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Adaptation of a cubic smoothing spline algortihm for multi-channel data stitching at the National Ignition Facility
Some diagnostics at the National Ignition Facility (NIF), including the Gamma Reaction History (GRH) diagnostic, require multiple channels of data to achieve the required dynamic range. These channels need to be stitched together into a single time series, and they may have non-uniform and redundant time samples. We chose to apply the popular cubic smoothing spline technique to our stitching problem because we needed a general non-parametric method. We adapted one of the algorithms in the literature, by Hutchinson and deHoog, to our needs. The modified algorithm and the resulting code perform a cubic smoothing spline fit to multiple data channels with redundant time samples and missing data points. The data channels can have different, time-varying, zero-mean white noise characteristics. The method we employ automatically determines an optimal smoothing level by minimizing the Generalized Cross Validation (GCV) score. In order to automatically validate the smoothing level selection, the Weighted Sum-Squared Residual (WSSR) and zero-mean tests are performed on the residuals. Further, confidence intervals, both analytical and Monte Carlo, are also calculated. In this paper, we describe the derivation of our cubic smoothing spline algorithm. We outline the algorithm and test it with simulated and experimental data.
Date:
December 28, 2010
Creator:
Brown, C; Adcock, A; Azevedo, S; Liebman, J & Bond, E
Object Type:
Article
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 112, No. 276, Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Army Corps of Engineers' Nationwide Permits Program: Issues and Regulatory Developments
Congressional interest in wetlands permit regulatory programs has been evident in the past in oversight hearings and in connection with bills to fund the Corps' regulatory programs. For some time, there has been a stalemate over legislation that would revise wetlands regulatory law and that could, if enacted, modify the nationwide permit program. During this time, no consensus has emerged on whether or how to reform overall wetlands policy legislatively. Recently, Obama Administration initiatives and actions intended to restrict harmful effects of surface coal mining activities in Appalachia have drawn congressional attention and criticism that is likely to continue in the 112th Congress and that could include oversight of the Corps' regulatory program generally.
Date:
December 28, 2010
Creator:
Copeland, Claudia
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 90, No. 258, Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
Halter Gray, Janie
Object Type:
Newspaper
System:
The Portal to Texas History
China-North Korea Relations
This report provides a brief survey of China-North Korea relations, assesses China's objectives and actions, and raises policy issues for the United States.
Date:
December 28, 2010
Creator:
Nanto, Dick K. & Manyin, Mark E.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
Wray, Kelly
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Federal Register, Volume 75, Number 248, December 28, 2010, Pages 81371-81816
Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date:
December 28, 2010
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Final Technical Report, DE-SC0000581
The focus of the CEHMM award was alternative energy research and education. The objective of the CEHMM algae to biodiesel project was to determine the viability and feasibility of using algae as a feedstock for commercial biodiesel production. The project investigated the propagation, harvesting and extraction of oil from a salt/brine water algae in open raceway ponds.
Date:
December 28, 2010
Creator:
Lynn, Douglas C.
Object Type:
Report
System:
The UNT Digital Library
Financial Services and General Government (FSGG): FY2011 Appropriations
This report discusses the Financial Services and General Government (FSGG) FY2011 appropriations bill, which includes funding for the Department of the Treasury, the Executive Office of the President (EOP), the judiciary, the District of Columbia, and 26 independent agencies, including the Small Business Administration and the United States Postal Service.
Date:
December 28, 2010
Creator:
Hatch, Garrett
Object Type:
Report
System:
The UNT Digital Library
The Greensheet (Houston, Tex.), Vol. 41, No. 565, Ed. 1 Tuesday, December 28, 2010
Free weekly newspaper that includes business and classified advertising.
Date:
December 28, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 41, No. 566, Ed. 1 Tuesday, December 28, 2010
Free weekly newspaper that includes business and classified advertising.
Date:
December 28, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 131, No. 31, Ed. 1 Tuesday, December 28, 2010
Weekly newspaper from Jacksboro, Texas that includes local, state and national news along with advertising.
Date:
December 28, 2010
Creator:
Gibby, Kim
Object Type:
Newspaper
System:
The Portal to Texas History
Missile Defense and NATO's Lisbon Summit
This is a report regarding the November 2010 Lisbon Summit, wherein alliance heads of the North Atlantic Treaty Organization approved a plan to integrate existing NATO members ballistic missile defense capabilities into their overall defense posture. This report looks at advantages, challenges, and current Congressional legislation regarding the Obama Administration's Phased Adaptive Approach, which would be regional ballistic missile defense capability in Europe.
Date:
December 28, 2010
Creator:
Hildreth, Steven A. & Ek, Carl
Object Type:
Report
System:
The UNT Digital Library
Numerical simulation studies of the long-term evolution of a CO2 plume in a saline aquifer with a sloping caprock
We have used the TOUGH2-MP/ECO2N code to perform numerical simulation studies of the long-term behavior of CO{sub 2} stored in an aquifer with a sloping caprock. This problem is of great practical interest, and is very challenging due to the importance of multi-scale processes. We find that the mechanism of plume advance is different from what is seen in a forced immiscible displacement, such as gas injection into a water-saturated medium. Instead of pushing the water forward, the plume advances because the vertical pressure gradients within the plume are smaller than hydrostatic, causing the groundwater column to collapse ahead of the plume tip. Increased resistance to vertical flow of aqueous phase in anisotropic media leads to reduced speed of updip plume advancement. Vertical equilibrium models that ignore effects of vertical flow will overpredict the speed of plume advancement. The CO{sub 2} plume becomes thinner as it advances, yet the speed of advancement remains constant over the entire simulation period of up to 400 years, with migration distances of more than 80 km. Our simulations include dissolution of CO{sub 2} into the aqueous phase and associated density increase, and molecular diffusion. However, no convection develops in the aqueous phase because it …
Date:
December 28, 2010
Creator:
Pruess, K. & Nordbotten, J.
