Numerical Arc Segmentation Algorithm for a Radio Conference--Nasarc

Numerical Arc Segmentation Algorithm for a Radio Conference--Nasarc

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Original publisher: Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center; [Springfield, Va.: For sale by the National Technical Information Service, 1988] OCLC Number: (OCoLC)25979135 Subject: Artificial satellites -- Orbits -- Handbooks, manuals, etc. Excerpt: ... TABLE 2.2-6--Continued. Program / subprogram name Purpose of program / subprogram GRPBUF Deternune group transitional arc by examining service area transitional arcs of member service areas, selecting largest. PTACHK Find prior temporary allotted arcs lying within, overlapping desired potential temporary allotted arc. For each of these, determine if contiguous arc space is available within group arc to move allottec arc to location allowing desired arc to be allotted. ADDBOA Add group's temporary allotted arc to binary orbital arc replica. XTRACT Extract critical group members from given group in master list. PULL Places individual service areas from group into separate elements of array. INDEX2 Find starting column of 3-character service area code within group character string. CHKI80 Logical function subprogram; determines if given arc span straddles 180 q meridian. ADJSTI Adjust two longitudes defining arc boundaries so that westernmost edge is numerically less than easternmost edge; both in range O * to 360 *. COMBIN Used in subset arc extension, when forming critical groups sublist. QUICKI Used in groups list updating process; employs Quicksort algorithm ( devised by CAR. Hoare ). Sort groups list alphabetically; for same group. order group arcs west to east. For duplicate groups with same west longitude, places group arc extending furthest east first. PART 1 Partitioning module, used by QUICKI. QUICK2 Used in forming the critical groups sublist; employs Quicksort algorithm. Perform compound sort on sublist; first, on number of members in group ( descending order ); then on group arc length ( descending order ); then group's total frequency of occurrence ( as...Original publisher: Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center; [Springfield, Va.: For sale by the National Technical Information Service, 1988] OCLC Number: (OCoLC)25979135 Subject: Artificial ...


Title:Numerical Arc Segmentation Algorithm for a Radio Conference--Nasarc
Author: U.S. Government
Publisher:Books LLC - 2011-10
ISBN-13:

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