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Scenario planning in dynamic multi-attribute tradespace exploration

Christopher J. Roberts, Matthew G. Richards, Adam M. Ross, Donna H. Rhodes, Daniel E. Hastings
2009 2009 3rd Annual IEEE Systems Conference  
After surveying existing approaches for scenario planning, a methodology for specifying and analyzing large numbers of alternative system timelines is presented.  ...  Abstract-The long time scales associated with complex system design and operation necessitate front-end systems engineering methodologies that enable consideration of alternative futures.  ...  ANALYSIS & DISCUSSION In 2007 the Congressional Budget Office conducted a study assessing alternatives for a satellite radar system [13] .  ... 
doi:10.1109/systems.2009.4815828 fatcat:pwdc3qyg7zeendr2hwjc6t6wlu


Serhiy Gatsenko, Yuriy Buchinsky
2018 Advanced Information Systems  
Architecture of an expert system for determining the type of RS by parameters. General architecture of the expert system for determining the type of radar is shown in Fig. 1 .  ...  Algorithm of the expert system for determining the type of radar is shown in Fig. 2 .  ... 
doi:10.20998/2522-9052.2018.1.06 fatcat:aydiv4jsx5elzfghajhizd5agq

MEADEP: a dependability evaluation tool for engineers

Dong Tang, M. Hecht, J. Miller, J. Handal
1998 IEEE Transactions on Reliability  
Use of the tool on failure data from measurements provides quantitative evaluations of dependability for the target system, while greatly reducing requirements for specialized skills in data analysis and  ...  Summary & Conclusions MEADEP is a user-friendly dependability evaluation tool for measurement-based analysis of critical systems.  ...  to provide non-expert users with an easy-to-use environment for producing quantitative dependability evaluations for real systems.  ... 
doi:10.1109/24.756088 fatcat:67ignbnvfreslfbwkbytu7wswm

Evaluating flash-flood warnings at ungauged locations using post-event surveys: a case study with the AIGA warning system

Pierre Javelle, Julie Demargne, Dimitri Defrance, Jean Pansu, Patrick Arnaud
2014 Hydrological Sciences Journal  
Real-time flood warnings were provided by the AIGA warning system, which is based on a simple distributed hydrological model run at a 1-km 2 resolution using radar rainfall information.  ...  The flood peak analysis showed a relatively good correspondence between AIGA-and fieldestimated peak values, although some differences were due to the rainfall underestimation by the radar and rainfall-runoff  ...  In the United Kingdom, an operational system has also been developed based on the distributed Grid to Grid model (G2G) developed by the Centre for Ecology and Hydrology (Cole and Moore 2009) .  ... 
doi:10.1080/02626667.2014.923970 fatcat:2l5aorozkfdfnmhkjslicckkcm

Fusion of imaging and nonimaging data for surveillance aircraft

Elisa Shahbazian, Langis Gagnon, Jean Remi Duquet, Maciej Macieszczak, Pierre Valin, Belur V. Dasarathy
1997 Sensor Fusion: Architectures, Algorithms, and Applications  
The sensor suite of the Aurora consists of a radar, an Identification Friend or Foe (IFF) system, an Electronic Support Measures (ESM) system, a Spotlight Synthetic Aperture Radar (SSAR), a Forward Looking  ...  This paper describes a phased incremental integration approach for application of image analysis and data fusion technologies to provide automated intelligent target tracking and identification for Airborne  ...  Because of a limitation in the number of real data, a set of 9-dimensional scatterer distributions are simulated and used to train and validate a 3-layer backpropagation Neural Net (NN) with an expert-system  ... 
doi:10.1117/12.276117 fatcat:ws536fu5ozdchkd6lrlfcp6p3i

Avian Information Systems: Developing Web-Based Bird Avoidance Models

Judy Shamoun-Baranes, Willem Bouten, Luit Buurma, Russell DeFusco, Arie Dekker, Henk Sierdsema, Floris Sluiter, Jelmer van Belle, Hans van Gasteren, Emiel van Loon
2008 Ecology and Society  
We expect that developments in cyber-technology, a transition toward an open source philosophy, and higher demand for accessible biological data will result in an increase in the number of biological information  ...  These models integrate data and expert knowledge on bird distributions and migratory behavior to provide hazard maps in the form of GIS-enabled Web services.  ...  All expert knowledge and observational data used in this workflow were stored in a database.  ... 
doi:10.5751/es-02578-130238 fatcat:h4akp3zsvfasvadxdpimarb5sy

NeIC E3DDS Project Deliverable 3 "Cluster Management for EISCAT_3D"

Simon Brown, Carl-Fredrik Enell, Ingemar Häggström, Harri Hellgren, Dan-Johan Jonsson, Ari Lukkarinen, Anders Tjulin, Mattias Wadenstein, Assar Westman, John White
2020 Zenodo  
This could be used for more difficult analysis tasks such as the 3-D analysis that requires parallel computing capabilities.  ...  NeIC E3DDS project Deliverable 3 describes the issues foreseen in deploying and configuring the e-infrastructure for the EISCAT_3D project.  ...  Radar Developer and Expert Operator Login The operators of the radar system need access to the scheduler, FSRUs, RBBF and prompt computing nodes in order to update the parameters of the system.  ... 
doi:10.5281/zenodo.4001607 fatcat:2tjf7nsl2nhnrofebmd7e43il4

Worldwide assessments of laser radar tactical scenario performance variability for diverse low altitude atmospheric conditions at 1.0642 μm and 1.557 μm

