Qingan Jiang

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Temperature changes have a strong effect on Hemispherical Resonator Gyro (HRG) output; therefore, it is of vital importance to observe their influence and then make necessary compensations. In this paper, a temperature compensation model for HRG based on the natural frequency of the resonator is established and then temperature drift compensations are(More)
A novel design of force to rebalance control for a hemispherical resonator gyro (HRG) based on FPGA is demonstrated in this paper. The proposed design takes advantage of the automatic gain control loop and phase lock loop configuration in the drive mode while making full use of the quadrature control loop and rebalance control loop in controlling the(More)
Based on stochastic modeling of Coriolis vibration gyros by the Allan variance technique, this paper discusses Angle Random Walk (ARW), Rate Random Walk (RRW) and Markov process gyroscope noises which have significant impacts on the North-finding accuracy. A new continuous rotation alignment algorithm for a Coriolis vibration gyroscope Inertial Measurement(More)
High-accuracy railway track surveying is essential for railway construction and maintenance. The traditional approaches based on total station equipment are not efficient enough since high precision surveying frequently needs static measurements. This paper proposes a new filtering and smoothing algorithm based on the IMU/odometer and landmarks integration(More)
OBJECTIVE This study aims to investigate the effects and their mechanisms of PPARα and PGC-1α pathways in doxorubicin induced dilated cardiomyopathy in mice. METHODS The model of dilated cardiomyopathy (DCM) was established by injecting doxorubicin in mice. The 40 surviving mice were divided randomly into control group, doxorubicin model group, PPARα(More)
Railway track irregularity surveying is important for the construction and the maintenance of railway lines. With the development of inertial devices, systems based on Inertial Navigation System (INS) have become feasible and popular approaches in track surveying applications. In order to overcome the requirement of high precision control points, this paper(More)
Dilated cardiomyopathy is the most frequent form of myocardial disease. Many factors contribute to dilated cardiomyopathy, for instance, long-term use of doxorubicin, one of the anthracyclines clinically used for cancer chemotherapy, result in dilated cardiomyopathy and congestive heart failure. However, the mechanism underlining doxorubicin-induced(More)
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