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Millimeter wave imaging of Range Migration Algorithm with adaptive background filtering 认领 引用
1
作者 CHENG Zhi-Hua ZHOU Ran +3 位作者 WANG Meng YU Tao WANG Yu-Lan YAO Jian-Quan 《红外与毫米波学报》 SCIE EI CAS CSCD 北大核心 2026年第2期279-284,共6页
This paper proposes a novel Range Migration Algorithm(RMA)integrated with an adaptive background filtering method specifically designed for near-field millimeter-wave imaging scenarios where targets are in close proxi... This paper proposes a novel Range Migration Algorithm(RMA)integrated with an adaptive background filtering method specifically designed for near-field millimeter-wave imaging scenarios where targets are in close proximity to background structures.This method simulates the attention distribution mode of the human visual system which is used in Artificial Intelligence(AI)and called the Attention Mechanism.Based on the concept of static clutter filtering,the frequency-domain signals of the scanning aperture are divided into grid cells.Background scattering functions are established by analyzing the motion processes within each cell,and the background interference is linearly filtered out.An analysis of the manifestation of background scattering interference within the algorithm is carried out,and the impact of the grid cell dimension on the imaging quality is investigated.Experimental results show that the proposed method exhibits the capability to enhance the signal-to-noise ratio of both the target and the background.It effectively suppresses the background interference,leading to a more prominent image,meanwhile without imposing the excessive computational load.The method offers a novel solution for improving the performance of millimeter-wave imaging technology in practical applications. 展开更多
关键词 information processing technology millimeter-wave imaging Range Migration Algorithm(RMA) attention mechanism adaptive background filtering
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Robust Broadband Beam-Forming Based on the Feature of Underwater Target Radiated Noise 认领 引用 被引量：1
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作者 陈新华 刘超 +2 位作者 余华兵 郑恩明 孙长瑜 《China Ocean Engineering》 SCIE EI CSCD 2016年第6期1004-1011,共8页
To the problem of the unknown underwater target detection, according to the feature that the underwater target radiated noise contains the stable line spectrum, a weighted method based on the main-to-side lobe ratio ... To the problem of the unknown underwater target detection, according to the feature that the underwater target radiated noise contains the stable line spectrum, a weighted method based on the main-to-side lobe ratio （MSLR） is proposed for broadband beam-forming. This weighted method can be implemented by using the following steps. Firstly, optimize the spatial spectrum of each frequency unit by the second-order cone programming （SOCP）, and obtain the optimized spatial spectrum with lower side lobe. Secondly, construct weighting factors based on the MSLR of the optimized spatial spectrums to from weight factors. Lastly, cumulate the spatial spectrum of each frequency unit via the weight statistical method of this paper. This method can restrain the disturbance of background noise, enhance the output signal-to-noise ratio （SNR）, and overcome the difficulty of traditional four-dimensional display. The theoretical analysis and simulation results both verify that this method can well enhance the spatial spectrum of line spectrum units, restrain the spatial spectrum of background noise units, and improve the performance of the broadband beam-forming. 展开更多
关键词 information processing technology target detection broadband beam-forming main-to-side lobe ratio
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Adaptive Multi-scale Edge Detection Based on Region Energy 认领 引用 被引量：1
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作者 江泽涛 赵荣椿 《Chinese Journal of Aeronautics》 EI CAS 2005年第3期237-241,共5页
An adaptive multiscale edge detection method based on region energy analysis is presented here. Region energy distributions of both sides in different edge directions are studied. Based on the analysis and on the rati... An adaptive multiscale edge detection method based on region energy analysis is presented here. Region energy distributions of both sides in different edge directions are studied. Based on the analysis and on the ratio between region energy threshold difference and region area, the adaptive multiscale edge detection rnethod is developed. The experiment result shows that the new method is effective, feasible and noise-resistant in image detection. 展开更多
关键词 information processing technology edge detection region energy adaptive multiscale
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Research on Model of Virtual Organization and Its Practice 认领 引用
4
作者 Shengfu Liu Guoxin Liu Yurong Zeng 《Chinese Business Review》 2004年第1期24-28,共5页
This paper discusses an organizational model to be used for both conventional and virtual organizations. The model deals with variable relationships within an organization and provides a framework for overall organiza... This paper discusses an organizational model to be used for both conventional and virtual organizations. The model deals with variable relationships within an organization and provides a framework for overall organizational design that may include relationship among different design variables and external relationship with environment. Based on the researches of virtual organization, this paper also illustrates the new model of organization in the real world such as Beijing 2008 Olympic games and Dongfeng Automobile group. 展开更多
关键词 business process information technology organizational model value chain virtual organization
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Field-free topological spin textures enable spin selectivity for spin light-emitting diodes 认领 引用
5
作者 Yongping Wei Shuo Cao +14 位作者 Chenhao Zhang Xinran Wang Sihao Ren Hongshu Li Yi Yang Jiangpeng Zhou Mingyu Chen Shiming Wu Weisheng Zhao Xichao Zhang Zhiming Wu Xu Li Yaping Wu Rong Zhang Junyong Kang 《Science Bulletin》 SCIE EI CAS CSCD 2026年第2期245-249,共5页
Advances in information processing technologies rely fundamentally on the ability to manipulate,convey,and discern the information carriers[1].Topological spin textures,prized for robustness,tunability,and low energy ... Advances in information processing technologies rely fundamentally on the ability to manipulate,convey,and discern the information carriers[1].Topological spin textures,prized for robustness,tunability,and low energy consumption,are promising information carriers for next-generation spintronic technologies.Current research,like racetrack memories and logic gates[2,3],focused on manipulating spin textures via electrons/photons,while leveraging spin textures to control electrons/photons in semiconductors remains scarce. 展开更多
关键词 field free topological spin textures information processing technologies information carriers leveraging spin textures logic gates focused spin texturesprized manipulating spin textures racetrack memories
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Aims & Scope 认领 引用
6
《Information Processing in Agriculture》 SCIE EI CSCD 2026年第1期I0002-I0002,共1页
Information Processing in Agriculture(IPA)is established in 2013 and encourages the development towards a science and technology of information processing in agriculture,through the following aims:To promote the use o... Information Processing in Agriculture(IPA)is established in 2013 and encourages the development towards a science and technology of information processing in agriculture,through the following aims:To promote the use of knowledge and methods from the information processing technologies in the agriculture;To illustrate the experiences and publications of the institutes,universities and government,and also the profitable technologies on agriculture. 展开更多
关键词 information processing information processing technologies technological applications knowledge promotion agriculture promote use knowledge methods illustrate experiences publications technology
Aims&Scope 认领 引用
7
《Information Processing in Agriculture》 SCIE EI CSCD 2026年第2期I0002-I0002,共1页
Information Processing in Agriculture(IPA)is established in 2013 and encourages the development towards a science and techno logy of information processing in agriculture,through the following aims:●To promote the us... Information Processing in Agriculture(IPA)is established in 2013 and encourages the development towards a science and techno logy of information processing in agriculture,through the following aims:●To promote the use of knowledge and methods from the information processing technologies in the agriculture;●To illustrate the experiences and publications of the institutes,universities and government,and also the profitable techno logies on agriculture. 展开更多
关键词 information processing information processing technologies knowledge promotion agriculture techno logies promote use knowledge methods science techno logy illustrate experiences publications
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