Accession Number : AD0755908

Title :   Description of PDP-9 Software Used for Advanced Modem Experiments -- Time-of-Arrival Words Distribution Display Program (TIMWD),

Corporate Author : MITRE CORP BEDFORD MASS

Personal Author(s) : Werlin,A. M.

Report Date : DEC 1972

Pagination or Media Count : 100

Abstract : S -- Time-of-Arrival Words Distribution Display Program (TIMWD),2Werlin,A. M. ;MTR-2405-Vol-2F19628-71-C-0002AF-701AESDTR-72-338-Vol-2See also Volume 1, AD-755 907.(*computer programs, instruction manuals), (*modulators, test methods), (*demodulators, test methods), coding, binary arithmetic, data transmission systems, memory devices, statistical analysis, interfaces*modems, binary codes, pdp 9 computers, histograms, data transmission systems, error analysisThe document describes the details of the PDP-9 computer programs which are used for testing and performing experiments with the advanced modems built by D-91. The computer program described in the report calculates and displays in histogram form the Time-of-Arrival word differences and their distributions from the time words contained within the message structure. This distribution provides a measure of the performance of the modem's Fine Sync Detection circuitry as well as its clock stability. (Author)

Descriptors :   (*COMPUTER PROGRAMS, INSTRUCTION MANUALS), (*MODULATORS, TEST METHODS), (*DEMODULATORS, TEST METHODS), CODING, BINARY ARITHMETIC, DATA TRANSMISSION SYSTEMS, MEMORY DEVICES, STATISTICAL ANALYSIS, INTERFACES

Subject Categories : Electrical and Electronic Equipment
      Computer Programming and Software
      Computer Hardware

Distribution Statement : APPROVED FOR PUBLIC RELEASE