Готові списки джерел за темами / Coherent Microwave Scattering

Добірка наукової літератури з теми "Coherent Microwave Scattering"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Coherent Microwave Scattering"

1

Duan, Xueyang, and Cathleen E. Jones. "Coherent Microwave Scattering Model of Marsh Grass." Radio Science 52, no. 12 (December 2017): 1578–95. http://dx.doi.org/10.1002/2017rs006325.

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2

Yang, Yuqi, Wei Luo, Bo Yin, and Yi Ren. "Electromagnetic Scattering of Rough Ground Surface Covered by Multilayers Vegetation." International Journal of Antennas and Propagation 2019 (April 11, 2019): 1–12. http://dx.doi.org/10.1155/2019/9413058.

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A microwave scattering model is proposed for the ground surface covered with multilayers vegetation. The vegetation leaves are simulated with the discrete elliptical particles in layers, which are randomly distributed above the randomly rough surface. The finite element method is applied to solve the scattering magnetic field equation based on the Dirichlet boundary, and the relationship between the radar cross section and bidirectional reflectance distribution function is deduced with the coherent scattering field. The internal mechanism of microwave scattering of multilayers vegetation is explored with the numerical results, and the relationship of vegetation growing parameter with scattering characteristic is established.
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3

Wu, Xuerui, Wenxiao Ma, Junming Xia, Weihua Bai, Shuanggen Jin, and Andrés Calabia. "Spaceborne GNSS-R Soil Moisture Retrieval: Status, Development Opportunities, and Challenges." Remote Sensing 13, no. 1 (December 24, 2020): 45. http://dx.doi.org/10.3390/rs13010045.

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Soil moisture is the most active part of the terrestrial water cycle, and it is a key variable that affects hydrological, bio-ecological, and bio-geochemical processes. Microwave remote sensing is an effective means of monitoring soil moisture, but the existing conventional radiometers and single-station radars cannot meet the scientific needs in terms of temporal and spatial resolution. The emergence of GNSS-R (Global Navigation Satellite Systems Reflectometry) technology provides an alternative method with high temporal and spatial resolution. An important application field of GNSS-R is soil moisture monitoring, but it is still in the initial stage of research, and there are many uncertainties and open issues. Based on a review of the current state-of-the-art of soil moisture retrieval using GNSS-R, this paper points out the limitations of existing research in observation geometry, polarization, and coherent and non-coherent scattering. The smooth surface reflectivity model, the random rough surface scattering model, and the first-order radiation transfer equation model of the vegetation, which are in the form of bistatic and full polarization, are employed. Simulations and analyses of polarization, observation geometry (scattering zenith angle and scattering azimuth angle), Brewster angle, coherent and non-coherent component, surface roughness, and vegetation effects are carried out. The influence of the EIRP (Effective Isotropic Radiated Power) and the RFI (Radio Frequency Interference) on soil moisture retrieval is briefly discussed. Several important development directions for space-borne GNSS-R soil moisture retrieval are pointed out in detail based on the microwave scattering model.
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4

Wu, Yue, Zhili Zhang, and Steven F. Adams. "O2 rotational temperature measurements by coherent microwave scattering from REMPI." Chemical Physics Letters 513, no. 4-6 (September 2011): 191–94. http://dx.doi.org/10.1016/j.cplett.2011.07.092.

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5

Tu, Hai-Tao, Kai-Yu Liao, Zuan-Xian Zhang, Xiao-Hong Liu, Shun-Yuan Zheng, Shu-Zhe Yang, Xin-Ding Zhang, Hui Yan, and Shi-Liang Zhu. "High-efficiency coherent microwave-to-optics conversion via off-resonant scattering." Nature Photonics 16, no. 4 (February 28, 2022): 291–96. http://dx.doi.org/10.1038/s41566-022-00959-3.

