Results 1 to 10 of about 3,109 (50)
A flat phase difference across a broad bandwidth is achieved by appropriately combining the positive and negative phase propagation of right-handed (RH) and left-handed (LH) transmission lines (TLs), respectively.
Heeje Han, Hongjoon Kim
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Quad Port Multipolarized Reconfigurable MIMO Antenna for Sub 6 GHz Applications
Recent reconfigurable technological advancements for wireless communication systems provide various global solutions. This research work presents a quad port multipolarized switchable multiple input multiple output (MIMO) antenna for sub 6 GHz ...
Deepa Thangarasu +2 more
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A Compact High-Gain, High-Power, Ultrashort Pulse Signal Acquisition Device
Ultrashort pulse (USP) signal with high peak power is also called ultrawideband signal, which has a broad application prospect in radar detection and electronic countermeasures and other fields.
Jinyong Fang +5 more
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A miniaturized enhanced isolation 8-unit MIMO antenna for smartphones is proposed in this paper. The units are planar inverted-F antennas with the same structure, and we use the slotting method and shorted probe to miniaturize them.
Zhiwei Song +3 more
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An Iterative High-Accuracy ADI Method for the 3D Parabolic Equation
The alternating direction implicit parabolic equation (ADI-PE) method and the Crank–Nicolson parabolic equation (CN-PE) method have been widely used for solving the 3D parabolic equation (3D-PE) in radio wave propagation.
Xiaoping Wu +3 more
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This paper presents a miniaturized planar dual-band short-ended metamaterial antenna with the backed ground plane to improve antenna bandwidths and radiation characteristics.
Rajkishor Kumar +4 more
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A New Adaptive System for Suppression of Transient Wind Disturbance in Large Antennas
Under transient wind disturbance, vibration deformation of the large antenna surface profile causes deterioration of pointing performance. This paper presents a new adaptive system to suppress unknown transient wind disturbance.
Wei Liang, Jin Huang, Jie Zhang
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2D Efficient Unconditionally Stable Meshless FDTD Algorithm
This paper presents an efficient weighted Laguerre polynomials based meshless finite-difference time domain (WLP-MFDTD). By decomposing the coefficients of the system matrix and adding a perturbation term, a factorization-splitting scheme is introduced ...
Kang Luo +4 more
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Measurement-Based Analysis on Vehicle-to-Vehicle Connectivity in Tunnel Environment
Vehicular ad hoc network (VANET) brings an excellent solution to ensure road safety and transportation efficiency in critical environment like tunnel.
Suying Jiang +4 more
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Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks
This paper presents results of investigation on the coherence bandwidth of narrowband radio channels in 430 MHz band. The coherence bandwidth values were estimated from a power delay profile obtained by recording CDMA2000 forward channel signals during ...
Jaroslaw Sadowski
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