Search all articles

+ Advanced search
Search articles within:
186582 articles
Proceedings Article

A Choice of Lower Complexity for Two Filtering Operations Based on F-OFDM

Xianru Li, Wei Huang, Yixin Zhao
This paper introduces a choice of lower complexity for two different filtering operations based on Filtered OFDM (F-OFDM). The first filtering operation is implemented by linear convolution in time domain, and the second one is realized by multiplication in frequency domain (fast convolution). They are...
Proceedings Article

Star image identification uninfluenced by rotation

Di Jiang, Ke Zhang, Meibo Lv
All-sky autonomous star map identification has come up with higher requirement on calculating speed and storage space. Error caused by rotation and location noise influences the performance of star image identification algorithms. So various algorithms include procedure of rotating star image to the...
Proceedings Article

Credit Risk Evaluation Using ES Based SVM-MK

Liwei Wei, Ying Zhang, Mochen Liu, Qiang Xiao
Under the background of big data recent studies have revealed that emerging modern machine learning techniques are advantageous to statistical models for credit risk evaluation, such as SVM. In this study, we discuss the applications of the evolution strategies based support vector machine with mixture...
Proceedings Article

A wireless sensor network location approach based on the characteristics of electromagnetic wave symmetry

Chunming Wen, Chaoqun Zhang, Wei Zhou, Huajuan Huang, Jing Yang, Xiao Qin
Positioning plays an important role in wireless sensor networks. As a low-cost and low-power location approach, the RSSI (Received Signal Strength Indication) algorithm is widely used in wireless sensor networks location. However, the RSSI value is usually affected by environment conditions, easily leading...
Proceedings Article

Application of Improved Empirical Mode Decomposition in Defect Detection Using Vibro-Ultrasonic Modulation Excitation-Fiber Bragg Grating Sensing

Xiao Huang, Yuegang Tan, Li Cai
The advantage of nonlinear ultrasonic method in micro defect detection has been widely recognized. It has higher sensitivity than linear ultrasonic. Vibro-ultrasonic modulation(VUM) method was adopted in the paper, and fiber Bragg grating(FBG) was used to sense nonlinear signal instead of piezoelectric...
Proceedings Article

Design Circuit for the single-lens high-definition imaging system

Xiang Ren, Yule Huang, Chijun Li, Kai Yang, Jiebin Zou, Jiayong Kong, Jing Cai
We proposed a method to resolve the problem of optical system defocus phenomenon by using the chromatic aberration of the single lens optical imaging system through reverse thinking. Furthermore, we designed and built the production which use SDRAM to collect data for CMOS image information literacy...
Proceedings Article

A High-Definition Imaging System Utilizing Single Lens And Double Monochromatic Light Sources

Yule Huang, Xiang Ren, Mengchan Luo, Chijun Li, Kai Yang, Jiebin Zou, Jiayong Kong, Peiying Liang, Hui Cao
With reverse thinking, based on the phenomenon of chromatic dispersion, double monochromatic light sources scheme was used to solve the phenomenon of defocus in large-depth-field single lens digital imaging system. Two specific narrow bandpass filter was employed to filter the LEDs into two monochromatic...
Proceedings Article

Multi-software-hybrid-programming digital image processing for high definition single lens digital imaging system

Chijun Li, Xiang Ren, Yule Huang, Kai Yang, Peiying Liang, Hui Cao
We designed a multi-software-hybrid-programming digital image processing software for high definition single lens digital imaging system. In this digital image processing software system, LabVIEW ,MATLAB,Quartus ii and C++ are all employed to call DLL library to invoke the CMOS, read data, process image...
Proceedings Article

Binary imaging medium single lens imaging system

Kai Yang, Jiebin Zou, Jiayong Kong, Hui Cao
Photography is becoming more and more common in civil and military, and it also occupies an important position. Macro photography due to the shallow depth of field (a clear picture of small range).
Proceedings Article

Design of Intelligent Temperature and Humidity Controller for Tobacco Bulk Curing Barn

