Results 71 to 80 of about 3,242,183 (213)

Integrated Wideband Multiplexer Design for Multiple-Use SATCOM/Terrestrial Terminals

open access: yesIEEE Journal of Microwaves
A novel wideband multiplexer is introduced as a communications equipment solution in order to provide simultaneous operation of satellite and terrestrial services in the dedicated $K$/$Ka$ frequency bands (passbands ranging from 19.5 GHz to 30.5 GHz ...
Chad Bartlett   +2 more
doaj   +1 more source

University Symphonic Band, October 27, 1996 [PDF]

open access: yes, 2016
Recorded during a live performance at Miller Auditorium, Western Michigan University, Kalamazoo, Michigan, October 27, 1996, 3:00 p.m., the 90th concert of the School of Music's 1996-1997 season.University Symphonic Band, Robert L. Spradling, conductor ;
Western Michigan University. Symphonic Band
core  

A Multiband Dual Linear-to-Circular Polarization Conversion Reflective Metasurface Design Based on Liquid Crystal for X-Band Applications

open access: yesApplied Sciences
A novel reflective metasurface (RMS) is proposed in this paper. The MS measures 128 × 128 × 2.794 mm3 and consists of a six-layer vertically stacked structure, with a liquid crystal (LC) cavity in the middle layer.
Xinju Wang   +5 more
doaj   +1 more source

An Ultra-Wide Band Radome for High-Performance and Dual-Polarized Radar and Communication Systems

open access: yesIEEE Access, 2020
This paper presents a new design technique to develop a multi-layer radome for ultra-wide-band, dual-polarized radar and communication systems. In the proposed technique, a multi-layer radome is designed using a combination of A-sandwich structures ...
Zeeshan Qamar   +2 more
doaj   +1 more source

University Concert Band, March 31, 1996 [PDF]

open access: yes, 2016
Recorded during a live performance at Miller Auditorium, Western Michigan University, Kalamazoo, Michigan, March 31, 1996, 3:00 p.m., the 479th concert of the School of Music's 1995-1996 season.University Concert Band, John Lychner, conductor ; Cory ...
Western Michigan University. Concert Band
core  

A NOVEL (Q-SLOT) MULTI BAND ANTENNA FOR WIRELESS COMMUNICATIONS

open access: yesJournal of Engineering and Sustainable Development, 2016
In this research, the proposed antenna is a novel design made out of (Q- slot) that fed by step impedance micro strip line open mouth ended. The proposed antenna is intended to work at four bandwidth frequency groups meet the specifications of DO,1xRTT ...
Amer Tawfeeq Abed Sahab
doaj  

University Concert Band, April 6, 1990 [PDF]

open access: yes, 2016
Recorded during a live performance at Dalton Center Recital Hall, Western Michigan University, Kalamazoo, Michigan, April 6, 1990, 8:00 p.m., the 356th concert of the School of Music’s 1989-1990 season.University Concert Band ; Miles Mortensen, conductor
Western Michigan University. Concert Band
core  

Self-Decoupled 8-Element Dual Polarized MIMO Antenna for B5G Handsets With Sub-6 GHz and mmWave Integration

open access: yesIEEE Access
This study examines a single-fed, self-isolated, dual-band, 8-element multiple-input multiple-output (MIMO) antenna system for fifth-generation (5G) and beyond-5G (B5G) handsets.
Ali Sufyan   +7 more
doaj   +1 more source

University Symphonic Band, December 7, 1975 [PDF]

open access: yes, 2016
Recorded during a live performance at Miller Auditorium, Western Michigan University, Kalamazoo, Michigan, December 7, 1975, program no. 94 of the Department of Music’s 1975-1976 season.University Symphonic Band, Carl Bjerregaard, conductor ; Jack Adams,
Western Michigan University. Symphonic Band
core  

A Denoising Algorithm for Wear Debris Images Based on Discrete Wavelet Multi-Band Sparse Representation

open access: yesMachines
Wear debris image processing techniques are increasingly employed in health monitoring and fault diagnosis for mechanical equipment. However, during the acquisition and storage of wear debris images, substantial noise is often introduced, leading to ...
Han Zhang, Chen Xian, Young-Chul Kim
doaj   +1 more source

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