Steven T. Fiorino
2009 Journal of Applied Remote Sensing  
He is the Team Leader for Laser Radar Technology in the Multifunction Electro-optics Branch. Mr.  ...  Spatial, spectral and temporal variations in operating conditions are major contributors to the expected variability/uncertainty in system performance.  ...  The views expressed in this paper are those of the authors and do not necessarily reflect the official policy or position of the Air Force, the Department of Defense or the U.S. Government.  ... 
doi:10.1117/1.3122349 fatcat:cyyfsnvmifcfjpcw6ldr4eu5lu

Based on Neural Network Information Fusion System Architecture Evolution Research in the Theory of Evolution

Rong-chun WU, Feng-li Zhang, Ben-jun Nie
2014 International Journal of Multimedia and Ubiquitous Engineering  
By concentrated ganglion in the head what will surely lead to the head in the control of the body in an important position in the nervous system [12] .  ...  Nervous System Evolution Trend Analysis As mentioned earlier, from single-celled organisms with similar functions to neurons in the nervous system mechanism of electrical signals, after a long evolutionary  ...  Here the database is not limited to the traditional database management system, can also be distributed database system, data marts or data warehouses, etc., so fusion unit itself may be a more complicated  ... 
doi:10.14257/ijmue.2014.9.8.15 fatcat:te6cwuruarbfpo5ledhbroyc6i

Prognostics and health management technology for radar system

Yongle Lyu, Zhuo Pang, Chuang Zhou, Peng Zhao, J. Joo
2020 MATEC Web of Conferences  
Information-based war in the future has a higher requirement to the maintenance and support ability of radar system.  ...  The radar PHM technology has the trend of "built-in to integrate", "together with DFT" and "long-distance and distributed".  ...  And remote experts' knowledge can be collected for the good of fault prediction. Challenges faced by radar system PHM Radar is a complex electronic information system.  ... 
doi:10.1051/matecconf/202030904009 fatcat:zkrfo66c3fewlliyr5ocghf5ou

Effect of Cellular Phone and Radar Forensics on Search and Rescue Duration for General Aviation Aircraft Accidents in the Contiguous United States

Ryan J Wallace
2014 Journal of Aviation Technology and Engineering  
Emergency Locator Transmitters (ELT) are generally the primary tool for locating distressed aircrews following an aircraft accident.  ...  As a result, 121.5 MHz ELTs are still in use in the U.S. but remain unmonitored by satellite systems.  ...  Ogden, cellular phone analysis experts from the Civil Air Patrol, agreed to describe the cellular phone forensic analysis process in an interview conducted on April 30, 2013.  ... 
doi:10.7771/2159-6670.1093 fatcat:s4w4ejtm2bcobp2pclcdarp4za

A Distributed Approach to Computational Earthquake Science: Opportunities and Challenges

Andrea Donnellan, Jay Parker, Margaret Glasscoe, Eric De Jong, Marlon Pierce, Geoffrey Fox, Dennis McLeod, John Rundle, Lisa Grant Ludwig
2012 Computing in science & engineering (Print)  
Advances in understanding earthquakes increasingly requires the integration of models and multiple distributed data products.  ...  Increasingly, data are acquired through large investments and utilizing their full potential requires a coordinated effort by many groups and experts who are often distributed both geographically and by  ...  We thank UNAVCO, SOPAC, Alaska Satellite Facility DAAC, and University of Nevada, Reno for productive ongoing discussion and collaboration.  ... 
doi:10.1109/mcse.2012.59 fatcat:k2efdkjqf5fcxdxsz5bgtnqadi

The performance of the N-fold requirement inspection method

E. Kantorowitz, A. Guttman, L. Arzi
1997 Requirements Engineering  
Faults in system requirements can be very harmful. It is therefore often required that the inspection achieves a high fault detection rate (FDR).  ...  The model may also be employed for measuring the efficiency of requirement inspection methods.  ...  The curve of Figure 7 may be considered as an abstraction of the distribution shown in Figure 6 . We did this analysis for all of our experiments.  ... 
doi:10.1007/bf02802773 fatcat:qbcvd532kreipbli7rvoloeumu

Health Condition Assessment of Marine Systems Based on an Improved Radar Chart

Yuewen Zhang, Peng Zhang, Boshen Zhang, Peiting Sun, Paolo Crippa
2020 Mathematical Problems in Engineering  
In this study, a powerful evaluation method called an improved radar chart was developed as a means of reliability estimation.  ...  Since health assessment plays a significant role in marine systems (MSs), it has caught the attention of researchers.  ...  Chart In a traditional radar map, the length of the number line represents the index value, and the number line is uniformly distributed without consideration of the influence of index weight.  ... 
doi:10.1155/2020/8878908 fatcat:mimkn7r2ibg4pbxroutenwlkzq

Water Quality Model Integration in a Decision Support System [chapter]

L. León, N. Kouwen, G. J. Farquhar, E. D. Soulis
2000 IFIP Advances in Information and Communication Technology  
This paper describes an integral system to model nonpoint source pollution in surface waters.  ...  This consists of pre-and post-processing tools, model control and sensitivity analysis for the parameters in the models.  ...  The system provides an intuitive environment for displaying data and analysis results in the context of local geography.  ... 
doi:10.1007/978-0-387-35503-0_21 fatcat:nl7dhhhpkvhwjnvob5cvk3zumy
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