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Chapter and Conference Paper
EMD De-Noising Theory Considering Static and Dynamic Conditions and Its Applications in INS
De-noising IMU data is an important approach to improve the accuracy of INS. Wavelet threshold de-noising has many limitations under certain conditions, especially in processing inertial sensor errors. Based o...
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Chapter and Conference Paper
An Improved Algorithm for Single Point Positioning of COMPASS
The BeiDou (COMPASS) Navigation Satellite System has been able to provide service for areas in China and its surrounding areas. However, due to the limited number of satellites and the low accuracy, its applic...
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Chapter and Conference Paper
Refining of BDS Differential Code Bias Model
The differential code bias (DCB) in Global Navigation Satellite System (GNSS) satellites should be precisely determined using real ground GNSS data when designing certain applications, such as precise position...
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Chapter and Conference Paper
INS-Aided Single-Frequency Cycle-Slip Detection for Real-Time Kinematic GNSS
GNSS ambiguity fixed solution can greatly improve the accuracy of GNSS/INS integrated system. But it is difficult to achieve perfect real-time dynamic single frequency cycle-slip detection merely by GNSS obser...
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Article
The preparation of high purity MgO and precision separation mechanism of Mg and Ca from dolomite
High purity MgO is widely used in various fields as an important magnesium compound. The separation of Mg and Ca is of great importance for the preparation of high purity MgO from dolomite. In this study, the ...
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Chapter and Conference Paper
Feasibility Analysis of Pipeline In-Situ Break-and-Replace Method
At present, the more popular trenchless pipeline repair technology mainly adopts the method of strengthening the inner wall. However, in the case of serious pipeline damage or need to increase the water capaci...
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Chapter and Conference Paper
Analysis of Construction Technology and Soil Settlement Law for In-Situ Break-and-Replace of Pipelines
In order to solve the problem of renewing the whole structure of the old pipeline, this paper proposes a new construction method for mechanized non-excavation pipelines in-situ break-and-replace method (PBR). ...
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Article
Open AccessDifferent channels to transmit information in scattering media
A communication channel should be built to transmit information from one place to another. Imaging is 2 or higher dimensional information communication. Conventionally, an imaging channel comprises a lens with...
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Article
Asymptotic Estimations of Eigenvalues and Eigenfunctions for Nonlocal Boundary Value Problems with Eigenparameter-Dependent Boundary Conditions
The nonlocal boundary value problem with eigenparameter dependent boundary conditions is studied in this work. Firstly, we give the asymptotic expressions of the general solution for the equation corresponding...
