Ka-Band Slot-Microstrip-Covered and Waveguide-Cavity-Backed Monopulse Antenna Array by Li-Ming Si, Yong Liu, Yongjun Huang, Weiren Zhu

“…A slot-microstrip-covered and waveguide-cavity-backed monopulse antenna array is proposed for high-resolution tracking applications at Ka-band. …”
Get full text

Modeling of Inscribed Dual Band Circular Fractal Antenna for Wi‐Fi Application Using Descartes Circle Theorem by SatheeshKumar Palanisamy, Anitha R. Vaddinuri, Arfat Ahmad Khan, Muhammad Faheem

“…The antenna's geometry is characterized by self‐similar fractal patterns, enabling enhanced performance in dual frequency bands relevant to Wi‐Fi communication. Current research is trending towards the development of antennas capable of operating across various Wi‐Fi bands, and the emerging 6 GHz band. …”
Get full text

A Novel CPW-Fed UWB Antenna with Band-Stop Function by Huaming Chen, Zhengrong Li, Baiyu Li, Guangfu Sun

“…A novel coplanar waveguide-fed (CPW) ultrawideband (UWB) antenna with band-stop function is presented in this paper. The proposed antenna comprises a CPW-fed slot rectangular patch with an open stub ground plane, and two inverted L-shaped strip conductors are fabricated on the back plane. …”
Get full text

X-Band Waveguide Reflectionless Filtering Antenna Array With High Selectivity by Jun Ma, Fuchang Chen, Kairan Xiang

“…Instead of reflecting the out-of-band signal back to the source, the proposed antenna array dissipates the energy through a lossy network, which can reduce the interference to the former stage. …”
Get full text

Wideband and High-Efficiency SIW Cavity-Backed Magneto-Electric Dipole Antenna Array by Guang Sun, Yi Liu, Taolin Liu, Hu Yang

“…In this paper, a compact, wideband, and high-efficiency substrate integrated waveguide (SIW) feeding cavity-backed aperture-coupled magneto-electric (ME) dipole antenna element and its array are proposed. …”
Get full text

Forecasting Method for Urban Rail Transit Ridership at Station Level Using Back Propagation Neural Network by Junfang Li, Minfeng Yao, Qian Fu

“…In this paper, a new variable, population per distance band, is considered and a back propagation neural network (BPNN) model which can reflect nonlinear relationship between ridership and its predictors is proposed to forecast ridership. …”
Get full text

Low pass filter design with improved stop‐band suppression and synthesis with transformer‐free ladders by Serkan Yildiz, Ahmet Aksen, Sedat Kilinc, Siddik B. Yarman

“…Abstract A new method to design transformer‐free low pass (LP) ladder network with improved stop‐band suppression performance is introduced. The parametric representation of back‐end impedance of LP filter network is established with minimum impedance part and a Foster reactance part. …”
Get full text

A Low-Profile Reflector-Enhanced Drop-Shaped Printed Antenna for Wide-Band Wireless Communications by Giovanni Cappelletti, Diego Caratelli, Renato Cicchetti, Claudio Gennarelli, Massimiliano Simeoni, Orlandino Testa

“…An improved low-profile printed antipodal drop-shaped dipole antenna for wide-band wireless applications is presented. The proposed radiating structure is integrated with a planar metal reflector useful to enhance antenna gain up to 5.5 dBi and the front-to-back ratio up to 21 dB. …”
Get full text

Single Feed Aperture-Coupled Wideband Dielectric Resonator Antenna with Circular Polarization for Ku-Band Applications by Joshua M. Patin, Satish K. Sharma

“…A novel single feed aperture-coupled wideband dielectric resonator antenna (DRA) exhibiting righ-handed circular polarization (RHCP) operating in the Ku-band frequency range is presented. The aperture-coupled single feed design utilizes back-side microstrip excitation through a novel bow-tie-shaped cross-slots in the ground plane. …”
Get full text

Current source density and functional connectivity extracted from resting-state electroencephalography as biomarkers for chronic low back pain by Keita Ueno, Keiko Yamada, Masaya Ueda, Yasuo Naito, Ryouhei Ishii

“…Introduction:. Chronic low back pain (CLBP) is a global health issue, and its nonspecific causes make treatment challenging. …”
Get full text

