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Dive into the research topics where Cao Juliang is active.

Publication


Featured researches published by Cao Juliang.


international symposium on systems and control in aeronautics and astronautics | 2010

The study of north-finder based on rate biased RLG

Zhang Yan; Wu Wenqi; Cao Juliang

Rated biased RLG is used in the north-finder based on a continuous rotation platform. Along with the rotating platform, the input axis of RLG relative to the earth rotation rate vector periodically changes. In this way, the measurement error of RLG is modulated in every direction. The cross-correlation analysis method is used for getting the azimuth angle. Considering the periodicity of gyro outputs, a digital filter is designed to decrease the influence of quantization error of RLG and some other wideband error sources. Experiment results show that the “cross-correlation analysis + filter” method can markedly increase the precision of the north-finder.


Archive | 2014

Method for evaluating confidence of measuring parameters of strap-down air-borne gravimeter

Wu Meiping; Huang Yangming; Zhang Kaidong; Cai Shaokun; Cao Juliang; Pan Xianfei; Lian Junxiang


Archive | 2013

Doppler velocity log (DVL) parameter calibration method used for integrated navigation system of underwater inertial navigation system (INS) and DVL

Tang Kanghua; Cao Juliang; Pan Xianfei; Wu Wenqi; Hu Xiaoping; Wu Meiping; Jiang Mingming


Journal of Chinese Inertial Technology | 2012

Equivalent east gyro drift estimation in initial alignment for triad constant-rate biased RLG system on stationary base

Cao Juliang


Systems engineering and electronics | 2011

Fast and high accuracy initial alignment algorithm for rate biased RLG SINS on stationary base

Cao Juliang


2018 IEEE International Conference on Applied System Invention (ICASI) | 2018

A new method of GNSS fault data detection for strapdown land vehicle gravimetry

Yu Ruihang; Wu Meiping; Cao Juliang; Zhang Kaidong; Cai Shaokun


Archive | 2017

Redundant configuration laser gyroscope marine inertial navigation cooperative positioning method

Wu Wenqi; Wang Lin; Cao Juliang; Lian Junxiang; Tie Junbo; Pan Xianfei; He Xiaofeng


Archive | 2017

Quadratic power frequency doubling method based on GPS second pulses

Cao Juliang; Tie Junbo; Wu Meiping; Cai Shaokun; Yu Ruihang


Wutan Yu Huatan | 2016

Dynamic errors separation of airborne gravimetry based on empirical mode decomposition

Zou Xinlei; Cai Shaokun; Wu Meiping; Cao Juliang; Zhang Kaidong


Archive | 2015

Method for determining carrier acceleration at high precision on basis of multiple ground base stations

Zhang Kaidong; Li Xian; Cao Juliang

Collaboration


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Wu Meiping

National University of Defense Technology

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Cai Shaokun

National University of Defense Technology

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Pan Xianfei

National University of Defense Technology

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Zhang Kaidong

National University of Defense Technology

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Lian Junxiang

National University of Defense Technology

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Wu Wenqi

National University of Defense Technology

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Tang Kanghua

National University of Defense Technology

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Tie Junbo

National University of Defense Technology

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Yu Ruihang

National University of Defense Technology

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He Xiaofeng

National University of Defense Technology

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