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An automatic window washer 自动擦窗机
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6295006
Chien-Nan Lee, Li-Lin Chen, Kai‐Teng Jheng, Jheng-Guo Pan, Yi-Syong Su
{"title":"An automatic window washer","authors":"Chien-Nan Lee, Li-Lin Chen, Kai‐Teng Jheng, Jheng-Guo Pan, Yi-Syong Su","doi":"10.1109/CSQRWC.2012.6295006","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6295006","url":null,"abstract":"Recently, incidents in which window washers have fallen during jobs have been reported in Taiwan. If a robot could replace manual window washing labor, accidents would be prevented and window washing costs would decrease. After rain, a certain amount of water remains on windows; consequently, if a robot existed that could automatically wash windows directly after rain, window cleanliness would be maintained and unnecessary manual labor costs would be reduced. Our window washing device can detect whether it is raining. When rain starts, the raindrop sensor is triggered, and the system's screen displays that it is raining. When rain stops, the system begins to automatically wash windows, or users can start the window washing function manually. It also automatically washes windows when window glass becomes foggy and records time.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123440234","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
MIMO antenna with enhanced isolation elements for USB dongle applications MIMO天线具有增强的隔离元件，适用于USB加密狗应用
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6294983
Wen‐Shan Chen, Ke-Ming Lin, Fa-Shian Chang
{"title":"MIMO antenna with enhanced isolation elements for USB dongle applications","authors":"Wen‐Shan Chen, Ke-Ming Lin, Fa-Shian Chang","doi":"10.1109/CSQRWC.2012.6294983","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6294983","url":null,"abstract":"This paper proposes a PIFA type MIMO antenna at WLAN band for dongle application. The MIMO antenna consists of two identical PIFA antennas on both ends of an FR4 substrate and operates a frequency band at 2.45 GHz. A T-shaped element that is extended from system ground and a neutral line located on back side of the substrate are used to increase isolation between the two PIFAs. The neutral line is connected with the PIFAs through two connected holes. The isolation mechanism will be discussed in this article. The MIMO antenna occupies an antenna portion of 15 mm × 15 mm and a system ground of 15 mm × 40 mm. The overall dimension of 15 mm × 55 mm can be easily applied in the dongle element.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124938882","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
Microstrip patch antenna with differential L-Probe Fed For Wideband Application 宽频带差分l探针馈电微带贴片天线
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6295000
Li Gao, K. Wang, H. Lai, K. So, H. Wong, Q. Xue, Xiu Yin Zhang
{"title":"Microstrip patch antenna with differential L-Probe Fed For Wideband Application","authors":"Li Gao, K. Wang, H. Lai, K. So, H. Wong, Q. Xue, Xiu Yin Zhang","doi":"10.1109/CSQRWC.2012.6295000","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6295000","url":null,"abstract":"A broadband patch antenna is presented for in this letter. It consists of two layers of substrate. The patch located at the top layer of the upper substrate for radiation while the ground plane located at the bottom layer of the lower one. Two differential L-probe are embedded in the lower substrate to obtain a wide impedance bandwidth (SWR <; 2) of 92.7%. Meanwhile, good radiation patterns are achieved with the cross-polarization is lower than -20dB across the operating bandwidth.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122080114","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
Quad-band dual-mode resonator with dual-square-loop for WLAN and WiMAX systems 用于WLAN和WiMAX系统的双方环路四频带双模谐振器
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6295005
Ji-Chyun Liu, F. Huang, C. Kuei
{"title":"Quad-band dual-mode resonator with dual-square-loop for WLAN and WiMAX systems","authors":"Ji-Chyun Liu, F. Huang, C. Kuei","doi":"10.1109/CSQRWC.2012.6295005","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6295005","url":null,"abstract":"We propose the improved configurations with dual-mode dual-square-loop resonators (DMDSLR) for quad-band applications. The resonant frequency equations of DMDSLR are introduced for simply designing quad-band bandpass filter (BPF). Resonant frequencies can be controlled by tuning the perimeter ratio of the square loops. To obtain lower insertion loss, higher out-of-band rejection level and wider bandwidth of quad-band, the improved dual-mode perturbations are designed. The proposed filter is successfully simulated and measured showing frequency responses and current distributions. It can be applied to WLAN and WiMAX GHz systems.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117292181","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
Analysis of transient scattering from arbitrarily shaped conducting body coated with thin layer lossy material 薄层损耗材料覆盖任意形状导体体的瞬态散射分析
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6294957
F. Wang, M. Xia, H. M. Li
{"title":"Analysis of transient scattering from arbitrarily shaped conducting body coated with thin layer lossy material","authors":"F. Wang, M. Xia, H. M. Li","doi":"10.1109/CSQRWC.2012.6294957","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6294957","url":null,"abstract":"A time domain integral equation (TDIE) approach combined with volume equivalence principle is developed for analysis of transient scattering from an arbitrarily shaped 3D conducting body coated with a thin layer of lossy material. The method of marching on-in time (MOT) is used to solve the discretized integral equation. Numerical results demonstrate that the proposed procedure is stable and accurate.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"247 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115110440","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
