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parameter estimation

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Parameter Estimation Using Spreadsheet Optimization: A Review of Applications in Civil and Environmental Engineering Education and Research: The use of empirical models is an integral part of the design and analysis of civil and environmental engineering systems. One of the most commonly used methods for parameter estimation is linear regression. This technique is also applied to nonlinear models with two unknown parameters when the equation can be...; Tags: Education, Optimization, Southern Illinois University, Spreadsheet, Parameter Estimation, Productivity; White papers 2006-07-23
Service-Oriented Grid Computation for Large-Scale Parameter Estimation in Complex Environmental Modeling: Complex environmental modeling often involves a large number of unknown physical and ecological parameters. Parameter estimation is one of the most difficult steps in many modeling activities. In this paper, the authors present a service-oriented framework, named GGPE-G (Grid-enabled Global optimization for General Parameter Estimation), for efficient parameter estimation in...; Tags: Estimation, Association For Computing Machinery, Modeling, Parameter Estimation, Research & Development, Business Operations; White papers 2006-04-27

Additional Resources

Project Estimation: The CS/10,000 project estimation tool suite allows you to generate, manage, and validate estimates of effort for a wide variety of projects. The estimation method uses proprietary AI technology to provide both task and effort based estimation for your project.; Tags: Estimation, Client-server, Tool, Productivity, Servers, Hardware; White papers
Estimation Risk, Market Efficiency, and the Predictability of Returns: n asset pricing, estimation risk refers to investor uncertainty about the parameters of the return or cashflow process. We show that with estimation risk the observable properties of prices and returns can differ significantly from the properties perceived by rational investors. In particular, parameter uncertainty will tend to induce return...; Tags: Asset management, estimation, National Bureau of Economic Research, predictability, investor, asset pricing, volatility, dividend, asset; White papers 2000-05-01
Use Case Based Estimation: For the average develop manager who often do not have the time and resources to do a proper function point count or other estimation this paper offers a basic estimation method using a use case based approach. This idiot's guide to the idiot's guide of estimation is a quick approach...; Tags: Estimation, Use Case, Software Development, Software/Web Development; White papers

