Results 21 to 30 of about 1,958,932 (291)
Active reflection coefficients characterization system for multiple input multiple output antennas
IET Microwaves, Antennas & Propagation, 2021 The main objective of this study is to present a characterization system that can be used to measure the active reflection coefficient of each port of the multiple input multiple output (MIMO) antennas, when the main beam is steered to an intended ...
Marina Jordão +4 more
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Time Reversal in Multiple-Input Multiple-Output Radar [PDF]
IEEE Journal of Selected Topics in Signal Processing, 2010 Time reversal explores the rich scattering in a multipath environment to achieve high target detectability. Multiple-input multiple-output (MIMO) radar is an emerging active sensing technology that uses diverse waveforms transmitted from widely spaced antennas to achieve increased target sensitivity when compared to standard phased arrays.
Yuanwei Jin +2 more
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Spatial Permutation Modulation for Multiple-Input Multiple-Output (MIMO) Systems
IEEE Access, 2019 Spatial modulation (SM) for the multiple-input-multiple-output (MIMO) system has attracted research interests due to its high energy and spectral efficiency.
I-Wei Lai +6 more
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Achievability of Nonlinear Degrees of Freedom in Correlatively Changing Fading Channels [PDF]
, 2014 A new approach toward the noncoherent communications over the time varying fading channels is presented. In this approach, the relationship between the input signal space and the output signal space of a correlatively changing fading channel is shown to ...
Karzand, Mina, Zheng, Lizhong
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An Achievable Rate for the MIMO Individual Channel [PDF]
, 2010 We consider the problem of communicating over a multiple-input multiple-output (MIMO) real valued channel for which no mathematical model is specified, and achievable rates are given as a function of the channel input and output sequences known a ...
Feder, Meir, Lomnitz, Yuval
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Multiple Input to Multiple Output Images Fusion Based on Turbo Iteration
EURASIP Journal on Advances in Signal Processing, 2010 This paper mainly addresses the problem of multipolar Synthetic Aperture Radar (SAR) and colorful optical images fusion by regarding them as multichannel images.
Chu He, Meng-ling Liu, Na Li, Hong Sun
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CNN-based multiple-input multiple-output radar image enhancement method
The Journal of Engineering, 2019 In this study, the convolutional neural network (CNN) is utilised to enhance the quality of radar images. First, a four-layer convolutional neural network is trained. The input of it is a complex valued two-dimensional low-resolution radar image, and the
Yongpeng Dai +4 more
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Visual parameter optimisation for biomedical image processing [PDF]
, 2015 Background: Biomedical image processing methods require users to optimise input parameters to ensure high quality output. This presents two challenges. First, it is difficult to optimise multiple input parameters for multiple input images.
AC Ruifrok +37 more
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Correlation characteristic analysis in diversity multiple‐input multiple‐output radar
Electronics Letters, 2017 A huge limitation of the correlation analysis in existing scatterer model is that only uniformly distributed scatterers are considered ignoring the variability of scattering intensity in the real situation.
Jieyi Liu +4 more
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Resource Allocation Method Based on Cognitive Multiple-Input Multiple-Output Networks [PDF]
Jisuanji gongcheng, 2018 Aiming at the problem of high energy consumption in wireless communication,based on multiuser cognitive Multiple-Input Multiple-Output(MIMO) networks system and using Time Division Multiplexing-Code Division Multiple Access(TDM-CDMA) technology,the "
NI Guoying,QIN Xizhong,JIA Zhenhong,NIU Hongmei,WANG Zhehui
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