Fengzhong Hu, Jinding Gao, Tianxiao Li
Aimed at the temperature and humidity nonlinear variation and coupling phenomena in tobacco bulk curing barn, an intelligent temperature and humidity controller is proposed. The controller using a microcomputer and fuzzy decoupling control technique can meet the requirements of temperature and humidity...
Proceedings Article

Wind Tunnel Flow Induced Vibration Characteristic Analysis

Zongzheng Liu, Yan Shi, Zhenhua Chen, Xiqiang Yan, Yisheng Yang
Analysis of wind tunnel flow induced vibration characteristic is to understand the high-speed airflow caused mechanism of flow induced vibration, take appropriate to restrain vibration reducing body piercing vibration circuit. This paper introduces the characteristics of flow induced vibration source,...
Proceedings Article

The Research on One Feasible Test Strategy for Temperature Rising Limits of Low-Voltage Metering Cabinets

Hua Shen, Sheng Chen, Penghe Zhang, Feng Wang, Haohan Zhen
The consumption of electric power is increasing with the continuous development of China's economy. The temperature rising limits testing is the important performance for low-voltage metering cabinets and circuit breakers. The strategy for temperature rising testing usually had many questions such as...
Proceedings Article

The Reliability Model on the Burned Failure of Molded Case Circuit

Yang Xue, Yangchun Cheng, Penghe Zhang, Yinghui Xu, Baoliang Zhang, Dezhi Xiong, Zhengzhou Dou, Wenwen Li
Low voltage molded case circuit breaker is widely used in the low voltage distribution system of customers. Along with the revolution of the electric power grid, Low voltage molded case circuit breaker in resident house takes more important intelligent function except of its traditional function. In...
Proceedings Article

Design of portable near-infrared spectrum analyzer based on ARM-Linux

Saifu Deng, Shuangbao Wang, Linyue Wang
Traditional near-infrared spectrum analyzer need to be operated in assistant of PC, therefore, they are usual expensive and larger size. Here a portable near-infrared spectrum analyzer based on ARM-Linux was designed to accelerate the process of measurement automation. The measurement setup was composed...
Proceedings Article

Multi-agent-based Cooperative Control for Hybrid Renewable Energy Generation System

Qiang Wang, Jun Chen
A multi-agent-based cooperative control strategy (MACCS) is proposed for hybrid renewable energy generation system with large-scale wind–photovoltaic energy storage units (WPSUs). The proposed system adopts the negotiation model of the contract net protocol with the non-fixed client–server cooperative...
Proceedings Article

A Novel Particle Swarm Algorithm Based Multi-agent for Coordinated Volt/Var Optimization

Qiang Wang, Jun Chen
Coordinated volt/var optimization is fundamental to power dispatch and stability of power system, a novel particle swarm algorithm based multi-agent(MAPSO) is presented. The algorithm combines particle swarm optimization algorithm(PSO) with multi-agent system(MAS). The PSO-MAS utilize an agent as a particle...
Proceedings Article

Aerial target recognition based on Zernike moments of information fusion

Tai Fu, Xiangyi Sun, Dan Fu
Based on OpenGL and Google library we established the target model library and the canny operator is used for edge detection. Combined with D-S evidence theory and Pseudo-Zernike moments, the air target recognition algorithm based on information fusion is proposed. Pseudo-Zernike moments are invariant...
Proceedings Article

Signal Analysis of a Three Axis Aircraft Stabilized Platform

Tailong Jing, Shengli Qu, Haibing Wang, Dong Wei
When an aircraft is on a steady flight, there exists a series of jamming signals, which are detected and recorded by the airborne equipment. By analyzing those signals, the design of a stable platform controller of the aircraft in feed-forward form will be improved. During the analysis of stable flight...
Proceedings Article

