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Graduate Theses, Dissertations, and Problem Reports (ETD)

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Development Of Criteria And Indicators For Evaluating Forest-Based Ecotourism Destinations: A Delphi Study., Maureen Young Bender Jan 2008

Development Of Criteria And Indicators For Evaluating Forest-Based Ecotourism Destinations: A Delphi Study., Maureen Young Bender

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study is to 1) identify and develop criteria and indicators for forestbased ecotourism in West Virginia based on the input of academic experts in the field as well as nature-based tour operators, 2) compare similarities and differences between the two groups utilizing Spearman’s statistic and 3) create a point evaluation system. The study was conducted through two rounds of the Delphi method. E-mailed and mailed self-complete questionnaires were distributed among the participants. They were asked to rate the importance level of criteria and indicators using a Likert scale. In addition, the participants were asked to rank …

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Urban Tree Phenology: A Comparative Study Between New York City And Ithaca, New York., Ishwar Dhami Jan 2008

Urban Tree Phenology: A Comparative Study Between New York City And Ithaca, New York., Ishwar Dhami

Graduate Theses, Dissertations, and Problem Reports (ETD)

Studies on phenology have demonstrated that "Global warming" effect is influencing vegetation phenological processes. In order to accurately predict how climate warming affects vegetation phenology, a clear understanding of vegetation phenology and its relationship to temperature is needed. Although finding the effects of global warming on phenology across larger areas is difficult, heat island phenomena associated with urbanized area presents a unique place to investigate the local effect of warming on phenology. Thus, this study looked at the response of trees to increasing temperatures by comparing the phenological patterns of trees in a highly urbanized New York City (NYC) and …

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Youth Health Promotion In West Virginia: The Helping H.A.N.D. (Health Awareness & Nutritious Decisions) Program., Megan Christine Govindan Jan 2008

Youth Health Promotion In West Virginia: The Helping H.A.N.D. (Health Awareness & Nutritious Decisions) Program., Megan Christine Govindan

Graduate Theses, Dissertations, and Problem Reports (ETD)

West Virginia is the second most rural state in the nation, with 24% of its families having incomes of less than 100% of the federal poverty level. Children of low income families are a vulnerable population at high risk for obesity, diabetes and cardiovascular complications. The Helping H.A.N.D. (Health Awareness & Nutritious Decisions) program is a socioeconomic focused health initiative designed by Megan Govindan B.S. and Cindy Fitch Ph.D., RD to improve the diet and activity of West Virginian children from low-income families. Funded by the 2007 General Mills Champions for Healthy Kids grant, this 23-week nutrition & wellness initiative …

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An Analysis Of Wastewater Temperature Variations In Six Remote Monitored Onsite Systems., Joseph M. Kamalesh Jan 2008

An Analysis Of Wastewater Temperature Variations In Six Remote Monitored Onsite Systems., Joseph M. Kamalesh

Graduate Theses, Dissertations, and Problem Reports (ETD)

As technology innovations occur, the complexity of the processes involved increases, resulting in a greater need for automated monitoring and control systems that have become a key component in process management. In order to effectively and efficiently manage an onsite wastewater treatment system, remote monitoring using telemetry is becoming a more feasible option. Telemetry supplies continuous data which need to be well organized and maintained for later usage. The primary objective of this US EPA funded project was to test and evaluate the applicability of the need for this "centralized paradigm" in the context of managing onsite systems distributed and …

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An Intergroup Perspective On Family Targeted Hurtful Messages Used In Romantic Relationships., Tyler M. Louk Jan 2008

An Intergroup Perspective On Family Targeted Hurtful Messages Used In Romantic Relationships., Tyler M. Louk

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to identify the types of family-targeted hurtful messages used within the romantic relationship; to examine the specific characteristics of the hurtful messages and the amount of hurt that the message elicits; and to identify the types of responses romantic partners use. Participants were 277 undergraduate students enrolled in a communication course at a large mid-Atlantic university. Results indicated (a) romantic partners use six types of family targeted hurtful messages; (b) that intergroup membership does not influence individuals perceptions of the proximal factors of the hurtful message, but does influence individuals perceptions of the distal …

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Gender And Racial Cues During The 2008 Democratic Party's Presidential Candidate Nomination Process: Social Responsibility In The 21St Century., Benjamin Rex Lapoe Ii Jan 2008

