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Research on sound intensity probe whose frequency band can be adjusted 频段可调声强探头的研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023431
Xiaolan Zhao, Huailin Ruan, Jiren Xu, Jiasong Cheng, Jihai Niu
{"title":"Research on sound intensity probe whose frequency band can be adjusted","authors":"Xiaolan Zhao, Huailin Ruan, Jiren Xu, Jiasong Cheng, Jihai Niu","doi":"10.1109/EMEIT.2011.6023431","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023431","url":null,"abstract":"The distance of microphones in sound intensity probe have great relations with effective sound frequency band measured during measuring sound intensity,. To adapt different measured frequencies, the position of every microphone in sound intensity probe should be adjusted. On the basis of discussing the theory of measuring sound intensity with four microphones from three dimensions, using the theory about keeping place of brace framework and parallelogram, we designed a new 3D sound intensity probe including four microphones. Because space among different microphones in sound intensity probe can be adjusted, it can choose appropriate measurement bandwidth according to the range of sound frequencies measured actually. 3D sound intensity probe with four microphones, whose measurement frequency can de adjusted, retained original advantages of 3D sound intensity probe, and overcome the shortcomings of measuring fixed bandwidth.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122692963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An exchange rate forecasting method based on probabilistic neural network 基于概率神经网络的汇率预测方法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023749
Hua Wang, B. Liu, Xiang Cheng, Xuan Xiao
{"title":"An exchange rate forecasting method based on probabilistic neural network","authors":"Hua Wang, B. Liu, Xiang Cheng, Xuan Xiao","doi":"10.1109/EMEIT.2011.6023749","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023749","url":null,"abstract":"Probabilistic neural network architecture is the most important features of real-time network training, the probabilistic neural network system suitable for use in real-time. Probabilistic neural networks and decision-making side of the scope of the problem size can be based on different needs to be adjusted, making surface can approximate Bayesian decision-making. Probabilistic neural network and noise tolerance for error is high. In the sparse sample space, the smoothing parameter based on the needs of the problem, adjust the parameters of any size, without the need for re-training.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115668589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Measuring system for mobile robot based on multiple sensors 基于多传感器的移动机器人测量系统
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023259
Yong Qin, Jing-chen Hou, Lijie Wang
{"title":"Measuring system for mobile robot based on multiple sensors","authors":"Yong Qin, Jing-chen Hou, Lijie Wang","doi":"10.1109/EMEIT.2011.6023259","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023259","url":null,"abstract":"A distance measuring system based ultrasonic sensors and infrared sensors was presented. It can real-time handle sensor information. And through date fusion, the obstacles in the environment can be detected. This can be used to model the environment for mobile robot's path planning and other tasks. Experiment was shown that the system can be complementary in function of multi-sensor, while providing more accurate distance information.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127468404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Study on wetting model with combined level Set-VOF method when drop impact onto a dry surface 结合水平集- vof法研究液滴撞击干燥表面时的润湿模型
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023626
Y. Song, Chun-hai Wang, Z. Ning
{"title":"Study on wetting model with combined level Set-VOF method when drop impact onto a dry surface","authors":"Y. Song, Chun-hai Wang, Z. Ning","doi":"10.1109/EMEIT.2011.6023626","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023626","url":null,"abstract":"This paper presents numerical simulation of a single drop impact onto a dry surface using combined Level Set-VOF method and a precise wetting model. This wetting model was base on the dynamic contact angle when drop spreading on the surface, which is a function of the instantaneous contact line velocity. The singularity at the moving contact line was analyzed and was removed by the wetting model. It is emphasized that the contact line velocity can not be approximated by the velocity of any material point, even when the point is very close to the contact line. This paper precisely captured the contact point and the contact line velocity. The wetting model with combined Level Set-VOF method was used to simulate the spreading of drops impacting a dry surface in low Weber number. The dimensionless spreading radius, the dimensionless height of drop and the drop shapes were compared with the experimental data. The numerical results agree well with the experimental data.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125696816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Web caching system research and implementation of cluster Web缓存系统集群的研究与实现
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023144
Xincan Fan
