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A stearable broadband postbeamformer interference canceller with negligible residual interference 一种残余干扰可忽略不计的可硬化宽带后波束成形器干扰消除器
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440800
L. Godara, Presila Israt
{"title":"A stearable broadband postbeamformer interference canceller with negligible residual interference","authors":"L. Godara, Presila Israt","doi":"10.1109/CONIELECOMP.2010.5440800","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440800","url":null,"abstract":"A postbeamformer interference canceller (PIC) is a single channel noise canceller and cancels interference by forming two beams. This paper studies the performance of the PIC processor in the presence of broadband directional sources such that the processor is able to steer the main beam in any direction without the use of steering delays and leaves almost no residual interference at the output. A number of examples are included to show the effect of various parameters on the performance of PIC processor.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116425832","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: 3
Sailing system based in ultrasound and infrared applied to a mobile robot 基于超声和红外的航行系统应用于移动机器人
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440753
G. Trinidad-García, G. Saldaña-González, M. Larios-Gómez, M. López, H. F. Villafuerte
{"title":"Sailing system based in ultrasound and infrared applied to a mobile robot","authors":"G. Trinidad-García, G. Saldaña-González, M. Larios-Gómez, M. López, H. F. Villafuerte","doi":"10.1109/CONIELECOMP.2010.5440753","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440753","url":null,"abstract":"This paper presents a proposal of a sailing control based on infrared and ultrasound sensors applied to robotics. The system's control is based on the ¿EyeBot¿ board. The sensing subsystems for infrared and ultrasound transducers are designed to be used in the construction of experimental robots of general purpose. The actuators used are DC motors and servomotors. In order to verify the operation of the systems, a mobile robot that evades obstacles and allows knowing the distance from such obstacle to the robot was built. The system configuration consists of two ultrasound transducers placed in the front and back of the mobile, and the infrared ones placed on the sides. This configuration gives autonomy to the robot, allowing the obstacles' evasion and avoiding collisions with objects around to generate possible escape routes. It is important to highlight that the systems were built in a modular way, which allows different configurations according to the user needs. As future work, modules for light intensity and sound detection will be added in order to provide more flexibility to the system.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128314124","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
FPGA based system prototype for face location and recording of people getting on a public transport bus 基于FPGA的公交人脸定位与记录系统原型
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440774
Jorge Martínez-Carballido, Carlos García-Lucero, J. Ramírez-Cortés, R. Enríquez-Caldera
{"title":"FPGA based system prototype for face location and recording of people getting on a public transport bus","authors":"Jorge Martínez-Carballido, Carlos García-Lucero, J. Ramírez-Cortés, R. Enríquez-Caldera","doi":"10.1109/CONIELECOMP.2010.5440774","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440774","url":null,"abstract":"Assault and robbery on the public transport is a social problem. Almost every day, people lose possessions and, in some cases, thieves or citizens get hurt or even die, in the process. In Mexico, attempts to reduce or prevent crime include vigilance by armed agents [1] and video cameras on public transport [2]. This work contributes to crime reduction and/or prevention on public transport by taking photographic records of people as they get on the bus, using an FPGA based system with camera and Secure Digital (SD) storage. An FPGA is used as the processing device which contains all the necessary logic to obtain the images from the camera, process them to locate the face, extract face region and store them into a SD media using an uncompressed BMP file. For face area location single channel image was used to extract regional attributes and their interregional relationship, resulting in a face detection algorithm with tolerance to skin tones and light conditions.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129908080","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
Spectrum analyzer using FFT via LabVIEW 频谱分析仪使用FFT通过LabVIEW实现
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440749
F. Moumtadi, Félix Ruíz-Mendoza, Julio Delgado, R. Tovar-Medina
