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| fixed length control field |
01444nam a22002897a 4500 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
130926b2012 ph ||||| |||| 00| 0 eng d |
| 022 ## - INTERNATIONAL STANDARD SERIAL NUMBER |
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| International Standard Serial Number |
1908-1995 |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER |
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| Edition number |
21 |
| Classification number |
050/P17 |
| 085 ## - SYNTHESIZED CLASSIFICATION NUMBER COMPONENTS |
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| Number where instructions are found-single number or beginning number of span |
AI 050/P17 |
| 089 ## - |
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| -- |
21 |
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AI 050/P17 |
| 040 ## - CATALOGING SOURCE |
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| Transcribing agency |
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| 100 ## - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Palines, Herbert S. |
| 245 ## - TITLE STATEMENT |
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| Title |
A computer search algorithm for optimum free distance binary convolutional codes./ |
| 246 ## - VARYING FORM OF TITLE |
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| Title proper/short title |
Philippine Computing Journal |
| 300 ## - PHYSICAL DESCRIPTION |
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| Extent |
vol. 7, 4 tables, refs, appendix. |
| 362 ## - DATES OF PUBLICATION AND/OR SEQUENTIAL DESIGNATION |
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| Dates of publication and/or sequential designation |
vol. 7, no. 2 (December, 2012):47-53. |
| 520 ## - SUMMARY, ETC. |
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| Summary, etc. |
A computer search algorithm for optimum free distance (OFD) binary convolutional codes is presented. The algorithm obtains polynomial encoders for rate-1/2 and rate-2/4 OFD binary convolutional codes. For rate-1/2 OFD binary convolutional codes, the search is done for memory 1,2,3,4 and 5 and having Hamming free distances dfree equal to 4,5,6,7 and 8, respectively. Minimal-basic encoders are also derived. The encoders for rate-2/4 OFD binary convolutional codes have memory 2 and dfree - 8 and all are minimal-basic. The resulting codes meet the Griesmer's upper bound on the free distance. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
CONVOLUTIONAL CODES. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
COLUMN DISTANCE. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
ROW DISTANCE. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
FREE DISTANCE. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
DISTANCE PROFILE. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
GRIESMER BOUND. |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Sison, Virgilio P. |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Source of classification or shelving scheme |
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| Koha item type |
Periodicals Journal Bound |
