Relevant bibliographies by topics / Microwave measurement

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Microwave measurement'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 March 2023

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Journal articles on the topic "Microwave measurement"

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Matveev, V. I. "MICROWAVE MOISTURE MEASUREMENT." Kontrol'. Diagnostika, no. 288 (June 2022): 18–22. http://dx.doi.org/10.14489/td.2022.06.pp.018-022.

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The article describes the wide possibilities of microwave methods for measuring humidity of a large range of products, their differences and advantages. Specific examples and the most common schemes of implemented microwave moisture meters are given. The ways of development of microwave moisture measurement in modern conditions are shown.
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Bartoli, Frediani, Briens, Berruti, and Rosi. "An Overview of Temperature Issues in Microwave-Assisted Pyrolysis." Processes 7, no. 10 (September 26, 2019): 658. http://dx.doi.org/10.3390/pr7100658.

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Microwave-assisted pyrolysis is a promising thermochemical technique to convert waste polymers and biomass into raw chemicals and fuels. However, this process involves several issues related to the interactions between materials and microwaves. Consequently, the control of temperature during microwave-assisted pyrolysis is a hard task both for measurement and uniformity during the overall pyrolytic run. In this review, we introduce some of the main theoretical aspects of the microwaves–materials interactions alongside the issues related to microwave pyrolytic processability of materials.
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Velychko, Oleh, Valentyn Gaman, and Serhii Kursin. "Calibration features for power meters of high and microwave frequencies." Ukrainian Metrological Journal, no. 2 (June 30, 2022): 9–14. http://dx.doi.org/10.24027/2306-7039.2.2022.263724.

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Microwave frequency power measurement is one of the main types of the measurement for measuring instruments and systems in the radio frequency range. Therefore, improving the accuracy of measuring the microwave frequency power requires the establishment of more precise standards, and the development of calibration methods for meters of microwave frequency power is an urgent task. Microwave frequency power standards that are used to calibrate the relevant measuring instruments must ensure high accuracy of the unit size reproduction over a wide measurement and frequency range. The study allowed determining typical calibration schemes for meters of microwave frequency power. For measurements, the calibration scheme for meters of microwave frequency power by the method of a direct comparison with the help of a calibrator when measuring the absorbed power of microwave frequencies is substantiated and suggested. The proposed methodology for evaluating the uncertainty of absorbed power measurements can be used when calibrating power meters in the frequency range from 30 MHz to 18 GHz. It allows determining the most significant components of the combined standard uncertainty of the absorbed power measurements of ultrahigh frequencies, as well as to receive the result of the corresponding calibration. This methodology can also be used to evaluate the uncertainty of microwave frequency directional measurements.
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Pang, Shao Feng, Yan Chen, Ming Quan Jia, and Ling Tong. "Indoor Microwave Scattering Properties Measurement and Study of Soil." Key Engineering Materials 500 (January 2012): 403–8. http://dx.doi.org/10.4028/www.scientific.net/kem.500.403.

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Microwave scattering properties study of soil is a very important microwave scattering mechanism element, it is the basis of the study on backscattering model for remote sensing and electromagnetic parameters inversion. The paper describes the principle, the buildup and the measurement process of the indoor microwave scattering measurement system first. Then we focus on the microwave scattering properties study of the soil, carrying out abundance measurements under different types of roughness, different water content, different polarizations and different angles of incidence. By comparing the measurement data with the model of AIEM, the system is proved to be of satisfactory performance and can get the scattering property of the measurement sample with high precision, which can lay a solid foundation for the deeper research on the mechanism of the microwave remote sensing of soil.
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Shaw, Brian M. "Book Review: Microwave Measurement." International Journal of Electrical Engineering & Education 24, no. 3 (July 1987): 285–86. http://dx.doi.org/10.1177/002072098702400325.

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Song, Shijie, Xiaoke Yi, Lu Gan, Wenjian Yang, Linh Nguyen, Suen Chew, Liwei Li, and Robert Minasian. "Photonic-Assisted Scanning Receivers for Microwave Frequency Measurement." Applied Sciences 9, no. 2 (January 17, 2019): 328. http://dx.doi.org/10.3390/app9020328.

