13 Result(s)
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Chapter and Conference Paper
Distributed Heterogeneous Parallel Computing Framework Based on Component Flow
Single processor has limited computing performance, slow running speed and low efficiency, which is far from being able to complete complex computing tasks, while distributed computing can solve such huge comp...
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Chapter and Conference Paper
Open-Set Recognition of Shortwave Signal Based on Dual-Input Regression Neural Network
Open-set recognition in blind shortwave signal processing is an important issue in modern communication signal processing. This paper presents a novel method for this problem. By preprocessing, the signal data...
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Chapter and Conference Paper
Research on GNSS Time Series Noise Reduction Combining Principal Component Decomposition and Compound Evaluation Index
As a tool of adaptive signal decomposition, SSA can decompose GNSS time series into several SSA components, and select meaningful components to reconstruct, so as to reduce noise. In view of the fact that ther...
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Chapter and Conference Paper
Deployment Location Algorithm of Navigation Base Station Based on GDOP Analysis
Regional navigation (RNAV) is an important backup and enhancement means of satellite navigation. When satellite navigation is restricted by terrain and electromagnetic interference for a specific area, it has ...
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Chapter and Conference Paper
The Research on the Judgment Method for Porcine Abnormal Diet Based on Improved PSO-SVDD
In order to monitor the abnormalities of porcine diet by porcine diet data, the judgment method of a porcine abnormal diet based on improved support vector data description (SVDD) and particle swarm optimizati...
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Article
A Novel Semi-fragile Digital Watermarking Scheme for Scrambled Image Authentication and Restoration
More than ever, the practical and accurate watermarking technologies are called for the growing amount of exchanged digital image over the Internet. To protect the integrity and authenticity of digital image a...
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Article
Congestion control in social-based sensor networks: A social network perspective
Social-based sensor networks are prone to congestion due to the limited storage space on each node and the unpredictable end-to-end delay. In this paper, we aim to develop an efficient congestion control appro...
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Chapter and Conference Paper
Performance Analysis of Real-Time BDS Clock Estimation with Different Orbit Accuracy
Based on un-differenced model of clock estimation, the mathematic model of real-time clock estimation influenced by orbit error is derived, and then the estimation accuracy of BDS real-time clock and real-time...
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Chapter and Conference Paper
An Enhanced Global Positioning Technology and Precision Verification of BDS
Precise point positioning (PPP) technology is a positioning enhancement technique that can cover a large area and reduce the cost of positioning. With the support of real-time precise orbit and clock offset pr...
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Chapter and Conference Paper
Study on Intelligent Setting of Initial Alignment for GNSS/INS Integration
The main purpose of inertial navigation system (INS) alignment is attitude initialization. Alignment precision and alignment time affect the performance of navigation solution directly. Alignment can be static...
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Chapter and Conference Paper
Communication Protocol for Greenhouse Monitoring System Based on Wireless Sensor Network
At present, wireless sensor network (WSN) is mainly used in some applications with a few sensor nodes and poor expansibility, which make it difficult to change the number of nodes in the WSN and the number of ...
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Chapter and Conference Paper
Design and Implementation of GNSS-R Software Receiver Based on FFT
The advantages of software receiver are its flexibility, better performance on system update and algorithm optimization. This paper mainly focused on study a software receiver which could be used in GNSS-R res...
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Chapter and Conference Paper
The Design and Implement of the Cold Spare Parts Simulation Test System
In an GEO ground application system for satellite navigation, there are some hidden trouble for cold spares because of not accessing the system usually. So a power-off test environment is proposed with some of...
