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Articles 3751 - 3780 of 13774
Full-Text Articles in Entire DC Network
Nesting Effort Of Northern Pintails In Alberta, Karla L. Guyn, Robert G. Clark
Nesting Effort Of Northern Pintails In Alberta, Karla L. Guyn, Robert G. Clark
Condor
No abstract provided.
A New Hybrid Warbler (Dendroica Nigrescens X D. Occidentalis) And Diagnosis Of Similar D. Townsendi X D. Occidentalis Recombinants, Sievert Rohwer, Christopher Wood, Eldredge Bermingham
A New Hybrid Warbler (Dendroica Nigrescens X D. Occidentalis) And Diagnosis Of Similar D. Townsendi X D. Occidentalis Recombinants, Sievert Rohwer, Christopher Wood, Eldredge Bermingham
Condor
No abstract provided.
Responses Of Birds To Broken Eggs In Their Nests, Mark L. Mallory, Wallace B. Rendell, Raleigh J. Robertson
Responses Of Birds To Broken Eggs In Their Nests, Mark L. Mallory, Wallace B. Rendell, Raleigh J. Robertson
Condor
No abstract provided.
Back Matter (Pdf), The Condor
Front Matter (Pdf), The Condor
Use Of Two Song Categories By Golden-Cheeked Warblers, Jeffrey S. Bolsinger
Use Of Two Song Categories By Golden-Cheeked Warblers, Jeffrey S. Bolsinger
Condor
No abstract provided.
Relationship Between Tail Color Pattern And Reproductive Success, Mate Acquisition And Nest Predation In Rufous Bush Chats, Fernando Alvarez
Relationship Between Tail Color Pattern And Reproductive Success, Mate Acquisition And Nest Predation In Rufous Bush Chats, Fernando Alvarez
Condor
No abstract provided.
Recruitment, Dispersal, And Demographic Rescue In Spatially-Structured White-Tailed Ptarmigan Populations, Kathy Martin, Peter B. Stacey, Clait E. Braun
Recruitment, Dispersal, And Demographic Rescue In Spatially-Structured White-Tailed Ptarmigan Populations, Kathy Martin, Peter B. Stacey, Clait E. Braun
Condor
No abstract provided.
Seasonal Migration And Genetic Population Structure In House Wrens, Nidia Arguedas, Patricia G. Parker
Seasonal Migration And Genetic Population Structure In House Wrens, Nidia Arguedas, Patricia G. Parker
Condor
No abstract provided.
Retrospective: 20 Years Ago In The Cardinal, Joseph W. Hammond
Retrospective: 20 Years Ago In The Cardinal, Joseph W. Hammond
Ohio Cardinal
No abstract provided.
Book Review: Harry Church Oberholser, When Passenger Pigeons Flew In The Killbuck Valley, Bill Whan
Book Review: Harry Church Oberholser, When Passenger Pigeons Flew In The Killbuck Valley, Bill Whan
Ohio Cardinal
No abstract provided.
The Spatial Response Of Male Hooded Warblers To Edges In Isolated Fragments, D. Ryan Norris, Bridget J. Stutchbury, Trevor E. Pitcher
The Spatial Response Of Male Hooded Warblers To Edges In Isolated Fragments, D. Ryan Norris, Bridget J. Stutchbury, Trevor E. Pitcher
Condor
No abstract provided.
Inbreeding Depression And Its Effects On Natal Dispersal In Red-Cockaded Woodpeckers, Susan J. Daniels, Jeffrey R. Walters
Inbreeding Depression And Its Effects On Natal Dispersal In Red-Cockaded Woodpeckers, Susan J. Daniels, Jeffrey R. Walters
Condor
No abstract provided.
Infectious Bursal Disease Virus Antibodies In Eider Ducks And Herring Gulls, Tuula Hollmen, J. Christian Franson, Douglas E. Docherty, Mikael Kilpi, Martti Hario, Lynn H. Creekmore, Margaret R. Petersen
Infectious Bursal Disease Virus Antibodies In Eider Ducks And Herring Gulls, Tuula Hollmen, J. Christian Franson, Douglas E. Docherty, Mikael Kilpi, Martti Hario, Lynn H. Creekmore, Margaret R. Petersen
Condor
No abstract provided.
The Learning Marketspace, August 1, 2000, Bob Heterick, Carol Twigg
The Learning Marketspace, August 1, 2000, Bob Heterick, Carol Twigg
The Learning MarketSpace (7/99 - 2/03)
No abstract provided.
Authors' Biographies, Seeds: The Literary Journal Of The Sisters Of Color
Authors' Biographies, Seeds: The Literary Journal Of The Sisters Of Color
SEEDS: The Literary Journal of the Sisters of Color
No abstract provided.
Seeds, Volume 6, Winter 2000, Seeds: The Literary Journal Of The Sisters Of Color
Seeds, Volume 6, Winter 2000, Seeds: The Literary Journal Of The Sisters Of Color
SEEDS: The Literary Journal of the Sisters of Color
No abstract provided.