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We present a novel technique based on matrix pencil assisted deconvolution to improve the measurement resolution in scanning receiver systems for microwave frequency measurements. By modeling the scanning receiver output as the cross-correlation of the input modulated signal with the filter’s spectral response and applying the matrix pencil algorithm to convolve the detected optical signal at the receiver output, our technique offers precise estimations of both the frequency and power information of microwave signals with an improved measurement resolution. A multi-tone microwave signal measurement based on an optical filter is experimentally demonstrated, showing a significant measurement resolution reduction from 1 GHz to 0.4 GHz for two radio frequency (RF) tones, which is only about 30.2% of the optical filter bandwidth.
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Kahrs, Mark. "Patents in Microwave Measurement: Measurement Connectors [Tidbits]." IEEE Microwave Magazine 23, no. 9 (September 2022): 23–26. http://dx.doi.org/10.1109/mmm.2022.3180152.

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Nowak, D., M. Stachowicz, K. Granat, and M. Pigiel. "Microwave Absorption by Used Moulding and Core Sands." Archives of Foundry Engineering 12, no. 3 (September 1, 2012): 87–90. http://dx.doi.org/10.2478/v10266-012-0087-9.

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Abstract The paper presents measurement results of standing wave ratio to be used as an efficiency indicator of microwave absorption by used moulding and core sands chosen for the microwave utilization process. The absorption measurements were made using a prototype stand of microwave slot line. Examined were five used moulding and core sands. It was demonstrated that the microwave absorption measurements can make grounds for actual microwave utilization of moulding and core sands.
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Krupka, Jerzy. "Microwave Measurements of Electromagnetic Properties of Materials." Materials 14, no. 17 (September 6, 2021): 5097. http://dx.doi.org/10.3390/ma14175097.

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A review of measurement methods of the basic electromagnetic parameters of materials at microwave frequencies is presented. Materials under study include dielectrics, semiconductors, conductors, superconductors, and ferrites. Measurement methods of the complex permittivity, the complex permeability tensor, and the complex conductivity and related parameters, such as resistivity, the sheet resistance, and the ferromagnetic linewidth are considered. For dielectrics and ferrites, the knowledge of their complex permittivity and the complex permeability at microwave frequencies is of practical interest. Microwave measurements allow contactless measurements of their resistivity, conductivity, and sheet resistance. These days contactless conductivity measurements have become more and more important, due to the progress in materials technology and the development of new materials intended for the electronic industry such as graphene, GaN, and SiC. Some of these materials, such as GaN and SiC are not measurable with the four-point probe technique, even if they are conducting. Measurement fixtures that are described in this paper include sections of transmission lines, resonance cavities, and dielectric resonators.
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Bai, Jingxu, Jiabei Fan, Liping Hao, Nicholas L. R. Spong, Yuechun Jiao, and Jianming Zhao. "Measurement of the Near Field Distribution of a Microwave Horn Using a Resonant Atomic Probe." Applied Sciences 9, no. 22 (November 14, 2019): 4895. http://dx.doi.org/10.3390/app9224895.

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We measure the near field distribution of a microwave horn with a resonant atomic probe. The microwave field emitted by a standard microwave horn is investigated utilizing Rydberg electromagnetically inducted transparency (EIT), an all-optical Rydberg detection, in a room temperature caesium vapor cell. The ground 6 S 1 / 2 , excited 6 P 3 / 2 , and Rydberg 56 D 5 / 2 states constitute a three-level system, used as an atomic probe to detect microwave electric fields by analyzing microwave dressed Autler–Townes (AT) splitting. We present a measurement of the electric field distribution of the microwave horn operating at 3.99 GHz in the near field, coupling the transition 56 D 5 / 2 → 57 P 3 / 2 . The microwave dressed AT spectrum reveals information on both the strength and polarization of the field emitted from the microwave horn simultaneously. The measurements are compared with field measurements obtained using a dipole metal probe, and with simulations of the electromagnetic simulated software (EMSS). The atomic probe measurement is in better agreement with the simulations than the metal probe. The deviation from the simulation of measurements taken with the atomic probe is smaller than the metal probe, improving by 1.6 dB. The symmetry of the amplitude distribution of the measured field is studied by comparing the measurements taken on either side of the field maxima.
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Dissertations / Theses on the topic "Microwave measurement"

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Khattak, Muhammad I. "Microwave measurement techniques for wearable antennas." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6454.

