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DOPPLER: 作品数：612被引量：1436H指数：14; 导出分析报告; 相关领域：电子电信医药卫生更多>>; 相关作者：赵俊荣王威琪庄良杰汪源源华扬更多>>; 相关机构：中国科学院复旦大学福建医科大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

无源雷达时延-Doppler域高速多目标角度估计算法: 《清华大学学报（自然科学版）》2024年第10期1797-1808,共12页刘大鹏冯新星刘成城任勇杜军; 为了获取无源雷达中微弱目标回波的角度信息,现有研究主要采用基于时延-Doppler域二维相关处理的估计算法,其基本思想是通过参考信号和监视信号的互模糊函数来获得积累增益,提升回波信号信噪比,而后进行角度估计。该文针对高速多目标场...; 关键词：无源雷达均匀圆阵高速目标相干信号角度估计 KEYSTONE变换

Doppler-resilient waveform design in integrated MIMO radar-communication systems: 《Science China(Information Sciences)》2024年第1期183-198,共16页Zhengchun ZHOU Bing LIU Bingsheng SHEN Avik Ranjan ADHIKARY Pingzhi FAN; supported in part by National Natural Science Foundation of China (Grant Nos.62071397,12001450,62131016);Natural Science Foundation of Sichuan (Grant Nos.2023NSFSC1912,2022NSFSC0906);Projects of Central Government to Guide Local Scientific and Technological Development (Grant No.2022ZYD0004)。; In recent years,the increased high-rate wireless services(5G and 6G) and reliable sensing capabilities(automotive radar,air traffic control,geophysical monitoring),have led to more serious spectrum congestion.Conventi...; 关键词：ambiguity function CORRELATION channel estimation integrated radar and communication(Rad-Com)systems MIMO radar zero correlation zone(zCz)sequence set zero odd-correlation zone(zOCz)nceset.

Radar Sensing via OTFS Signaling被引量：2: 《China Communications》2023年第9期34-45,共12页Kecheng Zhang Zhongjie Li Weijie Yuan Yunlong Cai Feifei Gao; By multiplexing information symbols in the delay-Doppler(DD)domain,orthogonal time frequency space(OTFS)is a promising candidate for future wireless communication in high-mobility scenarios.In addition to the superior...; 关键词：OTFS radar sensing delay-Doppler(DD)domain fractional delay and Doppler

BDS B1I multipath channel statistical model comparison between static and dynamic scenarios in dense urban canyon environment被引量：3: 《Satellite Navigation》2020年第1期287-302,共16页Xin Chen Di He Ling Pei; the National Key Research and Development Program of China(Grant No.2018YFB0505103);in part funded by the science and technology project of State Grid Corporation of China(No.SGSHJX00KXJS1901531);the National Natural Science Foundation of China(Grant No.61971278);the Equipment Pre-Research Foundation of China(Grant No.61404130218).; Global Navigation Satellite System(GNSS)multipath channel models are fundamental and critical for signal simulation and receiver performance evaluation.They also aid the designing of suitable multipath error mitigatio...; 关键词：Multipath channel statistical model Multipath delay Multipath power loss Multipath Doppler fading frequency Multipath lifetime

Moving target localization for multistatic passive radar using delay, Doppler and Doppler rate measurements被引量：9: 《Journal of Systems Engineering and Electronics》2020年第5期939-949,共11页ZHAO Yongsheng HU Dexiu ZHAO Yongjun LIU Zhixin; supported by the National Natural Science Foundation of China (61703433)。; Time delay and Doppler shift between the echo signal and the reference signal are two most commonly used measurements in target localization for the passive radar. Doppler rate, which can be obtained from the extended...; 关键词：target localization multistatic passive radar time delay Doppler shift Doppler rate

A hypersonic target coherent integration detection algorithm based on Doppler feedback被引量：6: 《Journal of Systems Engineering and Electronics》2020年第1期85-94,共10页LI Lin WANG Guohong SUN Dianxing ZHANG Xiangyu; supported by the National Natural Science Foundation of China(61731023;61701519;61671462);the Distinguished Taishan Scholars in Climbing Plan; The traversal search of multi-dimensional parameter during the process of hypersonic target echo signal coherent integration,leads to the problem of large amounts of calculation and poor real-time performance.In view ...; 关键词：hypersonic target coherent integration non-coherent integration Doppler estimation feedback adjustment

The space-time coupling statistical model of reverberation from moving platforms被引量：2: 《Chinese Journal of Acoustics》2019年第3期273-294,共22页LIU Jianguo ZHU Lingxiao YAN Shenggang; supported by the National Natural Science Foundation of China(61371151); The space-time coupling characteristic of reverberation is one of key problems in the range of reverberation suppression with space-time processing methods.Traditional methods are not based on statistical characterist...; 关键词：DOPPLER The SPACE-TIME COUPLING STATISTICAL model of REVERBERATION from moving PLATFORMS

GNSS Spoofing Detection Based on Consistency Check of Velocities被引量：13: 《Chinese Journal of Electronics》2019年第2期437-444,共8页TAO Huiqi WU Hailing LI Hong LU Mingquan; supported by the National Natural Science Foundation of China(No.61571255); Spoofing attacks for Global navigation satellite system(GNSS) would cause the abnormal changes of receiver measurements. Monitoring the abnormal changes is the main pattern of anti-spoofing techniques.Anomalies of Dop...; 关键词：GNSS Anti-spoofing Pseudoranges DOPPLER Velocity CONSISTENCY

基于外辐射源的AIEKF定位算法被引量：4: 《火力与指挥控制》2018年第6期37-40,46,共5页关欣吕政君许小丰; 国家自然科学基金资助项目(61671463); 为了提高扩展卡尔曼滤波(EKF)定位算法对目标状态估计的精度,降低迭代扩展卡尔曼滤波(IEKF)算法的运算复杂度,在单发单收的外辐射源定位体制下,利用方向角(DOA)和多普勒频移(Doppler)信息,提出了一种自适应迭代扩展卡尔曼滤波(AIEKF)定...; 关键词：外辐射源定位自适应迭代扩展卡尔曼滤波(AIEKF) 方向角(DOA) 多普勒频移(Doppler)

基于Doppler估计的弹载接收机抗欺骗干扰研究被引量：5: 《导航与控制》2017年第5期7-12,共6页王雪冬吴盘龙恽鹏; 国家自然科学基金(编号:61473153);航空科学基金(编号:2016ZC59006);江苏省六大人才高峰(编号:2015-XXRJ-006); GNSS接收机在军用方面尤其是高精度制导武器中的应用日益增强。针对卫星信号易受敌方欺骗信号干扰的问题,设计一种基于Doppler频率估计的弹载接收机抗欺骗干扰的方法。首先分析了欺骗干扰和真实信号的Doppler变化特点;然后在捕获阶段利...; 关键词：GNSS 高动态 EKF 载波跟踪 Doppler估计抗欺骗

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