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From:Advances in Natural and Applied Sciences (Vol. 11, Issue 1) Peer-ReviewedBackground:--Millimeter wave (mmw) generation is a method used for high broadband data transmission with better data rate due to its high capacity bandwidth. Objective:--To understand the different external modulation...
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From:Progress In Electromagnetics Research (Vol. 133) Peer-ReviewedAlthough many directive antennas operating in a narrow band of millimeter (mm) waves were reported, e.g., antennas for 60GHz wireless local area network (WLAN), their wideband counterparts are still unpopular....
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From:Progress In Electromagnetics Research M (Vol. 88) Peer-ReviewedThe design, analysis, and manufacturing of an oversized circular metallic corrugated waveguide with rectangular and square grooves for transmitting power from gyrotron to tokamak or dummy load have been carried out. To...
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From:Progress In Electromagnetics Research M (Vol. 112) Peer-ReviewedDoppler Ultrasound as the gold standard for noninvasive arterial pulsation monitoring has limitations such as dependency on the operator and absence of acoustic window in some patients. Recently, mm-wave has been...
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From:Science (Vol. 275, Issue 5298) Peer-ReviewedThe Clinton administration is requesting funding to allow NSF to begin construction of the $200 million Millimeter Array. The array is a unique new telescope that will be able to detect electromagnetic emissions at...
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From:Progress In Electromagnetics Research B (Vol. 80) Peer-ReviewedDue to changes in global security requirements attention is turning to new means by which anomalies on the human body might be identified. For security screening systems operating in the millimeter wave band anomalies...
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From:Progress In Electromagnetics Research Letters (Vol. 39) Peer-ReviewedPassive millimeter (MMW) imaging can penetrate clothing to create interpretable imagery of concealed objects. However, the image quality is often restricted by low signal to noise ratio and temperature contrast as well...
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From:Science (Vol. 226) Peer-ReviewedFree Electron Lasers Show Their Power Free electron lasers tend to fall into long- and short-wavelength categories. In the last few months, several groups have demonstrated what might be called second-generation...
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From:Progress In Electromagnetics Research B (Vol. 88) Peer-ReviewedIn this paper, a new super-resolution and highly stable DOA estimation technique of coherent sources is introduced. Furthermore, the proposed technique is applied to the data collected from the AWR1243 mm-wave 76-81 GHz...
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From:Progress In Electromagnetics Research B (Vol. 46) Peer-ReviewedAn 8mm-band passive millimeter-wave imager BHU-2D has been developed by Beihang University. This imager is designed for detecting concealed weapons on human body. The imager adopts two-dimensional synthetic aperture...
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From:Progress In Electromagnetics Research (Vol. 158) Peer-ReviewedIn this paper, a 79 GHz microstrip antenna subarray, optimized for operation in a Phase Modulated Continuous Wave (PMCW) MIMO radar demonstrator is presented. The antenna combines all necessary features for this very...
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From:Journal of Sensors and Sensor Systems (Vol. 7, Issue 1) Peer-ReviewedMillimetre-wave (mmW) imaging is an emerging technique for non-destructive testing. Since many polymers are transparent in this frequency range, mmW imaging is an attractive means in the testing of polymer devices, and...
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From:Microwave Journal (Vol. 39, Issue 3) Peer-ReviewedPassive mm-wave (PMMW) imaging systems provide scene information when obscurants such as fog, dust and smoke render visual and infrared sensors unusable. A 95 GHz image obtained for an automobile at a distance of 30 m is...
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From:Microwave Journal (Vol. 44, Issue 7) Peer-ReviewedMillimeter-waves have been used in commercial applications during the last decade as a result of the growing development of microwave multipoint distribution systems, local multipoint distribution systems, and digital...
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From:Progress In Electromagnetics Research C (Vol. 114) Peer-ReviewedMultilayer grid polarizers for millimeter waves produced with photolithographic technology have been simulated. Polarizers have spectral bands of enhanced performance where polarization extinction ratio in decibels grows...
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From:Microwave Journal (Vol. 39, Issue 5) Peer-ReviewedEver since the invention of radio communication by Marconi in 1896, the radio wave engineering effort has been making continuous progress toward higher frequencies and shorter wavelengths. The research and development of...
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From:Progress In Electromagnetics Research M (Vol. 104) Peer-Reviewed
A Novel Mirror Kirchhoff Approximation Method for Predicting the Shadowing Effect by a Metal Cuboid.
This paper proposes an efficient and accurate scattered field prediction method based on Kirchhoff Approximation called 'Mirror Kirchhoff Approximation' (MKA) which is suitable for evaluating the shadowing effect by a... -
From:International Journal of Antennas and Propagation (Vol. 2017) Peer-ReviewedWe consider multihop millimeter-wave (mm-Wave) wireless backhaul communications, by which small cell base station (SBS) clusters can connect to a macrocell base station (MBS). Assuming the mm-Wave wireless backhaul...
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From:PLoS ONE (Vol. 11, Issue 8) Peer-ReviewedMillimeter Waves (MMW) will be used in the next-generation of high-speed wireless technologies, especially in future Ultra-Broadband small cells in 5G cellular networks. Therefore, their biocompatibilities must be...
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From:Progress In Electromagnetics Research M (Vol. 101) Peer-ReviewedThis paper presents a recent progress in a millimeter-wave imaging done with a potential 5G base-station phased-array antenna exhibiting frequency-diverse, non-focused beams. The presented imaging system operates in...