Results 21 to 30 of about 157,712 (295)
Sensors, 2016 In this research, the novel concept of a resonance-based reflector (RBR) was proposed, and a ring-shaped RBR was utilized to design a unidirectional antenna with low-profile and broadband characteristics.
Lin Peng +4 more
doaj +1 more source
Compact UWB Monopole for Multilayer Applications [PDF]
, 2006 A novel compact, dual layer UWB monopole antenna is presented. This low profile ultra-wideband antenna is fed by a 50 ? shielded strip-line with an array of metal vias making the conducting walls.
Bai, Qiang +3 more
core +1 more source
Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control & Radioelectronics, 2016 Войтович Николай Иванович, д-р техн. наук, профессор, заведующий кафедрой конструирования и производства радиоаппаратуры, Южно-Уральский государственный университет, г. Челябинск; voytovichni@mail.ru. Ершов Алексей Валентинович, канд. техн. наук, доцент кафедры конструирования и производства радиоаппаратуры, Южно-Уральский государственный университет ...
VOYTOVICH N.I., ERSHOV A.V.
openaire +4 more sources
Fully Conventional Anchor-Free Siamese Networks for Object Tracking
IEEE Access, 2019 Siamese network have been extensively applied in the tracking field because of its huge speed advantage and great precision performance in solving the tracking problems. In this paper, we propose an efficient framework for real-time object tracking which
Guang Han +4 more
doaj +1 more source
Remote Sensing, 2022 Target position estimation is one of the important research directions in array signal processing. In recent years, the research of target azimuth estimation based on graph signal processing (GSP) has sprung up, which provides new ideas for the Direction
Kefei Liao +3 more
doaj +1 more source
Feature Fusion and Adversary Occlusion Networks for Object Detection
IEEE Access, 2019 Current object detection techniques have difficulties in detecting small objects and a low level of accuracy in detecting occluded objects. To solve these problems, this paper proposes an object detection framework named FFAN which is based on Faster R ...
Guang Han +4 more
doaj +1 more source
Bit-interleaved coded modulation in the wideband regime [PDF]
, 2007 The wideband regime of bit-interleaved coded modulation (BICM) in Gaussian channels is studied. The Taylor expansion of the coded modulation capacity for generic signal constellations at low signal-to-noise ratio (SNR) is derived and used to determine ...
, +5 more
core +1 more source
EURASIP Journal on Advances in Signal Processing, 2005 Summary: The application of ultra-wideband (UWB) technology to low-cost short-range communications presents unique challenges to the communications engineer. The impact of the US FCC's regulations and the characteristics of the low-power UWB propagation channels are explored, and their effects on UWB hardware design are illustrated.
Pozar David M +2 more
openaire +2 more sources
Adapting Dynamic Appearance for Robust Visual Tracking
IEEE Access, 2017 This paper designs a robust discriminative tracking method based on correlation filter and key point matching, the highlight of which is the ability to adapt appearance changes.
Guang Han +4 more
doaj +1 more source
Rayleigh wave manipulation based on phase shift between two periodic surface corrugations
Results in Physics, 2023 The propagation of Rayleigh waves along solid surfaces has attracted great attention due to its ubiquity in seismic waves, non-destructive evaluation, acoustic surface wave devices, and so on.
Qiao-Mu Zhang +6 more
doaj +1 more source