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Akdagli, Ali, and Abdurrahim Toktas. "Design of wideband orthogonal MIMO antenna with improved correlation using a parasitic element for mobile handsets." International Journal of Microwave and Wireless Technologies 8, no. 1 (September 15, 2014): 109–15. http://dx.doi.org/10.1017/s1759078714001263.
In this paper, a novel design of compact wideband multiple-input multiple-output (MIMO) antenna operating over a frequency range of 1.8–4.0 GHz at 10 dB is presented for mobile terminals. The MIMO antenna design consists of two symmetrical and orthogonal radiating elements with a small size of 15.5 × 16.5 mm2 printed on the corners of a mobile circuit board. The radiating element is composed of four meandered monopole branches with a strip-line fed by a probe. By triangularly trimming the corners of the common ground plane beneath the radiating elements, not only the mutual coupling is reduced, but also impedance bandwidth is increased. Although, the antenna in this form has sufficient correlation level between the radiating elements for MIMO operation, a novel design of plus-shaped parasitic element is inserted to the ground plane between those radiating elements in order to further enhance the isolation. The performance of the MIMO antenna is investigated in terms of s-parameters, radiation pattern, gain, envelope correlation coefficient (ECC), and total active reflection coefficient (TARC), and is verified through the measurements. The results demonstrate that the proposed MIMO antenna has good characteristics of wideband, isolation, gain, radiation pattern, and is compatible with LTE, WiMAX, and WLAN, besides it is small, compact, and embeddable in mobile terminals.
2
Dudek, Andrzej, Piotr Kanios, Kamil Staszek, Slawomir Gruszczynski, and Krzysztof Wincza. "Octave-Band Four-Beam Antenna Arrays with Stable Beam Direction Fed by Broadband 4 × 4 Butler Matrix." Electronics 10, no. 21 (November 7, 2021): 2712. http://dx.doi.org/10.3390/electronics10212712.
A novel concept of four-beam antenna arrays operating in a one-octave frequency range that allows stable beam directions and beamwidths to be achieved is proposed. As shown, such radiation patterns can be obtained when radiating elements are appropriately spaced and fed by a broadband 4 × 4 Butler matrix with directional filters connected to its outputs. In this solution, broadband radiating elements are arranged in such a way that, for the lower and upper frequencies, two separate subarrays can be distinguished, each one consisting of identically arranged radiating elements. The subarrays are fed by a broadband Butler matrix at the output to which an appropriate feeding network based on directional filters is connected. These filters ensure smooth signal switching across the operational bandwidth between elements utilized at lower and higher frequency bands. Therefore, as shown, it is possible to control both beamwidths and beam directions of the resulting multi-beam antenna arrays. Moreover, two different concepts of the feeding network connected in between the Butler matrix and radiating elements for lowering the sidelobes are discussed. The theoretical analyses of the proposed antenna arrays are shown and confirmed by measurements of the developed two-antenna arrays consisting of eight and twelve radiating elements, operating in a 2–4 GHz frequency range.
3
Bossut, Regis, and Jean‐Noël Decarpigny. "Finite element modeling of radiating structures using dipolar damping elements." Journal of the Acoustical Society of America 86, no. 4 (October 1989): 1234–44. http://dx.doi.org/10.1121/1.398737.
Sautbekov, S. S., K. Yu Sirenko, Yurii Konstantinovich Sirenko, and A. P. Yevdokymov. "DIFFRACTION ANTENNAS. SYNTHESIS OF RADIATING ELEMENTS." Telecommunications and Radio Engineering 77, no. 11 (2018): 925–43. http://dx.doi.org/10.1615/telecomradeng.v77.i11.10.
Tarot, A. C., A. Sharaiha, C. Terret, and Y. Ganier. "New technology to realize printed radiating elements." Microwave and Optical Technology Letters 9, no. 1 (May 1995): 5–7. http://dx.doi.org/10.1002/mop.4650090103.