Object Type:
Article
System:
The UNT Digital Library
Oral History Interview with Robert B. Walker, December 28, 2010
Transcript of an oral interview with Robert B. Walker. Born in 1920, he was drafted in November, 1943. He completed pilot training at the Tuskegee Army Air Field, Alabama in 1945. He flew B-25 airplanes. He arrived in England as the war in Europe ended. He was there for a month and did not see combat. He was discharged in March, 1946. He used the GI Bill to obtain his Doctor of Education (Ed.D.). He mentions the 1943 Detroit race riot and shares an anecdote about race relations at Tuskegee. The interview also contains information about his family during the Great Depression.
Date:
December 28, 2010
Creator:
Walker, Robert B.
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Robert B. Walker, December 28, 2010
Transcript of an oral interview with Robert B. Walker. Born in 1920, he was drafted in November, 1943. He completed pilot training at the Tuskegee Army Air Field, Alabama in 1945. He flew B-25 airplanes. He arrived in England as the war in Europe ended. He was there for a month and did not see combat. He was discharged in March, 1946. He used the GI Bill to obtain his Doctor of Education (Ed.D.). He mentions the 1943 Detroit race riot and shares an anecdote about race relations at Tuskegee. The interview also contains information about his family during the Great Depression.
Date:
December 28, 2010
Creator:
Walker, Robert B.
Object Type:
Text
System:
The Portal to Texas History
Perry Daily Journal (Perry, Okla.), Vol. 118, No. 248, Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Power to Regulate Commerce: Limits on Congressional Power
This report discusses the Commerce Clause of the United States Constitution, which provides that the Congress shall have the power to regulate interstate and foreign commerce.
Date:
December 28, 2010
Creator:
Thomas, Kenneth R. & Tatelman, Todd B.
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 75, Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
Harmon, C. L.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 113, No. 037, Ed. 1 Tuesday, December 28, 2010
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
December 28, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Swisher County News (Tulia, Tex.), Vol. 2, No. 50, Ed. 1 Tuesday, December 28, 2010
Weekly newspaper from Tulia, Texas that includes local, state, and national news along with extensive advertising.
Date:
December 28, 2010
Creator:
Hooten, Patsy
Object Type:
Newspaper
System:
The Portal to Texas History
TECHNICAL COMPARISON OF CANDIDATE ION EXCHANGE MEDIA FOR SMALL COLUMN ION EXCHANGE (SCIX) APPLICATIONS IN SUPPORT OF SUPPLEMENTAL LAW PRETREATMENT
At-tank supplemental pretreatment including both filtration and small column ion exchange is currently under evaluation to facilitate salt waste retrieval and processing in the Hanford tank farms. Spherical resorcinol formaldehyde (sRF) resin is the baseline ion exchange resin for use in the Waste Treatment and Immobilization Plant (WTP). This document provides background and technical rationale to assist in determining whether spherical resorcinol formaldehyde (sRF) is also the appropriate ion exchange resin for supplemental LAW pretreatment processes and compares sRF with crystalline silicotitanate (CST) as potential supplemental pretreatment ion exchange media.
Date:
December 28, 2010
Creator:
AA, RAMSEY & MR, THORSON
Object Type:
Report
System:
The UNT Digital Library
Texas Lottery Commission
A security study performed by Grant Thornton LLP for the Texas Lottery Commission to evaluate security measures established by management to support the integrity and security of the Texas Lottery's operations, gaming services and instant and on-line ticket productions.
Date:
December 28, 2010
Creator:
Grant Thornton LLP
Object Type:
Text
System:
The Portal to Texas History
WASTE LOADING ENHANCEMENTS FOR HANFORD LAW GLASSES VLS-10R1790-1 FINAL REPORT REV 0 12/1/2010
About 50 million gallons of high-level mixed waste is currently stored in underground tanks at The United States Department of Energy's (DOE's) Hanford site in the State of Washington. The Hanford Tank Waste Treatment and Immobilization Plant (WTP) will provide DOE's Office of River Protection (ORP) with a means of treating this waste by vitrification for subsequent disposal. The tank waste will be separated into low- and high-activity waste fractions, which will then be vitrified respectively into Immobilized Low Activity Waste (ILAW) and Immobilized High Level Waste (IHLW) products. The ILAW product will be disposed in an engineered facility on the Hanford site while the IHLW product will likely be directed to a national deep geological disposal facility for high-level nuclear waste. The ILAW and IHLW products must meet a variety of requirements with respect to protection of the environment before they can be accepted for disposal. The Office of River Protection is currently examining options to optimize the Low Activity Waste (LAW) Facility and LAW glass waste form. One option under evaluation is to enhance the waste processing rate of the vitrification plant currently under construction. It is likely that the capacity of the LAW vitrification plant can be …
Date:
December 28, 2010
Creator:
Kruger, A. A.; Muller, I. S.; Joseph, I.; Matlack, K. S.; Gan, H. & Pegg, I. L.
Object Type:
Report
System:
The UNT Digital Library