Design of the Motion Control System for a Long Endurance AUV

Jian Cao, Shiqi Zhao, Lei Zhang, Jiayuan Zhuang, Xiaosheng Bi
The long endurance Autonomous Underwater Vehicle (AUV) could finish autonomous mission process without any human aids in a long time. As an artificial intelligence system, AUV has high independence, reliability and adaptability to ocean environment. An efficient architecture of AUV plays an important...
Proceedings Article

Quality Prediction Model Based on Variable-Learning-Rate Neural Networks in Tobacco Redrying Process

Jiankang Yin, Changhua Chen
This paper presents an innovative method with the variable-learning-rate-based back propagation neural network (BPNN) for establishing a quality prediction model of tobacco redrying process. First, characteristics of the process and correlation of the process variables are analyzed, and eight input parameters...
Proceedings Article

Hilbert Type Inequality for Finite Series

Baoju Sun
In this paper, by using Cauchy inequality, monotonicity of functions, Hilbert type inequality with finite series version is established.
Proceedings Article

A Compensation Algorithnm For Zero Drifting Error of MEMS Gyroscope

Jin Du, Jie Li
The undesirable accuracy of MEMS sensor limits the range of its application. The compensating method for MEMS gyroscope random drift error is discussed. According to actual test data of gyroscope, the equation of fitting curve was deduced and compensating effect of different kinds of fitting methods...
Proceedings Article

Study of Naval Ship Target Detection Probability of Skywave Radar based on Simplified Signal Processing Model

Shihua Liu, Jiantao Xiang
The suppression ability of sea clutter suppression methods based on AR model, phase space reconstruction and are analyzed. The simulation analysis method of naval ship target detection performance based on sea clutter simulation data - sea clutter suppression method – simplified signal processing] model...
Proceedings Article

Object Integrated Recognition of X Band Ground-based Multi-function Radar Based on GRG

Shihua Liu, Lei Zhang
According to the integrated recognition problem of the object recognition in the X band ground-based multi-function radar, an object integrated recognition scheme based on GRG is presented. In this method, the multi-factor statistics and analysis method in the radar effectiveness evaluation. This method...
Proceedings Article

Methods for Measuring and Compensating Ball Screw Error on Multi-mode Industrial CT Scanning Platform

Yujie Zhang, Shangfeng Pan, Jian Deng
Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the...
Proceedings Article

Workload Balancing in Parallel Machines based on Semi-matching Theory

Yong Zhan
This paper addresses the problem of scheduling jobs on parallel machines with machine eligibility restrictions so as to balance the workload among machines. A weighted bipartite graph model G=[J M,E,W] is used to formulate the studied problem. We propose a two-phase algorithm to find the optimal solution....
Proceedings Article

A Summary of Content-Based Image Retrieval Methods

Zhongmin Li, Haochen Wu
This paper mainly focuses on the content-based image search system. First introduces the research status of CBIR in China and abroad, and then proposes and illustrates two key problems affecting the accuracy of the system, summarizes commonly used methods to solve these two problems.
Proceedings Article

A Weighted Filtering Algorithm Based on Virtual Center Of Sub-window

Dehai Shen, Jian Hou, E Xu, Longchang Zhang, Qi Yan
In order to remove the mixed noise in an image, proposed a new weighted filtering algorithm. The algorithm used 5x5 filtering window, divided the window into sixteen 2x2 sub-windows, took these median pixel of every sub-window as their virtual center, then calculated the weights of these virtual center...
Proceedings Article

The modal analysis of crack fault gear based on FEM

Ye Sun, Xiao Feng, Fenglong Yin, Silin Chen, Dan Yang
The finite element analysis model of the crack fault gear with different crack depth is established by the modeling method, and the modal analysis is carried out by the finite element analysis method. In the modal analysis, the results show that the crack will have a certain effect on the stiffness of...
Proceedings Article

Image-based Fast 3D Reconstruction

Jianjun Xia, Fei Wang, Xiaocui Zheng
Image-based 3D reconstruction has many applications, but the reconstruction process is really time-consuming. In this paper, we have discussed several existing methods which can speed up the reconstruction, but many of them have their own limitations. After the analysis of image-based 3D reconstruction...
Proceedings Article

