Error Self-calibration Method in Spatial Spectrum Estimation
Leida xuebao, 2014 An important bottleneck in spatial spectrum estimation theory is array errors. A new error self-calibration method is presented on the basis of active error calibration and online self-calibration theories.
Huang Chuan-lu, Chao Kun, Mao Yun-zhi
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Spatial Spectrum Estimation of Co-Channel Direct Signal in Passive Radar Based on Coprime Array
Remote Sensing, 2022 The received signal of passive radar based on mobile communication signals contains direct and multipath interference (DMI) signals from multiple co-channel base stations (CCBS). The direct signal spatial spectrum of each CCBS should be obtained first to
Haodong Xu +4 more
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Spatial Spectrum-Based Channel Estimation for Wideband mmWave System With Beam Squint
IEEE Access, 2021 Channel estimation for millimeter wave (mmWave) systems is challenging due to their large antenna arrays. Owing to the sparse scattering nature of the mmWave channel, channel estimation can be performed by estimating the directions and the gains of paths.
Hongkang Yu +3 more
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Radio direction finding system based on spatial spectrum estimation
Dianxin kexue, 2017 The direction finding technology based on spatial spectrum estimation is widely used due to its’ ultra-high resolution,high sensitivity,high accuracy and plays a leading role in radio management.Based on the theoretical study of spatial spectrum ...
Xubin CHEN, Peiming REN, Huiling DAI
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A Fast Estimation Algorithm for the Direction-of-Arrival of Double Polarized Surface Arrays [PDF]
Hangkong bingqi, 2023 In order to solve the problem of large computation and high operation complexity in spatial spectrum estimation combined with polarization domain spectrum estimation of polarization sensitive surface array, a dimension reduction root MUSIC (Multiple ...
Han Letian, Si Weijian, Qu Mingchao
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Signal estimation in cognitive satellite networks for satellite-based industrial internet of things [PDF]
, 2021 Satellite industrial Internet of Things (IIoT) plays an important role in industrial manufactures without requiring the support of terrestrial infrastructures.
Chen, Yunfei +5 more
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Deep Networks for Direction of Arrival Estimation With Sparse Prior in Low SNR
IEEE Access, 2023 This work introduces direction of arrival (DOA) estimation considering the sparsity prior in the low signal to noise ratio (SNR) using deep learning (DL).
Yanhua Qin
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IEEE Access, 2023 The two-dimensional optimization capability of the space-time minimum variance distortionless response (STMVDR) can improve the spatial spectrum estimation performance of the broadband beamformer with limited samples, but its high sensitivity to ...
Yang Wang +3 more
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A Separation Method for Electromagnetic Radiation Sources of the Same Frequency [PDF]
Journal of Electromagnetic Engineering and Science, 2023 To separate electromagnetic interference sources with an unknown source number, a new separation method is proposed, which includes five key steps: spatial spectrum estimation, source number and direction-of-arrival estimation, mixed matrix estimation ...
Yingchun Xiao, Yang Yang, Feng Zhu
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DOA Estimation of Wideband Signal Based on Improved MUSIC Algorithm [PDF]
Jisuanji gongcheng, 2022 The existing Direction of Arrival (DOA) estimation algorithms estimate the wideband signal azimuth in the passive detection system, there are some problems such as large deviation of DOA estimation results and high computational complexity, which are ...
LI Xinting, ZHONG Shuncong, ZHONG Jianfeng
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