NASA Technical Reports Server (NTRS) : Spectral pdf

NASA Technical Reports Server (NTRS) : Spectral

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Spectral Analysis Tool 6.2 is the latest version of a computer program that assists in analysis of interference between radio signals of the types most commonly used in Earth/spacecraft radio communications. [An earlier version was reported in Software for Analyzing Earth/Spacecraft Radio Interference (NPO-20422), NASA Tech Briefs, Vol. 25, No. 4 (April 2001), page 52.] SAT 6.2 calculates signal spectra, bandwidths, and interference effects for several families of modulation schemes. Several types of filters can be modeled, and the program calculates and displays signal spectra after filtering by any of the modeled filters. The program accommodates two simultaneous signals: a desired signal and an interferer. The interference-to-signal power ratio can be calculated for the filtered desired and interfering signals. Bandwidth-occupancy and link-budget calculators are included for the user s convenience. SAT 6.2 has a new software structure and provides a new user interface that is both intuitive and convenient.

SAT 6.2 incorporates multi-tasking, multi-threaded execution, virtual memory management, and a dynamic link library. SAT 6.2 is designed for use on 32- bit computers employing Microsoft Windows operating systems

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 9/1/2006
• Year: 2006
• Book Topics/Themes: NASA Technical Reports Server (NTRS), SPECTRUM ANALYSIS, COMPUTER PROGRAMS, RADIO COMMUNICATION, RADIO SIGNALS, SPACECRAFT COMMUNICATION, DISPLAY DEVICES, NASA PROGRAMS, MODULATION, VIRTUAL MEMORY SYSTEMS, Morgan, Feiming, Sue, Miles, Peng, Ted, Tan, Harry, Liang, Robert, Kinman, Peter

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