Gender And Racial Cues During The 2008 Democratic Party's Presidential Candidate Nomination Process: Social Responsibility In The 21St Century., Benjamin Rex Lapoe Ii

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined a segment of the 2008 Presidential election, which presents a significant political pinnacle for the United States of America. For the first time in this young democracy’s history, a white woman (Hillary Rodham Clinton) and an African American man (Barack Obama) are frontrunners for the Presidency. However, during this inspiring moment in our nation’s history, one must realize research exists suggesting that agenda setting, framing, and gender or racial cues in the media can influence voters’ opinions of minority candidates. With that in mind, this study examined how race and gender are framed during the Democratic Presidential …

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The Construction Of Operation Iraqi Freedom As A Social Problem., Amanda Ellaina Martin Jan 2008

The Construction Of Operation Iraqi Freedom As A Social Problem., Amanda Ellaina Martin

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study looks at the construction of Operation Iraqi Freedom as a social problem by the New York Times and USA Today between July 2002 and June 2007. Articles were coded as political, military, social, economic, or “other.” Key word searches were conducted to further explore these categories. Antiwar articles were also counted. Primary and secondary themes throughout the period of analysis were then developed. Interestingly, the findings indicate that there were two constructions of Operation Iraqi Freedom. The first construction, which we called the Antiterrorism Mission, focused on the necessity of military intervention due to the terrorist threat. The …

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The Development Of A Rotator Cuff Evaluation Tool For The Throwing Athlete., David Keith Pryor Jan 2008

The Development Of A Rotator Cuff Evaluation Tool For The Throwing Athlete., David Keith Pryor

Graduate Theses, Dissertations, and Problem Reports (ETD)

Context: Rotator cuff pathologies are common in baseball and softball. The diagnosis of rotator cuff injuries can be difficult to obtain due to the number of pathological conditions that affect the rotator cuff. While current rotator cuff evaluation techniques are used based on best clinical practice or evidence based research, no comprehensive evaluation tool exists that combines these two ideas. Objective: The purpose of this study is to create a concise, comprehensive rotator cuff evaluation tool for a throwing athlete, specifically a baseball or softball player, that includes evidence based research and best clinical practice. Design: The study is a …

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Complex Regional Pain Syndrome: Prevalence And Perception Of Knowledge At Division 1 Institutions., Jessica K. Scott Jan 2008

Complex Regional Pain Syndrome: Prevalence And Perception Of Knowledge At Division 1 Institutions., Jessica K. Scott

Graduate Theses, Dissertations, and Problem Reports (ETD)

Context: Complex Regional Pain Syndrome (CRPS) is a very frustrating disorder to diagnosis and treat. The first and best treatment however is early recognition. Objective: The purpose of the study was to determine the prevalence of Complex Regional Pain Syndrome in college athletes at the Division 1 level and also determine the perception of knowledge of Certified Athletic Trainers at the same institutions. Design: The design of the study was a prospective descriptive analysis, through use of a questionnaire to determine the prevalence of Complex Regional Pain Syndrome and the perception of certified Athletic Trainers. Setting: 91 accredited NCAA Division …

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(Non-Surgical) Epicondylitis Rehabilitation: A Systematic Review., David Stickney Jan 2008

(Non-Surgical) Epicondylitis Rehabilitation: A Systematic Review., David Stickney

Graduate Theses, Dissertations, and Problem Reports (ETD)

Objective: To evaluate the methodological quality of epicondylitis rehabilitation studies found in the current literature. Data Sources: PubMed (1951 - 2008), MDConsult (1980 - 2008), Medline, Web of Science (1985 - 2008), CINAHL (1987- 2008), SPORTDiscus (1976 - 2007), Google Scholar (1928 - 2008), Cochrane Library (1952 - 2007), Science Direct (1940 - 2008) and ERIC (1950 - 2008), from July 2007 to January 2008 were searched using the terms epicondylitis, epicondylalgia, golfer’s elbow, and tennis elbow individually. Second, the term epicondylitis was combined with each of the following words: rehabilitation, anatomy, epidemiology, etiology, strengthening, injections, exercise, therapy, and shockwave. …

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Experimentalism, Relativity And Quantum Mechanics At A Land Grant Institution: West Virginia University, 1920-1960., Eric S. Wright Jan 2008

Experimentalism, Relativity And Quantum Mechanics At A Land Grant Institution: West Virginia University, 1920-1960., Eric S. Wright

