34   Artículos

 
en línea
Jiangkun Gong, Jun Yan, Huiping Hu, Deyong Kong and Deren Li    
The detection of drones using radar presents challenges due to their small radar cross-section (RCS) values, slow velocities, and low altitudes. Traditional signal-to-noise ratio (SNR) detectors often fail to detect weak radar signals from small drones, ... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Gabriela Llanet Siles and Robert Leconte    
Reservoir ice can have an important impact on the watershed scale and influence hydraulic operations. On the other hand, hydropower generation can also impact the ice regime. In this study, multi-source satellite and ERA5-land data are used to evaluate i... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Jeong-Geun Kim and Donghyun Baek    
This paper presents a Ku-band transmit and receive IC in 0.13 µm CMOS technology for mobile satellite communication beamforming systems. A Ku-band transmit and receive IC is composed of a bi-directional amplifier, a 6-bit phase shifter, and a 6-bit digit... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Songyan Li, Xiaoxia Tian, Jiafu Wang and Shaobo Qu    
Improving the microwave absorption performance of Co-MOF-derived Co@N-C composite by constructing the morphology and spatial structure is a known challenge. In this work, under the action of the binder polyvinylpyrrolidone, 3D-graphene particles can be w... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Branimir Jaksic, Dragisa Miljkovic, Vladimir Maksimovic, Mile Petrovic, Branko Gvozdic     Pág. e44957
This paper considers the characteristics of satellite television transmission in the world. An overview of the development of satellite television is given through the following characteristics: broadcasting systems - analog and digital (SDTV, HDTV, UHDT... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Zhigang Chu, Yingzhao Ma, Guifu Zhang, Zhenhui Wang, Jing Han, Leilei Kou and Nan Li    
Reflectivity factor bias caused by radar calibration errors would influence the accuracy of Quantitative Precipitation Estimations (QPE), and further result in spatial discontinuity in Multiple Ground Radars QPE (MGR-QPE) products. Due to sampling differ... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Md. Mehedi Hasan, Mohammad Rashed Iqbal Faruque and Mohammad Tariqul Islam    
A new compact left-handed meta-atom for S-, C- and Ku-band applications is presented in this paper. The proposed structure provides a wide bandwidth and exhibits left-handed characteristics at 0°, 90°, 180° and 270° (xy-axes) rotations. Besides, the left... ver más
Revista: Applied Sciences    Formato: Electrónico

 
usuarios registrados
Toyohisa Asaji, Hiroshi Sasaki, Yushi Kato, Fuminobu Sato, Toshiyuki Iida, and Junji Saito    
Revista: REVIEW OF SCIENTIFIC INSTRUMENTS    Formato: Impreso

 
usuarios registrados
Juo-Jung Hung; Hancock, T.M.; Rebeiz, G.M.     Pág. 754 - 761

 
usuarios registrados
Ellinger, F. Jackel, H.     Pág. 702 - 708

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