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ContributorsShi, Ge (Performer) / ASU Library. Music Library (Publisher)
Created2018-03-25
ContributorsShatuho, Kristina (Performer) / ASU Library. Music Library (Publisher)
Created2018-03-27
ContributorsCarlisi, Daniel (Performer) / ASU Library. Music Library (Publisher)
Created2018-04-07
Description
Yannis Constantinidis was the last of the handful of composers referred to collectively as the Greek National School. The members of this group strove to create a distinctive national style for Greece, founded upon a synthesis of Western compositional idioms with melodic, rhyhmic, and modal features of their local folk traditions. Constantinidis particularly looked to the folk melodies of his native Asia Minor and the nearby Dodecanese Islands. His musical output includes operettas, musical comedies, orchestral works, chamber and vocal music, and much piano music, all of which draws upon folk repertories for thematic material. The present essay examines how he incorporates this thematic material in his piano compositions, written between 1943 and 1971, with a special focus on the 22 Songs and Dances from the Dodecanese. In general, Constantinidis's pianistic style is expressed through miniature pieces in which the folk tunes are presented mostly intact, but embedded in accompaniment based in early twentieth-century modal harmony. Following the dictates of the founding members of the Greek National School, Manolis Kalomiris and Georgios Lambelet, the modal basis of his harmonic vocabulary is firmly rooted in the characteristics of the most common modes of Greek folk music. A close study of his 22 Songs and Dances from the Dodecanese not only offers a valuable insight into his harmonic imagination, but also demonstrates how he subtly adapts his source melodies. This work also reveals his care in creating a musical expression of the words of the original folk songs, even in purely instrumental compositon.
ContributorsSavvidou, Dina (Author) / Hamilton, Robert (Thesis advisor) / Little, Bliss (Committee member) / Meir, Baruch (Committee member) / Thompson, Janice M (Committee member) / Arizona State University (Publisher)
Created2011
Description
This paper describes six representative works by twentieth-century Chinese composers: Jian-Zhong Wang, Er-Yao Lin, Yi-Qiang Sun, Pei-Xun Chen, Ying-Hai Li, and Yi Chen, which are recorded by the author on the CD. The six pieces selected for the CD all exemplify traits of Nationalism, with or without Western influences. Of the six works on the CD, two are transcriptions of the Han Chinese folk-like songs, one is a composition in the style of the Uyghur folk music, two are transcriptions of traditional Chinese instrumental music dating back to the eighteenth century, and one is an original composition in a contemporary style using folk materials. Two of the composers, who studied in the United States, were strongly influenced by Western compositional style. The other four, who did not study abroad, retained traditional Chinese style in their compositions. The pianistic level of difficulty in these six pieces varies from intermediate to advanced level. This paper includes biographical information for the six composers, background information on the compositions, and a brief analysis of each work. The author was exposed to these six pieces growing up, always believing that they are beautiful and deserve to be appreciated. When the author came to the United States for her studies, she realized that Chinese compositions, including these six pieces, were not sufficiently known to her peers. This recording and paper are offered in the hopes of promoting a wider familiarity with Chinese music and culture.
ContributorsLuo, Yali, D.M.A (Author) / Hamilton, Robert (Thesis advisor) / Campbell, Andrew (Committee member) / Pagano, Caio (Committee member) / Cosand, Walter (Committee member) / Rogers, Rodney (Committee member) / Arizona State University (Publisher)
Created2012
Description
The purpose of this project was to examine the lives and solo piano works of four members of the early generation of female composers in Taiwan. These four women were born between 1950 and 1960, began to appear on the Taiwanese musical scene after 1980, and were still active as composers at the time of this study. They include Fan-Ling Su (b. 1955), Hwei-Lee Chang (b. 1956), Shyh-Ji Pan-Chew (b. 1957), and Kwang-I Ying (b. 1960). Detailed biographical information on the four composers is presented and discussed. In addition, the musical form and features of all solo piano works at all levels by the four composers are analyzed, and the musical characteristics of each composer's work are discussed. The biography of a fifth composer, Wei-Ho Dai (b. 1950), is also discussed but is placed in the Appendices because her piano music could not be located. This research paper is presented in six chapters: (1) Prologue; the life and music of (2) Fan-Ling Su, (3) Hwei-Lee Chang, (4) Shyh-Ji Pan-Chew, and (5) Kwang-I Ying; and (6) Conclusion. The Prologue provides an overview of the development of Western classical music in Taiwan, a review of extant literature on the selected composers and their music, and the development of piano music in Taiwan. The Conclusion is comprised of comparisons of the four composers' music, including their personal interests and preferences as exhibited in their music. For example, all of the composers have used atonality in their music. Two of the composers, Fan-Ling Su and Kwang-I Ying, openly apply Chinese elements in their piano works, while Hwei-Lee Chang tries to avoid direct use of the Chinese pentatonic scale. The piano works of Hwei-Lee Chang and Shyh-Ji Pan-Chew are chromatic and atonal, and show an economical usage of material. Biographical information on Wei-Ho Dai and an overview of Taiwanese history are presented in the Appendices.
