In this paper, we consider the problem of applying compressed sensing (CS) theory to angle estimation for noncircular sources in monostatic multiple-input multiple output (MIMO) radar, and propose an angle estimation algorithm based on extended matrix compressed sensing. Firstly, a reduced-dimensional matrix is employed to transform the data matrix into a low dimensional one. Then the properties of noncircular signals are utilized to construct an extended matrix from the received data. Finally, the dictionary can be conducted to apply Orthogonal Matching Pursuit (OMP) for angle estimation. The angle estimation performance of the proposed algorithm is better than that of estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithm and reduced-dimension ESPRIT (RD-ESPRIT) algorithm, and the proposed method requires no knowledge of the noise. The simulation results verify the effectiveness of the algorithm.
{"title":"Compressed Sensing-Based Angle Estimation for Noncircular Sources in MIMO Radar","authors":"Chen Guang, Liu Qi","doi":"10.1109/IMCCC.2014.17","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.17","url":null,"abstract":"In this paper, we consider the problem of applying compressed sensing (CS) theory to angle estimation for noncircular sources in monostatic multiple-input multiple output (MIMO) radar, and propose an angle estimation algorithm based on extended matrix compressed sensing. Firstly, a reduced-dimensional matrix is employed to transform the data matrix into a low dimensional one. Then the properties of noncircular signals are utilized to construct an extended matrix from the received data. Finally, the dictionary can be conducted to apply Orthogonal Matching Pursuit (OMP) for angle estimation. The angle estimation performance of the proposed algorithm is better than that of estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithm and reduced-dimension ESPRIT (RD-ESPRIT) algorithm, and the proposed method requires no knowledge of the noise. The simulation results verify the effectiveness of the algorithm.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"381 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131763729","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}
Accuracy and dynamic response were the main characteristics of FOG, which largely depended on signal conditioning of light path and circuits. For analyzing the relationship between the two characteristics and signal conditioning, impacts on accuracy and dynamic response by sampling parameters were analyzed. To some extent, the two characteristics restrict each other, and for harmonizing the relationship between the two characteristics, the analog filter was put to use for sharing responsibility for digital signal processing, with a novel scheme, named sample-hold analog low-pass filter (SHF), proposed on the premise that the traditional scheme had its shortages. Then, mechanism for SHF was illustrated by the portions given in the text, and simulated for analyzing the additional error with large disturbance. Finally, the accuracy and dynamic characteristics of closed-loop were analyzed with different depth of SHF filtering in the experiment. The simulation and experiment verify the theory, and also give a reference for the closed-loop measurement system design of FOG.
{"title":"Research on Sampling Technology and Signal Conditioning for FOG Based on SHF","authors":"Pan Xiong, Z. Chunsheng","doi":"10.1109/IMCCC.2014.200","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.200","url":null,"abstract":"Accuracy and dynamic response were the main characteristics of FOG, which largely depended on signal conditioning of light path and circuits. For analyzing the relationship between the two characteristics and signal conditioning, impacts on accuracy and dynamic response by sampling parameters were analyzed. To some extent, the two characteristics restrict each other, and for harmonizing the relationship between the two characteristics, the analog filter was put to use for sharing responsibility for digital signal processing, with a novel scheme, named sample-hold analog low-pass filter (SHF), proposed on the premise that the traditional scheme had its shortages. Then, mechanism for SHF was illustrated by the portions given in the text, and simulated for analyzing the additional error with large disturbance. Finally, the accuracy and dynamic characteristics of closed-loop were analyzed with different depth of SHF filtering in the experiment. The simulation and experiment verify the theory, and also give a reference for the closed-loop measurement system design of FOG.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129973586","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}
J. Xue, Yuan Huijuan, Fu Jian, Li Junzhong, Zhang Enjing
The bearings are equipped with supporting the core infrastructure components. Size difference between the rollers will directly affect working conditions and bearing life. This article has designed a high-speed, high-precision ball diameter automatic sorting device. Under the joint action of the stepper motor and gear transmission and fixed ball, using differential transformer displacement sensor measure the roller diameter and realize the roller sorting device controlled by a microprocessor.
{"title":"Roller Bearing Automatic Sorting Device","authors":"J. Xue, Yuan Huijuan, Fu Jian, Li Junzhong, Zhang Enjing","doi":"10.1109/IMCCC.2014.161","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.161","url":null,"abstract":"The bearings are equipped with supporting the core infrastructure components. Size difference between the rollers will directly affect working conditions and bearing life. This article has designed a high-speed, high-precision ball diameter automatic sorting device. Under the joint action of the stepper motor and gear transmission and fixed ball, using differential transformer displacement sensor measure the roller diameter and realize the roller sorting device controlled by a microprocessor.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"34 Suppl 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132873903","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}
To test the hardware or software of a strap-down inertial navigation system, or conduct a related simulation study, the flight trajectory data and the output parameters of gyroscope and accelerometer should be known in advance. And in practice a set of discrete data is often used to represent flight trajectory information. Therefore this paper proposes a new method that can produce discrete trajectory of any path, so that we can quickly generate required simulation trajectories according to the actual task requirements. This paper also optimizes the inertial device simulation model, presents a co-simulation idea of the trajectory generator and inertial navigation system. And this paper gives the simulation results of the whole system. By analyzing the simulation results, we can verify the correctness and feasibility of the method described above and the overall design of the simulation system.