Fusco, V. F., and H. O. Burns. "Synthesis procedure for active integrated radiating elements." Electronics Letters 26, no. 4 (1990): 263. http://dx.doi.org/10.1049/el:19900175.
Azima, Henry. "Loudspeakers comprising panel-form acoustic radiating elements." Journal of the Acoustical Society of America 112, no. 1 (2002): 16. http://dx.doi.org/10.1121/1.1500894.
Azima, Henry. "Loudspeakers with panel-form acoustic radiating elements." Journal of the Acoustical Society of America 112, no. 4 (2002): 1233. http://dx.doi.org/10.1121/1.1520915.
Azima, Henry. "Loudspeakers comprising panel-form acoustic radiating elements." Journal of the Acoustical Society of America 111, no. 6 (2002): 2531. http://dx.doi.org/10.1121/1.1492911.
Foster, Adam. "On the behaviour and radiating properties of heavy elements in fusion plasmas." Thesis, University of Strathclyde, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501815.
Radiation from Impurities in magnetically confined fusion devices is regularly utilised on existing tokamaks for both diagnostic purposes (to reveal plasma conditions) and to estimate the impurity content itself to detect any detrimentally high radiation power losses. For the light elements (Z <8) commonly found in tokamaks the atomic physics infrastructure to allow such observations and model the results is well developed. The proposed design for ITER calls for a partially tungsten divertor. This has led to a resurgence of interest in the behaviour of heavy impurities in plasma. Many codes for generating fundamental atomic data and for modelling plasma behaviour encounter significant difficulties when dealing with heavy elements. This work addresses some of these issues.
3
Tang, Ming-Chun, Ting Shi, and Richard W. Ziolkowski. "Electrically Small, Broadside Radiating Huygens Source Antenna Augmented With Internal Non-Foster Elements to Increase Its Bandwidth." IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2017. http://hdl.handle.net/10150/623616.
A broadside radiating, linearly polarized, electrically small Huygens source antenna system that has a large impedance bandwidth is reported. The bandwidth performance is facilitated by embedding non-Foster components into the near-field resonant parasitic elements of this metamaterial-inspired antenna. High-quality and stable radiation performance characteristics are achieved over the entire operational bandwidth. When the ideal non-Foster components are introduced, the simulated impedance bandwidth witnesses approximately a 17-fold enhancement over the passive case. Within this -10-dB bandwidth, its maximum realized gain, radiation efficiency, and front-to-back ratio (FTBR) are, respectively, 4.00 dB, 88%, and 26.95 dB. When the anticipated actual negative impedance convertor circuits are incorporated, the impedance bandwidth still sustains more than a 10-fold enhancement. The peak realized gain, radiation efficiency, and FTBR values are, respectively, 3.74 dB, 80%, and 28.01 dB, which are very comparable to the ideal values.
4
LaPean, James William. "Analysis of infinite arrays of arbitrarily shaped planar radiating elements using a Floquet mode based Method of Moments approach." Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06062008-152047/.
ʿUs̲mān, Muḥammad. "Investigation, design and implementation of MIMO antennas for mobile phones : simulation and measurement of MIMO antennas for mobile handsets and investigations of channel capacity of the radiating elements using spatial and polarisation diversity strategies." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4279.
