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Proceedings of the 6th International Conference on Telecommunications and Remote Sensing最新文献

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Fuzzy Analysis of Airborne LiDAR Data for Rainforest Boundary Determination 用于雨林边界确定的机载激光雷达数据模糊分析
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152816
Zhenyu Zhang, Xiaoye Liu, K. Mcdougall, W. Wright
{"title":"Fuzzy Analysis of Airborne LiDAR Data for Rainforest Boundary Determination","authors":"Zhenyu Zhang, Xiaoye Liu, K. Mcdougall, W. Wright","doi":"10.1145/3152808.3152816","DOIUrl":"https://doi.org/10.1145/3152808.3152816","url":null,"abstract":"Airborne LiDAR data have advantages over passive remote sensing data in detailed description of vertical forest structure. LiDAR-derived information can potentially be used to solve such problems as forest type classification and forest boundary determination. Forest boundaries were usually represented as sharp lines that attempt to distinguish areas with different forest types. In reality, however, forest boundaries are rarely sharp or crisp, especially in the forest area with multiple canopy layers where species compositions change gradually. Fuzzy analysis offers great potential for characterising the transition zones and determining realistic forest boundaries. This study developed ways of using fuzzy analysis of airborne LiDAR data for determining rainforest boundaries. LiDAR variables were derived and used to define and calculate membership function values for both rainforest and non-rainforest. The confusion index values were then derived to illustrate the transition zones. Finally, the rainforest boundaries were successfully determined in the study area. The results demonstrated the success of proposed method for rainforest boundary determination.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115265097","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
Drones in Land Border Missions: Benefits and Accountability Concerns 无人机在陆地边境任务:利益和问责问题
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152820
B. Shishkov, S. Hristozov, M. Janssen, J. van den Hoven
{"title":"Drones in Land Border Missions: Benefits and Accountability Concerns","authors":"B. Shishkov, S. Hristozov, M. Janssen, J. van den Hoven","doi":"10.1145/3152808.3152820","DOIUrl":"https://doi.org/10.1145/3152808.3152820","url":null,"abstract":"Drone technology can potentially be useful for land-borer security - unmanned drone missions could be performed in the sky, supported by embedded sensors and data processing. Algorithmic rules can be incorporated in the drone software to make instant decisions, whereas other decisions might be made on the ground on the basis of monitoring data received from the drone. This allows for achieving context-awareness: the operation of the drone depends on the situation at hand. The mix of algorithmic and human decision-making distributed over many components raises questions that concern accountability - who would be responsible in case of an accident or a 'wrong doing': the hardware or software developers, the ground station managers, the law (regulations) makers, or the ones who have decided to use drones in the particular situation? In the current work we analyze the usability of drones with regard to land border security, featuring benefits and corresponding accountability concerns. To achieve this, we have studied drone technology and in particular: the technical features as well as the corresponding actor-roles and relationships, considering a land-border-security-related application scenario. On that basis we have carried out an analysis from an accountability perspective.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126421679","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: 14
Design of a Groundless Metamaterial Absorber Based Sensor Integrated into X-Band Waveguide 集成在x波段波导中的无基超材料吸收传感器的设计
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152809
Y. Abdalla, A. Mohamed, A. Abdelmegid
{"title":"Design of a Groundless Metamaterial Absorber Based Sensor Integrated into X-Band Waveguide","authors":"Y. Abdalla, A. Mohamed, A. Abdelmegid","doi":"10.1145/3152808.3152809","DOIUrl":"https://doi.org/10.1145/3152808.3152809","url":null,"abstract":"This work presents two different novel groundless absorber based sensor design to be integrated in a single mode waveguide. This metamaterial absorber is used in high resolution measurements of variations in the permittivity of the dielectric material where variations in the dielectric constant can be detected by considering the shift in the resonant frequency. The sensor is analyzed in terms of transmission, reflection and absorbance parameters. The first design configuration proposed gives transmission and reflection below -15 dB at the design frequency 11.5 GHz which concludes an absorption of 97%. As for the second proposed groundless configuration, it gives transmission and reflection below -30 dB 9.75 GHz which concludes an absorption of 99.7%. The reflection spectra for different values of superstrate permittivity for both configurations is reported and a comparison was conducted between both configurations and previously reported designs to summarize the efficiency of the proposed design structures.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130307809","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
