Statement of Work Sub-Task: Tracking Data Reader/Writer
Statement of Work Sub-Task: Tracking Data Reader/Writer
Statement of Work Sub-Task: Tracking Data Reader/Writer
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formats for specific data types are not fully specified, the contractor shall extend theformats using established CCSDS and FDF standards.<strong>Sub</strong>-<strong>Task</strong>: Navigation Component Development<strong>Task</strong> Scope: The contractor shall resume development <strong>of</strong> GMAT navigation components bydocumenting, refactoring, and testing selected navigation components developed, but notcompleted, under previous development efforts. The contractor shall also implement newfunctionality identified below. Upon completion <strong>of</strong> this effort, the selected navigationcomponents will be fully documented, tested, and free <strong>of</strong> critical bugs.The primary activities are:(1) Review and document the status <strong>of</strong> the estimation subsystem and providerecommendations for refactoring and modularization to support extensibility for newestimators, data types, and solve-for parameters.(2) Perform selected, high priority re-factorizations <strong>of</strong> GMAT navigation components. . Thecontractor shall prioritize re-factorizations to support extensibility in the areas <strong>of</strong> newmeasurement data types, , new solve-for parameters.(3) Perform V&V, update documentation, test, and resolve critical defects for selected,existing navigation subsystem components.Batch least squares estimatorMeasurement simulatorSensorso Transmittero Transpondero Antennao Receiver<strong>Tracking</strong> Systems/Measurement Modelso USN• Two-way rangeo TDRSS• 4-way range(4) Implement at minimum one <strong>of</strong> the following new tracking data models by direction <strong>of</strong>the task monitorTDRSS differenced one-way DopplerTDRSS five-leg, two-way DopplerTDRSS two-leg two-way tone range measurements from the TT&C linkProcess Requirements: The contractor shall use standard GMAT processes fordocumentation, test procedures, issue tracking, and regression testing.Staffing Requirements: This task shall be staffed with a team composed <strong>of</strong> senior s<strong>of</strong>twareengineers trained in C++ and s<strong>of</strong>tware engineering practices, advanced working knowledgein GMAT’s design and implementation, s<strong>of</strong>tware testers, and technical writers for end-userdocumentation.
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