DOPPLER

作品数：612被引量：1436H指数：14
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A Doppler Location Method Based on Virtual Path Difference
《Journal of Electronic & Information Systems》2023年第1期20-25,共6页Yu Tao 
This paper presents a Doppler passive location method for moving targets with fixed single station using the Doppler frequency shift and time difference information.First,based on the relationship between frequency sh...
关键词：Fixed single station Passive location Doppler frequency Doppler frequency change rate Frequency shift-path difference equation Virtual path difference 
Noise reduction of acoustic Doppler velocimeter data based on Kalman filtering and autoregressive moving average models
《Acta Oceanologica Sinica》2020年第12期106-113,共8页Chuanjiang Huang Fangli Qiao Hongyu Ma 
The National Key Research and Development Program of China under contract No.2017YFC1404000;the Basic Scientific Fund for National Public Research Institutes of China under contract No.2018S03;the National Natural Science Foundation of China under contract Nos 41776038 and 41821004
Oceanic turbulence measurements made by an acoustic Doppler velocimeter(ADV)suffer from noise that potentially affects the estimates of turbulence statistics.This study examines the abilities of Kalman filtering and a...
关键词：noise Kalman filtering autoregressive moving average model TURBULENCE acoustic Doppler velocimeter 
A gas kick early detection method outside riser based on Doppler ultrasonic wave during deepwater drilling
《Petroleum Exploration and Development》2020年第4期846-854,共9页YIN Bangtang LIN Yingsong WANG Zhiyuan SUN Baojiang LIU Shujie SUN Jinsheng HOU Jian REN Meipeng WANG Ning 
Supported by Natural Science Foundation of China(51991363);National Program on Key Basic Research Project(973 Program)(2015CB251200);Changjiang Scholars and Innovative Research Team Project(IRT_14R58)
The feasibility of gas kick early detection outside the riser was analyzed based on gas-liquid multiphase flow theory.Then an experimental platform for gas kick early detection based on Doppler ultrasonic wave was est...
关键词：deepwater drilling RISER Doppler ultrasonic wave gas-liquid two phase flow signal analysis early detection of gas kick 
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 
Dynamic routing and wavelength assignment algorithm of optical satellite networks based on cross-layer design
《High Technology Letters》2017年第3期252-259,共8页文国莉 Zhang Qi Tian Qinghua Wang Houtian Tao Ying Chen Dong Liu Naijin Shen Yufei Zhou Na 
Supported by the National Natural Science Foundation of China(No.61675033,61575026,61675232,61571440);the National High Technology Research and Development Program of China(No.2015AA015504)
In order to overcome the adverse effects of Doppler wavelength shift on data transmission in the optical satellite networks,a dynamic routing and wavelength assignment algorithm based on crosslayer design( CL-DRWA) is...
关键词：cross-layer design Doppler wavelength shift dynamic routing and wavelength assignment optical satellite network 
An Ant Colony Algorithm Based on Cross-Layer Design for Routing and Wavelength Assignment in Optical Satellite Networks被引量：17
《China Communications》2017年第8期63-75,共13页Guoli Wen Qi Zhang Houtian Wang Qinghua Tian Ying Tao 
supported by the National Natural Science Foundation of China(No.61675033,61575026,61675233);National High Technical Research and Development Program of China(No.2015AA015504)
This paper introduces an ant colony routing and wavelength assignment algorithm based on cross-layer design(CL-ACRWA),which can overcome the adverse effects of Doppler wavelength shift on data transmission in optical ...
关键词：optical satellite network routing and wavelength assignment ant colony optimization cross-layer design Doppler wavelength shift 
Airborne direction finding method based on Doppler-phase measurement被引量：1
《Frontiers of Electrical and Electronic Engineering in China》2010年第4期493-495,共3页Tao YU 
A new direction finding(DF)method,in which the high-accuracy measuring can be realized only with single baseline,is presented used for airborne based on Doppler-phase measurement.The analysis discovers that the intege...
关键词：phase interferometer direction finding Doppler frequency airborne single station location 
Doppler estimating and compensating method based on phase被引量：2
《Journal of Systems Engineering and Electronics》2009年第4期681-686,共6页Chen Gang Zhao Zhengyu Nie Xuedong Shi Shuzhu Yang Guobin Su Fanfan 
supported partly by the National Natural Science Foundation of China(40804042);the Post DoctorFoundation of China(20070420919).
According to the Doppler sensitive of the phase coded pulse compression signal, a Doppler estimating and compensating method based on phase is put forward to restrain the Doppler sidelobes, raise the signal-to-noise r...
关键词：IONOSPHERE Doppler estimation Doppler compensation PHASE 
VEHICULAR NODE POSITIONING BASED ON DOPPLER-SHIFTED FREQUENCY MEASUREMENT ON HIGHWAY被引量：3
《Journal of Electronics(China)》2009年第2期265-269,共5页Xu Bo Shen Lianfeng Yan Feng 
Supported by the National Grand Fundamental Research Program of China (973 Program, No.2007CB310606);The National High Technology Research and Development Program of China (863 Program, No.2008AA01Z205);China Postdoctoral Science Foundation funded project
Vehicular node positioning needs to be quick and precise on highway for safety considera-tion.In this paper,we present a novel and practical vehicular node positioning method which can achieve a higher accuracy and mo...
关键词：POSITIONING Doppler-shifted frequency Vehicular Ad Hoc Network（VANET） 
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