Class information for:
Level 1: CONSTRAINED CODES//MODULATION CODES//DIGITAL MAGNETIC RECORDING

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
1 4 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY 2188495
556 3       CHALCOGENIDE GLASSES//CHALCOGENIDES//PHASE CHANGE MEMORY 18113
1276 2             PHASE CHANGE MEMORY//OPTICAL DISK//GE2SB2TE5 9078
9678 1                   CONSTRAINED CODES//MODULATION CODES//DIGITAL MAGNETIC RECORDING 1163

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CONSTRAINED CODES authKW 675343 3% 69% 36
2 MODULATION CODES authKW 425314 2% 83% 19
3 DIGITAL MAGNETIC RECORDING authKW 423387 2% 63% 25
4 PRML authKW 398743 3% 45% 33
5 OPT MEMORY ENGN address 349610 2% 56% 23
6 PRML SYSTEM authKW 320891 1% 79% 15
7 RUNLENGTH LIMITED CODES authKW 305300 1% 87% 13
8 CONSTRAINED CODING authKW 261029 1% 57% 17
9 RLL authKW 252216 1% 85% 11
10 VITERBI DETECTOR authKW 218064 1% 62% 13

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Electrical & Electronic 23874 82% 0% 955
2 Telecommunications 4649 17% 0% 202
3 Physics, Applied 4126 39% 0% 455
4 Computer Science, Information Systems 3943 16% 0% 182
5 Computer Science, Hardware & Architecture 271 3% 0% 35
6 Computer Science, Theory & Methods 32 2% 0% 25
7 Imaging Science & Photographic Technology 19 1% 0% 9
8 Engineering, General 8 1% 0% 14
9 Computer Science, Software Engineering 4 1% 0% 11
10 Music 2 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPT MEMORY ENGN 349610 2% 56% 23
2 PRECIS RUMENT MECH 129028 1% 48% 10
3 OPT MEM ENGN 108392 0% 100% 4
4 SIGNAL PROC DEV 108392 0% 100% 4
5 CODING SIGNAL PROC 108388 1% 67% 6
6 DCT TEAM 81294 0% 100% 3
7 OMNERC 81294 0% 100% 3
8 HOME ELECT DEV GRPSHINAGAWA KU 54196 0% 100% 2
9 OPT SYST DEV 39410 0% 36% 4
10 ENGN OPT MEMORY 36129 0% 67% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON MAGNETICS 109379 32% 1% 370
2 IEEE TRANSACTIONS ON INFORMATION THEORY 65238 13% 2% 152
3 IEEE TRANSACTIONS ON COMMUNICATIONS 15845 7% 1% 76
4 PHILIPS JOURNAL OF RESEARCH 13686 1% 4% 13
5 IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 13335 4% 1% 49
6 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 6266 3% 1% 36
7 ELECTRONICS LETTERS 4715 7% 0% 84
8 ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS 4161 1% 1% 14
9 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 3708 6% 0% 66
10 IEE PROCEEDINGS-COMMUNICATIONS 2726 1% 1% 10

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CONSTRAINED CODES 675343 3% 69% 36 Search CONSTRAINED+CODES Search CONSTRAINED+CODES
2 MODULATION CODES 425314 2% 83% 19 Search MODULATION+CODES Search MODULATION+CODES
3 DIGITAL MAGNETIC RECORDING 423387 2% 63% 25 Search DIGITAL+MAGNETIC+RECORDING Search DIGITAL+MAGNETIC+RECORDING
4 PRML 398743 3% 45% 33 Search PRML Search PRML
5 PRML SYSTEM 320891 1% 79% 15 Search PRML+SYSTEM Search PRML+SYSTEM
6 RUNLENGTH LIMITED CODES 305300 1% 87% 13 Search RUNLENGTH+LIMITED+CODES Search RUNLENGTH+LIMITED+CODES
7 CONSTRAINED CODING 261029 1% 57% 17 Search CONSTRAINED+CODING Search CONSTRAINED+CODING
8 RLL 252216 1% 85% 11 Search RLL Search RLL
9 VITERBI DETECTOR 218064 1% 62% 13 Search VITERBI+DETECTOR Search VITERBI+DETECTOR
10 TIMING RECOVERY 214554 2% 28% 28 Search TIMING+RECOVERY Search TIMING+RECOVERY

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 30392 SMPTE JOURNAL//D8 15//HIGH FRAME RATE SEQUENCE
2 977 PERPENDICULAR RECORDING//PERPENDICULAR MAGNETIC RECORDING//IEEE TRANSACTIONS ON MAGNETICS
3 27921 DELETION CHANNEL//INSERTION DELETION CHANNELS//MARKER CODES
4 25860 VITERBI DECODER//VITERBI DECODING//ADD COMPARE SELECT ACS
5 25865 LAND GROOVE RECORDING//DVD PICKUP HEAD//DWDD
6 14565 TRELLIS CODED MODULATION//MULTISTAGE DECODING//TRELLIS CODED MODULATION TCM
7 29858 PERMUTATION CODES//PERMUTATION ARRAYS//RANK MODULATION
8 16598 DECISION FEEDBACK EQUALIZER//DECISION FEEDBACK EQUALIZATION//EQUALIZATION
9 17536 UNIDIRECTIONAL ERRORS//SELF CHECKING CIRCUITS//BALANCED CODES
10 21342 MINIMUM BIT ERROR RATE//CHANNEL EQUALIZATION//ASYMPTOTIC DECISION BOUNDARY

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