Results 91 to 100 of about 155,916 (298)

Receiver Techniques and Detectors for Use at Millimeter and Submillimeter Wave Lengths Annual Report, 1 Oct. 1965 - 30 Sep. 1966 [PDF]

Millimeter and submillimeter wave receiver techniques and ...

core   +1 more source

Highly Sensitive Electrochemical Biosensor Based on Hairy Particles with Controllable High Enzyme Loading and Activity

Advanced Functional Materials, EarlyView.
For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin, Anila Antony, Hongtao Cai, Antonia Debevc, Ceyda Topal, Anne Linhardt, Alla Synytska, Leonid Ionov   +7 more
wiley   +1 more source

User Effects on Mobile Phone Antennas: Review and Potential Future Solutions

IEEE Open Journal of Antennas and Propagation
This paper explores the significant impact of human proximity on antenna design evolution in mobile communication from GSM to LTE and future 5G technologies.
Igor Syrytsin, Gert Frolund Pedersen, Shuai Zhang   +2 more
doaj   +1 more source

RF Energy Harvesting for Ubiquitous, Zero Power Wireless Sensors

International Journal of Antennas and Propagation, 2018
This paper presents a review of wireless power transfer (WPT) followed by a comparison between ambient energy sources and an overview of different components of rectennas that are used for RF energy harvesting. Being less costly and environment friendly,
Warda Saeed, Nosherwan Shoaib, Hammad M. Cheema, Muhammad U. Khan   +3 more
doaj   +1 more source

Compact Microstrip NWB/DWB BPFs With Controllable Isolation Bandwidth for Interference Rejection

IEEE Access, 2019
In this paper, a novel and planar topology, which can be used to design notched-/dual-wideband bandpass filters (NWB/DWB BPFs) with controllable isolation bandwidth, is presented for interference rejection.
Xiao-Kun Bi, Xiao Zhang, Guan-Long Huang, Tao Yuan   +3 more
doaj   +1 more source

Receiver techniques and detectors for use at millimeter and submillimeter wavelengths semiannual report, 1 sep. 1964 - 28 feb. 1965 [PDF]

Signal detection and receiving techniques for millimeter and submillimeter ...

core   +1 more source

Modulating Electrochemical CO2 Reduction Pathways via Interfacial Electric Field

Advanced Functional Materials, EarlyView.
Engineering interfacial electric fields in Cu/ITO electrodes enables precise control of CO2 reduction pathways. Charge transfer from Cu to ITO generates positively charged Cu species that steer selectivity from ethylene toward methane. This work demonstrates how interfacial electric‐field modulation can direct reaction intermediates and transform ...
Mahdi Salehi, Zhengyuan Gao, Sai Phani Kumar Vangala, Amirhossein Farzi, Hamed Heidarpour, Morgan McKee, Nikolay Kornienko, Ali Seifitokaldani   +7 more
wiley   +1 more source

Millimeter-wave radiometry for radio astronomy Final report [PDF]

Lunation study using millimeter wave radiometry for radio ...
Cooper, C. A., Rusch, W. V. T., Slobin, S. D.   +2 more
core   +1 more source

Novel Millimeter-Wave Electro-optic Modulator [PDF]

, 1990
A waveguide LiNbO_3 electro-optic modulator has been demonstrated with a novel wave-coupling technique which greatly reduces phase-velocity mismatch. An 8-12 GHz version produces 48° phase modulation with 126 mW of drive power.
Bridges, William B., Schaffner, James H., Sheehy, Finbar T.   +2 more
core  

Performance Analysis of Fifth-Generation Cellular Uplink

, 2015
Fifth-generation cellular networks are expected to exhibit at least three primary physical-layer differences relative to fourth-generation ones: millimeter-wave propagation, antenna-array directionality, and densification of base stations. In this paper,
Talarico, Salvatore, Torrieri, Don, Valenti, Matthew C.   +2 more
core   +1 more source