Graduate Theses, Dissertations, and Problem Reports (ETD)

This thesis details the response of a land-grant university to the development of quantum mechanics and relativity across a forty-year period. Concurrently with this, it traces the pattern of normal research at the university to show how the development of new physical theories impacted a representative physics department. The Physics department at West Virginia University at first paid little attention to relativity then after 1924 rejected its theoretical underpinnings. Wholesale acceptance of the theory did not occur until after the replacement of the pre-World War II generation of physicists. Quantum mechanics did not make significant inroads at West Virginia University …

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The Evolving Process Of Scenic Design In Lillian Hellman's "Another Part Of The Forest"., Mary Taber Weisse Jan 2008

The Evolving Process Of Scenic Design In Lillian Hellman's "Another Part Of The Forest"., Mary Taber Weisse

Graduate Theses, Dissertations, and Problem Reports (ETD)

This document describes and analyzes the design and construction process for the 2007 production of Another Part of the Forest by the West Virginia University Division of Theatre and Dance. This document is written in partial fulfillment of a Master of Fine Arts degree in Scenic Design. This document will break down the research, design work, construction process, and paperwork needed to create the scenery seen onstage.

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Safety Externalities Of Suvs On Passenger Cars: An Analysis Of The Peltzman Effect Using Fars Data., Maria-Paulina Diosdado-De-La-Pena Jan 2008

Safety Externalities Of Suvs On Passenger Cars: An Analysis Of The Peltzman Effect Using Fars Data., Maria-Paulina Diosdado-De-La-Pena

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the last decade, Sport Utility Vehicles (SUVs) have become a considerable percentage of the US vehicular fleet, giving rise to several highway safety issues such as: vehicular incompatibility, rollover propensity and offsetting driver behavior. While greater mass, stiffness and dimensions of SUVs relative to passenger cars, are safety advantages of SUVs, they may encourage SUV drivers to engage in a trade off between this new level of safety and risk taking behavior, named Peltzman Effect. In this research a model developed by Levitt and Poter (2001) for drinking drivers is applied to assessing the Peltzman Effect of SUVs and …

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Building Better Software: The Applicability Of A Professional Tool For Automating Quality Assessment And Fault Detection., Justin S. Di Stefano Jan 2008

Building Better Software: The Applicability Of A Professional Tool For Automating Quality Assessment And Fault Detection., Justin S. Di Stefano

Graduate Theses, Dissertations, and Problem Reports (ETD)

The size of software applications is growing. It is no longer possible to achieve full coverage in pre-release testing, and in many cases it is not even possible to provide significant partial coverage. Automatic methods such as formal modeling are a possible solution, but they are far too expensive to apply to every piece of developed code. Static code defect detectors provide a solid and dependable means for selecting high risk sections of code for more expensive review, such as formal modeling or manual inspection. Historically, static code defect detectors have been vilified in academic and industrial domains on the …

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An Examination Of Worry And Emotion Regulation In Older And Younger Adults., Christine E. Gould Jan 2008

An Examination Of Worry And Emotion Regulation In Older And Younger Adults., Christine E. Gould

Graduate Theses, Dissertations, and Problem Reports (ETD)

The prevalence of anxiety disorders is lower in older adults compared to younger adults; however, this group of disorders is the most prevalent type of mental disorder in older adults. To date, few studies have examined the specific experience of anxiety among older adults. Further, some studies have found that older adults experience more interference in their lives due to anxiety. The present study aimed to identify age differences in one process related to anxiety: worry. Additionally, differences in self-reported control over one’s emotions and over one’s anxiety were explored. Fifty-one younger adults (M = 21.43, SD = 2.88 years) …

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Development Of Fabrication Processes For Silicon And Gallium Nitride Photonic Crystal Structures., Satish Yeldandi Jan 2008

Development Of Fabrication Processes For Silicon And Gallium Nitride Photonic Crystal Structures., Satish Yeldandi

Graduate Theses, Dissertations, and Problem Reports (ETD)

Photonic crystals are being extensively investigated due to their capability of controlling the properties of light by confining photons in one, two and three dimensions. The sensitivity of optical properties of photonic crystals to the changes in refractive index at one or more lattice sites makes them potential building blocks of high-sensitivity biosensors. Fabrication of photonic crystals, including crucial steps such as lithography and plasma etching, is very challenging due to the nanoscale features. ICP-RIE is one of the preferred etching techniques because of its good control over the aspect ratio, high etch rates, low surface damage and many other …