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This research is germane to the area of on-body antennas and the characterisation of antennas in close proximity to biological matter. The ranges of frequencies discussed are currently popular for mobile communications, namely 0.9GHz to 6GHz with spot frequencies of GSM900, GSM1800 and WiFi2.5GHz. Particular attention is given to the elimination of errors in measurement. This is achieved by the characterisation of an anechoic chamber; a study of the effects of cables; a study of the interaction of surface currents and the human body; a study of tissue simulating liquid; the design of a simple body phantom; the characterisation of the on-body channel for human males in wet and dry clothing and a comparison of perturbation on antennas close to humans and a phantom.
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Gau, Jiahn-Rong J. "Microwave absorber analysis, design and measurement /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487859313347128.

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Williams, Wyman L. Rutledge David B. Rutledge David B. "Computer-aided measurement of microwave circuits /." Diss., Pasadena, Calif. : California Institute of Technology, 1989. http://resolver.caltech.edu/CaltechETD:etd-02162007-080706.

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Guler, Michael George. "Spherical microwave holography." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/15055.

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Devaraj, Kiruthika. "The centimeter- and millimeter-wavelength ammonia absorption spectra under jovian conditions." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42806.

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Accurate knowledge of the centimeter- and millimeter-wavelength absorptivity of ammonia is necessary for the interpretation of the emission spectra of the jovian planets. The objective of this research has been to advance the understanding of the centimeter- and millimeter-wavelength opacity spectra of ammonia under jovian conditions using a combination of laboratory measurements and theoretical formulations. As part of this research, over 1000 laboratory measurements of the 2-4 mm-wavelength properties of ammonia under simulated upper and middle tropospheric conditions of the jovian planets, and approximately 1200 laboratory measurements of the 5-20 cm-wavelength properties of ammonia under simulated deep tropospheric conditions of the jovian planets have been performed. Using these and pre-existing measurements, a consistent mathematical formalism has been developed to reconcile the centimeter- and millimeter-wavelength opacity spectra of ammonia. This formalism can be used to estimate the opacity of ammonia in a hydrogen/helium atmosphere in the centimeter-wavelength range at pressures up to 100 bar and temperatures in the 200 to 500 K range and in the millimeter-wavelength range at pressures up to 3 bar and temperatures in the 200 to 300 K range. In addition, a preliminary investigation of the influence of water vapor on the centimeter-wavelength ammonia absorptivity spectra has been conducted. This work addresses the areas of high-sensitivity centimeter- and millimeter-wavelength laboratory measurements, and planetary science, and contributes to the body of knowledge that provides clues into the origin of our solar system. The laboratory measurements and the model developed as part of this doctoral research work can be used for interpreting the emission spectra of jovian atmospheres obtained from ground-based and spacecraft-based observations. The results of the high-pressure ammonia opacity measurements will also be used to support the interpretation of the microwave radiometer (MWR) measurements on board the NASA Juno spacecraft at Jupiter.
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Statz, C., J. Küttner, D. Plettemeier, and Thomas Herlitzius. "SEBIMO - Microwave-based Measurement of Soil Parameters." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-229895.

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Mercer, Sean R. "Online microwave measurement of complex dielectric constant." Doctoral thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/8342.

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This dissertation examines the problem of on-line measurement of complex dielectric constant for the purpose of dielectric discrimination or product evaluation using microwave techniques. Various methods of signal/sample interaction were studied and consideration was given to the problem of sorting irregularly shaped discrete samples. The use of microwave transmission and reflection measurements was evaluated. The signal reflection methods were deemed to be best suited to applications with constant geometry feed presentation ( ie. a continuous, homogeneous product stream with little variation in surface geometry).
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Isa, Maryam Binte Mohd. "Microwave radar sensor for solid flow measurement." Thesis, University of Manchester, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488369.