Development of a broadband output circuit for a Ku-band Extended Interaction Klystron ku波段扩展交互速调管宽带输出电路的研制
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6294986
Haibing Ding, Yao-gen Ding, Xiaoxin Sun, Ke Tang
{"title":"Development of a broadband output circuit for a Ku-band Extended Interaction Klystron","authors":"Haibing Ding, Yao-gen Ding, Xiaoxin Sun, Ke Tang","doi":"10.1109/CSQRWC.2012.6294986","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6294986","url":null,"abstract":"A broadband output circuit for a 50kW Ku-band Extended Interaction Klystron is developed in the Institute of Electronics, Chinese Academy of Sciences (IECAS) recently. The design, calculation and result of cold test of the output circuit are presented in the paper. The output circuit employs a filter loaded double-gap coupling cavity out section with mode coalescence. In result, a 450MHz bandwidth of the output circuit is got while the impedance R11+R22>;4400Ω.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124058305","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
Preamble reconstruction method for impulsive interference avoidance in MIMO-OFDM receivers MIMO-OFDM接收机中避免脉冲干扰的前导重构方法
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6294968
Tsung-Yeh He, You-Hsien Lin, Tsung-Yu Tsai, Terng-Yin Hsu
{"title":"Preamble reconstruction method for impulsive interference avoidance in MIMO-OFDM receivers","authors":"Tsung-Yeh He, You-Hsien Lin, Tsung-Yu Tsai, Terng-Yin Hsu","doi":"10.1109/CSQRWC.2012.6294968","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6294968","url":null,"abstract":"For wireless packet transmissions, preambles are essential to make packet synchronization function. Impulsive interference not only distorts datum, but also degrades link reliability. To deal with such distortions, a peak-to-average ratio (PAPR) detection is adopted to search impulsive positions and the convolution with the estimated time-domain response is used to recovery the distorted preambles. Simulations of a 2×2 MIMO-OFDM system with RF impairments in frequency-selective fading indicate that the SNR loss is about 2.5 dB ~ 4.6 dB to ensure synchronization working at a signal-to-impulse ratio (SIR) of -10 dB.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123778850","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
Accurate and stable solution of time-domain electric field and magnetic field integral equation using marching-on-in-time method 用实时进步法精确稳定地求解时域电场和磁场积分方程
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6294961
Miao-miao Jia, Yanwen Zhao, Yu-teng Zheng, Tao Liu
{"title":"Accurate and stable solution of time-domain electric field and magnetic field integral equation using marching-on-in-time method","authors":"Miao-miao Jia, Yanwen Zhao, Yu-teng Zheng, Tao Liu","doi":"10.1109/CSQRWC.2012.6294961","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6294961","url":null,"abstract":"To suppress late-time oscillation in time marching algorithms of solution of time domain electric(TDEFIE) and magnetic field integral equation (TD-MFIE), it needs to accurately evaluate the time-domain impedance matrix elements and choose the appropriate temporal basis function. The paper accurately computes time-domain impedance matrix elements by transforming space-time integral of the source cell to 1D time convolution and 1D space analytical integral, Numerical results show that the proposed method ensures that the solution of time-domain electric and magnetic integral equation using marching-on-in-time method is stable and accurate.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131372676","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
DOA estimation of wideband signal sources by using PM-CSM on real antenna array 基于PM-CSM的宽带信号源DOA估计
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6295009
Pengcheng Yu, Peng Yang, Feng Yang
{"title":"DOA estimation of wideband signal sources by using PM-CSM on real antenna array","authors":"Pengcheng Yu, Peng Yang, Feng Yang","doi":"10.1109/CSQRWC.2012.6295009","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6295009","url":null,"abstract":"Most coherent signal subspace methods (CSM) need singular-value decomposition (SVD) to construct the focusing matrix and eigenvalue decomposition (EVD) when getting noise subspaces. Furthermore, most focusing methods mainly work on ideal antenna element whose radiation pattern is omnidirectional and identical. In this paper, a novel DOA finding method for wideband sources on real antenna array named PM-CSM which is free of SVD and EVD is introduced. It is based on the combination of propagator method (PM) and CSM. It does not need any initial preliminary estimates information. By using PM-CSM, directions of arrivals can be estimated accurately. Validity of this method is proved by simulation results.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132487095","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
Antenna design for experimental studying the nonlinearity effects on adaptive nulling 天线设计实验研究非线性对自适应消零的影响
CSQRWC 2012 Pub Date : 2012-07-23 DOI: 10.1109/CSQRWC.2012.6295002
Cheng-Nan Hu, Jing-Wei Huang, Chao-Hsiang Liao, D. Chang
{"title":"Antenna design for experimental studying the nonlinearity effects on adaptive nulling","authors":"Cheng-Nan Hu, Jing-Wei Huang, Chao-Hsiang Liao, D. Chang","doi":"10.1109/CSQRWC.2012.6295002","DOIUrl":"https://doi.org/10.1109/CSQRWC.2012.6295002","url":null,"abstract":"This work proposes a dual-band, two-element, PIFA (Planar Inverted-F Antenna) array antenna design for experimental studying the nonlinearity effects on adaptive nulling performance. The agreement between the simulated and measured results validates the design approach.","PeriodicalId":250360,"journal":{"name":"CSQRWC 2012","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125192881","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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