{"title":"Web caching system research and implementation of cluster","authors":"Xincan Fan","doi":"10.1109/EMEIT.2011.6023144","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023144","url":null,"abstract":"In this paper, how to cluster technology combined with the Web cache, the number of Web cache server to build a high-performance, scalable cluster system model, to solve a single Web cache server node failure problems and improve the data parallel processing capabilities. System, each module uses superior algorithms to achieve and a good mechanism through which testing proved that under high load in the Web, the performance is more excellent.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114898767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Discuss the modeling technique of 3D animated characters under three-dimensional visual angle 探讨三维视角下的三维动画人物造型技术
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023631
Manyu Zhang, Weimin Zhao
{"title":"Discuss the modeling technique of 3D animated characters under three-dimensional visual angle","authors":"Manyu Zhang, Weimin Zhao","doi":"10.1109/EMEIT.2011.6023631","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023631","url":null,"abstract":"The Study of modeling technique aims to acquire a more feasible and effective method of making three-dimensional animations. The paper presents an idea about that to simplify any complex object by analyzing structural characteristics of different role models, and according to various model structures to select appropriate methods to model three-dimensional animated characters.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114586819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The wear analysis for cam mechanism of diesel fuel injection pump based on multibody dynamics theories 基于多体动力学理论的柴油机喷油泵凸轮机构磨损分析
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023283
Xinying Wu, Guangyao Ouyang, D. Tan
{"title":"The wear analysis for cam mechanism of diesel fuel injection pump based on multibody dynamics theories","authors":"Xinying Wu, Guangyao Ouyang, D. Tan","doi":"10.1109/EMEIT.2011.6023283","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023283","url":null,"abstract":"The wear problems are the serious problems that influence the operating performance and life of fuel injection pump. In this paper, the wear mechanism is researched by wear analysis and the kinematics and dynamics analysis of the cam mechanism. According to the wear simulation results of the cam-roller, the location and the value of the max contact stress are gained. And these can use to optimize the structure of cam and roller.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124425772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Qt programming to realize teaching simulation demonstration of exploration seismology Qt编程实现勘探地震学教学模拟演示
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023402
Qunhao Jin, Zichao Yan, X. Liu, Shuchao Ma, Taiyu Guo, S. Tong
{"title":"Qt programming to realize teaching simulation demonstration of exploration seismology","authors":"Qunhao Jin, Zichao Yan, X. Liu, Shuchao Ma, Taiyu Guo, S. Tong","doi":"10.1109/EMEIT.2011.6023402","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023402","url":null,"abstract":"Exploration Seismology is a basic and important specialized subject of Geophysics in college. It's too hard to remember and understand so many concepts, processes and principles for students. And for teacher, the difficulties are how to explain these profound theories vividly in simple language. Based on this actual requirement, we developed the teaching simulation and demonstration software called OpenSE with Qt. As a GUI tool, it owns a powerful graphics library and cross-platform features that make “write once, compile anywhere” come true, so Qt becomes our preferred language to develop this set of software. Through our efforts, we complete the software, which greatly facilitate the teaching and student learning.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124974212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Root locus approach in variable eigenvalues control 变特征值控制中的根轨迹法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023305
Qinnan Ji
{"title":"Root locus approach in variable eigenvalues control","authors":"Qinnan Ji","doi":"10.1109/EMEIT.2011.6023305","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023305","url":null,"abstract":"This paper proposed a root locus approach for variable eigenvalues control (VEC) on the foundation of the step analysis of variable eigenvalues control. It can depict the root locus of three dimensions surface with the aid of computer aided design tools to support the design of VEC systems.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126175991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Double-pass optical parametric chirped pulse amplifier 双路光参量啁啾脉冲放大器
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023645
Xiaoli Li, Hua Zhou
{"title":"Double-pass optical parametric chirped pulse amplifier","authors":"Xiaoli Li, Hua Zhou","doi":"10.1109/EMEIT.2011.6023645","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023645","url":null,"abstract":"A double-pass noncollinear optical parametric chirped pulse amplifier has been demonstrated. The signal is double-pass amplified in a single nonlinear crystal by a nanosecond pump pulse. The first-pass optical parametric amplification is completely phase matched in the plane of the maximum effective nonlinearity, and the other pass works symmetrically near to the first-pass optical parametric amplification plane. This architecture efficiently increases the overall gain, overcomes the optical parametric fluorescence. This scheme has been used respectively in the optical parametric chirped pulse amplifiers which the signal is an Yb-doped passively mode-locked fiber laser or a Kerr lens mode-locked Ti:sapphire oscillator.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117029761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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