Verification of Ionospheric Models by TEC and Satellite Measurements 电离层模型的TEC和卫星测量验证
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152817
O. Maltseva
{"title":"Verification of Ionospheric Models by TEC and Satellite Measurements","authors":"O. Maltseva","doi":"10.1145/3152808.3152817","DOIUrl":"https://doi.org/10.1145/3152808.3152817","url":null,"abstract":"Despite a huge stream of the experimental data, allowing us to estimate ionospheric parameters in near real time, necessity for ionospheric modeling does not decrease. Transition to developing a model of the most changeable structure - the main ionospheric trough (MIT) was now outlined. The latest model is the Karpatchev and co-authors's model of 2016 which concerns night winter conditions (the most probable occurrence of a trough). The model is constructed according to vertical sounding and measurements of plasma frequency on satellites. As the increasing role in an estimation of ionospheric conditions is played by the total electron content (TEC), in the present paper the problem of comparison of TEC behaviour with the MIT model was put. It is shown, that TEC always shows presence of the trough however its form is more smoothed. Good enough conformity exists for longitudinal dependence of MIT, but latitudinal dependence of the TEC trough is closer to data of low-orbit satellites. Testing of the International Reference Ionosphere model is a traditional problem. In the present paper, the basic attention was given to conformity of ionospheric and plasma frequencies at height of the satellite and to use TEC. It is shown, that the usage of TEC increases accuracy of definition of critical frequencies in 1.5 times in comparison with the model in a range 5° on a latitude and 90° on a longitude from ionosondes.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133312005","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
A Review on Cognitive Radio for MIMO MIMO认知无线电研究进展
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152814
E. Spyrou, D. Mitrakos
{"title":"A Review on Cognitive Radio for MIMO","authors":"E. Spyrou, D. Mitrakos","doi":"10.1145/3152808.3152814","DOIUrl":"https://doi.org/10.1145/3152808.3152814","url":null,"abstract":"A MIMO system is a wireless system, which employs multiple antennas at the transmitter and the receiver. MIMO is an acronym for \"multiple-input multiple-output\". Its main objective is the transmission and reception of signals at the physical layer of the wireless stack. Currently, MIMO have been made commercial, with examples being WiMAX and LTE, as well as WiFi and 802.11n. However, there is significant research to be undertaken with respect to handling interference.. Interference has been neglected in point-to-point MIMO as far as concurrent transmissions are concerned; thus, we are given the facts that MIMO offered the possibility of increased reliability through diversity and combination of gains. A technique to handle concurrent transmissions id cognitive radio, where nodes are separated to primary and secondary users competing for the channel medium. In this paper we provide a recent review on cognitive radio for MIMO.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122209484","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
Fractal Antenna with Maximum Capture Power 具有最大捕获功率的分形天线
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152811
Z. Zhanabaev, B. Karibayev, T. Namazbayev, A. Imanbayeva, A. Temirbayev, Sayat Ahtanov
{"title":"Fractal Antenna with Maximum Capture Power","authors":"Z. Zhanabaev, B. Karibayev, T. Namazbayev, A. Imanbayeva, A. Temirbayev, Sayat Ahtanov","doi":"10.1145/3152808.3152811","DOIUrl":"https://doi.org/10.1145/3152808.3152811","url":null,"abstract":"The variety of fractal curve types opens up additional structural and electrodynamic possibilities in the design of antennas. The article describes experimental results of studying characteristics of different types of fractal antennas (fractal triangular Koch antenna, fractal square Koch antenna and anisotropic fractal antenna). These types of curves are extreme cases in the direction of deformation of fractals. In this paper, we propose a new dual band wire dipole antenna based on an anisotropic fractal. We obtained the frequency reflection coefficients and the radiation patterns at the resonance frequency of each antennas at the second iteration (n = 2). We made an analysis of the parameters of each antenna. It is shown that a half-wave vibrator configured on the base of the original anisotropic fractal has a maximum effective capture area. The Computer Simulation Technology High Frequency Structural Simulator (HFSS) software was used to design and analyze the antenna. Computed bandwidths are 0.2 to 2.7 GHz. This bandwidth covers the IEEE 802.11.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126023571","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
Sigma Shift Keying (SSK): Synchronization of Data Modulated Noise Transmissions 西格玛移位键控(SSK):数据调制噪声传输的同步
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152813
Martin Kramer