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Industrial flow measurement is a challenging area and in high demand. Tremendous research has been carried out to improve and solve problems in the flow measurement system. Thus, new techniques are produced and a wider range of flow measurement solutions have become available in market. This study has introduced a new technique that is useful and proves to be applicable in industrial flow measurement system. Microwave Doppler radar sensor was used to extract useful information of the solid flow characteristics. The amplitude level of the Doppler signal is analysed instead of the frequency shift that is normally used in conventional Doppler radar sensor. The relation between the amplitude level and the characteristic of the flow was determined to define the characteristics of the flow. The solids weight and dimension are among the characteristics that are investigated in this study. Microwave sensor circuits based on Doppler radar technique operating at 2.45GHz and 10.58GHz were designed, constructed and tested. The 2.45GHz system was built in the initial study and pre-testing of the Doppler radar sensor system prior to the construction of the 10.58GHz system that was later used for the measurement purposes. The antennas and circuit analyses were carried out in building an optimum sensor system. Two-antenna and two-antenna with copper plate are two new antenna configurations that are applied in single solid flow measurement analysis. The flow measurements were carried out using different types of solids ranges from 4mm to 20mm sizes and 0.02g to 0.63g of weight for single and multiple solids flow. The linear relations of the reflected power and the solids characteristics determined from the analyses are found to be useful in differentiating the type of solids and measuring the total weight of solids flowing.
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Louw, Willem J. "Microwave heating of multiphase materials : modelling and measurement." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/21217.

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Thesis (MScIng)--University of Stellenbosch, 2005.
ENGLISH ABSTRACT: Both coaxial probe and waveguide (WG) measurement systems for electric and magnetic material property extraction were investigated. These measurement techniques were used to determine electrical properties of an inhomogeneous rock sample in its solid and crushed states. A lumped element model of the probe was used and permittivity was determined by the inversion algorithm developed by Stuchly and Stuchly. To support this technique it was compared to a full wave inversion algorithm and referenced to properties of the same samples but determined by a resonant cavity technique. The Nicholson, Ross and Weir inversion algorithm was used to determine material properties from WG measurements. As a reference, the same techniques were applied to a well defined material. It was found that neither of the measurement techniques could measure low loss factors or conductive materials and literature values were used in these cases. Various simulation models of the multiphase ore in both its solid and crushed states are presented. These models were utilised in finite-difference time-domain (FDTD) simulations of different microwave (MW) cavities. Simulation and experimental S-parameter comparisons are presented. The level of accuracy achieved varies as a function of the geometrical representation and material properties. After an S-parameter comparison with simulation results it was concluded that the electrical properties of both the solid and crushed rocks have been well determined for MW cavity design. Predicted and measured field distributions in cavities were also compared and it is shown that accurate models of multiphase materials become especially important in the determination of field distributions in and around different rock phases. Recommendations for the suggested material property determination and verification processes are presented. A specific application of this work is in the field of microwave assisted comminution.
AFRIKAANSE OPSOMMING: ’n Koaksiale probe en golfgeleier (WG) stelsels vir die bepaling van materiaal eienskappe (elektries en magneties) word gebruik met die doel om ’n nie-homogene rotsmonster te karakteriseer. Die ekstraksie algoritme van Stuchly en Stuchly word gebruik om die materiaal eienskappe te bepaal vanaf die gemete S11-parameter. Hierdie ekstraksie metode word vergelyk met ’n vol golf ekstraksie van permitiwiteit vanaf dieselfde gemete data. Beide die ekstraksie metodes word dan vergelyk met resonante holte meetings van dieselfde materiale. Die Nicholson, Ross en Weir ekstraksie algoritme word toegepas op meetings wat gedoen is deur die golfgeleier stelsel. As ’n verwysing word dieselfde tegnieke toegepas op ’n bekende materiaal en daar is gevind dit stem goed ooreen behalwe dat nie een van die twee meet tegnieke lae verlies faktore kan meet nie. Verder kan nie een van die twee sisteme geleidende materiale meet nie. Vir sulke gevalle is waardes nageslaan. Verskeie simulasiemodelle van die rots word voorgestel vir beide soliede en vergruisde monsters. Hierdie modelle word gebruik in FDTD simulasies van verskeie mikrogolftoevoegers met die oog om ’n vergelyking te tref tussen gesimuleerde en gemete S-parameters. Verskillende vlakke van akkuraatheid is bereik en is ’n funksie van die geometrie en die materiaaleienskappe van die model. Nadat gemete en gesimuleerde S-parameters vergelyk is, is gevind dat die materiaal eienskappe van beide die soliede en vergruisde rots monsters goed bepaal is vir mikrogo lf toevoeger ontwerp. Voorspelde en gemete veldverspreidings word ook vergelyk en dit is veral hierso van belang om ’n realistiese model van die nie-homogene monster te gebruik. Sekere voorstelle word gemaak om die verskillende aspekte van die meet van ma teriaaleienskappe en simulasiemodelle te kan verfyn. ’n Spesifieke toepassing van hierdie werk is in mikrogolf ondersteunde skeiding van minerale en erts.
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Amiet, Andrew. "Free space permittivity and permeability measurements at microwave frequencies." Monash University, Dept. of Electrical and Computer Systems Engineering, 2003. http://arrow.monash.edu.au/hdl/1959.1/9529.

