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检索条件"任意字段=3rd International Conference on Signal and Data Processing, ICSDP 2023"

共 2944 条记录，以下是91-100 订阅

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Design of a Rapid Evaluation System Based on Telemetry data 3

Design of a Rapid Evaluation System Based on Telemetry Data

引用

3rd international conference on Communication Technology and Information Technology, ICCTIT 2023

作者： Nie, Yaojia Testing Institute Chinese Flight Test Establishment Xi’an710089 China

ISBN: (纸本)9798350359664

In response to the problem of long preparation time and inability to meet the real-time evaluation requirements of test aircraft after flight when existing evaluation systems use airborne data for data analysis, a rapid evaluation system is designed using telemetry data as a data source to achieve real-time analysis, processing, analysis, and storage of key parameters. After flight, data can be quickly provided to support the evaluation task, Meet the rapid evaluation needs of the testing machine. © 2023 IEEE.

关键词： Real time systems

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Intelligent Bidding Method Based on data OLAP Analysis and Matching Retrieval 3

Intelligent Bidding Method Based on Data OLAP Analysis and M...

引用

2023 IEEE 3rd international conference on data Science and Computer Application, ICDSCA 2023

作者： Dong, Dongting He, Zhanyong Wang, Chenming Feng, Sisi Xie, Ting Ningbo Yongyao Power Investment Group Co. Ltd. Bidding Consulting Branch Ningbo315000 China

ISBN: (纸本)9798350341546

In order to solve the problem that the tenderer lacks the analysis of the cost estimation data, this topic intends to adopt online analysis and processing (OLAP) method. A new cost estimation method is studied. The model is based on the statistics of similar project cost data. An optimized data analysis model is adopted. This method can estimate the project cost more accurately. This method is applied to project bidding and the data processing of the system is carried out. A concrete example is used to evaluate the accuracy of the method. The result shows that the prediction accuracy is high and meets the need of project bidding. © 2023 IEEE.

关键词： Bidding Information data Online Analytical processing (OLAP) Estimation Error Prediction Model Project Cost

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Power Spectrum Estimation of Turbulent Meteorological signals Based on the autoregressive Model 3

Power Spectrum Estimation of Turbulent Meteorological Signal...

引用

3rd international conference on Electronics and Information Technology, EIT 2024

作者： Cui, Luyuan Lu, Shuyuan Ji, Weiwei Wei, Yi Shanghai Aerospace Electronic Technology Institute Shanghai China Shanghai Aerospace Electronic Technology Institute Shanghai China

ISBN: (纸本)9798350369151

This paper explores various spectral estimation methods used in Doppler radar signal processing, specifically for turbulent meteorological signals. The study compares the traditional periodogram method, Pulse Pair processing (PPP) method, and two autoregressive (AR) models: Yule-Walker and Burg methods. These methods are evaluated based on their ability to estimate Doppler velocity and spectral width under different signal-to-noise ratios (SNR) and sampling points. Simulation results show that the AR-Yule-Walker method provides the most accurate and robust performance, especially under low SNR conditions. The Burg method, while effective, shows higher estimation errors in spectral width compared to Yule-Walker. This research highlights the importance of selecting appropriate estimation methods to enhance the accuracy of meteorological observations, particularly when data availability is limited or under noisy conditions. The findings contribute to improving Doppler radar applications in meteorology, such as wind field measurement and weather forecasting. © 2024 IEEE.

关键词： signal to noise ratio

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A Novel Estimation Method in FDA-MIMO Radar Using Matrix Pencil Method 3

A Novel Estimation Method in FDA-MIMO Radar Using Matrix Pen...

引用

3rd international conference on Frontiers of Electronics, Information and Computation Technologies, ICFEICT 2023

作者： Liu, Feilong Zhu, Shengqi Xu, Jingwei Li, Ximin Wang, Yanxing Chen, Zhuochen Xidian University National Key Laboratory of Radar Signal Processing Xi'an Shannxi China

ISBN: (纸本)9798350302356

There has been a surge of interest in the research of frequency diverse array (FDA) radar across various radar-related fields. However, the current parameter estimation algorithms for FDA-MIMO radar demand a significant number of samples to estimate the covariance matrix. In this paper, a novel range and angle estimation with FDA-MIMO radar via matrix pencil method is proposed. Firstly, an augmented matrix is constructed by using the covariance matrix of received data obtained from a small sample. Secondly, the angle and range estimation for subject of interest through singular value decomposition and subspace theory. Finally, the simulation results indicate that the proposed algorithm presented in this paper exhibits superior performance in terms of estimation accuracy compared to the existing methods, especially when the signal-to-noise ratio is low and the number of snapshots is limited. © 2023 IEEE.