{"title":"Spectrum analyzer using FFT via LabVIEW","authors":"F. Moumtadi, Félix Ruíz-Mendoza, Julio Delgado, R. Tovar-Medina","doi":"10.1109/CONIELECOMP.2010.5440749","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440749","url":null,"abstract":"This paper belongs to a set of efforts aimed to improve the education of engineering in electronic and telecommunications, based on virtual equipment. It stand on a previous work called Networking Model for a Virtual Radio Frequency Laboratory (NMFLV) [1]. This proposal addresses with a specific topic in radio frequency. Plenty of analysis is performed in the frequency domain due to limits for time analysis. In order to understand this phenomenon the analyzer uses Fast Fourier Transform, its efficiency in the amount of mathematical operations, FFT is limited only by the number of samples. As it was mentioned our goal is boost the learning process, using IT infrastructure along with electronic prototypes, besides encourage students to use their pace in laboratory activities. The work introduced is performed via NMFLV system; it was designed a spectrum analyzer for undergraduate students and postgraduate students.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116217898","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
Computer tools to teach channel models for optical links 教授光链路信道模型的计算机工具
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440792
J. Cuevas-Ruíz, C. H. Yee-Rodríguez, Alejandro Aragón Zavala
{"title":"Computer tools to teach channel models for optical links","authors":"J. Cuevas-Ruíz, C. H. Yee-Rodríguez, Alejandro Aragón Zavala","doi":"10.1109/CONIELECOMP.2010.5440792","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440792","url":null,"abstract":"Along with the recent developments around wireless optical systems, as an alternative to solve the bottlenecks at the last mile, it has emerged the need of having a proper understanding of the propagation of a beam of light at different atmospheric conditions that appear at the channel. The implementation of a graphic interface in MatLab that simulates the models that characterize the losses in an optical link are shown in this paper. The development of the interface aims at using a computer tool as a mean to teach this technology, so that this knowledge can be taken into account for making better decisions regarding the implementation and administration of these links.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"205 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121536904","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
5-DOF manipulator simulation based on MATLAB-Simulink methodology 基于MATLAB-Simulink方法的五自由度机械臂仿真
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440751
Jesús Arturo Velarde-Sánchez, Sergio Alberto Rodríguez-Gutiérrez, L. García-Valdovinos, J. Ortega
{"title":"5-DOF manipulator simulation based on MATLAB-Simulink methodology","authors":"Jesús Arturo Velarde-Sánchez, Sergio Alberto Rodríguez-Gutiérrez, L. García-Valdovinos, J. Ortega","doi":"10.1109/CONIELECOMP.2010.5440751","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440751","url":null,"abstract":"This work presents a novel simulation methodology applied to a 5-DOF manipulator. The work includes mathematical modeling of the direct, inverse and differential kinematics as well as the dynamics of the manipulator. The method implements the path following in the 3D space and uses the Matlab-Simulink approach. Several paths were tested to verify the method. This methodology can be used with different robots to test the behavior and control laws.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128100457","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: 19
A review of AC choppers AC直升机的回顾
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440759
J. Rosas-Caro, F. Mancilla–David, J. M. González-López, J. M. Ramírez-Arredondo, A. González-Rodríguez, E. N. Salas-Cabrera, M. Gómez-García, H. Cisneros-Villegas
{"title":"A review of AC choppers","authors":"J. Rosas-Caro, F. Mancilla–David, J. M. González-López, J. M. Ramírez-Arredondo, A. González-Rodríguez, E. N. Salas-Cabrera, M. Gómez-García, H. Cisneros-Villegas","doi":"10.1109/CONIELECOMP.2010.5440759","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440759","url":null,"abstract":"AC choppers are a family of ac-to-ac power converters that can be derived from the traditional dc-to-dc converters. Research activity in this kind of converter has recently increased in applications for power conditioning—such as voltage control in the distribution system and power flow control in the transmission system—as an alternative for the dc-link approach compensators based on voltage source converters. The control is simpler and the power rating of the devices is smaller for compensators with the same power rating; the main drawback is they cannot control the output-voltage frequency as the matrix converter. This paper presents a state-of-the-art review on the development of ac-choppers. The principle of operation is explained by using the six switches three-phase buck converter as an example. The main applications used in power conditioning and power flow control are introduced along with emerging topologies.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134621880","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: 27
