Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093)最新文献_第4页

Maximum likelihood DOA estimation by real-valued genetic algorithm 实数遗传算法的最大似然DOA估计

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894972

Wei Yan, Zhaoda Zhu

引用次数: 8

Updating the focusing matrix for the DOA estimation of moving sources 运动源DOA估计中聚焦矩阵的更新

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894985

Munhyoung Cho, J. Chun

引用次数: 2

Predicate ranking algorithms and their application in an inductive logic programming system 谓词排序算法及其在归纳逻辑规划系统中的应用

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894891

Madhavi Yeleswarapu, J. Seitzer

{"title":"Predicate ranking algorithms and their application in an inductive logic programming system","authors":"Madhavi Yeleswarapu, J. Seitzer","doi":"10.1109/NAECON.2000.894891","DOIUrl":"https://doi.org/10.1109/NAECON.2000.894891","url":null,"abstract":"Inductive logic programming (ILP) is a form of machine learning that induces rules from data using the language and syntax of logic programming. A rule construction algorithm forms rules that summarize data sets. These rules can be used in a large spectrum of data mining activities. In ILP, the rules are constructed with a target predicate as the consequent, or head, of the rule, and with high-ranking literals forming the antecedent, or body, of the rule. The predicate rankings are obtained by applying predicate ranking algorithms to a domain (background) knowledge base. We present three new predicate ranking algorithms for the inductive logic programming system, INDED (pronounced \"indeed\"). The algorithms use a grouping technique employing basic set theoretic operations to generate the rankings. We also present results of applying the ranking algorithms to several problem domains, some of which are universal like the classical genealogy problem and others, not so common. In particular, diagnosis is the main thread of many of our experiments. Here, although our experimentation relates to medical diagnosis in diabetes and Lyme disease, many of the same techniques and methodologies can be applied to other forms of diagnosis including system failure, sensor detection, and trouble-shooting.","PeriodicalId":171131,"journal":{"name":"Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130775804","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

New millennium ultralow power microsystems 新千年超低功耗微系统

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894946

K. Shenai

{"title":"New millennium ultralow power microsystems","authors":"K. Shenai","doi":"10.1109/NAECON.2000.894946","DOIUrl":"https://doi.org/10.1109/NAECON.2000.894946","url":null,"abstract":"Mixed-signal electronics form the core of spacecraft avionics systems. Low-power operation is a key design objective to reduce dependence on stored energy or energy extraction systems. To facilitate low-power operation. The supply voltage of mixed-signal systems has progressively diminished to typical present values of 3.5 V to 3.6 V. Low voltage design, however, increases susceptibility to noise interference and reduces the range of analog linear gain. Moreover, as transistor density and circuit complexity increase, traditional power minimization methods are inadequate. In this paper we present results of several approaches to enable low-power mixed-signal electronics for spacecraft avionics and commercial telecommunications. First, at the architectural level we analyze a dynamic voltage scaling approach that delivers local isolation of bus noise and a power reduction of 50% to 95%. Next, to enable in-situ, real-time power sensing we introduce two sensors that monitor di/dt and dv/dt events. Their design, scaling, and sensitivity are discussed in detail. Finally, as an example of a low-voltage compatible analog circuit we present results of a low-noise differential analog-to-digital comparator. It operates at speeds to over 50 MHz, has per-comparator power dissipation under 1 mW, and can operate at supply voltages down to 1.9 V. All circuits have been designed and analyzed for a 0.5-/spl mu/m CMOS, and analytical and experimental results are given.","PeriodicalId":171131,"journal":{"name":"Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121242168","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

Power supply design for performance and reliability 电源设计的性能和可靠性

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894956

K. Shenai, P. Singh, S. Rao, D. Sorenson, K. Chu, G. Gaylon

引用次数: 9

A novel beamformer with multipath signal reception 一种新型多径信号接收波束形成器

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894973

T. Lin

引用次数: 8

An evaluation framework for power electronic device models using decision making under uncertainties 基于不确定决策的电力电子设备模型评估框架

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894958

C.J. Kim, P. Bofah

引用次数: 0

Dynamic modeling and optimal control of a twin rotor MIMO system 双转子MIMO系统的动态建模与最优控制

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894937

S. Ahmad, A. Chipperfield, O. Tokhi

引用次数: 58

Scene-centric identification and retrieval of unmanned aerial vehicle (UAV) video segments 以场景为中心的无人机视频片段识别与检索

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894995

W. T. Berridge, M. Talbert

引用次数: 0

A Gaussian deterministic approach to smoothing and prediction for application to spacecraft attitude and orbit determination 一种用于航天器姿态和轨道确定的高斯确定性平滑和预测方法

Proceedings of the IEEE 2000 National Aerospace and Electronics Conference. NAECON 2000. Engineering Tomorrow (Cat. No.00CH37093) Pub Date : 2000-10-10 DOI: 10.1109/NAECON.2000.894980

M.S. Hodgart, P. Tortora, N. Morrison

引用次数: 4