关键词： Singular value decomposition

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A Radar signal Sorting Algorithm Based on Improved FastICA 3

A Radar Signal Sorting Algorithm Based on Improved FastICA

引用

3rd IEEE international conference on Information Technology, Big data and Artificial Intelligence, ICIBA 2023

作者： He, Yonghua Sang, Xin Li, Yonggang University of Aerospace Engineering Department of Electlonic and Optical Engineering Beijing China

ISBN: (纸本)9781665490788

The FastICA algorithm is a novel iterative algorithm, also known as the fixed-point algorithm, proposed by Hyvrinen et al, at the University of Helsinki, Finland, unlike conventional neural network algorithms, FastICA uses a batch processing algorithm and requires larger data per iteration. In terms of both distribution and parallelism, the algorithm is still an artificial neural network-based algorithm. fastICA algorithms can be classified into three types: steepness, likelihood maxima, and negative entropy maxima. In this thesis, based on the FastICA algorithm based on negative entropy maximum, the algorithm has faster convergence speed and stronger robustness by introducing Newton iteration algorithm. © 2023 IEEE.

关键词： Neural networks

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Automatic recognition of GPR localized targets images using C3 algorithm 3

Automatic recognition of GPR localized targets images using ...

引用

3rd IEEE international Maghreb Meeting of the conference on Sciences and Techniques of Automatic Control and Computer Engineering, MI-STA 2023

作者： Ammar, Abdussalam Masaud Youssef Ellafi, Amira Elkhatalli, Said Faculty of Electronic Technology Tripoli Libya Faculty of Electronic Technology BaniWalid Libya

ISBN: (纸本)9798350319897

A near-surface geophysical technique with several uses is ground penetrating radar, often known as GPR, ground probing radar, or georadar. GPR has been utilized effectively over the past 30 years to aid with limiting issues in various domains, including environmental site characterization, archaeology, glaciology, etc. The electromagnetic signal produced by the GPR, a Non Destructive Testing (NDT) method, penetrates the subsurface and measures the amplitude and duration of the signal that is reflected back. GPR data may be used to create high-resolution cross-sections of the scanned material. After pre-processing the input GPR images, a special thresholding approach is employed to separate the regions of interest from background. The next step is to utilize a column connection clustering (C3) approach to divide the areas of interest from one another. © 2023 IEEE.

关键词： Ground penetrating radar systems

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Decentralized Operator Screening Scheme for Near-data processing Models Based on Precedence Relationships 3

Decentralized Operator Screening Scheme for Near-Data Proces...

引用

3rd international conference on Electronics and Information Technology, EIT 2024

作者： Huang, Pengteng He, Yantao Chen, Guanyu Nie, Jun Guangdong University of Science and Technology Department of Computer Science Guangdong Dongguan China

ISBN: (纸本)9798350369151

This paper addresses the issue of data transmission bottlenecks in traditional database management systems when handling large-scale data. It proposes a filtering scheme for operators under the near-data processing model, based on precedence relations. This scheme conducts an in-depth analysis of the precedence relations in the execution sequence of database operators to identify which ones are more suitable for delegation to intelligent storage devices, thereby reducing unnecessary data migration. The research indicates that this strategy can effectively prevent reverse data transmission and significantly reduce the volume of data transmitted on the bus. This results in a substantial improvement in system processing efficiency and a reduction in energy consumption. Experimental verification demonstrates that the filtering scheme based on precedence relations is significantly superior to the traditional filtering method that relies solely on the ratio of input/output data volume. This provides strong support for the development of more efficient database management systems. © 2024 IEEE.

关键词： data transfer

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Optimized Dispatching of Integrated Energy System Based on Cyber-Physical-Social System Under the Influence of Electricity Price 3

Optimized Dispatching of Integrated Energy System Based on C...