{"title":"Numerical Simulation of Inertial Navigation Technology and Arbitrary Path Generator","authors":"Li Zhigang, Wang Dandan, Hu Tao","doi":"10.1109/IMCCC.2014.122","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.122","url":null,"abstract":"To test the hardware or software of a strap-down inertial navigation system, or conduct a related simulation study, the flight trajectory data and the output parameters of gyroscope and accelerometer should be known in advance. And in practice a set of discrete data is often used to represent flight trajectory information. Therefore this paper proposes a new method that can produce discrete trajectory of any path, so that we can quickly generate required simulation trajectories according to the actual task requirements. This paper also optimizes the inertial device simulation model, presents a co-simulation idea of the trajectory generator and inertial navigation system. And this paper gives the simulation results of the whole system. By analyzing the simulation results, we can verify the correctness and feasibility of the method described above and the overall design of the simulation system.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134595412","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}
A theoretical scheme for laser cooling thulium doped solids with optical superradiance is presented. The superradiance is coherent, sharply directed spontaneous emission of photons by an ensemble of excited ions in the solid-state host, the properties of which are much different from the conventional, incoherent anti-Stokes fluorescence radiating through all directions. In this paper, we consider a thulium doped ZBLAN sample pumped with continuous-wave laser at 1.9 μm and pulse laser at 1.8 μm. The induced anti-Stokes superrandiance at 1.8 μm removes the matrical phonons energy much effectively and quickly, because of the intensity of superradiance proportional to the square of the number of excited Tm ions. The numerical evaluations of the superradiance cooling performance, especially in the net cooling power and the cooling efficiency, is discussed.
{"title":"Evaluation of Anti-Stokes Superradiance Cooling Thulium Doped Solids","authors":"Xuanwen Bu, Li Li, Xin-lu Zhang, J. Cui","doi":"10.1109/IMCCC.2014.192","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.192","url":null,"abstract":"A theoretical scheme for laser cooling thulium doped solids with optical superradiance is presented. The superradiance is coherent, sharply directed spontaneous emission of photons by an ensemble of excited ions in the solid-state host, the properties of which are much different from the conventional, incoherent anti-Stokes fluorescence radiating through all directions. In this paper, we consider a thulium doped ZBLAN sample pumped with continuous-wave laser at 1.9 μm and pulse laser at 1.8 μm. The induced anti-Stokes superrandiance at 1.8 μm removes the matrical phonons energy much effectively and quickly, because of the intensity of superradiance proportional to the square of the number of excited Tm ions. The numerical evaluations of the superradiance cooling performance, especially in the net cooling power and the cooling efficiency, is discussed.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"28 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133664044","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}
Liu Xiao-sheng, Li Yan-xiang, Wang Juan, Zhu Hong-lin, Xu Dian-guo
In view of the deficiency of existing power line networking algorithms, the paper proposes a novel improved clustering multipath blind routing algorithm, which meets the requirements of survivability and real-time, solves the problem of network reconstruction on link invalidation. Also, solutions to some abnormal situations, such as node joining and exiting are given. Finally, the validity and superiority of the algorithm is verified through simulations. The results show that the improved clustering algorithm proposed in this paper can achieve network construction and reconstruction rapidly and flexibly, which is of positive significance to improve the reliability of communication.
{"title":"Multipath Blind Routing Algorithm for Low-Voltage Power Line Communication Based on Improved Clustering","authors":"Liu Xiao-sheng, Li Yan-xiang, Wang Juan, Zhu Hong-lin, Xu Dian-guo","doi":"10.1109/IMCCC.2014.124","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.124","url":null,"abstract":"In view of the deficiency of existing power line networking algorithms, the paper proposes a novel improved clustering multipath blind routing algorithm, which meets the requirements of survivability and real-time, solves the problem of network reconstruction on link invalidation. Also, solutions to some abnormal situations, such as node joining and exiting are given. Finally, the validity and superiority of the algorithm is verified through simulations. The results show that the improved clustering algorithm proposed in this paper can achieve network construction and reconstruction rapidly and flexibly, which is of positive significance to improve the reliability of communication.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133730241","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}
The modified emitter follower compensation circuit is discussed and the principle of a slop compensation circuit is also analyzed. Focusing on transformer primary side existing current peak when duty ratio of peak current-mode control power converter is higher than one half. Theoretical analysis shows that this circuit can eliminate the phenomenon of current peak, increased the range of the duty ratio and increase the efficiency of transformer. Develope a 12V/1700A rare earth electrolysis power model machine. Experiment shows that this compensation circuit can eliminate the transformer primary side current-peak phenomenon and makes the operation of the power stable and reliable.