Design of an Ultrawideband Circularly Polarized Printed Crossed-Dipole Antenna Based on Genetic Algorithms for S-Band CubeSat Applications by Jorge Simon, Hugo Perez-Guerrero, Jorge Sosa-Pedroza, Fabiola Martínez-Zúñiga, Juvenal Villanueva-Maldonado, Jorge Flores-Troncoso, Marco Cardenas-Juarez

“…The antenna is constructed on a 10 × 10 cm Cuclad-250 substrate with a back copper flat plane, located at λ/4 at 2.25 GHz operating frequency. …”
Get full text

A mm-Wave 5G Double Slot Array Antenna Based on Gap Waveguide Technology and Glide Symmetries by Panagiotis Petroutsos, Stavros Koulouridis

Get full text

L'image de la Guerre civile espagnole dans la bande dessinée entre 1936 et 1975-II by Michel Matly

Get full text

High efficiency high gain low side lobe level and slant polarization monopulse antenna using cavity backed slot coupled patch antenna by Seyed Mohammad Hamidi, Seyed Mohammad Javad Razavi, Seyed Hossein Mohseni Armaki

“…Abstract In this paper, a multilayer monopulse antenna at Ku-Band with high efficiency, high power handling capability, high gain, 45° linear polarization and low sidelobe is presented. …”
Get full text

Dual-Frequency Miniaturized Substrate Integrated Waveguide Quarter-Mode Cavity-Backed Antenna Based on Minkowski Fractal Gap with Orthogonal Polarization Radiation Characteristics by Zihao Fu, Tianliang Zhang, You Lan, Tianhai Wu, Wenxing Huang, Leilei He

“…A novel quarter-mode substrate integrated waveguide miniaturized cavity-backed antenna loading Minkowski fractal gap is presented in this paper. …”
Get full text

Salutary impact of spontaneous oxidation in CH3NH3SnI3 on CZTS-based solar cell by Sonal Santosh Bagade, Piyush K. Patel

Get full text

Bidirectional Brush Seals – Post-Test Analysis by Robert C. Hendricks, Jack Wilson, Tom Y. Wu, Ralph Flower, Robert L. Mullen

“…The rotor wear led to “car track” scars (upper and lower wear bands) with a whipped surface between the bands. …”
Get full text

A Miniaturized Planar Monopole Antenna Based on a Coupling Structure for Compact Mobile Internet of Things (IoT) and Electric Vehicles (EVs) Device Applications in 5G, LTE, WLAN, W... by Ming-An Chung, Chih-Wei Yang

“…This design is embedded side edge of overall placement in the device and is integrated applicable to the trend of heterogeneous wireless multiple access networks in electric vehicle and Internet of Things system devices, which covered the 5G with supporting the band of n7/n38/n40/n53/n77/n78/n79/n90, the 4G with supporting the band of 7/38/40/41/42/43/48/67, the V2X and DSRC for the operating frequencies between 2500 and 5000 MHz, the Sirius/XM Radio for the operating frequencies of 2320–2345 MHz, the ISM band of WiFi and BT covering the band of 2450–2483.5 and 5150–5350 MHz, and the WiMAX also supporting the band of 2300–2690 and 3400–3690 MHz. …”
Get full text

Numerical Analysis of Copper-Indium-Gallium-Diselenide-Based Solar Cells by SCAPS-1D by S. Ouédraogo, F. Zougmoré, J. M. Ndjaka

“…In order to reduce back-contact recombination, the effect of a very thin layer with high band gap inserted near the back contact and acting as electrons reflector, the so-called back-electron reflector (EBR), has been investigated. …”
Get full text

Design and Simulation of an Environment-Friendly ZrS2/CuInS2 Thin Film Solar Cell Using SCAPS 1D Software by Sunirmal Kumar Biswas, Monira Khanom Mim, Md. Mostak Ahmed

“…This simulation employed the absorber layer CuInS2 and the buffer layer ZrS2 with aluminum as the front contact and gold as the back contact. The impact of the absorber layer thickness, band gap, buffer layer thickness, acceptor density, defect density, series and shunt resistances, C-V, Mott–Schottky, and the operating temperature has been studied for the proposed solar cell structure. …”
Get full text