云南高校图书馆联盟文献共享服务平台- AMBIGUITY

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Low-Complexity Integrated Super-Resolution Sensing and Communication with Signal Decimation and Ambiguity Removal: 《ZTE Communications》2024年第3期48-55,共8页DAI Qianglong ZHOU Zhiwen XIAO Zhiqiang ZENG Yong YANG Fei CHEN Yan; supported by the National Natural Science Foundation of China under Grant No.62071114.; Integrated sensing and communication(ISAC)is one of the main usage scenarios for 6G wireless networks.To most efficiently utilize the limited wireless resources,integrated super-resolution sensing and communication(IS...; 关键词：ISSAC sparse decimation range ambiguity two-stage approach

EZ-Manipulator:Designing a mobile,fast,and ambiguity-free 3D manipulation interface using smartphones被引量：1: 《Computational Visual Media》2018年第2期139-147,共9页Po-Huan Wseng Shih-Hsuan Hung Pei-Ying Chiang Chih-Yuan Yao Hung-Kuo Chu; Interacting with digital contents in 3 D is an essential task in various applications such as modeling packages, gaming, virtual reality, etc. Traditional interfaces using keyboard and mouse or trackball usually requi...; 关键词：3D manipulation interface interaction technique MULTI-TOUCH gyroscope sensorl mobile device input device

Low-complexity fractional phase estimation for totally blind channel estimation被引量：2: 《Journal of Systems Engineering and Electronics》2015年第2期232-240,共9页Xu Wang Tao Yang Bo Hu; supported by the National Science and Technology Major Project of China(2013ZX03003006-003); To remove the scalar ambiguity in conventional blind channel estimation algorithms, totally blind channel estimation （TBCE） is proposed by using multiple constellations. To estimate the unknown scalar, its phase is ...; 关键词：orthogonal frequency division multiplexing(OFDM) totally blind channel estimation(TBCE) scalar ambiguity fractional phase low-co

A Novel Parameter Estimation Algorithm for DSSS Signals Based on Compressed Sensing被引量：4: 《Chinese Journal of Electronics》2015年第2期434-438,共5页WU Shuang TIAN Jing CUI Wei; supported by the Foundation of Shanghai Aerospace Science andTechnology(No.SAST201215);the Program for New Century Excellent Talents in University(No.NCET-13-0034); A novel parameter estimation algorithm based on Compressed sensing(CS) for the Direct sequences spread spectrum(DSSS) signals in high dynamic environments is proposed. In this algorithm, Fractional Fourier transform(F...; 关键词：Compressed sensing(CS) Fractional FOURIER transform(Fr FT) Direct sequences SPREAD spectrum(DSSS) DOPPLER frequency AMBIGUITY

基于Radon变换的LFM信号检测与参数估计被引量：6: 《现代防御技术》2013年第1期136-141,共6页于媛; 提出了一种基于RAT法和RWT法的快速算法,研究噪声环境中线性调频信号的检测以及参数估计问题。该方法对信号的检测通过一维搜索完成,同时对调频率识别比较准确,在此基础上,通过窄带通滤波器对LFM信号去除大部分的噪声能量。和其他基于...; 关键词：线性调频信号 Radon—Wigner变换 Radon—Ambiguity变换

Research on a port and starboard ambiguity conjugate cancelling method for twin-line array: 《Chinese Journal of Acoustics》2010年第3期277-284,共8页WANG Fupo LI Shuqiu LI Yu HUANG Haining; supported by the Knowledge Innovation Program of the Chinese Academy of Sciences and National Defense Research Projects(A1320070051); It is always an important problem in sonar signal processing for towed array to distinguish the target between port and starboard.It is studied in this paper the normalized beam output function for the parallel twin-l...

A Novel Blind Channel Estimation for a 2x2 MIMO System: 《International Journal of Communications, Network and System Sciences》2009年第5期344-350,共7页Xia LIU Marek E. BIALKOWSKI Feng WANG; A novel blind channel estimation method based on a simple coding scheme for a 2 by 2 multiple input multiple output (MIMO) system is described. The proposed algorithm is easy to implement in comparison with convention...; 关键词：MIMO CHANNEL ESTIMATION SEMI-BLIND CHANNEL ESTIMATION PHASE AMBIGUITY

Ultrasonic signal classification based on ambiguity plane feature被引量：4: 《Journal of Systems Engineering and Electronics》2009年第2期427-433,共7页Du Xiuli Wang Yan Shen Yi; Ambiguity function （AF） is proposed to represent ultrasonic signal to resolve the preprocessing problem of different center frequencies and different arriving times among ultrasonic signals for feature extraction, a...; 关键词：ultrasonic testing signal classification ambiguity function K-L transform

分级计算迭代在Radon-Ambiguity变换和分数阶Fourier变换对chirp信号检测及参数估计的应用被引量：18: 《电子与信息学报》2007年第12期3024-3026,共3页郭斌张红雨; 该文在分析Radon-Ambiguity变换(RAT)和分数阶Fourier变换对chirp信号的检测和参数估计的基础上,建立了多分量chirp信号检测和参数估计系统模型,提出了分级计算迭代方法,大大减少了计算量,提高了运算速度。; 关键词：分数阶FOURIER变换 Radon—ambiguity变换 CHIRP信号

A METHOD FOR SOLVING DOA ESTIMATION AMBIGUITY IN ESPRIT ALGORITHM被引量：1: 《Journal of Electronics(China)》2000年第4期325-330,共6页He Zishu Li Yong Huang Zhenxing (Iust. of Electron. Eng., University of Electronic Science & Technology of China, Chengdu 610054); This paper introduces a method for solving DOA estimation ambiguity in ESPRIT algorithm with the conventional beamformer. With the help of it, for any space of two subarrays, the signal DOA in [-π/2 ,π/2] can be est...; 关键词：ESPRIT algorithm SOLVING AMBIGUITY SIGNAL DOA estimation

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