Chen Z, Ji Z.
europepmc   +1 more source

Design and Development of Dual Band Millimeter Wave Substrate Integrated Waveguide Antenna Array

Measurement Science Review
New communication paradigms have emerged to make better use of the available wireless spectrum due to its scarcity. Millimeter wave high-frequency spectrum could offer a viable solution to the problem of spectrum scarcity.
Santhakumar G, Muthukumar R
doaj   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

Towards 100 Gbps over 100 km: System Design and Demonstration of E-Band Millimeter Wave Communication. [PDF]

Sensors (Basel), 2022
Zhang Z, Zou X, Li Q, Wei N.
europepmc   +1 more source

Novel air-to-air data link system based on millimeter wave communication

Tongxin xuebao, 2023
In order to solve the problems of insufficient communication rate between networked fighters, signals being easily eavesdropped and interfered, and unsatisfactory networking performance in the existing air-to-air inter-aircraft data links, a millimeter ...
Pengzheng XU, Qiyue YU, Hongchi LIN, Haining LIU   +3 more
doaj   +2 more sources

Design of a CMOS Low Power Voltage Controlled Oscillator

Chemical Engineering Transactions, 2017
In the millimeter wave wireless communication system, frequency source is an indispensable device in the communication equipment. It is designed to provide a local oscillator signal for the receiving and transmitting system. Its tuning range, phase noise
Fucui Huo
doaj   +1 more source