The objectives of this work were to investigate, design and implement Multiple-Input Multiple-Output (MIMO) antenna arrays for mobile phones. Several MIMO antennas were developed and tested over various wireless-communication frequency bands. The radiation performance and channel capacity of these antennas were computed and measured: the results are discussed in the context of the frequency bands of interest. A comprehensive study of MIMO antenna configurations such as 2 × 1, 3 × 1, 2 × 2 and 3 × 3, using polarisation diversity as proposed for future mobile handsets, is presented. The channel capacity is investigated and discussed, as applying to Rayleigh fading channels with different power spectrum distributions with respect to azimuth and zenith angles. The channel capacity of 2 × 2 and 3 × 3 MIMO systems using spatial polarisation diversity is presented for different antenna designs. The presented results show that the maximum channel capacity for an antenna contained within a small volume can be reached with careful selection of the orthogonal spatial fields. The results are also compared against planar array MIMO antenna systems, in which the antenna size considered was much larger. A 50% antenna size reduction method is explored by applying magnetic wall concept on the symmetry reference of the antenna structure. Using this method, a triple dual-band inverted-F antenna system is presented and considered for MIMO application. Means of achieving minimum coupling between the three antennas are investigated over the 2.45 GHz and 5.2 GHz bands. A new 2 2 MIMO dual-band balanced antenna handset, intended to minimise the coupling with the handset and human body was proposed, developed and tested. The antenna coupling with the handset and human hand is reported in terms the radiation performance and the available channel capacity. In addition, a dual-polarisation dipole antenna is proposed, intended for use as one of three collocated orthogonal antennas in a polarisation-diversity MIMO communication system. The antenna actually consists of two overlaid electric and magnetic dipoles, such that their radiation patterns are nominally identical but they are cross-polarised and hence only interact minimally.
6
Usman, Muhammad. "Investigation, Design and Implementation of MIMO Antennas for Mobile Phones. Simulation and Measurement of MIMO Antennas for Mobile Handsets and Investigations of Channel Capacity of the Radiating Elements Using Spatial and Polarisation Diversity Strategies." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4279.
The objectives of this work were to investigate, design and implement Multiple-Input Multiple-Output (MIMO) antenna arrays for mobile phones. Several MIMO antennas were developed and tested over various wireless-communication frequency bands. The radiation performance and channel capacity of these antennas were computed and measured: the results are discussed in the context of the frequency bands of interest.
A comprehensive study of MIMO antenna configurations such as 2 × 1, 3 × 1, 2 × 2 and 3 × 3, using polarisation diversity as proposed for future mobile handsets, is presented. The channel capacity is investigated and discussed, as applying to Rayleigh fading channels with different power spectrum distributions with respect to azimuth and zenith angles. The channel capacity of 2 × 2 and 3 × 3 MIMO systems using spatial polarisation diversity is presented for different antenna designs. The presented results show that the maximum channel capacity for an antenna contained within a small volume can be reached with careful selection of the orthogonal spatial fields. The results are also compared against planar array MIMO antenna systems, in which the antenna size considered was much larger.
A 50% antenna size reduction method is explored by applying magnetic wall concept on the symmetry reference of the antenna structure. Using this method, a triple dual-band inverted-F antenna system is presented and considered for MIMO application. Means of achieving minimum coupling between the three antennas are investigated over the 2.45 GHz and 5.2 GHz bands.
A new 2 2 MIMO dual-band balanced antenna handset, intended to minimise the coupling with the handset and human body was proposed, developed and tested. The antenna coupling with the handset and human hand is reported in terms the radiation performance and the available channel capacity.
In addition, a dual-polarisation dipole antenna is proposed, intended for use as one of three collocated orthogonal antennas in a polarisation-diversity MIMO communication system. The antenna actually consists of two overlaid electric and magnetic dipoles, such that their radiation patterns are nominally identical but they are cross-polarised and hence only interact minimally.
7
Abidin, Zuhairiah Zainal. "Design, modelling and implementation of antennas using electromagnetic bandgap material and defected ground planes : surface meshing analysis and genetic algorithm optimisation on EBG and defected ground structures for reducing the mutual coupling between radiating elements of antenna array MIMO systems." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5385.
