Results 71 to 80 of about 5,138,507 (193)
A dual-band wide angle coverage cavity-backed slot antenna
Journal of Information and IntelligenceA dual-band wide angle coverage cavity-backed slot antenna (WACCBSA) for Wi-Fi applications is proposed in this paper. The antenna's main structure consists of a metal cylindrical body featuring a horizontally oriented long slot on its side and an ...
Jingli Guo +4 more
doaj +1 more source
Radar/ESM anti-bias track association algorithm based on track distance vector detection
The Journal of Engineering, 2019 To address radar/ESM track association problem in the presence of sensor biases and different targets reported by different sensors, an anti-bias track association algorithm based on track distance vectors detection is proposed according to the ...
Baozhu Li +4 more
doaj +1 more source
A DFB-SOA Based Optical Vector Network Analyzer for Characterization of Bandpass Optical Devices
Applied SciencesIn this paper a novel optical vector network analyzer (OVNA) utilizing a distributed feedback semiconductor optical amplifier (DFB-SOA) is introduced. The proposed OVNA is implemented by converting the transmission response of the optical device under ...
Ye Deng +4 more
doaj +1 more source
Multi-target tracking of birds in complex low-altitude airspace based on GM_PHD filter
The Journal of Engineering, 2019 GM_PHD (Gaussian mixture of probability hypothesis density) cannot completely track multiple targets, such as the flying birds in the complex low-altitude airspace near the airport, due to the lack of the steps of birth detection, track extraction and ...
Tao Hong +4 more
doaj +1 more source
Detection and tracking for radar simulation using MATLAB [PDF]
, 2012 The objective of the project is to simulate the real time Radar detection and tracking operations using MATLAB software. Radar system use modulated waveforms and directive antennas to transmit electromagnetic energy into a specific volume in space to
Almarghani, Khaled Ali. O.
core
Analytical volume model for optimized spatial radar bat detection in onshore wind parks
PLoS ONE, 2020 To develop mitigation measures for the protection of bats in close proximity to onshore wind turbines, new detection techniques covering large-scale environments and techniques, which are able to track individuals are required.
Jannes Kreutzfeldt +6 more
doaj +2 more sources
IEEE Open Journal of Antennas and PropagationThis article analyzes the current development status and requirements of wireless communication technology, and proposes a multibeam MM-wave antenna array with high-isolation for in-band full duplex (IBFD) wireless integrated access and backhaul ...
Tong Wu +4 more
doaj +1 more source
A 2-D Fully Polarized Van Atta Array Based on Wide-Beam Tri-Polarized Antennas
MicromachinesThis paper proposes a 2-D fully polarized Van Atta array, which consists of four tri-polarized antenna elements. The tri-polarized antenna element comprises a monopole antenna and a low-profile microstrip antenna that widens the beam by folding four ...
Jicheng Pan +3 more
doaj +1 more source
A Study of Ineffective Investment Trust and Precious Metal Mining Issues [PDF]
, 1937 Inobject/target reconstruction and recognition based on laser radar data, the range value's accuracy is important. The range data accuracy depends on the accuracy in the laser radar's detector, especially the algorithm used for time-of-flight estimation.
Chevalier, Tomas +3 more
core +1 more source
High-Gain Miniaturized Ultrawideband Antipodal Vivaldi Antenna with Metamaterials
MicromachinesA compact high-gain antipodal Vivaldi antenna with ultra-wideband (UWB) performance ranging from 1 GHz to 25 GHz is proposed and demonstrated. The antenna features two sets of tapered exponential slots along the flare edges to enhance low-frequency ...
Wentao Zhang +3 more
doaj +1 more source