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Research on the third-order intermodulation signal characteristic and demodulation product of communication radio 通信无线电三阶互调信号特性及解调积研究
International Conference on Computer, Information and Telecommunication Systems Pub Date : 1900-01-01 DOI: 10.1109/CITS.2017.8035292
Shiji Yuan, Jun Dong, B. Qiu
{"title":"Research on the third-order intermodulation signal characteristic and demodulation product of communication radio","authors":"Shiji Yuan, Jun Dong, B. Qiu","doi":"10.1109/CITS.2017.8035292","DOIUrl":"https://doi.org/10.1109/CITS.2017.8035292","url":null,"abstract":"The intermodulation interference of communication radio affect the normal communication, in which the third-order intermodulation interference can not be avoided. In this paper, the signal characteristics of the third-order intermodulation interference are studied, and the envelope expression of the third-order intermodulation products of different modulation styles and the mathematical expression of the demodulator are deduced. The conclusion of the interference source signal characteristics can be obtained using the corresponding demodulation method. The actual test results show that the demodulation of third-order intermodulation products of AM and AM signals cannot demodulate the original signal using envelope detector. The demodulation of third-order intermodulation products of FM and FM signals can demodulate the original signal. The demodulation of third-order intermodulation products of AM and FM signals can demodulate the original signal in a particular situation.","PeriodicalId":184855,"journal":{"name":"International Conference on Computer, Information and Telecommunication Systems","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114570470","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 study of segmentation of rubbings image based on OTSU&histogram differential algorithm 基于otsu和直方图差分算法的拓片图像分割研究
International Conference on Computer, Information and Telecommunication Systems Pub Date : 1900-01-01 DOI: 10.1109/CITS.2017.8035328
Yongli Ma, Zhikai Huang
{"title":"The study of segmentation of rubbings image based on OTSU&histogram differential algorithm","authors":"Yongli Ma, Zhikai Huang","doi":"10.1109/CITS.2017.8035328","DOIUrl":"https://doi.org/10.1109/CITS.2017.8035328","url":null,"abstract":"This paper studies the segmentation methods by analyzing the threshold method of rubbings. Firstly, OTSU and fast 2 dimensional OTSU threshold segmentation algorithms are presented, and the segmentation effect of a given image is analyzed. The limitation of OTSU, and fast 2 dimensional OTSU segmentation algorithm are explained. Then the segmentation algorithm is given in conjunction with the histogram, and the segmentation effect is proven effective by experiments. The experimental results show that the OTSU algorithm is difficult to distinguish target and background when their areas are different. The rubbings image segmentation algorithm based on the histogram differential can effectively separate the target from the background.","PeriodicalId":184855,"journal":{"name":"International Conference on Computer, Information and Telecommunication Systems","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122785109","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
The design of an intelligent food consumption data collection and analysis system 设计一种智能食品消费数据采集与分析系统
International Conference on Computer, Information and Telecommunication Systems Pub Date : 1900-01-01 DOI: 10.1109/CITS.2016.7546387
Jiayu Zhuang, Yongen Zhang, Zhemin Li, Wei Chen, Jiajia Liu, Heng Zhang
{"title":"The design of an intelligent food consumption data collection and analysis system","authors":"Jiayu Zhuang, Yongen Zhang, Zhemin Li, Wei Chen, Jiajia Liu, Heng Zhang","doi":"10.1109/CITS.2016.7546387","DOIUrl":"https://doi.org/10.1109/CITS.2016.7546387","url":null,"abstract":"A novel intelligent food consumption data collection and analysis system is presented in this paper. Information collection devices and an analysis system are the two important constituent part of this system which are introduced in detail. We design this system to solve the problems such as statistical and administration departments having difficulty to acquire actual data in resident food consumption, people having demand of healthy diet with the improvement of living standard, and the demand of food safety regulation. The design combines applied techniques including smartphones, intelligent wearable devices and big data. Cloud service is utilized to provide information service after customers' food data are collected.","PeriodicalId":184855,"journal":{"name":"International Conference on Computer, Information and Telecommunication Systems","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132979530","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
K-clique community detection based on union-find 基于并集查找的k -团社区检测
International Conference on Computer, Information and Telecommunication Systems Pub Date : 1900-01-01 DOI: 10.1109/CITS.2014.6878972
Cai Fu, Kang Zhang, Zhicun Fang, Lansheng Han, Jing Chen
{"title":"K-clique community detection based on union-find","authors":"Cai Fu, Kang Zhang, Zhicun Fang, Lansheng Han, Jing Chen","doi":"10.1109/CITS.2014.6878972","DOIUrl":"https://doi.org/10.1109/CITS.2014.6878972","url":null,"abstract":"As network community becoming increasingly complicated, the effective and fast community detection algorithm gets more important in network analysis. In this paper, a improved k-clique detection algorithm based on union-find structure is proposed, the time efficiency of community discovery in highly overlapped complex network is improved and it is possible to divide all communities within approximately linear time complexity. In this algorithm, we use union-find structure to store divided communities and reduce the number of unnecessary intersection test. The experiments result on the real data sets show that the algorithm is reasonable and effective, and its time efficiency is better than other overlapping community algorithms.","PeriodicalId":184855,"journal":{"name":"International Conference on Computer, Information and Telecommunication Systems","volume":"371 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116539640","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
An error correction method with adaptive time slot for AGV's magnet-induced marker sensor AGV磁致标记传感器自适应时隙误差校正方法
International Conference on Computer, Information and Telecommunication Systems Pub Date : 1900-01-01 DOI: 10.1109/CITS.2016.7546419
Guangyong Yang, Lin Cui, Shan Chong
{"title":"An error correction method with adaptive time slot for AGV's magnet-induced marker sensor","authors":"Guangyong Yang, Lin Cui, Shan Chong","doi":"10.1109/CITS.2016.7546419","DOIUrl":"https://doi.org/10.1109/CITS.2016.7546419","url":null,"abstract":"Accumulative error which derived from spurious triggering, improper handling or exceptional cases with magnet-induced marker sensor could be parsed as erroneous marker commands. To ensure the extremely high reliability and real-time operation performance of Automated Guided Vehicle (AGV), an error correction method with adaptive time slot along with operation speed was applied to AGV's marker command analysis task. Experiments and tests shown that the opposed method have guaranteed safety in working operations and swiftly decreased the marker sensor's error rate.","PeriodicalId":184855,"journal":{"name":"International Conference on Computer, Information and Telecommunication Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115151978","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
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