[PDF][PDF] 新型高温薄膜热流传感器的研制

崔云先, 黄金鹏, 曹凯迪, 王浩宇, 殷俊伟 - 仪器仪表学报, 2023 - jemi.cnjournals.com
航天飞行器在返回地球大气层时外表面会产生兆瓦级的热流, 瞬时温升可达1 800℃,
为了保证飞行器的稳定安全运行, 准确实时测量飞行器热防护系统表面热流具有非常迫切和重要 …

[HTML][HTML] Rigorous and integrated self-calibration model for a large-field-of-view camera using a star image

Z Yinhu, C Shaojie, C Zhang, W Ruopu - Chinese Journal of Aeronautics, 2023 - Elsevier
This paper proposes a novel self-calibration method for a large-FoV (Field-of-View) camera
using a real star image. First, based on the classic equisolid-angle projection model and …

Real-time estimation of roll angles by magnetometer based on two-step adaptive Kalman filter

X Dong, G Chen, X Tian, X Yan - Measurement, 2022 - Elsevier
The geomagnetic field vector information is critical to the navigation and positioning in the
magnetic measurement of satellites, ships, and aircraft, however, suffers from the internal …

Design and verification of an integrated panoramic sun sensor atop a small spherical satellite

Q Zhang, Y Zhang - Sensors, 2022 - mdpi.com
This paper proposes an integrated panoramic sun sensor (IPSS) for the small spherical
satellite Q-SAT that has been working in orbit since 2020. IPSS is essentially a set of …

[HTML][HTML] Adaptive nonlinear Kalman filters based on credibility theory with noise correlation

GE Quanbo, S Zihao, ZHU Bingtao, B ZHANG - Chinese Journal of …, 2024 - Elsevier
To solve the divergence problem and overcome the difficulty in guaranteeing filtering
accuracy during estimation of the process noise covariance or the measurement noise …

Performance optimization of forward-flight and lift-up phases in a cycloidal rotor using an active control mechanism

M Habibnia Rami, JC Pascoa - Journal of Aerospace Engineering, 2021 - ascelibrary.org
Cycloidal rotors have revealed a noticeable potential to be further enhanced when running
at different operating conditions. The present work demonstrates the active control …

[Retracted] Evaluation Method of Advanced Mathematics Teaching Reform Effect Based on Big Data Analysis Technology

Y Chen - Advances in Multimedia, 2022 - Wiley Online Library
In order to promote the teaching reform, deepen the professional construction, innovate the
talent training mode and course teaching mode, improve teachers' advanced vocational …

基于神经网络的气压传感器非线性校正.

贾克斌, 王彦明, 杨加春… - Journal of Beijing …, 2021 - search.ebscohost.com
To overcome the difficulty of nonlinear correction of pressure sensors and to solve the
problem of low accuracy of correction results. A back propagation (BP) neural network …

A new procedure for onboard calibration of star sensors installed on low Earth orbit satellite

J Zhang, H Dong, Q Zhao - Journal of Engineering and Applied Science, 2024 - Springer
This paper suggests a new onboard calibration procedure for star sensors installed on low
Earth orbit satellites. In this procedure, all the error factors are investigated, and an accurate …

一种基于多分类器和证据理论融合的水质分类方法.

项新建, 颜超龙, 费正顺, 郑永平, 李可晗 - Yellow River, 2024 - search.ebscohost.com
针对单分类器对不同水质类别识别不均衡, 水质分类准确率较低, 适应性较差的问题,
提出一种基于多分类器和证据理论融合的水质分类方法. 选取深度神经网络分类器 …