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Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)最新文献

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Single-resistance-controlled sinusoidal oscillators employing single FTFN and grounded capacitors 采用单fftn和接地电容器的单电阻控制正弦振荡器
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986326
O. Cicekoglu, U. Cam, H. Kuntman
{"title":"Single-resistance-controlled sinusoidal oscillators employing single FTFN and grounded capacitors","authors":"O. Cicekoglu, U. Cam, H. Kuntman","doi":"10.1109/MWSCAS.2001.986326","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986326","url":null,"abstract":"In this study new single-resistance controlled sinusoidal oscillator topologies are proposed. All of the proposed oscillators use single FTFN, two grounded capacitors which is suitable for IC implementation, and five resistors. They have passive sensitivities less than unity. The oscillators provide non-interactive control of oscillation condition and oscillation frequency and they can easily be converted to voltage-controlled oscillators. Theoretical analyses are verified with PSPICE simulations.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131525880","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 method of disturbance detection and identification 一种干扰检测与识别方法
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986282
M. Karimi-Ghartemani, M. Iravani
{"title":"A method of disturbance detection and identification","authors":"M. Karimi-Ghartemani, M. Iravani","doi":"10.1109/MWSCAS.2001.986282","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986282","url":null,"abstract":"This paper introduces an on-line disturbance detection and identification approach. The proposed approach detects voltage disturbances and discriminates the type of event which has resulted in the disturbance. The proposed approach is significantly faster and more precise in detecting and discriminating the type of disturbance events than conventional approaches.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"2020 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131676015","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
Detection of late potentials in electrocardiogram signals in both time and frequency domains using artificial neural networks 利用人工神经网络在时频域检测心电图信号的晚电位
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986257
I. C. Baykal, Alper Yilmaz, H. Kwan
{"title":"Detection of late potentials in electrocardiogram signals in both time and frequency domains using artificial neural networks","authors":"I. C. Baykal, Alper Yilmaz, H. Kwan","doi":"10.1109/MWSCAS.2001.986257","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986257","url":null,"abstract":"Electrocardiogram (ECG) signals of patients who suffered damage in their myocardium may contain high-frequency low amplitude signals called ventricular late potentials (LPs), which occur at the end of the QRS complex. Although LPs alone can not be used as a predictor of arrhythmic events and sudden cardiac death, there is a 95% probability that there will be no more complications for patients who do not have LPs in their ECG signals. Last 40 msecs of the QRS segment is fed to an artificial neural network (ANN) along with the three time domain parameters, which are used as a standard of predicting LPs. Fourier transform of last 80 msecs of the QRST segment is fed to another ANN along with these three criteria in order to overcome the problem of locating QRS endpoint, and performances of these two networks are compared in the case of misdetection of QRS end points.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133119646","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
Averaging correlation for C/A code acquisition and tracking in frequency domain 平均相关的C/A码采集和跟踪在频域
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986334
J. Starzyk, Z. Zhu
{"title":"Averaging correlation for C/A code acquisition and tracking in frequency domain","authors":"J. Starzyk, Z. Zhu","doi":"10.1109/MWSCAS.2001.986334","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986334","url":null,"abstract":"This paper describes a new software method called \"averaging correlation\" to do block level GPS C/A code acquisition and tracking in frequency domain with smaller FFT blocks. The method retains the signal to noise ratio observed in more expensive correlators. Frequency domain software processing will become more feasible and popular if this method is implemented in civil GPS receivers.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133501835","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: 70
A high-frequency single-side PWM multiple bus distributed power system 高频单侧PWM多母线分布式电源系统
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986351
L. Hua, S. Luo, I. Batarseh
{"title":"A high-frequency single-side PWM multiple bus distributed power system","authors":"L. Hua, S. Luo, I. Batarseh","doi":"10.1109/MWSCAS.2001.986351","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986351","url":null,"abstract":"The design consideration and implementation of a high frequency (HF) PWM-wave bus distributed power system (DPS) is presented. The system utilizes a 100 kHz, 48 V peak PWM bus for AC voltage distribution. The load converter consists of different level output magamps post-regulators. Bus regulation is accomplished through a simplified front-end design consisting of a boost PFC converter cascaded with a two-switch forward converter. Experimental results are presented for operation at 5 V DC and 3.3 V DC with 200 W output.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122804480","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