Transmission line characterization for high frequency synchronization systems design 传输线特性高频同步系统设计
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440799
O. González-Díaz, M. L. Aranda, R. Torres‐Torres
{"title":"Transmission line characterization for high frequency synchronization systems design","authors":"O. González-Díaz, M. L. Aranda, R. Torres‐Torres","doi":"10.1109/CONIELECOMP.2010.5440799","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440799","url":null,"abstract":"The characterization of interconnection lines used in the design of high frequency synchronization systems is presented in this paper. The transmission line characterization is carried out from the corresponding S-parameter measurements of two microstrip line test structures designed and fabricated using an Austriamicrosystems 0.35 µm process technology. The microstrip test structures are fabricated with Metal4 conductor and using Metal1 level as a ground plane. The fabrication of test structures with same characteristics but different length (l1 ≠ l2) is indispensable for the parameter extraction procedure. The transmission line characterization obtained from S-parameter data allows taking into account the frequency dependence of the resistance, inductance, and capacitance parameters associated with the interconnection lines under study. In this way an accurate model for global interconnections which is valid for high operation frequencies can be determined.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127053433","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
Sagnac loop based photonic filter and its application in optical telecommunications systems 基于Sagnac环的光子滤波器及其在光通信系统中的应用
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440797
Paúl Alonso-Rubio, J. Rodríguez-Asomoza, I. Zaldívar-Huerta, G. Aguayo-Rodríguez, A. García-Juárez
{"title":"Sagnac loop based photonic filter and its application in optical telecommunications systems","authors":"Paúl Alonso-Rubio, J. Rodríguez-Asomoza, I. Zaldívar-Huerta, G. Aguayo-Rodríguez, A. García-Juárez","doi":"10.1109/CONIELECOMP.2010.5440797","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440797","url":null,"abstract":"A microwave photonic filter based on a Sagnac fiber loop is presented. The frequency response is obtained by phase modulating the clockwise and counterclockwise propagating optical signals inside the Sagnac loop at different times. Experimental results match closely with the theoretical analysis. Finally two schemes for transmission process are proposed to demonstrate its application on optical telecommunications systems.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126716324","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
Traditional sEMG fatigue indicators applied to a real-world sport functional activity: Roundhouse kick 传统的肌电信号疲劳指标应用于现实世界的运动功能活动:回旋踢
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440776
C. Hernandez, E. Estrada, Leticia García, G. Sierra, H. Nazeran
{"title":"Traditional sEMG fatigue indicators applied to a real-world sport functional activity: Roundhouse kick","authors":"C. Hernandez, E. Estrada, Leticia García, G. Sierra, H. Nazeran","doi":"10.1109/CONIELECOMP.2010.5440776","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440776","url":null,"abstract":"Nowadays, the study of sMEG has became of highly relevance for scientist due to it may be a a new and less invasive pathway for assessing muscle fatigue level. However, these well-known predictors have been tested only in controlled situations where movements are carried out in only one anatomical plane. The objective of this study was to observe the behavior of these features in a more real-life environment involving multi-planar and multi-joint movements such as the case of roundhouse kick in Taekwon Do. Six athletes 23±3.5 years old and BMI of 24.08±3.20 participated in the fatigue protocol. First, the value one-repetition maximum (1RM) was found in order to standardize each subject workload to 80% of 1RM value. Then the subjects were told to perform the functional movement until fatigue were reach. To acquire the raw EMG, three samples were recorded (beginning, middle and end of total experiment) to describe the EMG fatigue behavior over time. Once the data were acquired and EMG features were extracted, the t-sudent test was used to identify statistical significance in the study's findings. Results shown that in MPF and IEMG values were only significant in subject number five (p≪0.05).","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126876914","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: 11
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