The main objective of this research is to design, model and implement several antenna geometries using electromagnetic band gap (EBG) material and a defected ground plane. Several antenna applications are addressed with the aim of improving performance, particularly the mutual coupling between the elements. The EBG structures have the unique capability to prevent or assist the propagation of electromagnetic waves in a specific band of frequencies, and have been incorporated here in antenna structures to improve patterns and reduce mutual coupling in multielement arrays. A neutralization technique and defected ground plane structures have also been investigated as alternative approaches, and may be more practical in real applications. A new Uni-planar Compact EBG (UC-EBG) formed from a compact unit cell was presented, giving a stop band in the 2.4 GHz WLAN range. Dual band forms of the neutralization and defected ground plane techniques have also been developed and measured. The recorded results for all antenna configurations show good improvement in terms of the mutual coupling effect. The MIMO antenna performance with EBG, neutralization and defected ground of several wireless communication applications were analysed and evaluated. The correlation coefficient, total active reflection coefficient (TARC), channel capacity and capacity loss of the array antenna were computed and the results compared to measurements with good agreement. In addition, a computational method combining Genetic Algorithm (GA) with surface meshing code for the analysis of a 2×2 antenna arrays on EBG was developed. Here the impedance matrix resulting from the meshing analysis is manipulated by the GA process in order to find the optimal antenna and EBG operated at 2.4 GHz with the goal of targeting a specific fitness function. Furthermore, an investigation of GA on 2×2 printed slot on DGS was also done.
8
Abidin, Z. Z. "Design, modelling and implementation of antennas using electromagnetic bandgap material and defected ground planes. Surface Meshing Analysis and Genetic Algorithm Optimisation on EBG and Defected Ground Structures for Reducing the Mutual Coupling between Radiating Elements of Antenna Array and MIMO Systems." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5385.
The main objective of this research is to design, model and implement several antenna
geometries using electromagnetic band gap (EBG) material and a defected ground
plane. Several antenna applications are addressed with the aim of improving
performance, particularly the mutual coupling between the elements.
The EBG structures have the unique capability to prevent or assist the propagation of
electromagnetic waves in a specific band of frequencies, and have been incorporated
here in antenna structures to improve patterns and reduce mutual coupling in multielement
arrays. A neutralization technique and defected ground plane structures have
also been investigated as alternative approaches, and may be more practical in real
applications.
A new Uni-planar Compact EBG (UC-EBG) formed from a compact unit cell was
presented, giving a stop band in the 2.4 GHz WLAN range. Dual band forms of the
neutralization and defected ground plane techniques have also been developed and
measured. The recorded results for all antenna configurations show good improvement
in terms of the mutual coupling effect.
The MIMO antenna performance with EBG, neutralization and defected ground of
several wireless communication applications were analysed and evaluated. The
correlation coefficient, total active reflection coefficient (TARC), channel capacity and
capacity loss of the array antenna were computed and the results compared to
measurements with good agreement.
In addition, a computational method combining Genetic Algorithm (GA) with surface
meshing code for the analysis of a 2×2 antenna arrays on EBG was developed. Here the
impedance matrix resulting from the meshing analysis is manipulated by the GA
process in order to find the optimal antenna and EBG operated at 2.4 GHz with the goal
of targeting a specific fitness function. Furthermore, an investigation of GA on 2×2
printed slot on DGS was also done. Ministry of Higher Education Malaysia and Universiti Tun Hussein Onn Malaysia (UTHM)
9
Sinanoglou, Panagiotis A. "Quantitative evaluation of the limitations of the radiation boundary elements in the finite element code ATILA." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA313103.
Thesis (M.S. in Applied Physics) Naval Postgraduate School, June 1996. Thesis advisor(s): Steven R. Baker, Clyde L. Scandrett. "June 1996." Includes bibliographical references. Also available online.
10
Dillon, Bernice Mary. "Finite element analysis of radiating waveguide discontinuities." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357770.
Sinanoglou, Panagiotis A. Quantitative evaluation of the limitations of the radiation boundary elements in the finite element code ATILA. Monterey, Calif: Naval Postgraduate School, 1996.
Slovi͡anskikh, V. K. Gravitational field and attraction, temperature, radiation, chemical elements. Moscow: Russian Academy of Sciences, Institute of General and Inorganic Chemistry, 1994.
Nitsch, Jürgen, Frank Gronwald, and Günter Wollenberg. Radiating Nonuniform Transmissionline Systems and the Partial Element Equivalent Circuit Method. Chichester, UK: John Wiley & Sons, Ltd, 2009. http://dx.doi.org/10.1002/9780470682425.
