Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 19297 | 447 | 17.8 | 29% |
Classes in level above (level 2) |
| ID, lev. above |
Publications | Label for level above |
|---|---|---|
| 659 | 12680 | GPS SOLUTIONS//IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS//GNSS |
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 | SIMPLE RESPONSE METHOD | Author keyword | 3 | 100% | 1% | 3 |
| 2 | SPACE NAVIGATION SYSTEMS | Author keyword | 3 | 100% | 1% | 3 |
| 3 | TIME FREQUENCY STANDARD | Address | 3 | 100% | 1% | 3 |
| 4 | COORDINATED UNIVERSAL TIME UTC | Author keyword | 3 | 60% | 1% | 3 |
| 5 | TIME TRANSFER | Author keyword | 2 | 16% | 3% | 13 |
| 6 | TIME FREQUENCY STAND | Address | 2 | 50% | 1% | 3 |
| 7 | GEOMAT DISASTER PREVENT TECHNOL | Address | 2 | 40% | 1% | 4 |
| 8 | TIME DISSEMINATION | Author keyword | 2 | 33% | 1% | 4 |
| 9 | CALIBRATION INTERVALS | Author keyword | 1 | 31% | 1% | 4 |
| 10 | FREQUENCY INSTABILITY | Author keyword | 1 | 25% | 1% | 5 |
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 | SIMPLE RESPONSE METHOD | 3 | 100% | 1% | 3 | Search SIMPLE+RESPONSE+METHOD | Search SIMPLE+RESPONSE+METHOD |
| 2 | SPACE NAVIGATION SYSTEMS | 3 | 100% | 1% | 3 | Search SPACE+NAVIGATION+SYSTEMS | Search SPACE+NAVIGATION+SYSTEMS |
| 3 | COORDINATED UNIVERSAL TIME UTC | 3 | 60% | 1% | 3 | Search COORDINATED+UNIVERSAL+TIME+UTC | Search COORDINATED+UNIVERSAL+TIME+UTC |
| 4 | TIME TRANSFER | 2 | 16% | 3% | 13 | Search TIME+TRANSFER | Search TIME+TRANSFER |
| 5 | TIME DISSEMINATION | 2 | 33% | 1% | 4 | Search TIME+DISSEMINATION | Search TIME+DISSEMINATION |
| 6 | CALIBRATION INTERVALS | 1 | 31% | 1% | 4 | Search CALIBRATION+INTERVALS | Search CALIBRATION+INTERVALS |
| 7 | FREQUENCY INSTABILITY | 1 | 25% | 1% | 5 | Search FREQUENCY+INSTABILITY | Search FREQUENCY+INSTABILITY |
| 8 | ALLAN VARIATION | 1 | 100% | 0% | 2 | Search ALLAN+VARIATION | Search ALLAN+VARIATION |
| 9 | CLOCK PREDICTION | 1 | 100% | 0% | 2 | Search CLOCK+PREDICTION | Search CLOCK+PREDICTION |
| 10 | FREQUENCY SYNTONIZATION | 1 | 100% | 0% | 2 | Search FREQUENCY+SYNTONIZATION | Search FREQUENCY+SYNTONIZATION |
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 | GPS CARRIER PHASE | 15 | 88% | 2% | 7 |
| 2 | ADMITS MEASUREMENT NOISE | 6 | 80% | 1% | 4 |
| 3 | TIME SCALE ALGORITHM | 6 | 80% | 1% | 4 |
| 4 | TWSTFT | 6 | 80% | 1% | 4 |
| 5 | COMMON VIEW | 6 | 100% | 1% | 4 |
| 6 | TIME TRANSFER | 4 | 24% | 4% | 16 |
| 7 | FREQUENCY STABILITY | 4 | 18% | 4% | 18 |
| 8 | DYNAMIC ALLAN VARIANCE | 3 | 50% | 1% | 5 |
| 9 | TAI COMPUTATION | 3 | 100% | 1% | 3 |
| 10 | ALLAN | 3 | 38% | 1% | 6 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references |
% act. ref. to same field |
|---|---|---|---|---|
| Recent Development and Utilization of Two-Way Satellite Time and Frequency Transfer | 2012 | 2 | 12 | 92% |
| A Review of Reduced Kalman Filters for Clock Ensembles | 2012 | 1 | 11 | 100% |
| Time and frequency distribution using satellites | 2002 | 8 | 6 | 83% |
| Invited Review Article: The statistical modeling of atomic clocks and the design of time scales | 2012 | 2 | 14 | 57% |
| Introduction to time and frequency metrology | 1999 | 39 | 25 | 44% |
| Frequency control devices | 1999 | 2 | 6 | 67% |
| The GOES time code service, 1974-2004: A retrospective | 2005 | 3 | 3 | 33% |
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 | TIME FREQUENCY STANDARD | 3 | 100% | 0.7% | 3 |
| 2 | TIME FREQUENCY STAND | 2 | 50% | 0.7% | 3 |
| 3 | GEOMAT DISASTER PREVENT TECHNOL | 2 | 40% | 0.9% | 4 |
| 4 | PL STANDARDS | 1 | 50% | 0.4% | 2 |
| 5 | STANDARD TIME FREQUENCY | 1 | 50% | 0.4% | 2 |
| 6 | TIME FREQUENCY SECT | 1 | 30% | 0.7% | 3 |
| 7 | GEOL ENGN GEOMANT | 1 | 33% | 0.4% | 2 |
| 8 | ATOM STAND GRP | 1 | 50% | 0.2% | 1 |
| 9 | COMMUN ELE COMMAND | 1 | 50% | 0.2% | 1 |
| 10 | DIPARTIMENTO INFORMAT TELECOMUNICAZIONI | 1 | 50% | 0.2% | 1 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000258490 | TIME SERV//CHINESE AREA POSITIONING SYSTEM CAPS//PRECIS NAV TIMING TECHNOL |
| 2 | 0.0000193394 | MEASUREMENT RUMENT//X AXIS INVERSION//SIGNALS DATA PROC |
| 3 | 0.0000178517 | LNE SYRTE//INNOVAT SPACE TIME PROJECT//HORLOGE ATOM |
| 4 | 0.0000161537 | FINITE IMPULSE RESPONSE FIR STRUCTURE//DEADBEAT PROPERTY//POLYNOMIAL PREDICTION |
| 5 | 0.0000158396 | IEEE 1588//REAL TIME ETHERNET RTE//CLOCK SYNCHRONIZATION |
| 6 | 0.0000091963 | GPS SOLUTIONS//JOURNAL OF GEODESY//PRECISE POINT POSITIONING |
| 7 | 0.0000056177 | MAP MATCHING//RECEIVER AUTONOMOUS INTEGRITY MONITORING RAIM//HEIGHT AIDING |
| 8 | 0.0000046080 | PHYSICS ESSAYS//EUCLIDEAN SPACE TIME//ABSOLUTE SPACE TIME |
| 9 | 0.0000045585 | JOURNAL OF SURVEYING ENGINEERING-ASCE//ADJUSTMENT OF DATA//HAN OK |
| 10 | 0.0000042012 | SPLINE NEURAL NETWORKS//TRAINING TRAJECTORY//ADAPTIVE ACTIVATION FUNCTIONS |