Results 11 to 20 of about 61,579 (120)
Remote Wideband Microwave Frequency Measurement Based on a Single-Passband Microwave Photonic Filter
IEEE Photonics Journal, 2012 A new method for remote wideband microwave frequency measurement utilizing a single-passband microwave photonic filter is proposed, theoretically analyzed, and experimentally demonstrated. The frequencies of the input microwave signals can be measured by
Hongyan Fu, Zuowei Xu, Kun Zhu
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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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Nonlinear Analysis, 2022 In this paper, the full-wave analysis of the direct scattering problem in the rectangular waveguide is derived. The numerical calculation results of the scattering characteristics are presented.
Ilona Zamaraite +5 more
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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
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Material Characterization Innovations in Microwave Measurement Laboratory of Amirkabir University of Technology [PDF]
International Journal of Information and Communication Technology Research, 2023 This paper presents some microwave circuits, designed for characterization of materials’ permittivity. These include single and multiple-resonant types, transmission line approaches, radiation structures and planar circuits.
Gholamreza Moradi
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IEEE Photonics Journal, 2017 We propose and experimentally demonstrate photonic measurement of microwave frequency by utilizing an optomechanical microring resonator (MRR). The pump powers injected into the MRR would result the resonance red-shifts based on nonlinear effects. In the
Li Liu, Huaqing Qiu, Zhi Chen, Zhihua Yu
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IET Science, Measurement & Technology, 2023 In this paper, an improved two‐step method is presented for the sensitivity analysis of vector network analyzer (VNA) S‐parameter measurements due to the non‐ideal line‐reflect‐match (LRM) calibration standards.
Wei Zhao +5 more
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Propagation Constant Measurement Based on a Single Transmission Line Standard Using a Two-Port VNA
Sensors, 2023 This study presents a new method for measuring the propagation constant of transmission lines using a single line standard and without prior calibration of a two-port vector network analyzer (VNA).
Ziad Hatab +4 more
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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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Intelligent Measurement of Coal Moisture Based on Microwave Spectrum via Distance-Weighted kNN
Applied Sciences, 2022 Realizing the rapid measurement of coal moisture content (MC) is of great significance. However, existing measurement methods are time-consuming and damage the original properties of the samples.
Ming Li +5 more
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