Design and Test of Grain Moisture Online Measuring System Based on Floating Ground Capacitance

Zhiwei Mai, Changyou Li, Biying Wang
A new type of capacitive grain moisture on line measuring device was designed based on the measuring principle of non-contact parallel plate floating capacitor, which was suitable to continuous dryer under severe environment. The static batching measurement was used to improve the repeated accuracy of...
Proceedings Article

Coordinated control of H Bridge Power Conversion System for Photovoltaic integration

Jian Sun, Qiang Wang
According to the requirement of grid connected photovoltaic power station and analysis of the topology structure and features of H bridge power conversion system(HB-PCS), a coordinated control method was presented in this paper. The method set current reference of HB-PCS to compensate reactive and active...
Proceedings Article

Optimization design of downsize engine structure based on dynamic knock excitation

Bo Yang, Wenrui Wang, Zhiyong Li
The small size of the city vehicle gasoline engine is the key point of the current energy saving and emission reduction. The application of multi stage turbocharger technology has become a research hotspot, which leads to a higher compression ratio, the average effective pressure in the combustion chamber...
Proceedings Article

Performance Analysis of Built-in Load Switch in Intelligent Electric Meters

Li Ding, Li Li, Fan Li, Wenjia Cai
It is found that some operating faults of the intelligent electric meters are caused by the performance of the built-in load switches. In order to determine the characteristics of the built-in load switches, the performance of the switches are tested and analyzed. The factors, including the complicate...
Proceedings Article

Research on Zero-crossing Operation Scheme of Single-phase Fee Control Smart Meter

Wenwen Li, Ruiming Yuan, Zhengzhou Du, Guanna Lu, Dezhi Xiong, Zhenyu Jiang, Yanguo Lv
Arc ablation is directly related to the arc energy, which is proportional to the arc current and arc voltage. Existing fee control scheme of smart meter is that when power consumers delay the payment of electrical bills, the load switches trip; and when power consumers recharge successfully, the load...
Proceedings Article

Research on the Degree of Confidence of the Commodity Based on Fuzzy Comprehensive Evaluation

Mingshan Xie, Yanfang Deng
In order to enhance the accuracy of precision marketing of goods and improve the precision of the intelligent search engine, we build the confidence model of commodity by means of using the fuzzy comprehensive evaluation method, to calculate the commercial confidence, which can be used as the foundation...
Proceedings Article

Home damage estimation after disasters using crowdsourcing ideas and Convolutional Neural Networks

Zhanghua Li, Kun Tian, Fushan Wang, Xiaocui Zheng, Fei Wang
Recently, natural disasters like earthquake, flooding, and landslides evoke our intensive awareness. The first priority to be concerned is the home status left by people, because from which can we largely estimate the damage level of the catastrophe and manage the rescue action better. However, to investigate...
Proceedings Article

3D Magnetostatic Field Computation Based on Hybrid Mesh Integral Equation Method

Wubing Zhu, Wenchun Zhao, Jinwu Zhuang, Shengdao Liu
Accurate magnetostatic field computation for complex 3D ferromagnetic objects can be widely used to solve various engineering problems, while mesh quality is a key factor that can greatly affect the calculation precision. For complex shaped 3D objects, their mesh quality can be improved greatly by using...
Proceedings Article

Process and Quality Control of Load Switch (External Circuit Breaker) for Electricity Meters

Baoliang Zhang, Yang Xue, Penghe Zhang, Yinghui Xu, Fuli Yang, Zhengzhou Dou, Dezhi Xiong
At present, the national grid invested heavily to carry out the construction of smart grid. As a key component of smart grid construction, electricity meter is developed gradually from the traditional intelligent electric energy meter, which is an important intelligent terminal in the smart grid. The...
Proceedings Article

Embedded Voice Announcement Ultrasonic Distance Meter and University Lab Teaching Reformation

