481 research outputs found

    A Crosstalk Correcting Router That Uses Online Noise Simulation to Route High Speed Multichip Modules

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    Existing MultiChip Module (MCM) auto-routers either ignore crosstalk or use over simplified crosstalk approximations. Of the routers that do consider crosstalk, very few have the capability to correct crosstalk problems after they occur. This dissertation describes a router that not only has an internal crosstalk model for high speed MCMs which is more accurate than that of other existing routers, but also has the capability to use an online simulator to more accurately determine noise levels. After crosstalk problems occur, the router has the ability to correct these problems. Through memory usage reductions and routing efficiency improvements, this maze router has proven to be a good alternative to the current method of manual routing for very large, high-speed MCM designs

    A Crosstalk Correcting Router that Uses Online Noise Simulation to Route High-Speed Multichip Modules

    Get PDF
    Existing Multi Chip Module (MCM) auto-routers either ignore crosstalk or use over-simplified crosstalk approximations. Of the routers that do consider crosstalk, very few have the capability to correct crosstalk problems after they occur. This dissertation describes a router that not only has an internal crosstalk model for high speed MCMs which is more accurate than that of other existing routers, but also has the capability to use an online simulator to more accurately determine noise levels. After crosstalk problems occur, the router has the ability to correct these problems. Through memory usage reductions and routing efficiency improvements, this maze router has proven to be a good alternative to the current method of manual routing for very large, high-speed MCM designs

    Grounding International Service-Learning in Sociology: Homelessness in Russia

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    The authors lead U.S. students on a study abroad trip to St. Petersburg, Russia. We designed a sociology service-learning course titled Urban Social Problems in the U.S. and Russia. Our primary substantive topic was homelessness, and social issues related to homelessness. We utilized ethnographic studies of homelessness, statistical data, sociological theories and concepts, class discussions, videos clips, guest speakers, personal journal reflections, and community service to create a dynamic learning experience. Based on a pre-test/post-test assessment, post-test follow-up questions, journal reflections, class discussions, and a final exam we argue that international service-learning is optimized when grounded in sociology

    Bail Practices in Allegheny County

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    The administration of bail involves two separate questions: (1) is the defendant eligible for bail; and (2) if he is eligible, what conditions of release should be imposed. The first question is readily answered by reference to federal and state constitutional and statutory provisions. Generally anyone charged with a non-capital offense is eligible for bail. The second question is not as easily resolved. Federal and state statutes set out only general considerations. Typical is Rule 46c of the Federal Rules of Criminal Procedure which provides that the amount of bail should be such as will insure the presence of the defendant, having regard to the circumstances of the offense charged, the weight of the evidence against him, the financial ability of the defendant to give bail and the character of the defendant. Relevant to the determination of conditions of release is the Eighth Amendment\u27s prohibition against excessive bail. There is, however, almost no case law construing this provision-even its applicability to state proceedings through the Fourteenth Amendment is unsettled

    Digital Signal Processing

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    Contains research objectives and summary of research on seven research projects.Joint Services Electronics Program (Contract DAAB07-76-C-1400)U. S. Navy - Office of Naval Research (Contract N00014-75-C-0951-NR 049-308)National Science Foundation (Grant ENG71-02319-AO2

    Digital Signal Processing

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    Contains research objectives and summary of research on seven research projects.U. S. Navy Office of Naval Research (Contract N00014-75-C-0951)National Science Foundation (Grant ENG71-02319-A02

    Chronic kidney disease care delivered by US family medicine and internal medicine trainees: results from an online survey

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    BACKGROUND: Complications of chronic kidney disease (CKD) contribute to morbidity and mortality. Consequently, treatment guidelines have been developed to facilitate early detection and treatment. However, given the high prevalence of CKD, many patients with early CKD are seen by non-nephrologists, who need to be aware of CKD complications, screening methods and treatment goals in order to initiate timely therapy and referral. METHODS: We performed a web-based survey to assess perceptions and practice patterns in CKD care among 376 family medicine and internal medicine trainees in the United States. Questions were focused on the identification of CKD risk factors, screening for CKD and associated co-morbidities, as well as management of anemia and secondary hyperparathyroidism in patients with CKD. RESULTS: Our data show that CKD risk factors are not universally recognized, screening for CKD complications is not generally taken into consideration, and that the management of anemia and secondary hyperparathyroidism poses major diagnostic and therapeutic difficulties for trainees. CONCLUSION: Educational efforts are needed to raise awareness of clinical practice guidelines and recommendations for patients with CKD among future practitioners

    Digital Signal Processing

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    Contains reports on twelve research projects.U. S. Navy - Office of Naval Research (Contract N00014-75-C-0951)National Science Foundation (Grant ENG76-24117)National Aeronautics and Space Administration (Grant NSG-5157)Joint Services Electronics Program (Contract DAABO7-76-C-1400)U.S. Navy-Office of Naval Research (Contract N00014-77-C-0196)Woods Hole Oceanographic InstitutionU. S. Navy - Office of Naval Research (Contract N00014-75-C-0852)Department of Ocean Engineering, M.I.T.National Science Foundation subcontract to Grant GX 41962 to Woods Hole Oceanographic Institutio
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