Stals, Linda. The solution of radiation transport equations with adaptive finite elements. Hampton, Va: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 2001.
Brodsky, Allen. Radiation protection training at uranium hexafluoride and fuel fabrication plants. Washington, D.C: Division of Radiation Programs and Earth Sciences, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1985.
Jin, Jian-Ming. Scattering and radiation analysis of three-dimensional cavity arrays via a hybrid finite element method. Ann Arbor, Mich: University of Michigan, Radiation Laboratory, Dept. of Electrical Engineering and Computer Science, 1992.
Jin, Jian-Ming. Scattering and radiation analysis of three-dimensional cavity arrays via a hybrid finite element method. Ann Arbor, Mich: University of Michigan, Radiation Laboratory, Dept. of Electrical Engineering and Computer Science, 1992.
Kunkel, George M. "Radiated Field Strength from Radiating Elements." In Shielding of Electromagnetic Waves, 23–26. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19238-9_6.
Iyer, Brijesh, and Nagendra Prasad Pathak. "Design and Characterization of the Radiating Elements." In Multiband Non-Invasive Microwave Sensor, 27–48. First edition. | Boca Raton, FL : CRC Press, Taylor & Francis Group, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9780203732946-3.
Bucher, Gérard. "The Phenomenon of Death: Elements for a Poetics of Origins." In Life in the Glory of Its Radiating Manifestations, 107–16. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1602-9_9.
Hamonic, B., J. C. Debus, J. N. Decarpigny, D. Boucher, and B. Tocquet. "Application of Axisymmetric Thin Shell Finite Elements to the Analysis of a Radiating Flexural Shell Sonar Transducer." In Lecture Notes in Engineering, 43–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83015-0_5.
Cerrito, Lucio. "Elements of Accelerator Physics." In Radiation and Detectors, 73–94. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53181-6_5.
McParland, Brian J. "Elements of Quantum Scattering Theory." In Medical Radiation Dosimetry, 65–106. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5403-7_2.
Kiefer, Jürgen. "Elements of Photo- and Radiation Chemistry." In Biological Radiation Effects, 88–103. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-83769-2_5.
Mustafa, H. D., Sunil H. Karamchandani, Shabbir N. Merchant, and Uday B. Desai. "tuPOY as a Radiating Element: Antenna." In Advanced Structured Materials, 39–49. New Delhi: Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2632-1_5.
Lanin, Anatoly. "Radiation Resistance of the HRA Elements." In Nuclear Rocket Engine Reactor, 71–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32430-7_5.
Vis, R. D. "Synchrotron radiation trace element analysis." In Applications of Synchrotron Radiation, 311–32. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0395-1_13.
Тези доповідей конференцій з теми "Radiating elements":
1
Balanis, Constantine A. "Circular Metasurfaces for Curvilinear Radiating Elements." In 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 2019. http://dx.doi.org/10.1109/comcas44984.2019.8958176.
Strickland, P. C., and J. S. Wight. "Concepts for broadband microstrip radiating elements." In International Symposium on Antennas and Propagation Society, Merging Technologies for the 90's. IEEE, 1990. http://dx.doi.org/10.1109/aps.1990.115234.
Lyon, R. W. "Radiating elements for wideband electronically scanned arrays." In IET Seminar on Wideband, Multiband Antennas and Arrays for Defence or Civil Applications. IEE, 2008. http://dx.doi.org/10.1049/ic:20080085.
Alekseytsev, Sergey A., Anatoly P. Gorbachev, and Yuriy N. Parshin. "Printed Radiating and Radiation Pattern - Forming Elements for Digital Antenna Arrays Purposes." In 2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM). IEEE, 2021. http://dx.doi.org/10.1109/edm52169.2021.9507730.
Mital, R., J. B. L. Rao, D. P. Patel, and G. C. Tavik. "Wideband multifunction array architectures using wavelength-scaled radiating elements." In 2013 IEEE International Symposium on Phased Array Systems and Technology (ARRAY 2013). IEEE, 2013. http://dx.doi.org/10.1109/array.2013.6731895.
