Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 36940 | 70 | 18.9 | 18% |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 1 | 4 | ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL | 3876184 |
| 594 | 3 | ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//UV B RADIATION//ORIGIN OF LIFE | 14910 |
| 3915 | 2 | SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX | 808 |
| 36940 | 1 | NAVAIDS//LORAN C//BUOYAGE | 70 |
Terms with highest relevance score |
| rank | Term | termType | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|---|
| 1 | NAVAIDS | authKW | 997080 | 6% | 57% | 4 |
| 2 | LORAN C | authKW | 778965 | 7% | 36% | 5 |
| 3 | BUOYAGE | authKW | 436224 | 1% | 100% | 1 |
| 4 | EQUIVALENT GROUND CONDUCTIVITY | authKW | 436224 | 1% | 100% | 1 |
| 5 | GEODESIA KARLSRUHE ALEMANHA | address | 436224 | 1% | 100% | 1 |
| 6 | GPS VULNERABILITY | authKW | 436224 | 1% | 100% | 1 |
| 7 | INDEXES OF IRREGULARITIES OF THE IONOSPHERE | authKW | 436224 | 1% | 100% | 1 |
| 8 | IONEX | authKW | 436224 | 1% | 100% | 1 |
| 9 | IONOSPHERE VARIATIONS AND DISTURBANCES | authKW | 436224 | 1% | 100% | 1 |
| 10 | RACONS | authKW | 436224 | 1% | 100% | 1 |
Web of Science journal categories |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | Engineering, Marine | 35477 | 40% | 0% | 28 |
| 2 | Oceanography | 2233 | 40% | 0% | 28 |
| 3 | Engineering, Aerospace | 1576 | 23% | 0% | 16 |
| 4 | Remote Sensing | 923 | 16% | 0% | 11 |
| 5 | Telecommunications | 888 | 30% | 0% | 21 |
| 6 | Geochemistry & Geophysics | 173 | 14% | 0% | 10 |
| 7 | Engineering, Electrical & Electronic | 151 | 29% | 0% | 20 |
| 8 | Mathematics, Interdisciplinary Applications | 38 | 6% | 0% | 4 |
| 9 | Engineering, General | 17 | 4% | 0% | 3 |
| 10 | Imaging Science & Photographic Technology | 5 | 1% | 0% | 1 |
Address terms |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | GEODESIA KARLSRUHE ALEMANHA | 436224 | 1% | 100% | 1 |
| 2 | PESQUISAS GEODESIA LAGEO | 348977 | 3% | 40% | 2 |
| 3 | PESQUISAS GEODESIA | 218111 | 1% | 50% | 1 |
| 4 | SPACE SYST DSE | 218111 | 1% | 50% | 1 |
| 5 | GEODESIA | 206627 | 4% | 16% | 3 |
| 6 | PROGRAMA POS CIENCIAS CARTOG | 157035 | 4% | 12% | 3 |
| 7 | EDUC 305 | 145407 | 1% | 33% | 1 |
| 8 | O CARTOG | 145407 | 1% | 33% | 1 |
| 9 | CARTOG | 102400 | 13% | 3% | 9 |
| 10 | PROGRAMA POS CIENCIAS CARTOGRAF | 87243 | 1% | 20% | 1 |
Journals |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | JOURNAL OF NAVIGATION | 330700 | 40% | 3% | 28 |
| 2 | BOLETIM DE CIENCIAS GEODESICAS | 159866 | 13% | 4% | 9 |
| 3 | IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 19963 | 20% | 0% | 14 |
| 4 | RADIO AND ELECTRONIC ENGINEER | 3092 | 1% | 1% | 1 |
| 5 | ALTA FREQUENZA | 2408 | 1% | 1% | 1 |
| 6 | IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING | 506 | 1% | 0% | 1 |
| 7 | MATHEMATICAL PROBLEMS IN ENGINEERING | 423 | 4% | 0% | 3 |
| 8 | JOURNAL OF GEODESY | 317 | 1% | 0% | 1 |
| 9 | IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 290 | 4% | 0% | 3 |
| 10 | CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY | 239 | 1% | 0% | 1 |
Author Key Words |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | NAVAIDS | 997080 | 6% | 57% | 4 | Search NAVAIDS | Search NAVAIDS |
