Barrett, The Honors College at Arizona State University proudly showcases the work of undergraduate honors students by sharing this collection exclusively with the ASU community.

Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

Displaying 1 - 10 of 49
136707-Thumbnail Image.png
Description
Pacemakers in the early 1970s were powered by betavoltaic devices which provided long lasting battery life. The betavoltaic devices also emitted gamma radiation due to inadvertent radioisotope contamination, which could not be completely shielded. The betavoltaic devices were quickly replaced by lithium batteries after their invention, and betavoltaics were abandoned.

Pacemakers in the early 1970s were powered by betavoltaic devices which provided long lasting battery life. The betavoltaic devices also emitted gamma radiation due to inadvertent radioisotope contamination, which could not be completely shielded. The betavoltaic devices were quickly replaced by lithium batteries after their invention, and betavoltaics were abandoned. Modern technological advancements made it possible to isolate beta emitting radioisotopes properly and achieve better energy conversion efficiencies which revived the topic of betavoltaics. This research project has studied state-of-the-art pacemakers and modern radioactive power sources in order to determine if modern pacemakers can be safely nuclear powered and if that is a reasonable combination.
ContributorsAwad, Al-Homam Abdualrahman (Author) / Holbert, Keith (Thesis director) / Aberle, James (Committee member) / Barrett, The Honors College (Contributor) / Electrical Engineering Program (Contributor)
Created2014-12
136194-Thumbnail Image.png
Description
Generally, increasing the electrical size of an antenna will increase the directivity of the antenna. In the case of an array of identical antennas with uniform spacing, the electrical size can be increased by increasing the number of elements. However, directivity can be further increased by performing signal processing on

Generally, increasing the electrical size of an antenna will increase the directivity of the antenna. In the case of an array of identical antennas with uniform spacing, the electrical size can be increased by increasing the number of elements. However, directivity can be further increased by performing signal processing on the signals received by elements of an antenna array. This thesis focuses primarily on reproducing and expanding upon a method to increase the directivity of a two-element array using non-linear transmission lines periodically loaded with varactor diodes, which act as harmonic multipliers. Simulation and circuit design is performed using Keysight Advanced Design System, a microwave circuit simulation software package. Furthermore, a hardware implementation is discussed and recommendations are made for construction of the hardware array. Finally, possible expansion of the two-element array to a four or more element array is discussed, and preliminary simulations are examined.
ContributorsHanson, Elliot (Author) / Diaz, Rudolfo (Thesis director) / Aberle, James (Committee member) / Barrett, The Honors College (Contributor) / School of Electrical, Computer, and Energy Engineering (Contributor)
Created2015-05
133643-Thumbnail Image.png
Description
Drawing on existing scholarship as well as primary analytical materials, the research within this report demonstrates Wile E. Coyote's character is reliant on human connectivity and is evocative of the human condition, reflecting his disciplined and stylized design he possesses. Comprised of literary, film/media, and rhetorical elements, this report illustrates

Drawing on existing scholarship as well as primary analytical materials, the research within this report demonstrates Wile E. Coyote's character is reliant on human connectivity and is evocative of the human condition, reflecting his disciplined and stylized design he possesses. Comprised of literary, film/media, and rhetorical elements, this report illustrates how Wile E. is an individual whose character holds various influences that provide dimensionality to his existence. The research within this report is both primary and secondary through observational recordings about the cartoons Wile E. appears in and through thorough analysis of texts elaborating on the elements comprising Wile E.'s character. Primary research from the initial observational recordings provides direction for the secondary research after viewing multiple cartoons and films containing Wile E. Coyote in his Warner Brothers Studios appearances and noting unique moments in his cinematic career. The notes from this viewing of Wile E. in his natural "habitat" drive the secondary research to focus on specific aspects of Wile E.'s character through the analysis of supporting texts which ultimately leads to the findings within this report. Research in the fields of literature, film/media studies, and rhetoric shape the analysis of Wile E.'s character as this report studies the various components compiled within the cartoon coyote. As a multifaceted individual, Wile E. illustrates a complexity within a stylized character that allows viewers to connect to his plights and to identify with his struggles. Through his emulative form, Wile E. embodies vital elements of character creation that allow him to become a memorable and prominent character that resonates in viewers and artists. From Wile E. Coyote's example, future generations of story tellers, regardless of their medium, can learn how to create similarly iconic and timeless characters within their works. Such stories can then contribute significant additions to popular narrative and characterization.
ContributorsGarza, Christopher Aaron (Author) / Baldini, Cajsa (Thesis director) / Mack, Robert (Committee member) / Sandler, Kevin (Committee member) / Department of English (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
137496-Thumbnail Image.png
Description
A hybrid PV/T module was built, consisting of a thermal liquid heating system and a photovoltaic module system that combine in a hybrid format. This report will discuss the work on the project from Fall 2012 to Spring 2013 and the extended section on the economics for the Honors Thesis.