Pochanin, G. P., and T. N. Ogurtsova. "UWB radiating antenna arrays with strong coupling between the elements." In 2007 6th International Conference on Antenna Theory and Techniques. IEEE, 2007. http://dx.doi.org/10.1109/icatt.2007.4425180.
Do-Hoon Kwon and Yongjin Kim. "CPW-fed planar ultra-wideband antenna with hexagonal radiating elements." In IEEE Antennas and Propagation Society Symposium, 2004. IEEE, 2004. http://dx.doi.org/10.1109/aps.2004.1331996.
Yamada, Tomohiro, Shota Zempo, Fukuro Koshiji, and Kohji Koshiji. "Broadband antenna with asymmetrical radiating elements for cognitive radio system." In 2016 International Conference on Electronics Packaging (ICEP). IEEE, 2016. http://dx.doi.org/10.1109/icep.2016.7486913.
Dubrovka, F. F., O. E. Vydalko, V. I. Gouz, V. P. Lipatov, and A. V. Butyrin. "Radiation and matching characteristics of phase array antennas built of printed quasi-Yagi radiating elements." In 2013 IX International Conference on Antenna Theory and Techniques (ICATT). IEEE, 2013. http://dx.doi.org/10.1109/icatt.2013.6650680.
Mital, Rashmi, Dharmesh P. Patel, Jaganmohan B. Rao, and Greg C. Tavik. Affordable Wideband Multifunction Phased Array Antenna Architectures Using Frequency Scaled Radiating Elements. Fort Belvoir, VA: Defense Technical Information Center, September 2014. http://dx.doi.org/10.21236/ada610684.
Engheta, Nader, Edward N. Pugh, and Jr. Selected Electromagnetic Problems in Electroencephalography (EEG) Fields in Complex Media and Small Radiating Elements in Dissipative Media. Fort Belvoir, VA: Defense Technical Information Center, November 2004. http://dx.doi.org/10.21236/ada428876.
Callahan, Michael J. The Design, Fabrication and Test of Feeds, Radiating Elements and Linear Subarrays for a Small Prototype Planar Array Antenna. Fort Belvoir, VA: Defense Technical Information Center, August 2000. http://dx.doi.org/10.21236/ada384599.
Painter, J. F. Finite element radiation transport in one dimension. Office of Scientific and Technical Information (OSTI), May 1997. http://dx.doi.org/10.2172/641351.
Baishev, I. S., A. I. Drozhdin, and N. V. Mokhov. Beam loss and radiation effects in the SSC lattice elements. Office of Scientific and Technical Information (OSTI), November 1990. http://dx.doi.org/10.2172/93772.
White, R. H., and G. R. Wirtenson. Radiation induced darkening of the optical elements in the Startracker camera. Office of Scientific and Technical Information (OSTI), March 1993. http://dx.doi.org/10.2172/10177329.
Sclavounos, Paul D., and Chang-Ho Lee. Topics on Boundary-Element Solutions of Wave Radiation-Diffraction Problems. Fort Belvoir, VA: Defense Technical Information Center, January 1985. http://dx.doi.org/10.21236/ada161699.
Kershaw, D., and J. Harte. 2D deterministic radiation transport with the discontinuous finite element method. Office of Scientific and Technical Information (OSTI), November 1993. http://dx.doi.org/10.2172/10110565.
Liu, Wu-ming, P. Z. Takacs, and D. P. Siddons. Applications of the lateral shearing interferometer in measurement of synchrotron radiation optical elements. Office of Scientific and Technical Information (OSTI), November 1987. http://dx.doi.org/10.2172/5609599.
MERCADO-CORUJO, H. THERMAL FINITE ELEMENT ANALYSIS X9 AND X29 X-RAY RING CROTCH RADIATION ABSORBERS. Office of Scientific and Technical Information (OSTI), August 1999. http://dx.doi.org/10.2172/14640.