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The Development Of A Portable Instrumented Indentation System., Jared Michael Tannenbaum Jan 2008

The Development Of A Portable Instrumented Indentation System., Jared Michael Tannenbaum

Graduate Theses, Dissertations, and Problem Reports (ETD)

Recently, considerable interest in material characterization of thin film systems and small volumes has led to the increased use of instrumented indentation. Capable of providing a material’s hardness and elastic modulus value, many consider instrumented indentation to be a non destructive testing technique. Traditionally, the indentation contact area is calculated based on the known indenter geometry and depth of penetration. This technique employs the use of high precision depth sensors which account for much of the cost associated with instrumented indentation systems. A multiple partial unloading technique needs no such sensor, as the indentation depth itself is not needed. A …

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Focal Adhesion Kinase Mediates Caveolin-1 Expression During Epithelial To Mesenchymal Transition: A Novel Pathway Regulating Aspects Of Cell Motility In Cancer., Kelly M. Bailey Jan 2008

Focal Adhesion Kinase Mediates Caveolin-1 Expression During Epithelial To Mesenchymal Transition: A Novel Pathway Regulating Aspects Of Cell Motility In Cancer., Kelly M. Bailey

Graduate Theses, Dissertations, and Problem Reports (ETD)

Caveolin-1, the protein coat of caveolae membrane invaginations, was originally hypothesized to function solely as a tumor suppressor in human cancers. However, since the early 1990s, caveolin-1 has been found to be up-regulated in a number of metastatic cancers. This expression has been shown to correlate with disease progression and decreases in overall patient survival in some tumor types. Further, caveolin-1 expression is elevated in multi-drug resistant cancer cells and caveolae are thought to participate in the efflux pathway to pump drugs out of these tumor cells. The overall goal of these studies was to examine changes in and regulation …

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Seasonal Changes In Diel Cycling Of Dissolved Iron Species In A Coal Mine Drainage Impacted Creek, Daniel B. Harris Jan 2008

Seasonal Changes In Diel Cycling Of Dissolved Iron Species In A Coal Mine Drainage Impacted Creek, Daniel B. Harris

Graduate Theses, Dissertations, and Problem Reports (ETD)

Diel fluctuations of pH, specific conductance and Fe species have been documented in Dillan Creek, a small coal mine-impacted tributary to Deckers Creek, WV. Samples were collected hourly over 16-20 hour periods and analyzed for dissolved Fe(II) and dissolved total Fe using a Hach DR2800 spectrophotometer. Fe(II) concentrations increased during the day and decreased at night during late winter sampling. Sampling conducted in the summer shows an opposite trend with Fe(II) increasing at night and decreasing during the day. Discrepancies between timing of cycles indicate a seasonal variation of controlling mechanisms. In winter, iron cycles are likely controlled by photoreduction …

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Synthesis Of Bowl-Shaped Polycyclic Aromatic Compounds And Homo-Bi-Dentate 4,5-Diarylphenanthrene Ligands, Daehwan Kim Jan 2008

Synthesis Of Bowl-Shaped Polycyclic Aromatic Compounds And Homo-Bi-Dentate 4,5-Diarylphenanthrene Ligands, Daehwan Kim

Graduate Theses, Dissertations, and Problem Reports (ETD)

A new synthetic pathway leading to buckybowls was developed via cascade cyclization reactions of benzannulated enyne-allenes. The convergent assembly of the benzannulated enediynyl propargylic alcohols and the efficient cascade cyclizations of the resulting enyne-allenes leading to polycyclic aromatic dibromides for subsequent palladium-catalyzed intramolecular arylation reactions are the key features of this synthetic pathway. Three new buckybowls with their structures confirmed by X-ray structure analyses were thus synthesized.;Polycyclic aromatic hydrocarbon bearing ten fused ring system was successfully synthesized by using diindeno-fused 4H-cyclopenta[ def]phenanthrene prepared from the thionyl chloride-induced cascade cyclization reactions of the corresponding enediynyl propargylic alcohols. Direct tandem Knoevenagel condensation …

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Identification And Characterization Of The E(Var)3-5 Gene In Drosophila Melanogaster, Pranoti Sahasrabhojane Jan 2008

Identification And Characterization Of The E(Var)3-5 Gene In Drosophila Melanogaster, Pranoti Sahasrabhojane