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Books on the topic "Microwave measurement"

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E, Bailey A., Institution of Electrical Engineers, and IEE Vacation School on Microwave Measurements (1985 : University of Kent at Canterbury), eds. Microwave measurement. London, UK: P. Peregrinus on behalf of the Institution of Electrical Engineers, 1985.

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D, Hunter J., and Institution of Electrical Engineers, eds. Microwave impedance measurement. London, UK: P. Peregrinus Ltd on behalf of the Institution of Electrical Engineers, 1985.

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Radio frequency & microwave power measurement. London, U.K: P. Peregrinus on behalf of the Institution of Electrical Engineers, 1990.

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Douglas, Skinner A., and Institution of Engineering and Technology, eds. Microwave measurements. 3rd ed. London: Institution of Engineering and Technology, 2007.

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Workshop-cum-Symposium on Microwave Measurement Techniques and Applications (2002 Jawaharlal Nehru University). Microwave measurement techniques and applications. Edited by Behari Jitendra. New Delhi: Anamaya Publishers, 2003.

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Microwave measurement by comparison methods. Amsterdam: Elsevier, 1988.

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Teppati, Valeria, Andrea Ferrero, and Mohamed Sayed, eds. Modern RF and Microwave Measurement Techniques. Cambridge: Cambridge University Press, 2009. http://dx.doi.org/10.1017/cbo9781139567626.

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Linfeng, Chen, ed. Microwave electronics: Measurement and materials characterisation. Chichester: John Wiley, 2004.

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Chen, Lin-Feng. Microwave electronics: Measurement and materials characterisation. New York: John Wiley & Sons, 2004.

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National Institute of Standards and Technology (U.S.), ed. Power measurement system for 1 mW at 1 GHz. Boulder, Colo: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1991.

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Book chapters on the topic "Microwave measurement"

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Ida, N. "Microwave Measurement Techniques." In Microwave NDT, 152–70. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2739-4_5.

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Dubey, SatyaKesh, Naina Narang, Parmendra Singh Negi, and Vijay Narain Ojha. "Microwave Measurement Systems." In SpringerBriefs in Electrical and Computer Engineering, 11–24. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6280-3_3.

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Klein, Norbert. "Microwave Properties and Measurement Techniques." In Polar Oxides, 99–118. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch5.

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Chaturvedi, Prakash Kumar. "Microwave Measurement: Instruments and Techniques." In Microwave, Radar & RF Engineering, 271–95. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7965-8_7.

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Neumeyer, B. "Comparison of Different S-Parameter Measurement Systems in the MM-Wave Range." In Microwave Applications, 71–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83157-7_8.

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Karmakar, Nemai Chandra, Yang Yang, and Abdur Rahim. "Correlation Coefficient Measurement for WBAN Channels." In Microwave Sleep Apnoea Monitoring, 213–26. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6901-7_11.

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Murthy, V. R. K. "Methods of Measurement of Dielectric Constant and Loss in the Microwave Frequency Region." In Microwave Materials, 100–111. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-08740-4_4.

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Antipov, Sergey A. "Microwave Measurement of the Cloud Density." In Fast Transverse Beam Instability Caused by Electron Cloud Trapped in Combined Function Magnets, 37–49. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02408-6_3.