Yu Zhang, Xinyu Jin, Huizhong Li
A voice announcement ultrasonic distance meter with temperature compensation based on embedded MCU has been designed. This distance meter project has been introduced into the electronic design lab course teaching in Zhejiang University. Some teaching method reformation measures have been taken, which...
Proceedings Article

Research on Evaluation Emulsify Ability for Polyphenols in Vegetable Oils

Liqin Jiang
The emulsification properties and emulsion stability of polyphenols on vegetable oils were investigated. Vegetable oil is always processed into foods existing as emulsions. In this study the author used edible oil-in-water emulsions stabilized by soya protein isolate (SPI) to investigate the differences...
Proceedings Article

Immobilization of lactase on modified magnetic chitosan microspheres

Qian Fang, Shujuan Jiang, Yang Yang, Yanfeng Tuo, Guangqing Mu
The immobilization of lactase is a more attractive approach to overcome the disadvantage of the free lactase. In the presented work magnetic Fe304 fluid was synthesized by chemical coprecipitation and its surface was modified with sodium oleate. Then the liquid paraffin was used as dispersant and glutaraldehyde...

(paper withdrawn) Signaling Theory Embedded in the Throughput Model to Examine the Governance of How External Auditors Rely on Internal Audit Function

Waymond Rodgers, Ibrahim Albawwat
This study examines the governance of how external auditors (EAs) rely on internal audit function (IAF) from a new perspective. We use Signaling Theory embedded in a Throughput Model to trace the sub-processes of different stages of the reliance decision. We consider the last revision made to the International...

The Analysis of Indicators of Long-Term Prosperity Companies from Automotive Based on Predictive Finance Indicators

Hana Scholleová
Automotive industry in the Czech Republic is important and highly monitored. The reason for this is mainly the fact that the automotive industry contributes significantly to the formation of GDP, according to Ministry of Industry and Trade (MIT, 2015) 15% long-term profit is made in the automotive sector....

The Use of the Square of Opposition in Accountant's Professional Judgement

Viatcheslav Y. Sokolov
This paper reviews the possibility of using the methods of formal logic in the professional judgements taken by accountants, and in accounting regulations as a special type of professional judgements made on behalf of the entire accounting community. It contemplates the possibility and the process of...

Financial Performance of Czech Sugar Refineries: Case Study Testing the Post-Crisis Period 2010-2013

Jiří Strouhal, Petra Štamfestová
The main purpose of this paper is to evaluate and compare a financial performance of Czech sugar refineries within a period 2010-2013. Due to the availability of financial statements for the requested periods were analysed following public limited companies - Cukrovar Vrb tky, Tereos TTD, Litovelsk ...

Accounting Fraud and Accounting Standards: The Case of Toshiba's Fraudulent Accounting

Daisuke Suzuki, Junpei Yamada
This study addresses the case of Toshiba's fraudulent accounting in 2015 and examines its implications for setting accounting standards while considering the linkage between theory and practice. If this case is not an isolated case, then what is the problem with the existing accounting standards? The...

Perception of Management Accounting and Controlling by Polish Authors in Publications in 1990-2016

Anna Szychta, Justyna Dobroszek
Accounting addressed to support the management has been developed in enterprises in Poland on a wider scale since the 1990s, i.e. since the restoration of the market-based economic system after a half-a-century break. The paper aims to identify the perception of the nature and scope of management accounting...

Application of Benford's Law for Fraud Detection in Financial Statements: Theoretical Review

Mihkel Tammaru, Lehte Alver
External auditors' ability to detect profit manipulations in the financial statements is limited. Non conformity with Benford's law gives indication of the risk that a data set contains fraud, but it does not give information which items are manipulated. Knowing profit and other financial targets set...

Conception and Periodisation of Fraud Models: Theoretical Review

Maria Vassiljev, Lehte Alver
The issue of fraud is topical in every country and for every type of organization, regardless of the continent or the part of the world. Getting involved into a fraud scandal, the future reputation becomes doubtful from the potential investors' and customers' point of view. Many authors have discussed...