Graduate Theses, Dissertations, and Problem Reports (ETD)

The goals of my research project were to clone the E(var)3-5 gene and characterize the lethality of E(var)3-5 mutations. The E(var)3-5 gene was identified by dominant mutations that enhanced PEV of wm4, thus implicating the gene product in promoting a euchromatic chromatin structure (Dorn et al. 1993). These mutations were found to be recessive lethal as well and the lethal phenotype was used to map the E(var)3-5 gene (Dorn et al. 1993; this work). I characterized the lethality of E(var)3-5 mutations and found that lethality in E(var)3-5 hemizygotes is manifested at the pupal stage. I mapped the lethality to a …

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Mitigating The Effect Of Covariates In Face Recognition, Richa Singh Jan 2008

Mitigating The Effect Of Covariates In Face Recognition, Richa Singh

Graduate Theses, Dissertations, and Problem Reports (ETD)

Current face recognition systems capture faces of cooperative individuals in controlled environment as part of the face recognition process. It is therefore possible to control lighting, pose, background, and quality of images. However, in a real world application, we have to deal with both ideal and imperfect data. Performance of current face recognition systems is affected for such non-ideal and challenging cases. This research focuses on designing algorithms to mitigate the effect of covariates in face recognition.;To address the challenge of facial aging, an age transformation algorithm is proposed that registers two face images and minimizes the aging variations. Unlike …

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Synthesis Of Polycyclic Aromatics Having Unusual Molecular Architectures Via Cascade Cyclization Reactions Of Enyne -Allenes, Yu-Hsuan Wang Jan 2008

Synthesis Of Polycyclic Aromatics Having Unusual Molecular Architectures Via Cascade Cyclization Reactions Of Enyne -Allenes, Yu-Hsuan Wang

Graduate Theses, Dissertations, and Problem Reports (ETD)

The C2-C6 Schmittel cyclization reaction of the benzannulated enyne-allenes provides an efficient synthetic pathway for the construction of a variety of polycyclic aromatics. By starting from truxenone, the cascade cyclization reactions furnished several unusual and congested polycyclic compounds. The in situ generated enyne-allenes are key intermediates in these cyclization reactions.;A new synthetic approach to 2,2'-disubstituted 1,1'-binaphthyls and related compounds was also successfully developed by using the benzannulated enediynes as precursors. These 1,1'-binaphthyls derivatives can serve as potential BINOL type ligands. The assembly of the enediynyl precursors from three separate aromatic fragments allows the possibility of placing a variety of functional …

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County-Level Analysis Of Small Business And Entrepreneurship In West Virginia: Impact On Rural Economic Growth., Semoa Costa De Sousa-Brown Jan 2008

County-Level Analysis Of Small Business And Entrepreneurship In West Virginia: Impact On Rural Economic Growth., Semoa Costa De Sousa-Brown

Graduate Theses, Dissertations, and Problem Reports (ETD)

West Virginia is one of the nation’s most rural states and historically its economy has been more unstable than that of most states. Over the years, West Virginia has devoted efforts through national and local policy programs to induce economic prosperity, curtail out-migration, and mitigate poverty, yet many of its counties remain economically depressed with high unemployment, deeply rooted poverty, low human capital formation, out-migration, and a shrinking economic base. This means, that the state policy makers need to shift or broaden their policy focus to incorporate small businesses and entrepreneurship approach to development. Studies have shown that small businesses …

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The Felt Needs Of Adult Learners In Today's College Environment: The Growing Significance Of Non-Traditional Students., Antoinette Hando Jan 2008

The Felt Needs Of Adult Learners In Today's College Environment: The Growing Significance Of Non-Traditional Students., Antoinette Hando

Graduate Theses, Dissertations, and Problem Reports (ETD)

A survey was used to identify the felt needs of non-traditional students. The first section identified non-traditional students and their overall demographics. In the needs analysis three major factors were found: flexibility of program requirements, time flexibility and the ability to understand the needs of non-traditional students were identified. These correlated with the literature review done on non-traditional learners. The last section dealt with their feelings concerning technology. It also was found to be comparable to the literature review, which talked about demographics, felt needs, and use of technology. Findings indicated that these nontraditional students felt that new technology was …

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The Third 'I': Creating Of The Fictional History Of Marcus Hubbard., Alexander Pawlowski Jan 2008

