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TENCON 2007 - 2007 IEEE Region 10 Conference最新文献

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A three-leg fuel-cell boost converter with novel digital-signal-processor based pulse-width modulation 基于脉冲宽度调制的新型数字信号处理器的三腿燃料电池升压变换器
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428847
Jonq-Chin Hwang, Li-Hsiu Chen, S. Yeh
{"title":"A three-leg fuel-cell boost converter with novel digital-signal-processor based pulse-width modulation","authors":"Jonq-Chin Hwang, Li-Hsiu Chen, S. Yeh","doi":"10.1109/TENCON.2007.4428847","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428847","url":null,"abstract":"This paper presents the development of a three-leg fuel cell boost converter. To meet the power conditioning requirements for fuel cells, multi-leg converters with phase interleaving pulse-width modulation is one of the popular solutions. Implementing the interlacing pulse-width modulation needs phase-lock circuits, however most digital signal processors don't support this function. The presented novel phase-interleaving pulse-width modulation minimizes the number of timer to one, and is especially useful for digital signal processors without phase locking support. Finally, experimental results of a 1200 W prototype are given to justify the feasibility of the presented pulse-width modulation through a digital signal processor without the phase locking function, TMS320F2812.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114590192","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
Compact wideband microstrip-line-fed rhombus- like slot antenna with extended edges 紧凑的宽带微带馈线菱形槽天线，边缘延伸
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428881
J. Jan, Donghua Wu
{"title":"Compact wideband microstrip-line-fed rhombus- like slot antenna with extended edges","authors":"J. Jan, Donghua Wu","doi":"10.1109/TENCON.2007.4428881","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428881","url":null,"abstract":"The printed simple wideband rhombus-like slot antenna with a pair of extended edges is proposed and studied experimentally. In this design, it is found that the impedance bandwidth of the proposed antenna can be larger than that of without extended edges. Also, the operating center frequency of the proposed wideband antenna can be lower and this makes the antenna size relatively get smaller than the typical one. From experimental results, the proposed antenna has the similar performance of antenna characteristics to a typical rhombus slot antenna.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115072958","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
Source code flow optimization for H.264/AVC video decoder implementing on a low-cost embedded system platform H.264/AVC视频解码器在低成本嵌入式系统平台上实现的源代码流优化
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428899
Chih-Hung Kuo, G. Huang, Li-Chuan Chang, Bin-Da Liu
{"title":"Source code flow optimization for H.264/AVC video decoder implementing on a low-cost embedded system platform","authors":"Chih-Hung Kuo, G. Huang, Li-Chuan Chang, Bin-Da Liu","doi":"10.1109/TENCON.2007.4428899","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428899","url":null,"abstract":"In H.264/AVC reference software, the decoding process outputs the 4x4 block data from components of the intra prediction and motion compensation to the external memory. The processed data in IDCT&IQ will be transferred to external memory. When applying the de-blocking filter process, the data in external memory will be loaded to de-blocking filter and processed data stored back to external memory again. Therefore, the decoding process in reference software wastes a lot of time on unnecessary memory access. In this paper, we use a 4x4 block as an operation unit in the decoding process to reduce memory access. The processing order is changed in the de-blocking filter to be based on decoding order of 4x4 block. By using our proposed method, the average decoding MIPS of one frame are improved by about 3.6 times faster as shown in the simulation results.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116316813","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
EOG single switch morse code translate input device for individuals with the motor neuron disease 运动神经元疾病患者EOG单开关莫尔斯电码翻译输入装置
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428875
Chung-Min Wu, Ke-Guei Huang, Shei-Hsi Chang, Shu-Ching Hsu, Ching-Ling Lin
{"title":"EOG single switch morse code translate input device for individuals with the motor neuron disease","authors":"Chung-Min Wu, Ke-Guei Huang, Shei-Hsi Chang, Shu-Ching Hsu, Ching-Ling Lin","doi":"10.1109/TENCON.2007.4428875","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428875","url":null,"abstract":"This study purposes to provide EOG single switch Morse code translate input device for individuals with the motor neuron disease, such as amyotrophic lateral sclerosis. In this study, the unstable signal is transformed to standard logic level by EOG baseline tracing algorithm in the microprocessor, and the outputs unstable Morse code sequences are recognized by the sliding fuzzy recognition algorithm. The results demonstrate the unstable Morse code sequences can recognize successful by the sliding fuzzy algorithm and translated into readable characters. The disabled can input Morse code with their eyes to operate the computer and household appliances, such as lamps, fans, TV. Therefore, this study provides a useful assistive tool for a user with the motor neuron disease to communicate with the general public.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124012013","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: 10
Novel Wideband CMOS LNA with only an inductor as input matching network 新型宽带CMOS LNA，仅用电感作为输入匹配网络
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4429123
Zi-Hao Hsiung, Hui-I Wu, C. Jou
{"title":"Novel Wideband CMOS LNA with only an inductor as input matching network","authors":"Zi-Hao Hsiung, Hui-I Wu, C. Jou","doi":"10.1109/TENCON.2007.4429123","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4429123","url":null,"abstract":"A 3-8 GHz wide-band low noise amplifier with novel input matching mechanism is presented in this letter. The proposed circuit uses transistor's intrinsic capacitor Cgd and only one inductor as input matching network to achieve a measured -10 dB input reflection coefficient from 2.75 GHz to 12 GHz. The fabricated wideband LNA achieves a measured average power gain (S21) of about 10 dB and noise figure of 3.64-5.5 dB from 2.75 to 7.5 GHz.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125856701","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