| 2 | LORAN C | 778965 | 7% | 36% | 5 | Search LORAN+C | Search LORAN+C |
| 3 | BUOYAGE | 436224 | 1% | 100% | 1 | Search BUOYAGE | Search BUOYAGE |
| 4 | EQUIVALENT GROUND CONDUCTIVITY | 436224 | 1% | 100% | 1 | Search EQUIVALENT+GROUND+CONDUCTIVITY | Search EQUIVALENT+GROUND+CONDUCTIVITY |
| 5 | GPS VULNERABILITY | 436224 | 1% | 100% | 1 | Search GPS+VULNERABILITY | Search GPS+VULNERABILITY |
| 6 | INDEXES OF IRREGULARITIES OF THE IONOSPHERE | 436224 | 1% | 100% | 1 | Search INDEXES+OF+IRREGULARITIES+OF+THE+IONOSPHERE | Search INDEXES+OF+IRREGULARITIES+OF+THE+IONOSPHERE |
| 7 | IONEX | 436224 | 1% | 100% | 1 | Search IONEX | Search IONEX |
| 8 | IONOSPHERE VARIATIONS AND DISTURBANCES | 436224 | 1% | 100% | 1 | Search IONOSPHERE+VARIATIONS+AND+DISTURBANCES | Search IONOSPHERE+VARIATIONS+AND+DISTURBANCES |
| 9 | RACONS | 436224 | 1% | 100% | 1 | Search RACONS | Search RACONS |
| 10 | RADAR BEACONS | 436224 | 1% | 100% | 1 | Search RADAR+BEACONS | Search RADAR+BEACONS |
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. |
| Rank | Reference | # ref. in cl. |
Shr. of ref. in cl. |
Citations |
|---|---|---|---|---|
| 1 | KJERSTAD, N , (2002) THE ROLE OF LORAN-C IN PRESENT AND FUTURE NAVIGATION: FROM A NORWEGIAN NAUTICAL PERSPECTIVE.JOURNAL OF NAVIGATION. VOL. 55. ISSUE 2. P. 185 -195 | 7 | 88% | 0 |
| 2 | DIAZ, ACB , MORA, AJP , ARMAS, IP , (2002) SEARCH AND RESCUE LOCATION AND IDENTIFICATION: EXPERIENCE WITH SARTS.JOURNAL OF NAVIGATION. VOL. 55. ISSUE 1. P. 65-74 | 4 | 100% | 0 |
| 3 | DA SILVA, AA , YAMAGUTI, W , KUGA, HK , CELESTINO, CC , (2012) ASSESSMENT OF THE IONOSPHERIC AND TROPOSPHERIC EFFECTS IN LOCATION ERRORS OF DATA COLLECTION PLATFORMS IN EQUATORIAL REGION DURING HIGH AND LOW SOLAR ACTIVITY PERIODS.MATHEMATICAL PROBLEMS IN ENGINEERING. VOL. . ISSUE . P. - | 3 | 100% | 0 |
| 4 | PROL, FD , CAMARGO, PD , (2014) ESTIMATIVE OF THE DIFFERENTIAL CODE BIAS IN THE GNSS RECEIVERS.BOLETIM DE CIENCIAS GEODESICAS. VOL. 20. ISSUE 4. P. 735 -749 | 5 | 56% | 0 |
| 5 | PEREIRA, VAS , CAMARGO, PD , (2013) ESTIMATION AND ANALYSIS OF THE IONOSPHERE IRREGULARITIES INDICES USING GPS DATA FROM ACTIVE NETWORKS.BOLETIM DE CIENCIAS GEODESICAS. VOL. 19. ISSUE 3. P. 374-390 | 4 | 67% | 0 |
| 6 | VRCKOVNIK, G , CARTER, CR , (1991) 406 MHZ ELT SIGNAL SPECTRA FOR SARSAT.IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS. VOL. 27. ISSUE 2. P. 388-407 | 5 | 100% | 0 |
| 7 | FIJAR, R , (2008) A STUDY OF DIRECT SEVERE SPACE WEATHER EFFECTS ON GPS IONOSPHERIC DELAY.JOURNAL OF NAVIGATION. VOL. 61. ISSUE 1. P. 115 -128 | 3 | 75% | 3 |
| 8 | SEJAS, MI , KRUEGER, CP , HECK, B , (2010) EVALUATION OF A LOCAL IONOSPHERE MODEL IN GPS NETWORKS: A CASE STUDY OF A PERIOD OF LOW SOLAR ACTIVITY.BOLETIM DE CIENCIAS GEODESICAS. VOL. 16. ISSUE 2. P. 253 -276 | 2 | 100% | 2 |
| 9 | DE AGUIAR, CR , CAMARGO, PD , (2012) IONOSPHERIC GRID AND GIVE SPATIAL RESOLUTIONS.BOLETIM DE CIENCIAS GEODESICAS. VOL. 18. ISSUE 3. P. 464 -479 | 3 | 60% | 1 |
| 10 | ELHENNAWEY, MS , CARTER, CR , (1993) TOTAL INFORMATION PROCESSOR FOR 121.5/243 MHZ SARSAT SIGNALS.IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS. VOL. 29. ISSUE 3. P. 866-877 | 4 | 80% | 0 |
Classes with closest relation at Level 1 |