ContributorsWang, Jinding (Author) / Pagano, Caio (Thesis advisor) / Campbell, Andrew (Committee member) / Humphreys, Jere T. (Committee member) / Meyer-Thompson, Janice (Committee member) / Norton, Kay (Committee member) / Arizona State University (Publisher)
Created2011
ContributorsShi, Zhan (Performer) / ASU Library. Music Library (Publisher)
Created2018-03-26
Description
Cognitive Radios (CR) are designed to dynamically reconfigure their transmission and/or reception parameters to utilize the bandwidth efficiently. With a rapidly fluctuating radio environment, spectrum management becomes crucial for cognitive radios. In a Cognitive Radio Ad Hoc Network (CRAHN) setting, the sensing and transmission times of the cognitive radio play a more important role because of the decentralized nature of the network. They have a direct impact on the throughput. Due to the tradeoff between throughput and the sensing time, finding optimal values for sensing time and transmission time is difficult. In this thesis, a method is proposed to improve the throughput of a CRAHN by dynamically changing the sensing and transmission times. To simulate the CRAHN setting, ns-2, the network simulator with an extension for CRAHN is used. The CRAHN extension module implements the required Primary User (PU) and Secondary User (SU) and other CR functionalities to simulate a realistic CRAHN scenario. First, this work presents a detailed analysis of various CR parameters, their interactions, their individual contributions to the throughput to understand how they affect the transmissions in the network. Based on the results of this analysis, changes to the system model in the CRAHN extension are proposed. Instantaneous throughput of the network is introduced in the new model, which helps to determine how the parameters should adapt based on the current throughput. Along with instantaneous throughput, checks are done for interference with the PUs and their transmission power, before modifying these CR parameters. Simulation results demonstrate that the throughput of the CRAHN with the adaptive sensing and transmission times is significantly higher as compared to that of non-adaptive parameters.
ContributorsBapat, Namrata Arun (Author) / Syrotiuk, Violet R. (Thesis advisor) / Ahn, Gail-Joon (Committee member) / Xue, Guoliang (Committee member) / Arizona State University (Publisher)
Created2012
Description
Photosystem II (PSII) is a large protein-cofactor complex. The first step in
photosynthesis involves the harvesting of light energy from the sun by the antenna (made
of pigments) of the PSII trans-membrane complex. The harvested excitation energy is
transferred from the antenna complex to the reaction center of the PSII, which leads to a
light-driven charge separation event, from water to plastoquinone. This phenomenal
process has been producing the oxygen that maintains the oxygenic environment of our
planet for the past 2.5 billion years.
The oxygen molecule formation involves the light-driven extraction of 4 electrons
and protons from two water molecules through a multistep reaction, in which the Oxygen
Evolving Center (OEC) of PSII cycles through 5 different oxidation states, S0 to S4.
Unraveling the water-splitting mechanism remains as a grant challenge in the field of
photosynthesis research. This requires the development of an entirely new capability, the
ability to produce molecular movies. This dissertation advances a novel technique, Serial
Femtosecond X-ray crystallography (SFX), into a new realm whereby such time-resolved
molecular movies may be attained. The ultimate goal is to make a “molecular movie” that
reveals the dynamics of the water splitting mechanism using time-resolved SFX (TRSFX)
experiments and the uniquely enabling features of X-ray Free-Electron Laser
(XFEL) for the study of biological processes.