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6

Zhang, Zhili. "Quantitative Microplasma Electron Number Density Measurement by Coherent Microwave Rayleigh Scattering." IEEE Transactions on Plasma Science 39, no. 1 (January 2011): 593–95. http://dx.doi.org/10.1109/tps.2010.2088407.

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7

Wu, Yue, Jordan Sawyer, Zhili Zhang, Mikhail N. Shneider, and Albert A. Viggiano. "Measurement of sodium-argon cluster ion recombination by coherent microwave scattering." Applied Physics Letters 100, no. 11 (March 12, 2012): 114108. http://dx.doi.org/10.1063/1.3695064.

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8

Kapilevich, B., B. Litvak, T. Ben Yehuda, and O. Shotman. "Comparative characteristics of coherent and incoherent microwave scattering in dense inhomogeneous layers." Russian Physics Journal 49, no. 9 (September 2006): 913–16. http://dx.doi.org/10.1007/s11182-006-0201-y.

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9

Liao, Jingjuan, Tao Xu, and Guozhuang Shen. "Simulating Microwave Scattering for Wetland Vegetation in Poyang Lake, Southeast China, Using a Coherent Scattering Model." Remote Sensing 7, no. 8 (July 31, 2015): 9796–821. http://dx.doi.org/10.3390/rs70809796.

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10

Ranjan, Apoorv, Adam Patel, Xingxing Wang, and Alexey Shashurin. "Thomson microwave scattering for diagnostics of small plasma objects enclosed within glass tubes." Review of Scientific Instruments 93, no. 11 (November 1, 2022): 113541. http://dx.doi.org/10.1063/5.0111685.

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Анотація:
In this work, coherent microwave scattering in the Thomson regime was demonstrated for small-scale plasmas enclosed within a glass tube and validated using a well-known hairpin resonator probe technique. The experiments were conducted in a DC discharge tube with a diameter of 1.5 cm and a length of 7 cm. Thomson microwave scattering (TMS) diagnostics yielded electron number densities of about 5.9 × 1010 cm−3, 2.8 × 1010 cm−3, and 1.8 × 1010 cm−3 for air pressures in the discharge tube of 0.2, 0.5, and 2.5 Torr, respectively. Measurements using the TMS technique were consistent across the tested microwave frequencies of 3–3.9 GHz within the margin of error associated with non-idealities of the IQ mixer utilized in the circuit. The corresponding densities measured with the hairpin resonator probe were 4.8 × 1010, 3.8 × 1010, and 2.6 × 1010 cm−3. Discrepancies between the two techniques were within 30% and can be attributed to inaccuracies in the sheath thickness estimation required for correct interpretation of the hairpin resonator probe results.
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Дисертації з теми "Coherent Microwave Scattering"

1

Ghogomu, Nelson Nkeh. "Microwave optoelectronic 3-wave mixers in coherent detection of Brillouin scattering for temperature sensing." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311007.

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Книги з теми "Coherent Microwave Scattering"

1

Herdeg, Wolfgang. Polarimetrische Untersuchung der Kantenstreuung in der mono- und bistatischen Mikrowellenabbildung. Köln: Deutsche Forschungsanstalt für Luft- und Raumfahrt, 1991.

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Частини книг з теми "Coherent Microwave Scattering"

1

Li, Dong, Yunhua Zhang, Liting Liang, Jiefang Yang, and Xun Wang. "Monitoring of Tsunami/Earthquake Damages by Polarimetric Microwave Remote Sensing Technique." In Tsunami - Damage Assessment and Medical Triage. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91242.