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Michaelson, Sol M., and James C. Lin. "Radio and Microwave Dosimetry and Measurement." In Biological Effects and Health Implications of Radiofrequency Radiation, 47–91. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-4614-3_3.

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Xiao, F., Zhao Xian Xiong, X. Y. Dong, and G. S. Yang. "Automatic Multimode Measurement for Microwave Ceramics." In High-Performance Ceramics V, 195–97. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.195.

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Conference papers on the topic "Microwave measurement"

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"Electromagnetic measurements. Microwave measurement." In 2017 Radiation and Scattering of Electromagnetic Waves (RSEMW). IEEE, 2017. http://dx.doi.org/10.1109/rsemw.2017.8103683.

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Glibitskiy, Gennadiy M. "Microwave measurement receiver." In Millimeter and Submillimeter Waves and Applications: International Conference, edited by Mohammed N. Afsar. SPIE, 1994. http://dx.doi.org/10.1117/12.183011.

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Grzybowski, Richard, George Foyt, Hartwig Knoell, William Atkinson, and Josef Wenger. "Microwave Blade Tip Clearance Measurement System." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-002.

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This paper describes the development of a Microwave Tip Clearance Measurement System for use in the gas turbine environment Applications for this sensor include basic tip clearance measurements, seal wear measurement and active blade tip clearance control in gas turbine engines. The system being developed was designed for useful operation to temperatures exceeding 1093°F, since only ceramic materials are directly exposed in the gas path. Other advantages of this microwave approach to blade tip clearance sensing include the existence of an inherent self-calibration in the sensor that permits accurate operation despite temperature variations and possible abrasion by the rotating blades. Earlier experiments designed to simulate this abrasion of the sensor head indicated that rubs as deep as 1 mm (40 mils) were easily tolerated. In addition, unlike methods based upon phase measurements, this method is very insensitive to cable vibration and length variations. Finally, this microwave technique is expected to be insensitive to fuel and other engine contamination, since it is based on the measurement of resonant frequencies, which are only slightly affected by moderate values of loss due to contamination.
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Glibitzki, G. M. "The microwave measurement receiver." In International Conference on Millimeter and Submillimeter Waves and Applications 1994. SPIE, 2017. http://dx.doi.org/10.1117/12.2303287.

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Hatfield, Lynn L., and Bryan Schilder. "Microwave shielding measurement method." In 2009 IEEE Pulsed Power Conference (PPC). IEEE, 2009. http://dx.doi.org/10.1109/ppc.2009.5386414.

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Zvyagintsev, A. O., A. I. Ivanov, S. A. Pogarsky, A. V. Strizhachenko, and V. V. Chizhov. "Multifunctional microwave measurement system." In 2003 13th International Crimean Conference 'Microwave and Telecommunication Technology' Conference Proceedings. IEEE, 2003. http://dx.doi.org/10.1109/crmico.2003.158977.

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Thalayasingam, Kokulathasan, and Holger Heuermann. "Novel vector non-linear measurement system for intermodulation measurements." In 2009 European Microwave Conference (EuMC). IEEE, 2009. http://dx.doi.org/10.23919/eumc.2009.5296011.

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Weissl, T., S. W. Jolin, and D. B. Haviland. "Quantum correlations in microwave frequency combs." In Quantum Information and Measurement. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/qim.2017.qf5a.3.

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Zuber, Simon, Marcel Joss, S. Tresch, and M. Kleingries. "Dynamic optimization of the transmission efficiency between the solid state microwave sources and the microwave applicator." In 21st International Drying Symposium. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7412.

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Microwaves are a fast way to dry moist goods through volumetric heating. During the drying process, materials change their electrical properties. As a result, the impedances at the feed port of the applicator will change and the microwave source is not matched anymore. The amount of reflected power increases and the process efficiency reduces. New semiconductor high power sources can perform a dynamic impedance matching. A lab scaled functional model with two sources was designed and realized. For measuring the scattering parameters during the process run, an embedded two-port vector network analyzer was added. Measurement results confirm the feasibility of the concept. Keywords: Microwave drying, dynamic efficiency optimization, multichannel feed, solid state based microwave source
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Li, Yihan, Naoya Kuse, and Martin E. Fermann. "Photonic-assisted Wideband Microwave Measurement." In 2018 IEEE/MTT-S International Microwave Symposium - IMS 2018. IEEE, 2018. http://dx.doi.org/10.1109/mwsym.2018.8439585.

