20 Result(s)
within
Chapter
Lili **ng
Aerospace Technology and Astronautics
Communications Engineering, Networks
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Chapter and Conference Paper
Antenna Circular Rotation Method for Detecting Receiver Dynamic Positioning Accuracy
The paper introduces circular rotation testing system by which GPS receiver’s dynamic performance can be examined, analyzes the change rule of Doppler frequency shift caused by the circular rotation of antenna...
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Chapter and Conference Paper
Research on Inverse RTD Positioning Algorithm and System Implementation
Due to high cost and difficult to achieve real-time monitoring of receivers with the existing RTD technology, this paper proposes the inverse real-time pseudo-range differential technology (IRTD) based on CORS...
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Chapter and Conference Paper
The Design and Realization of Online Land Patrol System Based on CORS
Land patrol is very crucial to land resource management, land resource management not only face to huge amount of data, but also requires a concurrent and high accuracy data. The most popular technology for la...
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Chapter and Conference Paper
Experiment Research on GEO Satellite Orbit Measurement by Using CEI
Measurement of GEO satellite orbit by using passively Connected Element Interferometry (CEI) has obvious advantages in measurement accuracy and optimization of satellite resource utilization, etc. In this pape...
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Chapter and Conference Paper
Validation Technology in Super Power Supply System Design of Telecommunication Satellite
It’s difficult at designing super power system of telecommunication satellite whose power achieves 20 KW at Present. The power system applying PCUNG and super capability Li-Battery can be work stably in the po...
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Chapter and Conference Paper
Blind Separating Method for Remanence Interference in Space Magnetic Signals Measured by Magnetometers
The remanence of the satellite interferes with the spaceborne magnetometers, which leads to the quality degradation of the measured space magnetic signals. In order to reduce the remanence interference in the ...
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Chapter and Conference Paper
High Precision Signal Acquisition System for Magnetoresistive Magnetometer
As a new magnetic field measurement technology, magnetoresistive magnetometer has the absolute advantages in weight, power consumption and size, and plays an irreplaceable role in many fields. Because the data...
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Chapter and Conference Paper
Design of Fast Response High-Voltage Power Supply for the Electrostatic Deflection System in a Low-Energy Particle Spectrometer
A fast response high-voltage power supply for the electrostatic deflection system in a low-energy particle spectrometer is designed. The high-voltage power supply uses high-voltage optocouplers as the core amp...
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Chapter and Conference Paper
GNSS-IR Soil Moisture Inversion Method Based on Random Forest
Soil moisture is a key factor affecting crop growth, and accurate monitoring soil moisture is of great significance for agriculture. GNSS-IR is a low-cost remote sensing technology, using the interference of G...
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Chapter and Conference Paper
Analysis of the Magnetic Field Data During the Vacuum Thermal Test of the Satellite
The magnetometer designed in this paper is an integral part of the satellite plasma and surface charge risk monitor. Its main function is to predict the discharge current by monitoring the change of magnetic ...
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Chapter and Conference Paper
Integrated Monitoring System of Plasma Environment and Surface Charging
In space environment, the charge will be collected on the surface of the spacecraft by the combination of the surrounding space plasma and photoelectric effect, forming a suspension potential different from th...
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Chapter and Conference Paper
Application of Electromagnetic Signal Shielding Processing Technology in Microwave Remote Sensing Satellite
A certain type of microwave remote sensing satellite has wide frequency coverage, coexistence of high-power transmission and high-sensitivity reception, most of the stand-alone equipment on the satellite excee...
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Chapter and Conference Paper
Design a Border Management and Control System Based on BD-3 RDSS
China’s border area has more areas, fewer people, inconvenient traffic and poor communication. Take the China-Russia border in Heilongjiang Province as an example, the border is 2,981 km long, of which the wat...
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Chapter and Conference Paper
Learning Effect of College Students Under SPOC Mode Based on Data Analysis Technology of SPSS Software
Objective: Teaching under SPOC (Small Private Online Course) mode is an organic combination of classroom teaching and online education. This study takes “primary school educational psychology” course as an exa...
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Chapter and Conference Paper
Adaptive Reactionless Control of a Space Snake-Arm Robot for Pre/Post-capture of an Uncooperative Target
This paper focuses on the issues on the space snake-arm robot capturing an uncooperative target. Variations in the inertial parameters of the spacecraft reduce the performance of controller for snake-like robo...
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Chapter and Conference Paper
An Evaluation Model of UAV Autonomous Capability Based on Cloud Model and AHP
In this paper, we propose a new evaluation model for the autonomous capability of ground attack unmanned aerial vehicle (UAV) using cloud model and analytic hierarchy process (AHP). First, a typical scenario o...
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Chapter and Conference Paper
EMC System Control on XX-2 Satellite
Surrounding with the key EMC work emphasis on satellite system, this article mainly introduced the main EMC work content and flow of EMC system control on XXx-2 satellite. The main work includes EMC work plann...
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Chapter and Conference Paper
Adaptive Bipartite Consensus of Linear Multi-agent Systems Under Jointly Connected Topologies
In this paper, bipartite consensus is discussed for multi-agent systems (MASs) under jointly connected switching topologies. An adaptive bipartite consensus protocol is proposed for MASs under jointly connecte...
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Chapter and Conference Paper
Distributed Formation Control and Collision Avoidance for Heterogeneous UAV Swarm
This paper proposes a formation and collision avoidance method for heterogeneous swarm consisting of Unmanned Aerial Vehicles (UAVs) with variable detection abilities. First of all, preliminary knowledge such ...
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Chapter and Conference Paper
Soil Moisture Inversion Based on Dual-Frequency Signal of QZSS GEO Satellite
In recent years, soil moisture retrieval using GNSS reflection signals has become a topic of great concern to scholars. However, most researchers adopt GPS and BDS signals to carry out the related research. Th...
