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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

An Approach for Standardization of Datalink Systems

Bolino, John V., Lenz, Russell W. 10 1900 (has links)
International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada / The paper explores the concept of standardization of datalink systems and makes a call for industry involvement in the process of defining an approach to standardization. The objectives are to reduce the Department of Defense (DoD) cost of Major Range and Test Facility Base (MRTFB) operations, to improve interoperability, to have the flexibility to meet unique user needs, to have compatibility with existing systems and standards, and to have the ability to evolve to a next generation of datalink systems. The paper describes several current DoD Central Test and Evaluation Investment Program (CTEIP) projects and shows how dependent and interdependent they are on datalink systems. A new Joint Service CTEIP project, Standard Interoperable Datalink System (SIDS), will become the facilitator in the process of defining a standard datalink, including weapon system/platform telemetry, time-space-position information, target command and control, voice communications, time correlation data, and possibly video.
2

TDRSS Link Budget Design Table

Minnix, Timothy, Horan, Stephen 10 1900 (has links)
International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada / The Consultative Committee for Space Data Systems (CCSDS) has issued a Recommendation CCSDS 401.0-B for Radio Frequency and Modulation Systems to be used in Earth stations and spacecraft. Part of this Recommendation is a standardized design tool for link budget computations. This design tool is intended to assist spacecraft designers in preparing the power and performance designs of their spacecraft for communicating with existing standard ground stations. The present CCSDS Recommendation addresses a link design typical for that found with the Deep Space Network (DSN). DSN link analyses use a large subset of link-specific parameters not of any particular use if the space data link passes through the Tracking and Data Relay Satellite System (TDRSS). The link architecture also differs in that the TDRSS parameter set needs to include an extra link through the satellite (two-hop) link versus a DSN-type link which is single-hop. Conversely, the treatment of ranging, PN coding requirements, and TDRSS acquisition and data group formalities are either not of the same format or not present at all on the DSN-type links. The baseline CCSDS 401 design tool is a Microsoft Excel spreadsheet that can run on an IBM PC or compatible computer. This baseline spreadsheet has been modified to account for the differences between baseline CCSDS model and TDRSS link operations. The paper will discuss the modifications made to the spreadsheet for the TDRSS system details. We will also present example usages of the spreadsheet.
3

Using the Telemetry Attributes Transfer Standard

Takacs, Theodore, Jr. 10 1900 (has links)
International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada / Telemetry attributes are the detailed items of information needed for a receiving/processing system to acquire and process data from a given test item. There are currently as many different ways to describe telemetry attributes as there are different organizations which provide them (instrumentation groups and aircraft/missile manufacturers) and use them (telemetry processing systems/test ranges). The Telemetry Attributes Transfer Standard (TMATS) has been developed as a method of standardizing the transfer of telemetry attributes information. This paper describes the TMATS standard and discusses its purpose and application.
4

IRIG FQPSK-B STANDARDIZATION PROGRESS REPORT

Law, Eugene L. 10 1900 (has links)
International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California / This paper will provide an overview of the process used to develop the bandwidth efficient modulation sections of the Inter-Range Instrumentation Group (IRIG) standard. The modulation method selected was Feher’s patented quadrature phase shift keying (FQPSK-B). The important characteristics of a bandwidth efficient modulation method for aeronautical telemetry will be presented first followed by a summary of the results of the research, laboratory test, and flight test efforts. Future plans will then be summarized followed by the FQPSK-B sections of the current IRIG Telemetry Standard (the standard is available online at: http://tecnet0.jcte.jcs.mil/RCC/oldoc.htm).
5

NASA/LOCKHEED MARTIN-CSOC GROUND NETWORK AND SPACE NETWORK INTEROPERABILITY TESTBED

Martinez, Lindolfo, Muzny, Larry 10 1900 (has links)
International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada / NASA and Lockheed Martin-CSOC have been supporting in the development of plans for the evolution of NASA’s Ground Network (GN) and Space Network (SN), and where possible, synchronizing those plans with plans for the evolution of the Deep Space Network (DSN). This paper describes a recommendation for a common ground system communication architecture based on the Consultative Committee for Space Data Systems (CCSDS) Space Link Extension (SLE).

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