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Polarization characterizes the vector state of EM wave. When interacting with polarized wave, rough natural surface often induces dominant surface scattering; building also presents dominant double-bounce scattering. Tsunami/earthquake causes serious destruction just by inundating the land surface and destroying the building. By analyzing the change of surface and double-bounce scattering before and after disaster, we can achieve a monitoring of damages. This constitutes one basic principle of polarimetric microwave remote sensing of tsunami/earthquake. The extraction of surface and double-bounce scattering from coherency matrix is achieved by model-based decomposition. The general four-component scattering power decomposition with unitary transformation (G4U) has been widely used in the remote sensing of tsunami/earthquake to identify surface and double-bounce scattering because it can adaptively enhance surface or double-bounce scattering. Nonetheless, the strict derivation in this chapter conveys that G4U cannot always strengthen the double-bounce scattering in urban area nor strengthen the surface scattering in water or land area unless we adaptively combine G4U and its duality for an extended G4U (EG4U). Experiment on the ALOS-PALSAR datasets of 2011 great Tohoku tsunami/earthquake demonstrates not only the outperformance of EG4U but also the effectiveness of polarimetric remote sensing in the qualitative monitoring and quantitative evaluation of tsunami/earthquake damages.
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Тези доповідей конференцій з теми "Coherent Microwave Scattering"

1

Wu, Yue, Jordan Sawyer, Zhili Zhang, and Mikhail Shneider. "Sodium Ion Kinetic Measurements by Coherent Microwave Scattering." In 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-990.

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2

Tatarinov, Victor N., and Sergey V. Tatarinov. "A Polarization Coherence Notion at the Coherent Scattering by Complex Radar Objects." In 2008 38th European Microwave Conference (EuMC). IEEE, 2008. http://dx.doi.org/10.1109/eumc.2008.4751652.

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3

Grady, Michael, and Thomas M. Weller. "Comparison of coherent and non-coherent scattering models for stratified media." In 2017 IEEE 18th Wireless and Microwave Technology Conference (WAMICON). IEEE, 2017. http://dx.doi.org/10.1109/wamicon.2017.7930259.

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4

Zhang, Zhili, and Mikhail Shneider. "Measurement of Recombination Rates of Sodium by Coherent Microwave Scattering." In 41st Plasmadynamics and Lasers Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-4885.

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5

Xu, Weiyuan, Dan Zhu, and Shilong Pan. "Coherent photonic RF channelization based on stimulated brillouin scattering." In 2015 International Topical Meeting on Microwave Photonics (MWP). IEEE, 2015. http://dx.doi.org/10.1109/mwp.2015.7356719.

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6

Tedesco, M., and P. Pampaloni. "Simulating Microwave Emission from Antarctica Ice Sheet with a Coherent Model." In Wave Propagation: Scattering and Emission in Complex Media - International Workshop. CO-PUBLISHED WITH WORLD SCIENTIFIC PUBLISHING CO AND SCIENCE PRESS, CHINA, 2005. http://dx.doi.org/10.1142/9789812702869_0028.

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7

Ilyin, N. V., I. G. Kondratyev, and A. I. Smirnov. "Coherent light scattering on plane gratings of silver nanoparticles." In 2004 14th International Crimean Conference "Microwave and Telecommunication Technology". IEEE, 2004. http://dx.doi.org/10.1109/crmico.2004.183335.

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8

Akchurin, Garif G. "Coherent optical methods of dynamic parameter diagnostics of microwave transistors." In Saratov Fall Meeting '98: Light Scattering Technologies for Mechanics, Biomedicine, and Material Science, edited by Valery V. Tuchin, Vladimir P. Ryabukho, and Dmitry A. Zimnyakov. SPIE, 1999. http://dx.doi.org/10.1117/12.341379.

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9

Zhang, Zhili, Jeremy Petersen, and Mikhail Shneider. "Microplasma Electron Number Density Measurement by Resonant Coherent Microwave Rayleigh Scattering." In 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-858.

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10

YiNan, Zhao, Wang Jun, and Qiao Xiaolin. "Polarimetric Scattering Properties of Chaff Clouds for Non-coherent Radars." In 2007 International Conference on Microwave and Millimeter Wave Technology. IEEE, 2007. http://dx.doi.org/10.1109/icmmt.2007.381391.

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