Ole Miss Awards Five Carrier Scholarships, Amy Lorton
Ole Miss Awards Five Carrier Scholarships, Amy Lorton
University of Mississippi News
UNIVERSITY, Miss. — Five top scholars from around the state are set to enter The University of Mississippi this fall on $32,000 Robert M. Carrier Scholarships, which are among the mid-South's oldest and most prestigious scholastic awards.
A Brazilian Challenge To Lewis's Explanation Of Cult Mediumship, James M. Donovan
A Brazilian Challenge To Lewis's Explanation Of Cult Mediumship, James M. Donovan
Law Faculty Scholarly Articles
Recruitment into peripheral possession trance cults has been explained as attempts to compensate for socio-economic deprivation and jural impotence. This model, best developed by I.M. Lewis, is reviewed and its predictions tested against two types of Brazilian data. Firstly, national census figures of religious affiliation are compared with measure of socio-economic stress for a diachronic analysis. A second, synchronic analysis involves 62 respondents in Rio de Janeiro who completed questionnaires on socio-economic status, cultic affiliation, and perceptions of stress and gender inequality. The results offer only weak support for Lewis's original model, which may therefore profit from supplementation from other …
Community Service: Mandatory Or Voluntary?, Diane Loup
Community Service: Mandatory Or Voluntary?, Diane Loup
School K-12
School districts struggle to find the best approach for bringing a real-world aspect to learning.
Attitudes Of Native English-Speaking Professors Toward University Esl Students, Shirley A. Wright
Attitudes Of Native English-Speaking Professors Toward University Esl Students, Shirley A. Wright
Linguistics & TESOL Dissertations - Archive
This study focuses on native English-speaking business professors to explore issues of stereotyping and error gravity in terms of university ESL (English as a Second Language) students. Specifically, this dissertation has four goals: (1) to discover what types of judgments business professors make about students, (2) to determine whether they make judgments about students based on written language samples, (3) to discover whether these judgments vary according to various grammatical error types in written language samples (whether an error hierarchy obtains for written grammatical errors), and (4) to explore what linguistic variables might influence those judgments. On the basis of …
Alcalá View 2000 16.11, University Of San Diego Publications And Human Resources Offices
Alcalá View 2000 16.11, University Of San Diego Publications And Human Resources Offices
Alcalá View (1985-2006)
An Alice-In-Wonderful Day At Staff Employee Picnic; Pool Man Swimming in Praise as Staff Employee of the Year; Shuttle Service Starts; Provost's Appointment; Decathlon Dan; Retirement Changes; Benefits Briefs and News; Alice's Scrap book- Service Awards; Picnic Gift Sponsors; Alice's Scrap Book The 2000 Staff employee Recognition Picnic; Picnic Planner Gives Praise and Thanks; Presidential "PR"; Call of Congratulations; Woodworker Wins; Passages; Note of Gratitude; SEA Selects New President, Vice President and Mission Statement
Emi From Airflow Aperture Arrays In Shielding Enclosures-Experiments, Fdtd, And Mom Modeling, Min Li, Joe Nuebel, James L. Drewniak, Richard E. Dubroff, Todd H. Hubing, Thomas Van Doren
Emi From Airflow Aperture Arrays In Shielding Enclosures-Experiments, Fdtd, And Mom Modeling, Min Li, Joe Nuebel, James L. Drewniak, Richard E. Dubroff, Todd H. Hubing, Thomas Van Doren
Electrical and Computer Engineering Faculty Research & Creative Works
Aperture arrays designed to provide airflow through shielding enclosures can provide part of the coupling path from interior sources to external electromagnetic interference (EMI). In this work, radiation through aperture arrays is investigated numerically and experimentally. FDTD modeling is compared with measurements on aperture arrays in a test enclosure. The method of moments (MoM) is also utilized to study radiation from apertures and to investigate the mutual coupling between apertures in an infinite conducting plane. A simple design equation for the relation between aperture size and number and shielding effectiveness is proposed.
Experimental And Numerical Study Of The Radiation From Microstrip Bends, H. Wang, Yun Ji, Todd H. Hubing, James L. Drewniak, Thomas Van Doren, Richard E. Dubroff
Experimental And Numerical Study Of The Radiation From Microstrip Bends, H. Wang, Yun Ji, Todd H. Hubing, James L. Drewniak, Thomas Van Doren, Richard E. Dubroff
Electrical and Computer Engineering Faculty Research & Creative Works
This paper investigates the radiation from microstrip lines with 90-degree bends. A 1-GHz TEM cell is used to measure the radiation from microstrip lines with different kinds of bends. A full wave hybrid FEM/MoM code is used to compute the radiation. Both experimental and numerical results show that there is no significant difference between the radiation from right angle bends and bends with two 45-degree corners at frequencies and trace dimensions that are likely to be found on printed circuit boards.