Musings on circuit Q 关于电路Q的思考
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986129
A. Lozowski, P. Aronhime, Tongfeng Qian
{"title":"Musings on circuit Q","authors":"A. Lozowski, P. Aronhime, Tongfeng Qian","doi":"10.1109/MWSCAS.2001.986129","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986129","url":null,"abstract":"Most second-order continuous-time signal processing circuits, whether voltage-mode, current-mode, or mixed-mode, should be capable of realizing Qs greater than 1/2. However, a number of otherwise interesting circuits have been proposed in the literature which do not have this attribute. In this paper, we show a simple procedure for determining whether Q can be made greater than 1/2 for certain circuits. For other circuits, we develop a more involved procedure for this determination.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124506153","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
High throughput robust transversal adaptive filter based on t distribution assumption 基于t分布假设的高通量鲁棒横向自适应滤波器
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986128
J. Sanubari, K. Tokuda
{"title":"High throughput robust transversal adaptive filter based on t distribution assumption","authors":"J. Sanubari, K. Tokuda","doi":"10.1109/MWSCAS.2001.986128","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986128","url":null,"abstract":"In this paper, a new robust transversal adaptive filter with high throughput is proposed. The updating of coefficient of the filter is determined based on assuming that the error signal is a t-distribution with a degree of freedom. Small weighting is assigned to the signal portion with large amplitude, while large weighting factor is used for the signal part with small amplitude. By doing so, the effect of large amplitude signal parts to the performance of the adaptive filter is suppressed. To obtain fast convergence, the RLS-like approach is applied to solve the updating step. To reduce the calculation burden, the calculation to determine the updating step is done in four sampling instants. Decomposing the updating algorithm into four steps does it. Our simulation results show that by doing so, we can obtain fast convergence and high throughput algorithm. Thus, the algorithm can be implemented by using a limited number of low-cost processor elements while preserving the throughput.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124574364","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 digitally controlled CMOS RF power amplifier 一种数字控制CMOS射频功率放大器
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986316
M. Hella, M. Ismail
{"title":"A digitally controlled CMOS RF power amplifier","authors":"M. Hella, M. Ismail","doi":"10.1109/MWSCAS.2001.986316","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986316","url":null,"abstract":"This paper presents the design, and implementation of an RF power amplifier in a standard 0.35 /spl mu/m CMOS technology. The amplifier is capable of delivering 16.5 dBm of output power at 1.85 GHz using a 3.3 V supply with an overall measured power added efficiency (PAE) of 30%. The power amplifier employs a class AB output stage, which represents a compromise between efficiency and linearity. Measurement results of the fabricated chip are included.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121296592","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
High frequency models of PCB-based transformers 基于pcb的变压器的高频模型
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986307
C.M. Arturi, A. Gandelli
{"title":"High frequency models of PCB-based transformers","authors":"C.M. Arturi, A. Gandelli","doi":"10.1109/MWSCAS.2001.986307","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986307","url":null,"abstract":"An equivalent network of PCB-based transformers with two windings is presented for use at high frequency (some MHz). After raising some criticisms to the traditional high frequency transformer model, a systematic procedure is presented to deduce the inductive and the capacitive coupling model of a two windings transformer. Furthermore, the model parameters are identified and frequency response of the voltage gain is evaluated.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128667811","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
Current-mode multiple-valued logic circuits implementing the SRT division algorithm 实现SRT除法算法的电流模式多值逻辑电路
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986180
M. Conti, Pietro Nocchi, C. Turchetti
{"title":"Current-mode multiple-valued logic circuits implementing the SRT division algorithm","authors":"M. Conti, Pietro Nocchi, C. Turchetti","doi":"10.1109/MWSCAS.2001.986180","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986180","url":null,"abstract":"This paper presents the implementation of the radix-4 SRT division algorithm using multiple-valued current-mode circuits. The quotient selection has been implemented using a current-mode analog multiplier. The circuits have been designed and simulated on a 0.8 micron CMOS technology.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128405626","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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