A hybrid PV/T module was built, consisting of a thermal liquid heating system and a photovoltaic module system that combine in a hybrid format. This report will discuss the work on the project from Fall 2012 to Spring 2013 and the extended section on the economics for the Honors Thesis. Three stages of experiments were completed. Stage 1 showed our project was functional as we were able to verify our panel produced electricity and increased the temperature of water flowing in the system by 0.65°C. Stage 2 testing included “gluing” the flow system to the back of the panel resulting in an average increase of 4.76°C in the temperature of the water in the system. Stage 3 testing included adding insulating foam to the module which resulted in increasing the average temperature of the water in our flow system by 6.95°C. The economic calculations show the expected energy cost savings for Arizona residents.
ContributorsHaines, Brent Robert (Author) / Roedel, Ronald (Thesis director) / Aberle, James (Committee member) / Rauch, Dawson (Committee member) / Barrett, The Honors College (Contributor) / Electrical Engineering Program (Contributor)
Created2013-05
137463-Thumbnail Image.png
Description
A hybrid PV/T module was built, consisting of a thermal liquid heating system and a photovoltaic module system that combine in a hybrid format. This report will discuss the work on the project from Fall 2012 to Spring 2013. Three stages of experiments were completed. Stage 1 showed our project

A hybrid PV/T module was built, consisting of a thermal liquid heating system and a photovoltaic module system that combine in a hybrid format. This report will discuss the work on the project from Fall 2012 to Spring 2013. Three stages of experiments were completed. Stage 1 showed our project was functional as we were able to verify our panel produced electricity and increased the temperature of water flowing in the system by 0.65°C. Stage 2 testing included “gluing” the flow system to the back of the panel resulting in an average increase of 4.76°C in the temperature of the water in the system. Stage 3 testing included adding insulating foam to the module which resulted in increasing the average temperature of the water in our flow system by 6.95°C.
ContributorsDenke, Steven Michael (Author) / Roedel, Ron (Thesis director) / Aberle, James (Committee member) / Rauch, Dawson (Committee member) / Barrett, The Honors College (Contributor) / Electrical Engineering Program (Contributor)
Created2013-05
135260-Thumbnail Image.png
Description
In modern remote sensing, arrays of sensors, such as antennas in radio frequency (RF) systems and microphones in acoustic systems, provide a basis for estimating the direction of arrival of a narrow-band signal at the sensor array. A Uniform linear array (ULA) is the most well-studied array geometry in that

