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2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)最新文献

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Frequency compensated high power matrix resistor network 频率补偿高功率矩阵电阻网络
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704426
V. Papež, S. Papezova
{"title":"Frequency compensated high power matrix resistor network","authors":"V. Papež, S. Papezova","doi":"10.1109/TELSKS.2013.6704426","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704426","url":null,"abstract":"This paper describes a circuit arrangement, design and construction of the power load composed of many pieces of thick film flanged resistors, which are serial-parallel connected so that the resulting combination showed the desired impedance-resistance, which may or may not be consistent with the resistance of individual components and, at the same time, it can be loaded with more power than a single component. The solution is given to the compensation circuit which increases several times the maximum frequency at which the load is applied.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123033562","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
The geometric representation of electrodynamics by exterior differential forms 用外部微分形式表示电动力学的几何形式
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704883
P. Russer
{"title":"The geometric representation of electrodynamics by exterior differential forms","authors":"P. Russer","doi":"10.1109/TELSKS.2013.6704883","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704883","url":null,"abstract":"The aim of this contribution is to show that electromagnetic theory can be simplified and clarified by geometric formulation. The geometric formulation of Maxwell's theory accomplished by exterior differential calculus introduces geometrical imagery and supports physical understanding. Exterior differential calculus has simple and concise rules for computation. The objects of exterior differential calculus have a clear geometrical significance and the laws of electromagnetics assume a simple and elegant form.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121900270","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
Induced currents in cranes in electromagnetic field of MF transmitters 中频变送器电磁场下起重机的感应电流
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704890
V. Javor
{"title":"Induced currents in cranes in electromagnetic field of MF transmitters","authors":"V. Javor","doi":"10.1109/TELSKS.2013.6704890","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704890","url":null,"abstract":"Electromagnetic field of powerful MF transmitters induces currents in large-scale conductive structures which act as unintentional receiving antennas. Among such structures are construction cranes, tower cranes, portal-harbour cranes and reloading bridges, so that touch voltages and short-cut currents are experienced by their workers. Calculations are presented in this paper for cranes treated as wire antenna structures in plane-wave electromagnetic field of some frequency and propagation direction, using Point matching method for solving the system of electric field integro-differential equations (EFIE) of Hallen's type with current distributions approximated by polynomials. Possible solutions of this problem are given in the paper.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130258229","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
Concurrent generation of pseudo random numbers with LFSR of Galois type Galois型LFSR伪随机数并发生成
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704893
E. Milovanovic, I. Milovanovic, M. Stojcev
{"title":"Concurrent generation of pseudo random numbers with LFSR of Galois type","authors":"E. Milovanovic, I. Milovanovic, M. Stojcev","doi":"10.1109/TELSKS.2013.6704893","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704893","url":null,"abstract":"In this paper we consider the implementation of parallel test patterns generation which is used as a basic building block in built-in-self test (BIST) design. The proposed design can drive several circuits under test (CUT) within a complex VLSI IC. For parallel test pattern generation a LFSR of Galois type is used. Mathematical procedure for concurrent pseudo random number (PRN) generation is described. We have implemented a LFSR that generates two PRNs in parallel. The achieved speed up is between 1.33 and 2, and depends on the characteristics of used primitive polynomial.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"119 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129313036","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
Practical aspects of a digital feedforward approach for mitigating non-linear distortions in receivers 减轻接收机非线性失真的数字前馈方法的实用方面
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704914
D. Dupleich, Michael Grimm, Florian Schlembach, R. Thoma
{"title":"Practical aspects of a digital feedforward approach for mitigating non-linear distortions in receivers","authors":"D. Dupleich, Michael Grimm, Florian Schlembach, R. Thoma","doi":"10.1109/TELSKS.2013.6704914","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704914","url":null,"abstract":"This paper addresses the mitigation of non-linearly induced interference in reconfigurable wideband direct down-conversion receivers using digital signal processing techniques. Multi-mode and multi-band transceivers are widely used nowadays. However, due to their aim to be flexible and reconfigurable, they lack of high selectivity and are more sensitive to non-linear distortions beside other RF impairments. The case of blocking through out of band interferer signals is found in practice, where the receiver tries to demodulate a weak signal from a far base station, but a high power wideband signal from a near base station in a different frequency-slot induces the receiver to work in a non-linear region. The spectral regrowth of the interferer signal that falls above the desired one deteriorates the bit error rate performance. In the receiver, the automatic gain control attenuates the interferer, but also reduces the power of the desired signal, thereby decreasing the dynamic range of the receiver. A feedforward algorithm based on a reference model and adaptive filters has been analysed under fading channel conditions in MATLAB and later tested in the lab in a realtime implementation in the FPGA of a software-defined radio device. Results show an enhancement in the bit error rate by reducing the interference and an increase in the dynamic range of the receiver.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129755702","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: 8
