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Terahertz characterisation of living plant leaves for quality of life assessment applications 用于生活质量评估应用的活植物叶片的太赫兹特性
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-07-09 DOI: 10.23919/URSI.2018.8406770)
A. Zahid, Ke Yang, H. Heidari, Chong Li, M. Imran, A. Alomainy, Q. Abbasi
{"title":"Terahertz characterisation of living plant leaves for quality of life assessment applications","authors":"A. Zahid, Ke Yang, H. Heidari, Chong Li, M. Imran, A. Alomainy, Q. Abbasi","doi":"10.23919/URSI.2018.8406770)","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406770)","url":null,"abstract":"This paper presents preliminary results on employing Terahertz (THz) technology for measuring the water contents of leaves. The main purpose of this work is to highlight transmission constraints of terahertz radiation through the plants in the THz frequency region. Multiple leaves of plants are examined using the THz Swissto12 system, and the effect of thickness and water contents on transmission loss and attenuation are observed at different frequency regions, which can lead to meaningful information to study and analyse the existence of any pesticides in leaves with terahertz frequencies. The results of this paper pave the way for applicability of terahertz frequencies for sensing the quality of life in plants.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127909446","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: 21
The use of troposcatter communications to increase the range of unmanned aerial vehicle - UAV 利用对流层散射通信来增加无人机的航程
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406701
A. Lewandowski, J. Modelski
{"title":"The use of troposcatter communications to increase the range of unmanned aerial vehicle - UAV","authors":"A. Lewandowski, J. Modelski","doi":"10.23919/URSI.2018.8406701","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406701","url":null,"abstract":"The project concerns research and development works aimed at gaining knowledge on the development and implementation of a platform for communication between the ground station (NSK) and unmanned aerial vehicles of the BSP type. The completed research and development works concern the practical implementation of the mobile BSP management position, also referred to as the Ground Control Position (NSK). The implementation of communication will use tropospheric dispersion. Using the properties of off-shore radio lines, the range of BSP will be increased with a ground station from 40 to 150 km. At the same time, the transmission speed of the digital stream will increase to 15÷20 Mbps. Thus, the possibility of observation of the terrain will be increased, which will be reflected in the transmission of telemetry data and video. Movement of the UAV causes a reduction in the transmission speed in the radio channel and the occurrence of time delays. Eliminating these drawbacks will be used to predict the correction of antenna settings, which will put them to the maximum signal strength. The goal is to increase the transmission speed of the digital stream. The system will allow to achieve the assumed bit rates and fully eliminate the loss of BSP control and its loss.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124533383","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
Influence of OCT acquisition on fovea shape analysis in the parameterization applications 参数化应用中OCT采集对中央凹形状分析的影响
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406769
Agnieszka Stankiewicz, T. Marciniak, A. Dabrowski, M. Stopa, Piotr Rakowicz, Elzbieta Marciniak
{"title":"Influence of OCT acquisition on fovea shape analysis in the parameterization applications","authors":"Agnieszka Stankiewicz, T. Marciniak, A. Dabrowski, M. Stopa, Piotr Rakowicz, Elzbieta Marciniak","doi":"10.23919/URSI.2018.8406769","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406769","url":null,"abstract":"This article presents an analysis of the effect of three-dimensional orientation of the optical coherence tomography (OCT) scan on the correctness of determination of parameters describing the shape of the human eye retina. The issue of changes in orientation occurs mainly when the ophthalmologist compares the progression of lesions, and the OCT examinations were performed under different acquisition conditions. The authors investigated the impact of the acquisition on the correctness of fovea pit contour (FPC) determination. Experimental research was based on three-dimensional scans of healthy people for whom measurements were made with the use of Optopol REVO NX device.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123623143","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
A body-shadowing model for off-body and body-to-body communications 用于身体外和身体对身体通信的身体阴影模型
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406703
K. Turbic, S. Ambroziak, L. Correia
{"title":"A body-shadowing model for off-body and body-to-body communications","authors":"K. Turbic, S. Ambroziak, L. Correia","doi":"10.23919/URSI.2018.8406703","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406703","url":null,"abstract":"This paper presents a simple model for body-shadowing in off-body and body-to-body channels. The model is based on a body shadowing pattern associated with the on-body antenna, represented by a cosine function whose amplitude parameter is calculated from measurements. This parameter, i.e the maximum body-shadowing loss, is found to be linearly dependent on distance. The model was evaluated against a set of off-body channel measurements at 2.45 GHz in an indoor office environment, showing a good fit. The coefficient of determination obtained for the linear model of the maximum body-shadowing loss is greater than 0.6 in all considered scenarios, being higher than 0.8 for the ones with a static user.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130237121","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: 7
Impact of chronic exposure to static, high voltage electric field generated nearby HVDC transmission lines on behavior of rats 长期暴露于高压直流输电线路附近产生的静电高压电场对大鼠行为的影响
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406688
G. Cieślar, P. Sowa, Karolina Sieroń, A. Sieroń
{"title":"Impact of chronic exposure to static, high voltage electric field generated nearby HVDC transmission lines on behavior of rats","authors":"G. Cieślar, P. Sowa, Karolina Sieroń, A. Sieroń","doi":"10.23919/URSI.2018.8406688","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406688","url":null,"abstract":"The impact of chronic, whole-body exposure to static electric field with physical parameters generated nearby HVDC transmission lines on behavior in rats was investigated. Rats were exposed for 56 consecutive days (8 hours daily) to static electric field with intensity of 16 and 25 kV/m or sham-exposed, respectively. Before the beginning and then in particular days of the exposure cycle an evaluation of a locomotor activity, exploratory activity, space learning and irritability was made. Only a transient reduction of locomotor activity in the initial phase of exposure cycle without any effect on exploratory activity, space learning and irritability was observed.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128747819","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