The Third 'I': Creating Of The Fictional History Of Marcus Hubbard., Alexander Pawlowski

Graduate Theses, Dissertations, and Problem Reports (ETD)

In this thesis, you will read how I used a specific actor’s tool of analysis, called “The Three ‘I’s,” to create the character of Marcus Hubbard in WVU’s production of Lillian Hellman’s Another Part of the Forest . This technique consists of using “Investigation,” “Inference” and “Invention” to create a biography of the character. This is done so that the actor may know all of the major events in the character’s life, even those not seemingly important to the story of the play. These events shape the character and give him a foundation for the motivations that make him do …

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Aerodynamic Benefits Of Near-Surface-Actuated Circulation Control Blowing Slots For Rotorcraft Use, Gerald M. Angle Ii Jan 2008

Aerodynamic Benefits Of Near-Surface-Actuated Circulation Control Blowing Slots For Rotorcraft Use, Gerald M. Angle Ii

Graduate Theses, Dissertations, and Problem Reports (ETD)

One of the most maintenance intensive components of all present-day helicopters is the swash-plate, and its associated control linkages. This mechanism is also the major contributing factor to fatal accidents associated with helicopter flight. However, the swash-plate is an essential component in providing controlled flight, by transmitting the pilot's control-inputs to the main rotor. Another side-effect of using the swash-plate is that it increases the diameter of the main rotor shaft assembly, slightly increasing the total drag of the aircraft. Thus, there are several benefits that could be achieved by removing the swash-plate of the helicopter.;To enable the removal of …

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High Performance Image Processing Techniques In Automated Identification Systems, Ayman Abaza Jan 2008

High Performance Image Processing Techniques In Automated Identification Systems, Ayman Abaza

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dissertation addresses different image processing problems faced during the development of two different identification systems (i) an automated system for postmortem identification using dental records (dental radiographs), (ii) an automated ear identification system. Automating the postmortem identification of deceased individuals based on dental characteristics is receiving increased attention especially with the large number of victims encountered in mass disasters, as 9/11 attack, and Tsunami. The Automated Dental Identification System (ADIS) can be used by law enforcement agencies to locate missing persons using databases of dental x-rays of human remains and dental scans of missing or unidentified persons. ADIS provides …

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Synthesis Of Azaindoles, Diazaindoles, And Advanced Carbazole Alkaloid Intermediates Via Palladium-Catalyzed Reductive N-Heteroannulation, Grissell M. Carrero-Martinez Jan 2008

Synthesis Of Azaindoles, Diazaindoles, And Advanced Carbazole Alkaloid Intermediates Via Palladium-Catalyzed Reductive N-Heteroannulation, Grissell M. Carrero-Martinez

Graduate Theses, Dissertations, and Problem Reports (ETD)

Over the years, azaindoles and diazaindoles have generated an increased interest due to their structural similarities with indoles and their potential as pharmacologically active compounds. A mild and efficient methodology has been developed for the synthesis of azaindoles and diazaindoles. This novel procedure includes a palladium-catalyzed reductive N-heteroannulation as the key step. This methodology was successfully applied to the synthesis of 4-azaindole, 2-phenyl-5-azaindole, 2-phenyl-6-azaindole, and 7-azaindole. In addition, this method was efficiently utilized to synthesize 2-phenyl-4,6-diazaindole and 2-phenyl-4,5-diazaindole. The reductive N-heteroannulation was carried out in the presence of Pd(dba)2, 1,10-phenanthroline, and carbon monoxide (6 atm) in DMF at 120°C.;A number …

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Noise Attenuation And Communication Enhancement Characteristics Of The Uscg Boat Crew Communication System, Jeffrey S. Clark Jan 2008

Noise Attenuation And Communication Enhancement Characteristics Of The Uscg Boat Crew Communication System, Jeffrey S. Clark

Graduate Theses, Dissertations, and Problem Reports (ETD)

The US Coast Guard is prototyping a new small boat communication system which consists of the MSA Sordin Supreme Pro headset in combination with a wireless communications system. The MSA Sordin headset receives wireless communications input independently from an amplitude-sensitive sound transmission feature which amplifies ambient noise in certain frequency ranges. The purpose of this study was to determine the extent to which the communication system improves speech intelligibility in noise and to measure the noise reducing capabilities of the headset with the amplification feature activated and with it turned off. Overall noise reduction was calculated based on four different …

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