引用

3rd international signal processing, Communications and Engineering Management conference, ISPCEM 2023

作者： Li, Jiayin Yu, Yuan Zhang, Zhen Wang, Donglai Zhao, Yan Shenyang Institute of Engineering Key Laboratory of Regional Multi- Energy System Integration and Control of Liaoning Province Shenyang China College of International Education Shenyang Institute of Engineering Shenyang China

ISBN: (纸本)9798350307023

The development and integration of information technology will make the data of the integrated energy system more real-time and transparent, which will help improve the demand-side management of Integrated Energy Systems (IES). For the demand side of IES, the Cyber-Physical-Social System (CPSS) architecture is constructed and analyzed. An interactive energy management method of CPSS is presented to cover supply-demand interaction and real-virtual interaction. Aiming at the social attributes of power users, the demand-side guidance control strategy mediated by network guidance information is proposed. The impact of the difference in electricity price on the consumption psychology of the users is considered. Simulations of the model are conducted. The results show that the CPSS architecture proposed in this paper can effectively improve the economic benefits of the integrated energy system and make power users actively participate in the CPSS integrated energy system. © 2023 IEEE.

关键词： Real time systems

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Research on Network Security Intrusion Detection Based on Devnet 24

Research on Network Security Intrusion Detection Based on De...

引用

3rd international conference on signal processing, Computer Networks and Communications, SPCNC 2024

作者： Zheng, Hao Sun, Dongxu Han, Xiao Zhang, Xiaohua Zhao, Yan Co. Ltd. Hebei Shijiazhuang China Guodian Hefeng Wind Power Development Co. Ltd. Liaoning Shenyang China School of Artificial Intelligence and Data Science Hebei University of Technology Tianjin China

ISBN: (纸本)9798400710834

With the promotion of industrial 4.0 and intelligent manufacturing, the network security of industrial control system becomes particularly important. In the face of new network attacks, the traditional intrusion detection system (IDS) has been difficult to meet the protection requirements, so it is particularly urgent to research and develop efficient network security detection technology. In this study, an intrusion detection method of industrial control system based on DevNet network is proposed, which uses deep convolution neural network architecture to detect events and locate evidence by analyzing the characteristics of key frames, which significantly improves the performance of multimedia event detection. This method optimizes the anomaly score through end-to-end learning, makes effective use of the limited marked abnormal data, and enhances the accuracy and real-time performance of detection. The research first examines the challenges of network security in industrial control systems, and then describes the DevNet framework and its core algorithms, including exception score learner, normal a priori and Z-Score deviation loss function. Through the experimental evaluation of multiple data sets, DevNet performs well in key evaluation indicators such as AUC-ROC and AUC-PR, especially in dealing with large-scale network traffic and defending against zero-day attacks. The interpretability of DevNet provides strong support for security analysis and enhances the credibility of the model prediction. This research not only enhances the protection of network security, but also promotes technological innovation, and provides new ideas for the field of network security. With the increase of IIoT equipment, DevNet is expected to become the key technology to protect the safety of industrial control system. The results of this research are of great significance in theory, and show broad prospects in practical application, and contribute to the progress of network security. ©

关键词： Network intrusion

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Research on underwater acoustic weak signal detection method based on multi-resolution analysis 3

Research on underwater acoustic weak signal detection method...

引用

3rd IEEE international conference on Electronic Technology, Communication and Information, ICETCI 2023

作者： Wu, Ji Long, Jun Wang, Zixin Dalian Institute of Measurement and Control Technology Liaoning Dalian116013 China

ISBN: (纸本)9798350398410

In order to solve the problem of detecting weak underwater acoustic signals under complex sea conditions, the theory of multiple precision analysis (MRA) is used to deal with the weak surface acoustic interference caused by laser detected underwater acoustic signals. The results show that the sensitivity of acoustic signal features extracted by MRA is better than that of traditional FFT. In the MRA processing method, the feature is divided into two parts: high pass feature reflecting the fine structure of the target and low pass feature reflecting the contour of the target. The experimental results also show that the theory is very suitable for weak signal detection. © 2023 IEEE.

关键词： Fast Fourier transforms

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