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Reports on the topic "Microwave measurement"

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King, R. J. Wide spectrum microwave pulse measurement. Office of Scientific and Technical Information (OSTI), January 1986. http://dx.doi.org/10.2172/6028011.

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Wang, Kang. Nonlinear Microwave Power and Noise Measurement and Analysis Facility. Fort Belvoir, VA: Defense Technical Information Center, November 2000. http://dx.doi.org/10.21236/ada394360.

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Sun, Ding, Dave McGinnis, and /Fermilab. Measurement and Simulation Results of Ti Coated Microwave Absorber. Office of Scientific and Technical Information (OSTI), November 1998. http://dx.doi.org/10.2172/984636.

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E. Mazzucato. Microwave Imaging Reflectometry for the Measurement of Turbulent Fluctuations in Tokamaks. Office of Scientific and Technical Information (OSTI), February 2004. http://dx.doi.org/10.2172/821811.

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He, Rui, Na (Luna) Lu, and Jan Olek. Development of In-Situ Sensing Method for the Monitoring of Water-Cement (w/c) Values and the Effectiveness of Curing Concrete. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317377.

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As the most widely used construction material, concrete is very durable and can provide long service life without extensive maintenance. The strength and durability of concrete are primarily influenced by the initial water-cement ratio value (w/c), and the curing condition during the hardening process also influences its performance. The w/c value is defined as the total mass of free water that can be consumed by hydration divided by the total mass of cement and any additional pozzolanic material such as fly ash, slag, silica fume. Once placed, field concrete pavements are routinely cured with liquid membrane-forming compounds. For laboratory study, concrete samples are usually cured in saturated lime water or a curing room with a relative humidity (RH) value higher than 95%. Thus, the effectiveness of curing compounds for field concrete needs to be studied. In this study, the dielectric constant value of plastic concrete was measured by ground penetrating radar (GPR). The w/c value of the plastic concrete was calculated by a mathematical model from the measured dielectric constant value. The calculated w/c value was compared with the microwave oven drying measurement determined result in AASHTO T318. A modified coarse aggregate correction factor was proposed and applied in microwave oven drying measurement to determine the w/c value of plastic concrete in AASHTO T318. The effectiveness of curing compound was evaluated by field concrete slabs by GPR measurement. It was found that GPR can be a promising NDT method for In this study, the dielectric constant value of plastic concrete was measured by ground penetrating radar (GPR). The w/c value of the plastic concrete was calculated by a mathematical model from the measured dielectric constant value. The calculated w/c value was compared with the microwave oven drying measurement determined result in AASHTO T318. A modified coarse aggregate correction factor was proposed and applied in microwave oven drying measurement to determine the w/c value of plastic concrete in AASHTO T318. The effectiveness of curing compound was evaluated by field concrete slabs by GPR measurement. It was found that GPR can be a promising NDT method for w/c determination of plastic concrete and curing effectiveness evaluation method for hardened concrete.
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Asher, William E. Field Measurement of the Effects of Foam and Roughness on Microwave Emissivity. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada623705.

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Levin, S. M. A measurement of the low frequency spectrum of the cosmic microwave background radiation. Office of Scientific and Technical Information (OSTI), April 1987. http://dx.doi.org/10.2172/6463884.

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Bolton, P. R. Measurement and deconvolution of detector response time for short HPM pulses: Part 1, Microwave diodes. Office of Scientific and Technical Information (OSTI), June 1987. http://dx.doi.org/10.2172/6289252.

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Schamiloglu, Edl, and Frank Hegeler. Refined Measurement and Signal Analysis Techniques in Vacuum and Plasma-Filled High Power Microwave Sources. Fort Belvoir, VA: Defense Technical Information Center, June 2000. http://dx.doi.org/10.21236/ada378843.

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Duda, L. E. User manual for CSP{_}VANA: A check standards measurement and database program for microwave network analyzers. Office of Scientific and Technical Information (OSTI), October 1997. http://dx.doi.org/10.2172/541945.

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