Using wake-up receivers in bird telemetry - Viability study 在鸟类遥测中使用唤醒接收器。可行性研究
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704434
Nikola Sobajic, J. Gutiérrez, R. Kraemer, M. Krstic
{"title":"Using wake-up receivers in bird telemetry - Viability study","authors":"Nikola Sobajic, J. Gutiérrez, R. Kraemer, M. Krstic","doi":"10.1109/TELSKS.2013.6704434","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704434","url":null,"abstract":"We present a feasibility study for a wake-up receiver of a small mobile tag that can be fitted on a bird and used to communicate with the International Space Station (ISS). The results show that implementing such a wake-up receiver with a significant link margin of 31 dB is possible using a superheterodyne rake receiver with a low power consumption.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128237577","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
Low-cost wireless dust monitoring system 低成本无线粉尘监测系统
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704458
Ugljesa Jovanovic, Igor Jovanović, A. Petrušić, Z. Petrusic, D. Mančić
{"title":"Low-cost wireless dust monitoring system","authors":"Ugljesa Jovanovic, Igor Jovanović, A. Petrušić, Z. Petrusic, D. Mančić","doi":"10.1109/TELSKS.2013.6704458","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704458","url":null,"abstract":"In this paper a prototype of wireless system for dust density measurement is presented. The system is developed with inexpensive commercially available components and can measure dust density up to 0.5mg/m3. The system is modular and consists of a base station connected to a PC via USB communication and an autonomous sensing node equipped with an optical dust sensor GP2Y1010AU0F. A virtual instrument made in LabVIEW is created to monitor the system operation, data acquisition and data storage.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130549395","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
Compact multilayer dual-band and tri-band bandpass filters using grounded spiral resonators 采用接地螺旋谐振器的紧凑多层双带和三带通滤波器
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704930
V. Radonić, V. Crnojević-Bengin
{"title":"Compact multilayer dual-band and tri-band bandpass filters using grounded spiral resonators","authors":"V. Radonić, V. Crnojević-Bengin","doi":"10.1109/TELSKS.2013.6704930","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704930","url":null,"abstract":"In this paper, a compact multilayer dual-band and tri-band filters based on grounded spiral resonators are proposed. The filters are realized on two stacked substrates: Taconic CeR-10 substrate and Kapton foil, where the feeds are positioned in the upper layer whereas resonators are placed in the middle layer between feed lines and the ground. The proposed dual-band filter operates at 0.68/0.82 GHz while tri-band filter, realized using addition quarter-wavelength resonators, operates at 0.634/0.81/1.1 GHz. Specific geometrical arrangement of the resonators result in three transmission zeros providing high selectivity of the passbands and high suppression out of the passband up to the second harmonics.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130563733","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
Perception and attitudes towards digital billboards 对数字广告牌的认知和态度
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704454
S. Cicevic, Aleksandar Trifunović, M. Nesic, Andrej A. Samcovic
{"title":"Perception and attitudes towards digital billboards","authors":"S. Cicevic, Aleksandar Trifunović, M. Nesic, Andrej A. Samcovic","doi":"10.1109/TELSKS.2013.6704454","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704454","url":null,"abstract":"Given that digital billboards are a relatively new phenomenon in Belgrade, we aimed to examine how its citizens really perceive them, as well as to reveal their attitudes towards digital billboards. The results showed that the length of exposure to advertising content has a crucial influence on their perception.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131498189","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
Quasi-static analysis of the shielded microstrip line with bi-isotropic substrate by the strong FEM formulation 双各向同性基板屏蔽微带线的准静力分析
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704430
Ž. Mančić, V. Petrovic
{"title":"Quasi-static analysis of the shielded microstrip line with bi-isotropic substrate by the strong FEM formulation","authors":"Ž. Mančić, V. Petrovic","doi":"10.1109/TELSKS.2013.6704430","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704430","url":null,"abstract":"The paper presents the calculation of the effective relative permittivity and the characteristic impedance of the shielded microstrip line with bi-isotropic dielectric substrate, and with the special kind of the bi-isotropic substrate - the Tellegen material. Calculation was performed using the strong formulation of the Finite Element method (FEM). Basis functions of the third order and rectangle mesh were applied.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129835881","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
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