Design of dual-mode SIW cavity filters 双模SIW腔滤波器的设计
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428877
C. Chuang, Hung-Hsuan Lin, Chin-Li Wang
{"title":"Design of dual-mode SIW cavity filters","authors":"C. Chuang, Hung-Hsuan Lin, Chin-Li Wang","doi":"10.1109/TENCON.2007.4428877","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428877","url":null,"abstract":"For designing the dual-mode substrate-integrated waveguide (SIW) cavity filters, new methods of generating intra-cavity couplings and transmission zeros are presented. Two adjustment techniques for refining the frequency responses are also presented. Compared with a conventional four-pole quadruplet filter, a proposed four-pole dual-mode coupled-cavity filter can provide two additional transmission zeros, which enhance the side-band rejection. A 24-GHz SIW cavity filter with a symmetrical frequency response was designed using the new methods and fabricated using LTCC multilayer process.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125880662","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: 27
Evidentiary effect on electronic records- legal issues on wiretapping of the skype phone 电子记录的证据效应——关于skype电话窃听的法律问题
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428797
T. Cheng, Sung-Min Lin, Chih-Yuan Huang
{"title":"Evidentiary effect on electronic records- legal issues on wiretapping of the skype phone","authors":"T. Cheng, Sung-Min Lin, Chih-Yuan Huang","doi":"10.1109/TENCON.2007.4428797","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428797","url":null,"abstract":"Many countries made related legislation on communication wiretapping as a way of obtaining evidence against criminal activities. We elaborate the technology of the PC-to-PC Internet Phone used in the Skype and discuss the characteristics and validity of the electronic records and its evidentiary effect. The analysis on electronic records is important to determine the legal impact along with the technology advances.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129437875","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
ATCB: A QoS guarantee mechanism in the optical burst switching internet backbone ATCB:在光突发交换互联网骨干网中的一种QoS保证机制
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428968
Haw-Yun Shin, Feng-Ming Yang
{"title":"ATCB: A QoS guarantee mechanism in the optical burst switching internet backbone","authors":"Haw-Yun Shin, Feng-Ming Yang","doi":"10.1109/TENCON.2007.4428968","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428968","url":null,"abstract":"In this paper, we investigate how the quality of service (QoS) can be guaranteed and reliable transmission can be supported in the OBS-based Internet backbone. We propose the adjustable-time-counter-based (ATCB) burst assembly and the non-real time packet retransmission mechanisms, and apply them in the ingress router of the OBS Internet backbone to guarantee the quality of real time applications and lossless requirement of non-real time services. Simulation results show that the burst blocking probability using the ATCB burst assembly, compared with that using the time-counter-based (TCB) and burst-length-threshold-based (BLTB) mechanisms, acquires an improvement. The delay, loss and jitter of real time service conform to the QoS requirement. Meanwhile, the delay of non-real time service also falls in the acceptable range.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129876501","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
Estimation of power quality using an unscented Kalman filter 用无气味卡尔曼滤波估计电能质量
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428870
Jian Zhang, A. Swain, N. Nair, J.J. Liu
{"title":"Estimation of power quality using an unscented Kalman filter","authors":"Jian Zhang, A. Swain, N. Nair, J.J. Liu","doi":"10.1109/TENCON.2007.4428870","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428870","url":null,"abstract":"The present study proposes a novel method of tracking the time varying frequency and amplitude of a distorted power frequency signal using an unscented Kalman filter (UKF). The UKF is a derivative free estimator which does not compute Jacobian matrices and therefore offers significant computational advantages over the extended Kalman filter (EKF). A new model structure is proposed for estimation of amplitude and frequency. The performance of UKF has been compared with those of EKF considering signals which can represent worst case measurement and network conditions in a typical power system. Results of simulation demonstrate that under identical conditions, the performance of both UKF and EKF are similar with less computations with UKF.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"471 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128371032","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: 23
eLearning in Thailand - a survey of social and cultural issues 泰国的电子学习——对社会和文化问题的调查
TENCON 2007 - 2007 IEEE Region 10 Conference Pub Date : 2007-10-01 DOI: 10.1109/TENCON.2007.4428788
K. Nagi, Firouz B. Anaraki, Dr. Poonphon Suesawaluk
{"title":"eLearning in Thailand - a survey of social and cultural issues","authors":"K. Nagi, Firouz B. Anaraki, Dr. Poonphon Suesawaluk","doi":"10.1109/TENCON.2007.4428788","DOIUrl":"https://doi.org/10.1109/TENCON.2007.4428788","url":null,"abstract":"After centuries of little change, the role of the Guru or a teacher as it has been traditionally defined and practiced in Asia is on the verge of becoming an anachronism. Now it is Google, not the Guru who has all answers to the questions of life and learning. New and emerging eLearning and mLearning technologies are harnessing the power of Internet at a very fast pace. eLearning is bringing dramatic changes in the educational landscape and is transforming the breadth, depth and quality of learning in Thai institutions. The learner-centricity is becoming a key facet in the rapid growth in the number of new learning organizations, learning management systems, eLearning tools, technologies and services in Thailand. This paper reflects on the old educational practices and current trends in eLearning in Thai institutions, particularly the universities and examines the growth of new and emerging technologies that will provide profound and exciting learning opportunities for the students in Thailand and rest of the South East Asia.","PeriodicalId":384583,"journal":{"name":"TENCON 2007 - 2007 IEEE Region 10 Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128449938","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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