{"title":"Sigma Shift Keying (SSK): Synchronization of Data Modulated Noise Transmissions","authors":"Martin Kramer","doi":"10.1145/3152808.3152813","DOIUrl":"https://doi.org/10.1145/3152808.3152813","url":null,"abstract":"A synchronization approach is presented for a new modulation technique called Sigma Shift Keying (SSK). Advantages of SSK are minimal transmit power output and very low probability of intercept (POI). Digital modulation is performed by time-discrete changes of the variance of pure white Gaussian noise signals (WGN). SSK demodulation and detection becomes more complex as parameter estimation of the underlying processes requires nonlinear mathematical operations. Due to the WGN characteristic of the received signal, standard correlation approaches have to be replaced by a new synchronization method. Optimization of the nonlinear digital filter characteristics and implementation of an intelligent detection algorithm become necessary. Bit error curves will be shown.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132006170","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
Automatic Detection of Surface Deformations by DInSAR 基于DInSAR的表面变形自动检测
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152819
Karima Hadj-rabah, F. Hocine, A. B. Aissa
{"title":"Automatic Detection of Surface Deformations by DInSAR","authors":"Karima Hadj-rabah, F. Hocine, A. B. Aissa","doi":"10.1145/3152808.3152819","DOIUrl":"https://doi.org/10.1145/3152808.3152819","url":null,"abstract":"Due to the noise of various sources present in the interferograms and the differential interferograms, the detection of surface deformations by differential interferometry (DInSAR) is thereby a difficult and complicated task. However, the adoption of a visual inspection method for the measured results interpretation can lead to false interpretations, more often in the case of small deformations; that is due to the total dependence to the detection model conceiver. In this context, the work that we present is a contribution to the methods of surface deformation detection by DInSAR, the automatic process that we propose is based on a multi-scale analysis by the discrete wavelet transform. In order to establish this latter, we generated deformation signatures by simulating a surface subsidence and integrating them into pairs of ERS1 / ERS2 sensors images acquired in the region of Ouargla in Algeria.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123647458","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
Towards a Full-Duplex CW Radar: Development of a Reflected Power Canceller in Digital Domain 面向全双工连续波雷达:数字域反射功率抵消器的研制
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152812
A. E. N. Quiroz, J. Worms
{"title":"Towards a Full-Duplex CW Radar: Development of a Reflected Power Canceller in Digital Domain","authors":"A. E. N. Quiroz, J. Worms","doi":"10.1145/3152808.3152812","DOIUrl":"https://doi.org/10.1145/3152808.3152812","url":null,"abstract":"This paper deals with the challenges of transmitter-receiver isolation in Continuous-Wave Radars. Based on a Full-Duplex configuration, the leakage power from typical modern radar components has been measured. The aim of this study is the suppression of this self-interference in the digital domain. For this purpose, a deep analysis of the transfer functions and impulse responses of the radar components has been performed. Under the assumption of stationarity, the Wiener Filter Model was applied to obtain an optimal description of the system, from which the main filter coefficients were identified. The investigation was then enhanced for non-stationary systems. Leading to an advanced self-adaptive digital canceller which uses a minimum number of coefficients for the LMS-parameter learning and a Gram-Schmidt orthonormalization stage. The proposed digital solution achieves a cancellation of the self-interference down to the receiver noise floor of the test system.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121001815","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
Experimental Study of Moving Man Detection by Acoustic Forward Scattering Radar System 声前向散射雷达探测运动人的实验研究
Proceedings of the 6th International Conference on Telecommunications and Remote Sensing Pub Date : 2017-11-06 DOI: 10.1145/3152808.3152818
I. Garvanov, C. Kabakchiev, V. Behar, H. Rohling
{"title":"Experimental Study of Moving Man Detection by Acoustic Forward Scattering Radar System","authors":"I. Garvanov, C. Kabakchiev, V. Behar, H. Rohling","doi":"10.1145/3152808.3152818","DOIUrl":"https://doi.org/10.1145/3152808.3152818","url":null,"abstract":"The article explores the possibility of detection of people on the base of their sound shadow (sound blocking) when people cross the baseline in the Acoustic Forward Scatter Radar System (AFSRS). Experimental sound shadows have been obtained from moving people crossing AFSRS at different sound frequencies and different distances of people to the receiver. The sound shadow parameters of moving people, i.e. length of target shadow and peak Signal-to-Noise Ratio have been evaluated. The algorithm under investigation can be applied to create a network of sound barriers.","PeriodicalId":325654,"journal":{"name":"Proceedings of the 6th International Conference on Telecommunications and Remote Sensing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122192787","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
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