Fdtd And Fem/Mom Modeling Of Emi Resulting From A Trace Near A Pcb Edge, Daniel P. Berg, Motoshi Tanaka, Yun Ji, Xiaoning Ye, James L. Drewniak, Todd H. Hubing, Richard E. Dubroff, Thomas Van Doren
Fdtd And Fem/Mom Modeling Of Emi Resulting From A Trace Near A Pcb Edge, Daniel P. Berg, Motoshi Tanaka, Yun Ji, Xiaoning Ye, James L. Drewniak, Todd H. Hubing, Richard E. Dubroff, Thomas Van Doren
Electrical and Computer Engineering Faculty Research & Creative Works
PCB traces routed near board edges and carrying high-speed signals are considered to contribute to EMI problems. Consequently, design maxims state that traces that might have intentional or unintentional high frequency components on them be kept away from board edges. This costs valuable surface area as boards become more densely designed. Further, design maxims concerning traces near board edges are not well quantified. The increase in EMI as a trace is routed increasingly closer to the PCB edge has been studied experimentally and with numerical modeling.
Finite Element Modeling Of Patch Antenna And Cavity Sources, Yun Ji, Todd H. Hubing, James L. Drewniak
Finite Element Modeling Of Patch Antenna And Cavity Sources, Yun Ji, Todd H. Hubing, James L. Drewniak
Electrical and Computer Engineering Faculty Research & Creative Works
This paper examines two different approaches that can be used to model patch antennas and cavities fed by a coaxial cable. The probe model represents the feed as a current filament along the center conductor of the coaxial cable. The coaxial-cable model enforces the analytical field distribution at the cable opening. These two models have been implemented in a hybrid FEM/MoM code. A power bus structure and a cavity geometry with coaxial-cable feeds are investigated. Numerical results obtained for these two examples are compared with measurements. It is shown that the probe model should only be applied to electrically short …
Development Of A Closed-Form Expression For The Input Impedance Of Power-Ground Plane Structures, Minjia Xu, Yun Ji, Todd H. Hubing, Thomas Van Doren, James L. Drewniak
Development Of A Closed-Form Expression For The Input Impedance Of Power-Ground Plane Structures, Minjia Xu, Yun Ji, Todd H. Hubing, Thomas Van Doren, James L. Drewniak
Electrical and Computer Engineering Faculty Research & Creative Works
This paper analyzes the fundamental behavior of PCB power bus structures using the modal expansion method. The results are validated by experiments and full-wave numerical modeling. It is shown that the power bus can be modeled as a series LeC circuit below the first board resonance frequency. C is the interplane capacitance and Le is an effective inductance contributed by all the cavity nodes. The effects of the layer thickness, port location, board size and the feeding wire radius on the value of Le are discussed in this study. Le can be estimated from the …
Emc Analysis Of An 18" Lcd Monitor, Theodore M. Zeeff, Todd H. Hubing, James L. Drewniak, Richard E. Dubroff, Thomas Van Doren
Emc Analysis Of An 18" Lcd Monitor, Theodore M. Zeeff, Todd H. Hubing, James L. Drewniak, Richard E. Dubroff, Thomas Van Doren
Electrical and Computer Engineering Faculty Research & Creative Works
This paper describes a case study covering the evaluation and reduction of the radiated EMI from an 18 inches Liquid Crystal Display (LCD) monitor. The evaluation was completed in two parts: first potential EMI sources at the Printed Circuit Board (PCB) level were identified, then the EMI antennas driven by these sources were analyzed. Methods for reducing the EMI were described in detail, and where applicable, those modifications were applied. Radiated measurements demonstrate the effectiveness of these recommendations.
Experimental Evaluation Of Power Bus Decoupling On A 4-Layer Printed Circuit Board, Juan Chen, Minjia Xu, Todd H. Hubing, James L. Drewniak, Thomas Van Doren, Richard E. Dubroff
Experimental Evaluation Of Power Bus Decoupling On A 4-Layer Printed Circuit Board, Juan Chen, Minjia Xu, Todd H. Hubing, James L. Drewniak, Thomas Van Doren, Richard E. Dubroff
Electrical and Computer Engineering Faculty Research & Creative Works
The switching of active devices on printed circuit boards (PCBs) can cause a momentary surge or drop in the power bus voltage. Decoupling capacitors are often utilized to alleviate this problem. They help to stabilize the power bus voltage by supplying transient current to active devices. The decoupling strategy, including where to place the high-frequency decoupling capacitors, is often a topic of debate. This paper examines the effect of decoupling capacitor placement on a 4-layer printed circuit board. Some design guidelines are provided.
Distributed Arithmetic Implementation Of Multivariable Controllers For Smart Structural Systems, Lingfeng Yuan, Sridhar Sana, Hardy J. Pottinger, Vittal S. Rao
Distributed Arithmetic Implementation Of Multivariable Controllers For Smart Structural Systems, Lingfeng Yuan, Sridhar Sana, Hardy J. Pottinger, Vittal S. Rao
Electrical and Computer Engineering Faculty Research & Creative Works
Smart structural systems require the electronic control systems which are integrated into the structures to be small, lightweight and power-efficient. The field programmable gate array (FPGA) is a good platform to implement such controllers. In our previous work, FPGA-based digital controllers were built and tested on a simple structural system. In order to implement multivariable controllers, the hardware resources for FPGA-based architecture need to be further reduced. Distributed arithmetic (DA) has long been proven to be a very efficient means to mechanize computations that are dominated by inner products involving constant multiplicand. The computational requirements of the smart structural controllers …