Influence of thermometric characteristics on accuracy of junction temperature measurements of laboratory made SiC Schottky diodes 测温特性对实验室自制SiC肖特基二极管结温测量精度的影响
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406709
P. Górecki, K. Górecki, R. Kisiel, M. Myśliwiec
{"title":"Influence of thermometric characteristics on accuracy of junction temperature measurements of laboratory made SiC Schottky diodes","authors":"P. Górecki, K. Górecki, R. Kisiel, M. Myśliwiec","doi":"10.23919/URSI.2018.8406709","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406709","url":null,"abstract":"In this paper results of measurements of thermometric characteristics of silicon carbide Schottky diodes are presented. Such characteristics are used to measure junction temperature of semiconductor devices by means of the indirect electrical method. The examined diodes are described and obtained results of thermal and electrical measurements are presented. The influence of measurement current on the thermometric characteristics is studied. Junctions' temperature estimation errors are in depth studied and described.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130376640","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
Segmentation of pedestrians in thermal imaging 热成像中的行人分割
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406765
Karol Piniarski, P. Pawlowski
{"title":"Segmentation of pedestrians in thermal imaging","authors":"Karol Piniarski, P. Pawlowski","doi":"10.23919/URSI.2018.8406765","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406765","url":null,"abstract":"Image segmentation is one of crucial stages of video processing used for detection of pedestrians in infrared (IR) vision. The paper presents a study of passive (typically far IR) technologies for IR vision and an analysis of the state-of-the-art in the extraction of information from IR images. A deep testing of segmentation methods was performed for IR images with a specially prepared benchmark of 162 IR video frames with pedestrians. The initial tests included two segmentation methods: the single threshold and the Otsu method. The obtained results are promising as the effectiveness reaches ca. 82% for both techniques.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131827909","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: 5
System loss analysis in body area networks with space diversity scheme 基于空间分集的体域网络系统损耗分析
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406699
S. Wiszniewski, S. Ambroziak
{"title":"System loss analysis in body area networks with space diversity scheme","authors":"S. Wiszniewski, S. Ambroziak","doi":"10.23919/URSI.2018.8406699","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406699","url":null,"abstract":"This paper presents an analysis of the system loss in dynamic off-body communications, based on measurements performed at 2.45 GHz in an office environment. The localization and number of the antennas on a human body influence on the power of received signal. The configuration of two antennas mounted on the different part on human body ensure the higher probability to receive signal with good quality independently to the position of the antennas. The measurement equipment and measurement procedures are described. The mean system loss is in the range of 54.42 dB and 64.28 dB. The difference coefficient between mean values of system loss corresponding to two wearable antennas is in the range of 0.69 dB and 8.76 dB. The standard deviation of the mean system loss is in the range of 6.46 dB and 7.39 dB. Measured correlation coefficient between signal received by two wearable antennas for each scenario is in the range [−1.25.10−3, −1.01· 0−1]. The statistical analysis showed that using space diversity scheme can ensure better quality of the received signal.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134319427","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
BCI interface — New opportunities and hopes for the disabled. An overview of available solutions BCI接口——残疾人的新机会和希望。可用解决方案的概述
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406697
E. Sobotnicka, A. Sobotnicki
{"title":"BCI interface — New opportunities and hopes for the disabled. An overview of available solutions","authors":"E. Sobotnicka, A. Sobotnicki","doi":"10.23919/URSI.2018.8406697","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406697","url":null,"abstract":"Just a few years ago, it was unimaginable for us that there might be a way to devise a direct connection between the human brain and computer. The process of building fully functional, cybernetic brain-computer communication interfaces (BCI) is currently attracting more and more attention. Automatic performance of activities by means of BCI technology is possible owing to appropriate acquisition and processing of mind signals. State-of-the-art interfaces which do not require human physical activity (in the context of healthcare) provide an opportunity for the disabled to live independent lives. This paper aims to present and evaluate the potential of the available brain-computer interfaces in terms of incentivizing people with disabilities to lead independent lives.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123893217","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
Impact of high frequency electromagnetic field generated by mobile phone on prooxidant antioxidant balance in stomach of rats 手机高频电磁场对大鼠胃促氧化抗氧化平衡的影响
2018 Baltic URSI Symposium (URSI) Pub Date : 2018-05-15 DOI: 10.23919/URSI.2018.8406689
Karolina Sieroń, A. Sieroń, G. Cieślar, P. Sowa
{"title":"Impact of high frequency electromagnetic field generated by mobile phone on prooxidant antioxidant balance in stomach of rats","authors":"Karolina Sieroń, A. Sieroń, G. Cieślar, P. Sowa","doi":"10.23919/URSI.2018.8406689","DOIUrl":"https://doi.org/10.23919/URSI.2018.8406689","url":null,"abstract":"The impact of electromagnetic field generated by mobile phone (f=900 MHz) on the prooxidant antioxidant balance in stomach tissue of male rats was estimated by means of analysis of the contents of markers of oxidative stress and lipid peroxidation as well as the activity of selected antioxidant enzymes. It was concluded that 4-week lasting exposure of rats to high frequency electromagnetic field emitted by mobile phone causes a slight inhibition of the activity of some antioxidant enzymes (probably due to excessive consumption) without significant changes in the activity of oxidant processes in stomach tissue, enabling the maintenance of prooxidant antioxidant balance.","PeriodicalId":362184,"journal":{"name":"2018 Baltic URSI Symposium (URSI)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124144401","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
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