{"title":"A Project of a New DC/DC Converter Slope Compensation Circuit","authors":"Song Jianbai, Gao Yuan, Yao Jianhong, L. Jicheng","doi":"10.1109/IMCCC.2014.90","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.90","url":null,"abstract":"The modified emitter follower compensation circuit is discussed and the principle of a slop compensation circuit is also analyzed. Focusing on transformer primary side existing current peak when duty ratio of peak current-mode control power converter is higher than one half. Theoretical analysis shows that this circuit can eliminate the phenomenon of current peak, increased the range of the duty ratio and increase the efficiency of transformer. Develope a 12V/1700A rare earth electrolysis power model machine. Experiment shows that this compensation circuit can eliminate the transformer primary side current-peak phenomenon and makes the operation of the power stable and reliable.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116278124","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}
In this paper, a hybrid PSO algorithm is introduced to solve the optimal problem of antenna's directions control in the satellite formation flying task. Firstly, we solve the optimal observing route problem raised in the reference with a different method of a hybrid PSO. Then we put forward the optimal goal based on the engineering's constraint in satellite formation flying's case, and solve it with the hybrid PSO method. Finally, the simulation testifys the effectiveness of our method.
{"title":"The Antenna's Direction Optimal Control Based on Hybrid PSO in Satellite Formation Flying Task","authors":"K. Wang, Xianlin Huang","doi":"10.1109/IMCCC.2014.18","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.18","url":null,"abstract":"In this paper, a hybrid PSO algorithm is introduced to solve the optimal problem of antenna's directions control in the satellite formation flying task. Firstly, we solve the optimal observing route problem raised in the reference with a different method of a hybrid PSO. Then we put forward the optimal goal based on the engineering's constraint in satellite formation flying's case, and solve it with the hybrid PSO method. Finally, the simulation testifys the effectiveness of our method.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132345346","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}
Predictive analytics of the traffic flow is paid more attention by the traffic engineering experts and relevant departments. However, how to forecast traffic volume still is an important problem affecting the traffic theoretical and practical analysis. Firstly, this paper set up a three layers BP neural network basing on the actual situation to introduce the modeling process of the neural network in detail, and forecast the short-term traffic volume by the means of rolling forecast. Secondly, taking the Hailar Street in Hohhot for example, two groups of test data from the same time of different days and sequent time of the same day were trained and forecast. In addition, predicting results and actual results were compared, and the correlations between test data and predicting result was analyzed and disclosed. Finally, the conclusion shows the error is acceptable and BP Neural Network constructed is practical when prediction accuracy is not very high.
{"title":"The Urban Arterial Traffic Flow Forecasting Based on BP Neural Network","authors":"Hongmei Cao, F. Han","doi":"10.1109/IMCCC.2014.88","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.88","url":null,"abstract":"Predictive analytics of the traffic flow is paid more attention by the traffic engineering experts and relevant departments. However, how to forecast traffic volume still is an important problem affecting the traffic theoretical and practical analysis. Firstly, this paper set up a three layers BP neural network basing on the actual situation to introduce the modeling process of the neural network in detail, and forecast the short-term traffic volume by the means of rolling forecast. Secondly, taking the Hailar Street in Hohhot for example, two groups of test data from the same time of different days and sequent time of the same day were trained and forecast. In addition, predicting results and actual results were compared, and the correlations between test data and predicting result was analyzed and disclosed. Finally, the conclusion shows the error is acceptable and BP Neural Network constructed is practical when prediction accuracy is not very high.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126969486","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}
Recently, sports video analysis for retrieval purpose has become a hot research area. As important clues to sports video content analysis, detection and recognition of the number of athletes is a direct method to identify athletes. In this paper, we propose a method of detect rigid number of athletes. The number of athletes, as an example, we explored methods of detection and identification of the rigid deformed characters. First, we adopted a method that combines edge features and color features to locate the athlete number cloth. Then we used perspective transformation for correction of deformed area to identify the rigid deformation characters. Finally, for the candidate regional characters after adjustment, we employed the method of character template matching for identification. Experimental results on typical sports images show the potential of our algorithm.
{"title":"An Identification Algorithm for Rigid Athlete Numbers in Sports Video","authors":"Shanshan Zhang, Zhaohui Li","doi":"10.1109/IMCCC.2014.16","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.16","url":null,"abstract":"Recently, sports video analysis for retrieval purpose has become a hot research area. As important clues to sports video content analysis, detection and recognition of the number of athletes is a direct method to identify athletes. In this paper, we propose a method of detect rigid number of athletes. The number of athletes, as an example, we explored methods of detection and identification of the rigid deformed characters. First, we adopted a method that combines edge features and color features to locate the athlete number cloth. Then we used perspective transformation for correction of deformed area to identify the rigid deformation characters. Finally, for the candidate regional characters after adjustment, we employed the method of character template matching for identification. Experimental results on typical sports images show the potential of our algorithm.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126097342","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}
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