Class information for:
Level 1: TIME SERV//CHINESE AREA POSITIONING SYSTEM CAPS//PRECIS NAV TIMING TECHNOL

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
34449 71 15.9 31%


Bar chart of Publication_year

Last years might be incomplete

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 TIME SERV Address 7 25% 32% 23
2 CHINESE AREA POSITIONING SYSTEM CAPS Author keyword 4 75% 4% 3
3 PRECIS NAV TIMING TECHNOL Address 4 46% 8% 6
4 ASTRONOMY APPLICATION Author keyword 3 100% 4% 3
5 SATELLITE CLOCK ERRORS Author keyword 2 67% 3% 2
6 DIFFERENCED RANGES Author keyword 1 100% 3% 2
7 EQUIPMENT RANGING DELAY Author keyword 1 100% 3% 2
8 ORBIT DETERMINATION AND PREDICTION Author keyword 1 50% 3% 2
9 PRECISE NAV POSITIONING TIMING Address 1 100% 3% 2
10 REGIONAL TRACKING NETWORK Author keyword 1 100% 3% 2

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 CHINESE AREA POSITIONING SYSTEM CAPS 4 75% 4% 3 Search CHINESE+AREA+POSITIONING+SYSTEM+CAPS Search CHINESE+AREA+POSITIONING+SYSTEM+CAPS
2 ASTRONOMY APPLICATION 3 100% 4% 3 Search ASTRONOMY+APPLICATION Search ASTRONOMY+APPLICATION
3 SATELLITE CLOCK ERRORS 2 67% 3% 2 Search SATELLITE+CLOCK+ERRORS Search SATELLITE+CLOCK+ERRORS
4 DIFFERENCED RANGES 1 100% 3% 2 Search DIFFERENCED+RANGES Search DIFFERENCED+RANGES
5 EQUIPMENT RANGING DELAY 1 100% 3% 2 Search EQUIPMENT+RANGING+DELAY Search EQUIPMENT+RANGING+DELAY
6 ORBIT DETERMINATION AND PREDICTION 1 50% 3% 2 Search ORBIT+DETERMINATION+AND+PREDICTION Search ORBIT+DETERMINATION+AND+PREDICTION
7 REGIONAL TRACKING NETWORK 1 100% 3% 2 Search REGIONAL+TRACKING+NETWORK Search REGIONAL+TRACKING+NETWORK
8 RETIRED SATELLITE 1 100% 3% 2 Search RETIRED+SATELLITE Search RETIRED+SATELLITE
9 SATELLITE EPHEMERIS ERRORS 1 100% 3% 2 Search SATELLITE+EPHEMERIS+ERRORS Search SATELLITE+EPHEMERIS+ERRORS
10 WIDE AREA DIFFERENTIAL METHOD 1 100% 3% 2 Search WIDE+AREA+DIFFERENTIAL+METHOD Search WIDE+AREA+DIFFERENTIAL+METHOD

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 2 WAY SATELLITE TIME 2 67% 3% 2
2 GEOSTATIONARY SATELLITES 1 20% 6% 4
3 COMMUNICATION SATELLITES 1 50% 1% 1
4 SATELLITE NAVIGATION 0 33% 1% 1
5 BAND INTERFERENCE SUPPRESSION 0 11% 1% 1
6 AREA POSITIONING SYSTEM 0 100% 1% 1
7 CAPS NAVIGATION 0 100% 1% 1
8 NEXT GENERATION GNSS 0 100% 1% 1

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Communication-based positioning systems: past, present and prospects 2012 3 46 35%

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 SERV 7 25% 32% 23
2 PRECIS NAV TIMING TECHNOL 4 46% 8.5% 6
3 PRECISE NAV POSITIONING TIMING 1 100% 2.8% 2
4 SATELLITE NAV DEV 0 25% 1.4% 1
5 GEODESY NAVIGAT 0 20% 1.4% 1
6 NAV AEROSP ENGN 0 20% 1.4% 1
7 NTSC 0 10% 1.4% 1
8 GRP INVEST TELECOMUN SENALES 0 100% 1.4% 1
9 SPACE NAV GRP 0 100% 1.4% 1
10 SPACE NAV POSITIONING TECHNOL 0 100% 1.4% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000258490 SIMPLE RESPONSE METHOD//SPACE NAVIGATION SYSTEMS//TIME FREQUENCY STANDARD
2 0.0000196046 GPS SOLUTIONS//JOURNAL OF GEODESY//PRECISE POINT POSITIONING
3 0.0000145253 CHAOTIC DETECTION//WEAK SIGNAL DETECTION//DUFFING OSCILLATOR SYSTEM
4 0.0000119682 INTERFERENCE EXCISION//CONTINUOUS WAVE INTERFERENCE//SPECTRAL OVERLAY
5 0.0000109130 MAP MATCHING//RECEIVER AUTONOMOUS INTEGRITY MONITORING RAIM//HEIGHT AIDING
6 0.0000105856 CODE ACQUISITION//UNAMBIGUOUS TRACKING//INITIAL SYNCHRONIZATION
7 0.0000101182 AEROSP PHYS OPT//RYDBERG ATOMS AND MOLECULES//L MIXING
8 0.0000095365 NAV ENGN//RANDOM WEIGHTING ESTIMATION//MOVING HORIZON ESTIMATION
9 0.0000078864 X RAY PULSAR//X RAY PULSAR NAVIGATION//PULSAR NAVIGATION
10 0.0000066680 LAND MOBILE SATELLITE LMS CHANNEL//INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS//INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING