A study of digital holographic filter generation

Problems associated with digital computer generation of holograms are discussed along with a criteria for producing optimum digital holograms. This criteria revolves around amplitude resolution and spatial frequency limitations induced by the computer and plotter process

Deed to Fort Hill plantation and enslaved persons between Floride Calhoun, Cornelia M. Calhoun and Andrew P. Calhoun, 1854 May 15

The deed includes a slave schedule naming 50 enslaved persons and their ages. It also includes a land survey map of the 1,102-acre plantation farm

FY13 Planning Task Force Documents: University Library System, University of Pittsburgh, August 2011-June 2012

These documents provide a record of the work of the ULS FY13 Planning Task Force, which initiated and deployed a highly inclusive strategic planning process to analyze the library's strategic options, prioritize them, and identify key actions for implementation in FY13. The ULS FY13 Planning and Budget Report, submitted to the provost's office on 28 February 2012, incorporates the task force's recommended strategic priorities for FY13. Additional task force documents (e.g., meeting agendas, presentations by task force members, and materials related to the group's environmental scan) may be accessed via the library's internal site, Behind the Scenes, at http://bts.library.pitt.edu, under "General Planning.

Integrity Determination for Image Rendering Vision Navigation

This research addresses the lack of quantitative integrity approaches for vision navigation, relying on the use of image or image rendering techniques. The ability to provide quantifiable integrity is a critical aspect for utilization of vision systems as a viable means of precision navigation. This research describes the development of two unique approaches for determining uncertainty and integrity for a vision based, precision, relative navigation system, and is based on the concept of using a single camera vision system, such as an electro-optical (EO) or infrared imaging (IR) sensor, to monitor for unacceptably large and potentially unsafe relative navigation errors. The first approach formulates the integrity solution by means of discrete detection methods, for which the systems monitors for conditions when the platform is outside of a defined operational area, thus preventing hazardously misleading information (HMI). The second approach utilizes a generalized Bayesian inference approach, in which a full pdf determination of the estimated navigation state is realized. These integrity approaches are demonstrated, in the context of an aerial refueling application, to provide extremely high levels (10-6) of navigation integrity. Additionally, various sensitivities analyzes show the robustness of these integrity approaches to various vision sensor effects and sensor trade-offs

Letter From Edith Calhoun Engle to Eleanor Snell

This letter from Edith Bugs Calhoun, Ursinus College Class of 1949, congratulates Eleanor Snell on the occasion of her retirement from Ursinus College.https://digitalcommons.ursinus.edu/snell_docs/1052/thumbnail.jp

Intervention Specialists\u27 Perceptions of a Tutoring Program for High School Students with Disabilities

Students with disabilities (SWD) at an urban high school in Midwestern United States experienced academic, social, and emotional problems. When SWD experience difficulties in high school, they may drop out and face potentially life-long problems. The purpose of this case study was to understand how a Response to Intervention (RTI) tutoring program addressed the academic, social, and emotional needs of students using the RTI model as a conceptual framework. The research questions addressed intervention specialists\u27 perceptions of how use of the RTI model helped them meet SWD needs and what tutoring documents revealed about tutoring practices. Data sources consisted of interviews with 7 purposely selected intervention specialists who worked as special education teachers at the research site for at least 2 years, lesson plans provided by participants, and reviews of 20 student work samples including pre and post assessments. The data were analyzed by coding for emerging ideas related to interventions within the RTI framework and academic and social/emotional issues. The findings revealed that intervention specialists perceived the overarching academic difficulty for SWD was reading deficits, the out-of-class tutoring program was beneficial for SWD academically by using one-on-one and small-group instruction to scaffold success, and RTI was successful socially/emotionally by guiding students to use appropriate classroom behaviors. The results of the documentary data was that the created lessons were academically appropriate for the SWD they taught in the tutoring center. This study can contribute to positive social change by providing guidance to intervention specialists for increasing SWD social and academic success

Flying Black Ponies,

Flying Black Ponies is an effective combi- nation of combat narrative, squadron history, and personal memoir, telling the story of Light Attack Squadron 4 (VAL 4, or the “Black Ponies”), a naval aviation squadron stationed in the Mekong Delta during the Vietnam War. During most of the war, the U.S. Navy made an intense effort with its Mobile Riverine Force to interdict enemy arms and supplies that flowed, primarily from Cambodia, across the Mekong Delta into the area sur- rounding Saigon. Kit Lavell’s book is a readable account of the Black Ponies’ im- portant role in this hazardous interdic- tion campaign