This thesis presents the development of SFX techniques, including development of
new methods to analyze millions of diffraction patterns (~100 terabytes of data per XFEL
experiment) with the goal of solving the X-ray structures in different transition states.
ii
The research comprises significant advancements to XFEL software packages (e.g.,
Cheetah and CrystFEL). Initially these programs could evaluate only 8-10% of all the
data acquired successfully. This research demonstrates that with manual optimizations,
the evaluation success rate was enhanced to 40-50%. These improvements have enabled
TR-SFX, for the first time, to examine the double excited state (S3) of PSII at 5.5-Å. This
breakthrough demonstrated the first indication of conformational changes between the
ground (S1) and the double-excited (S3) states, a result fully consistent with theoretical
predictions.
The power of the TR-SFX technique was further demonstrated with proof-of principle
experiments on Photoactive Yellow Protein (PYP) micro-crystals that high
temporal (10-ns) and spatial (1.5-Å) resolution structures could be achieved.
In summary, this dissertation research heralds the development of the TR-SFX
technique, protocols, and associated data analysis methods that will usher into practice a
new era in structural biology for the recording of ‘molecular movies’ of any biomolecular
process.
photosynthesis involves the harvesting of light energy from the sun by the antenna (made
of pigments) of the PSII trans-membrane complex. The harvested excitation energy is
transferred from the antenna complex to the reaction center of the PSII, which leads to a
light-driven charge separation event, from water to plastoquinone. This phenomenal
process has been producing the oxygen that maintains the oxygenic environment of our
planet for the past 2.5 billion years.
The oxygen molecule formation involves the light-driven extraction of 4 electrons
and protons from two water molecules through a multistep reaction, in which the Oxygen
Evolving Center (OEC) of PSII cycles through 5 different oxidation states, S0 to S4.
Unraveling the water-splitting mechanism remains as a grant challenge in the field of
photosynthesis research. This requires the development of an entirely new capability, the
ability to produce molecular movies. This dissertation advances a novel technique, Serial
Femtosecond X-ray crystallography (SFX), into a new realm whereby such time-resolved
molecular movies may be attained. The ultimate goal is to make a “molecular movie” that
reveals the dynamics of the water splitting mechanism using time-resolved SFX (TRSFX)
experiments and the uniquely enabling features of X-ray Free-Electron Laser
(XFEL) for the study of biological processes.
This thesis presents the development of SFX techniques, including development of
new methods to analyze millions of diffraction patterns (~100 terabytes of data per XFEL
experiment) with the goal of solving the X-ray structures in different transition states.
ii
The research comprises significant advancements to XFEL software packages (e.g.,
Cheetah and CrystFEL). Initially these programs could evaluate only 8-10% of all the
data acquired successfully. This research demonstrates that with manual optimizations,
the evaluation success rate was enhanced to 40-50%. These improvements have enabled
TR-SFX, for the first time, to examine the double excited state (S3) of PSII at 5.5-Å. This
breakthrough demonstrated the first indication of conformational changes between the
ground (S1) and the double-excited (S3) states, a result fully consistent with theoretical
predictions.
The power of the TR-SFX technique was further demonstrated with proof-of principle
experiments on Photoactive Yellow Protein (PYP) micro-crystals that high
temporal (10-ns) and spatial (1.5-Å) resolution structures could be achieved.
In summary, this dissertation research heralds the development of the TR-SFX
technique, protocols, and associated data analysis methods that will usher into practice a
new era in structural biology for the recording of ‘molecular movies’ of any biomolecular
process.
ContributorsBasu, Shibom, 1988- (Author) / Fromme, Petra (Thesis advisor) / Spence, John C.H. (Committee member) / Wolf, George (Committee member) / Ros, Robert (Committee member) / Fromme, Raimund (Committee member) / Arizona State University (Publisher)
Created2015
ContributorsLee, Eunhwa (Performer) / ASU Library. Music Library (Publisher)
Created2018-03-17