A Preliminary Checklist for Software Cost Management: This paper presents a process framework and a preliminary checklist for software cost management. While most textbooks and research papers on cost estimation look mainly at the "Estimation" phase, this framework and checklist includes the phases relevant to estimation: "Preparation", "Estimation", "Application", and "Learning". The authors believe that cost estimation...; Tags: Software, Estimation, Checklist, Managerial Accounting, Tools & Techniques, Finance, Management; White papers 2003-06-30
Growing Up Fast: SAS 9.2 Enhancements to the GLIMMIX Procedure: The GLIMMIX procedure was first released as a Web download add-on procedure to SAS/STATÒ in SAS 9.1 in the 32-bit Windows operating environment. It was subsequently released as a Web download for SAS 9.1.3 in UNIX and Linux environments. This paper describes the key changes and enhancements to PROC GLIMMIX...; Tags: Statement, SAS Institute; White papers 2007-05-14
Estimation of Carrier-Frequency Offset and Frequency-Selective Channels in MIMO OFDM Systems Using a Common Training Signal: This paper presents a common training signal design and corresponding estimation methods for carrier frequency offset and frequency-selective channels in MIMO OFDM systems. In designing the common training signal, a training signal structure which yields low complexity estimation methods is developed while the optimality of the training signal is maintained....; Tags: Estimation, Training, MIMO-OFDM, Estimation Method, Workforce Management, Human Resources; White papers 2004-09-13
Improving Channel Estimation in OFDM Systems for Sparse Multipath Channels: This paper describes an algorithm for sparse channel estimation applicable to orthogonal frequency division multiplexing systems. The proposed algorithm uses a least squares LS technique for channel estimation and a generalized Akaike information criterion to estimate the channel length and tap positions. This effectively reduces the signal space of the...; Tags: Algorithm, Indian Institute Of Technology, Channel Estimation, OFDM, Engineering, Wireless; White papers 2005-01-01
Project Estimation: Use Case Point Technique: Estimates give an indicator of how long and how much effort is required to complete a project. There are many estimation methods available based upon expert opinion (e.g. Wideband delphi), estimation by analogy - similar projects and also parameterised techniques use case point. This paper presents a brief overview of...; Tags: Technique, Use Case, Productivity; White papers
Bandwidth Estimation: Metrics, Measurement Techniques, and Tools: In a packet network, the terms "Bandwidth" or "Throughput" often characterize the amount of data that the network can transfer per unit of time. Bandwidth estimation is of interest to users wishing to optimize end-to-end transport performance, overlay network routing, and peer-to-peer file distribution. Techniques for accurate bandwidth estimation are...; Tags: Technique, Georgia Institute Of Technology, Tool, Bandwidth Estimation, Productivity; White papers 2008-01-01
Generalized 8-PSK for Totally Blind Channel Estimation in OFDM: Channel estimation in OFDM systems can conveniently be done by inserting a stream of pilot symbols at the transmitter and by using FIR interpolation filters at the receiver. Most blind channel estimation approaches are based on higher order statistics and converge slowly, making them unsuitable for mobile environments. Moreover, the...; Tags: Channel Estimation, OFDM, Wireless; White papers
SSUPal (exe): Chemuturi Consultants offers you a free software estimation tool SSUPal that makes use of Software Size Units SSU. SSU is free from the known drawbacks like complexity and does not specialized training to master the technique. SSUPal is a software tool that assists in Function Point Analysis and FP counting....; Tags: Software, Consultant, SSUPal, Software Size Units, Tools & Techniques, Management; Software downloads 2008-03-18
CDMA Sparse Channel Estimation Using a GSIC/AM Algorithm for Radiolocation: This paper considers channel parameter estimation in a sparse channel environment for radiolocation. The Generalized Successive Interference Cancellation GSIC algorithm is used to eliminate the Multiple Access Interference MAI. To adapt GSIC to sparse channels the Alternating Maximization AM algorithm is considered and the continuous time delay of each path...; Tags: Estimation, Algorithm, CDMA, University Of California, Generalized Successive Interference Cancellation Algorithm, Engineering; White papers
Software Estimation: Art, Science, or Science Fiction: This paper focuses on providing useful rules of thumb and procedures for creating software estimates ("the art of estimation") and a brief introduction to mathematical approaches to creating software project estimates ("the science of estimation"). The paper provides techniques for making sure estimation is treated as an analytical rather than...; Tags: Software, Estimation, Tools & Techniques, Management; White papers 2004-09-11
Fast End-to-End Available Bandwidth Estimation for Real-Time Multimedia Networking: Dynamic bandwidth estimation serves as an important basis for performance optimization of real-time distributed multimedia applications. The objective of this paper is to develop a bandwidth estimation algorithm for the fast fluctuated Internet. This paper analyzes the relationship between the one way delay and the dispersion of packets train, and...; Tags: Multimedia, National Chiao Tung University, Bandwidth Estimation, Engineering; White papers 2006-07-07
Optimal Superimposed Pilot Selection for OFDM Channel Estimation: This paper presents an optimal strategy for utilizing superimposed pilots for OFDM channel estimation using Wiener filtering. An algorithm is formulated to determine the optimal rectangular set of time-frequency samples for channel estimation for a given complexity. The proposed scheme shows an improved performance at high Doppler frequencies. Moreover, the...; Tags: Algorithm, Performance, Channel Estimation, OFDM, Performance Management, Productivity, Wireless, Human Resources, Workforce Management; White papers 2006-04-19
Optimal Training Signals for SISO OFDM Channel Estimation in the Absence/Presence of Frequency Offsets: All existing training signal designs for channel estimation in OFDM systems assume no frequency offsets. In practice, frequency offset is unavoidable and seriously degrades the performance of OFDM systems. This paper addresses the problem of designing optimal training signals for SISO OFDM channel estimation in the presence of frequency offsets....; Tags: Training, Channel Estimation, Frequency Offset, OFDM, Workforce Management, Wireless, Human Resources; White papers 2004-09-13
Blind Estimation of the Carrier Frequency Offset in OFDM Systems: This paper presents a novel approach for carrier frequency offset estimation in OFDM systems. Before they enter the OFDM system, the information bearing symbols are segmented into blocks so that each even indexed block shares one common symbol with the previous block. This redundancy allows for the frequency offset estimation...; Tags: Estimation, OFDM, Wireless; White papers
Very Fast Optimal Bandwidth Selection for Univariate Kernel Density Estimation: Most automatic bandwidth selection procedures for kernel density estimates require estimation of quantities involving the density derivatives. Estimation of modes and inflexion points of densities also require derivative estimates. The computational complexity of evaluating the density derivative at M evaluation points given N sample points from the density is OMN....; Tags: Estimation, Engineering, Financial Services; White papers 2005-12-20

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