Class information for:
Level 2: MECHANICAL SYSTEMS AND SIGNAL PROCESSING//INSTANTANEOUS FREQUENCY//EMPIRICAL MODE DECOMPOSITION

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
1977 5106 22.6 52%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
43 98064 TELECOMMUNICATIONS//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS//IEEE TRANSACTIONS ON COMMUNICATIONS

Classes in level below (level 1)


ID, lev. below Publications Label for level below
1689 2453 MECHANICAL SYSTEMS AND SIGNAL PROCESSING//ROLLING ELEMENT BEARING//PERFORMANCE DEGRADATION ASSESSMENT
5490 1550 POLYNOMIAL PHASE SIGNALS//WIGNER DISTRIBUTION//TIME FREQUENCY ANALYSIS
14214 719 EMPIRICAL MODE DECOMPOSITION//EMPIRICAL MODE DECOMPOSITION EMD//BEDROSIAN IDENTITY
25253 238 IMAGE DEMODULATION//CROSS PSIB ENERGY OPERATOR//IRENAV
29873 146 UPPER RESPIRATORY TRACT ILLNESS//UPPER RESPIRATORY TRACT ILLNESSES//AQT

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 MECHANICAL SYSTEMS AND SIGNAL PROCESSING Journal 129 20% 11% 586
2 INSTANTANEOUS FREQUENCY Author keyword 81 37% 3% 172
3 EMPIRICAL MODE DECOMPOSITION Author keyword 50 21% 4% 213
4 POLYNOMIAL PHASE SIGNALS Author keyword 44 78% 1% 29
5 TIME FREQUENCY ANALYSIS Author keyword 42 14% 5% 271
6 ROLLING ELEMENT BEARING Author keyword 41 41% 2% 77
7 PERFORMANCE DEGRADATION ASSESSMENT Author keyword 38 89% 0% 17
8 KURTOGRAM Author keyword 33 100% 0% 13
9 PLANETARY GEARBOX Author keyword 30 64% 1% 29
10 CONDITION MONITORING Author keyword 29 11% 5% 237

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 INSTANTANEOUS FREQUENCY 81 37% 3% 172 Search INSTANTANEOUS+FREQUENCY Search INSTANTANEOUS+FREQUENCY
2 EMPIRICAL MODE DECOMPOSITION 50 21% 4% 213 Search EMPIRICAL+MODE+DECOMPOSITION Search EMPIRICAL+MODE+DECOMPOSITION
3 POLYNOMIAL PHASE SIGNALS 44 78% 1% 29 Search POLYNOMIAL+PHASE+SIGNALS Search POLYNOMIAL+PHASE+SIGNALS
4 TIME FREQUENCY ANALYSIS 42 14% 5% 271 Search TIME+FREQUENCY+ANALYSIS Search TIME+FREQUENCY+ANALYSIS
5 ROLLING ELEMENT BEARING 41 41% 2% 77 Search ROLLING+ELEMENT+BEARING Search ROLLING+ELEMENT+BEARING
6 PERFORMANCE DEGRADATION ASSESSMENT 38 89% 0% 17 Search PERFORMANCE+DEGRADATION+ASSESSMENT Search PERFORMANCE+DEGRADATION+ASSESSMENT
7 KURTOGRAM 33 100% 0% 13 Search KURTOGRAM Search KURTOGRAM
8 PLANETARY GEARBOX 30 64% 1% 29 Search PLANETARY+GEARBOX Search PLANETARY+GEARBOX
9 CONDITION MONITORING 29 11% 5% 237 Search CONDITION+MONITORING Search CONDITION+MONITORING
10 BEARING FAULT DIAGNOSIS 25 62% 1% 26 Search BEARING+FAULT+DIAGNOSIS Search BEARING+FAULT+DIAGNOSIS

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ROLLING ELEMENT BEARINGS 115 43% 4% 205
2 EMPIRICAL MODE DECOMPOSITION 103 26% 7% 346
3 SPECTRAL KURTOSIS 102 72% 2% 79
4 ROTATING MACHINERY 89 48% 3% 135
5 VIBRATION SIGNALS 76 54% 2% 98
6 WIGNER DISTRIBUTION 74 39% 3% 151
7 HILBERT SPECTRUM 73 32% 4% 187
8 WIGNER VILLE DISTRIBUTION 66 63% 1% 66
9 EPICYCLIC GEARBOX 53 95% 0% 18
10 EMD 50 55% 1% 62

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 MECHANICAL SYSTEMS AND SIGNAL PROCESSING 129 20% 11% 586

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Wavelets for fault diagnosis of rotary machines: A review with applications 2014 41 154 83%
Rolling element bearing diagnostics-A tutorial 2011 196 21 90%
A review on empirical mode decomposition in fault diagnosis of rotating machinery 2013 62 129 81%
A review on Hilbert-Huang transform: method and its applications to geophysical studies 2008 216 93 51%
Recent advances in time-frequency analysis methods for machinery fault diagnosis: A review with application examples 2013 31 82 84%
Prognostics and health management design for rotary machinery systems-Reviews, methodology and applications 2014 15 85 45%
Condition monitoring and fault diagnosis of planetary gearboxes: A review 2014 8 56 70%
TIME FREQUENCY-DISTRIBUTIONS - A REVIEW 1989 1600 53 79%
A review of vibration and acoustic measurement methods for the detection of defects in rolling element bearings 1999 362 41 61%
Support vector machine in machine condition monitoring and fault diagnosis 2007 200 29 59%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 DIAGNOST VIBROACOUST SCI 27 92% 0.2% 11
2 CROUCHER OPT NONDESTRUCT TESTING QUAL INSPECT L 18 89% 0.2% 8
3 ELEKTROTEHN FAK 15 62% 0.3% 16
4 MACHINE DESIGN CONTROL SYST SECT 15 68% 0.3% 13
5 SMART ENGN ASSET MANAGEMENT SEAM 11 65% 0.2% 11
6 SMART ENGN ASSET MANAGEMENT 10 73% 0.2% 8
7 SMART ASSET MANAGEMENT 7 67% 0.1% 6
8 DIAG SELF RECOVERY ENGN 6 58% 0.1% 7
9 IRENAV 6 28% 0.4% 18
10 SIGNAL THEORY GRP 6 38% 0.2% 12

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000014934 JOURNAL OF MECHANICAL DESIGN//GEAR//MECHANISM AND MACHINE THEORY
2 0.0000012745 BLIND SOURCE SEPARATION//BLIND SOURCE SEPARATION BSS//INDEPENDENT COMPONENT ANALYSIS
3 0.0000012005 DAMAGE DETECTION//MECHANICAL SYSTEMS AND SIGNAL PROCESSING//STRUCTURAL HEALTH MONITORING
4 0.0000011365 IET RADAR SONAR AND NAVIGATION//RADAR SIGNAL PROC//IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
5 0.0000010726 GABOR FRAME//APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS//SHIFT INVARIANT SPACE
6 0.0000010625 RECURSIVE IDENTIFICATION//SYSTEM IDENTIFICATION//IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING
7 0.0000009864 ACOUSTIC EMISSION//B VALUE ANALYSIS//ACOUSTIC CHEMOMETRICS
8 0.0000009861 MEASUREMENT TESTING TECH//TURBULENCE RESEARCH//PSEUDO VIBRATION
9 0.0000009818 JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME//JOURNAL BEARINGS//TRIBOLOGY TRANSACTIONS
10 0.0000008721 FAULT DETECTION//FAULT DETECTION AND ISOLATION//FAULT TOLERANT CONTROL