In modern remote sensing, arrays of sensors, such as antennas in radio frequency (RF) systems and microphones in acoustic systems, provide a basis for estimating the direction of arrival of a narrow-band signal at the sensor array. A Uniform linear array (ULA) is the most well-studied array geometry in that its performance characteristics and limitations are well known, especially for signals originating in the far field. In some instances, the geometry of an array may be perturbed by an environmental disturbance that actually changes its nominal geometry; such as, towing an array behind a moving vehicle. Additionally, sparse arrays have become of interest again due to recent work in co-prime arrays. These sparse arrays contain fewer elements than a ULA but maintain the array length. The effects of these alterations to a ULA are of interest. Given this motivation, theoretical and experimental (i.e. via computer simulation) processes are used to determine quantitative and qualitative effects of perturbation and sparsification on standard metrics of array performance. These metrics include: main lobe gain, main lobe width and main lobe to side lobe ratio. Furthermore, in order to ascertain results/conclusions, these effects are juxtaposed with the performance of a ULA. Through the perturbation of each element following the first element drawn from a uniform distribution centered around the nominal position, it was found that both the theoretical mean and sample mean are relatively similar to the beam pattern of the full array. Meanwhile, by using a sparsification method of maintaining all the lags, it was found that this particular method was unnecessary. Simply taking out any three elements while maintaining the length of the array will produce similar results. Some configurations of elements give a better performance based on the metrics of interest in comparison to the ULA. These results demonstrate that a sparsified, perturbed or sparsified and perturbed array can be used in place of a Uniform Linear Array depending on the application.
ContributorsSilbernagel, Drake Oliver (Author) / Cochran, Douglas (Thesis director) / Aberle, James (Committee member) / Electrical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
132865-Thumbnail Image.png
Description
American society reflects a never-ending cycle of sociopolitical anxiety; as one source of anxiety disappears, another materializes. One of the most prominent and relevant examples of a sociopolitical anxiety currently plaguing the United States is our government, especially the president. Donald Trump, a successful businessman with no political background who

American society reflects a never-ending cycle of sociopolitical anxiety; as one source of anxiety disappears, another materializes. One of the most prominent and relevant examples of a sociopolitical anxiety currently plaguing the United States is our government, especially the president. Donald Trump, a successful businessman with no political background who is infamous for his crass, rude demeanor, is currently in charge of the United States. At the Women’s March in Washington on January 21, 2018, a protestor held up a sign reading “This episode of Black Mirror sucks” in response to President Trump’s election into office. Women, especially, have felt so threatened by Trump’s presence that they have made comparisons between the current political reality and the depressing dystopias illustrated in Netflix’s series Black Mirror. Such comparisons speak volumes about the current state of our country, suggesting that our future is likely to devolve into one similar to the exaggerated and decidedly dark futures portrayed in the series.
In order to evaluate this sentiment, this thesis will explore the representation of various modern social anxieties as presented in five different episodes of Black Mirror: “Fifteen Million Merits,” “White Bear,” “Nosedive,” “Men Against Fire,” and “Hang the DJ.” The essay begins with a brief introduction to the series and background information that explores the modern relationship between technology and some of the anxieties it raises. Following this contextualization, I will present a definitional section that outlines the various concepts that are relevant to dystopias and the ones depicted in Black Mirror specifically. The next segment discusses the more specific evolution of technology within dystopias. I will analyze nondiegetic and extratextual material related to the series, such as the Black Mirror theme music and the posters used to advertise the series. This section will also include some background information about the show, including its structure and the intentions of the creator as expressed in interviews. The main portion of the thesis will use the aforementioned episodes to demonstrate the various threats that technology presents to the individual, such as commodification, an illusion of agency, emotional and mental deterioration, and obtaining pleasure from violence. The paper also discusses the threats that technology poses to society including brainwashing, a lack of authenticity in social interactions, the presence of monotony, and dehumanization. Finally, a concluding section will explain how the series Black Mirror represents prominent modern social anxieties and conveys why contemporary users of technology should fear it.
ContributorsRamesh, Bhavna (Author) / Miller, April (Thesis director) / Mack, Robert (Committee member) / School of Sustainability (Contributor) / Harrington Bioengineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05
133255-Thumbnail Image.png
Description
In the late 2000s and 2010s, digital art and the use of the internet as a new platform for art to be displayed became increasingly common. A new art scene began developing among South Asian diasporic artists, driven primarily by adolescents and young adult women who have never attended art

