Results 21 to 30 of about 79,732 (357)
IET Microwaves, Antennas & Propagation, 2023 In millimetre wave (mmWave) frequency band, radio resource management (RRM) performance is characterised in plane wave conditions using radiated over‐the‐air test method, which is a challenging combination of protocol and radio frequency performance ...
Yu Zhang +4 more
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A New Approach for Liquid Scanners to Determine Flammable Liquid Concentration in Solutions
Hittite Journal of Science and Engineering, 2021 Strong liquid explosives were obtained by mixing some chemical liquids and these explosives were used in many terrorist attacks in crowded places such as airports, railway stations and shopping malls.
Ebru Efeoğlu, Gürkan Tuna
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Harmonic Suppressed Slot Antennas Using Rectangular/Circular Defected Ground Structures
International Journal of Antennas and Propagation, 2012 Two wide rectangle-shaped microstrip-fed 2.6-GHz slot antennas using defected ground structures (DGSs) with a low design complexity are proposed to achieve wideband harmonic suppression.
Mohammad Saeid Ghaffarian +2 more
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IEEE Photonics Journal, 2022 This paper presents a photonics-based instantaneous microwave frequency measurement system. The system operates based on the frequency-to-power mapping technique.
Henghao Chen +2 more
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Testing devices under different source impedances: a novel technique for on-line measurement of source and device reflection coefficients [PDF]
, 1999 This paper describes a new approach for fast and accurate determination of the source reflection coefficient in microwave source-pull measurements. To the authors' knowledge, this is the only technique that allows the simultaneous measurement of the ...
A. Ferrero +11 more
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Radio-Frequency and Microwave Techniques for Non-Invasive Measurement of Blood Glucose Levels
Diagnostics, 2019 This paper reviews non-invasive blood glucose measurements via dielectric spectroscopy at microwave frequencies presented in the literature. The intent is to clarify the key challenges that must be overcome if this approach is to work, to suggest some ...
T. Yilmaz, R. Foster, Y. Hao
semanticscholar +1 more source
Dispersive Fourier Transformation for Versatile Microwave Photonics Applications [PDF]
, 2014 : Dispersive Fourier transformation (DFT) maps the broadband spectrum of an ultrashort optical pulse into a time stretched waveform with its intensity profile mirroring the spectrum using chromatic dispersion.
Wang, Chao, Chao Wang
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Italian National Conference on Sensors, 2021 Recent developments in the field of microwave planar sensors have led to a renewed interest in industrial, chemical, biological and medical applications that are capable of performing real-time and non-invasive measurement of material properties.
R. Alahnomi +6 more
semanticscholar +1 more source
Optical Fiber Displacement Sensor Based on Microwave Photonics Interferometry
Sensors, 2018 An optical fiber displacement sensor based on the microwave photonics interferometric (MWPI) method is proposed and experimented, which provides an ideal solution for large range displacement measurement with high resolution.
Hao Dong +4 more
doaj +1 more source
Microwave Measurements. Part II - Nonlinear Measurements [PDF]
, 2007 This paper addresses the problems in microwave non-linear measurements. It discusses techniques to synthesize loads, the most used non-linear measurement techniques, and harmonic load-pulling.
Camarchia, Vittorio +3 more
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