In the late 2000s and 2010s, digital art and the use of the internet as a new platform for art to be displayed became increasingly common. A new art scene began developing among South Asian diasporic artists, driven primarily by adolescents and young adult women who have never attended art school. Their primary medium is digital tools, their primary display platform is the internet, and they adhere to a DIY ("do-it-yourself") ethic rather than traditional art techniques and norms. As these internet artists have forgone the traditional gallery art scene in favor of more accessible internet platforms, these artists have not received attention from the mainstream art world. However, the popularity of these internet artists is undeniable as many of them have tens of thousands and hundreds of thousands of followers on their social media accounts. This new art scene has gained notice with the advent of social media platforms such as Tumblr and Instagram and websites focused on youth culture and counterculture, such as Vice, Buzzfeed, Dazed, and independent digital zine publications. The content of the work of these artists is often political, promoting feminist ideals, challenging South Asian and European beauty standards and limiting stereotypes of South Asian women, and creating groundbreaking new representations of South Asian women. Influences from both South Asian and Western pop culture and counterculture are prominent in their as well. This thesis explores the origins of this art scene and its roots in South Asian modernism and conventional South Asian diasporic artists.
ContributorsKhan, Nevine (Author) / Bhattacharjya, Nilanjana (Thesis director) / Mack, Robert (Committee member) / School of Life Sciences (Contributor) / School of International Letters and Cultures (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
134093-Thumbnail Image.png
Description
Remotely controlled flying vehicles such as UAVs are becoming more common due to decreases in material costs and increases in performance of components. Radio control link options, however, have not improved at the same rate as airframes, motors, flight controllers, etc [HobbyKing]. Most UAVs require a radio link, often at

Remotely controlled flying vehicles such as UAVs are becoming more common due to decreases in material costs and increases in performance of components. Radio control link options, however, have not improved at the same rate as airframes, motors, flight controllers, etc [HobbyKing]. Most UAVs require a radio link, often at 2.4 GHz, for flight control, and a second link at 915 MHz for telemetry data transmission [HobbyKing]. Occasionally there is also a video link at either 2.4 GHz or 5.8 GHz. Having multiple transmitters increase power usage from the limited battery reserve that the UAV carries. It also increases weight and space used on the airframe. In addition, the 2.4 GHz band is often congested [ISM Congestion] and does not provide as great a range for a given transmission power as lower frequencies do [Wu]. Attempting to reduce space and weight, power consumption, and simplify design, while increasing control and telemetry range requires the design, testing, and implementation of a radio link that handles both real-time flight control and telemetry with the same transceiver. Only the flight control and telemetry will be addressed in this project. Merging and/or improving the video link will not be tackled at this time in order to simplify project goals to fit inside time constraints. The new radio link system will be verified for functionality then power and range test data will be gathered to determine how effective it is.
ContributorsPortillo-Wightman, Gabrielle Raquel (Author) / Goryll, Michael (Thesis director) / Aberle, James (Committee member) / Electrical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2017-12
135132-Thumbnail Image.png
Description
The purpose of the Very Long Instruction Word (VLIW) Remotely Reconfigurable DSP Element is to use VLIW as a design process and to design hardware components of a reconfigurable DSP Element and ascertaining the overall length of the Very Long Instruction Word. This project is focused solely on hardware components

The purpose of the Very Long Instruction Word (VLIW) Remotely Reconfigurable DSP Element is to use VLIW as a design process and to design hardware components of a reconfigurable DSP Element and ascertaining the overall length of the Very Long Instruction Word. This project is focused solely on hardware components being designed by hand with regards to certain specifications deemed by General Dynamics Mission Systems, and using the designs, finding the overall length of the VLIW for use in future work. To design each of the elements, General Dynamics had specified several requirements. Each element was then designed individually according to the requirements. After the initial design, each was sent back for a design review from General Dynamics, and after revision, all parts were linked together for an overall calculation on the length of the VLIW. VLIW Reconfigurable DSP Elements is not a new concept, but has yet to have a proof of concept published. Future work includes a proof of concept with software (done by the ASU Capstone team), then future development by General Dynamics. Should they choose to continue with this project, they will continue testing on FPGA boards, and perhaps future development into an ASIC. Overall the purpose of General Dynamics for proposing this project is for deep space payloads, for which this project has the most applications.
ContributorsYiin, Nathan Kehan (Author) / Clark, Lawrence (Thesis director) / Aberle, James (Committee member) / Electrical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2016-12