Class information for:
Level 1: EVAPORATION DUCT//ATMOSPHERIC DUCT//SPLIT STEP PARABOLIC EQUATION

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
29 3       METEOROLOGY & ATMOSPHERIC SCIENCES//MONTHLY WEATHER REVIEW//JOURNAL OF CLIMATE 114957
1422 2             IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING//REMOTE SENSING//MICROWAVE RADIOMETRY 8185
15873 1                   EVAPORATION DUCT//ATMOSPHERIC DUCT//SPLIT STEP PARABOLIC EQUATION 714

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EVAPORATION DUCT authKW 708688 2% 94% 17
2 ATMOSPHERIC DUCT authKW 664692 2% 94% 16
3 SPLIT STEP PARABOLIC EQUATION authKW 397259 1% 100% 9
4 GROUND WAVE PROPAGATION authKW 320354 2% 48% 15
5 REFRACTIVITY FROM CLUTTER authKW 308979 1% 100% 7
6 MIXED PATH PROPAGATION authKW 270355 1% 88% 7
7 REFRACTIVITY GRADIENT authKW 227003 1% 86% 6
8 ATMOSPHER PROPAGAT BRANCH address 223450 1% 56% 9
9 ATMOSPHERIC REFRACTIVITY authKW 223450 1% 56% 9
10 ATMOSPHERE DUCT authKW 220699 1% 100% 5

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Telecommunications 26983 52% 0% 371
2 Engineering, Electrical & Electronic 6614 56% 0% 401
3 Remote Sensing 4933 12% 0% 83
4 Meteorology & Atmospheric Sciences 4643 23% 0% 164
5 Geochemistry & Geophysics 1529 13% 0% 95
6 Astronomy & Astrophysics 438 11% 0% 82
7 Engineering, Ocean 146 1% 0% 9
8 Engineering, General 142 4% 0% 28
9 Engineering, Marine 140 1% 0% 6
10 Engineering, Aerospace 127 2% 0% 16

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ATMOSPHER PROPAGAT BRANCH 223450 1% 56% 9
2 FREQUENCY ENGN 135170 1% 44% 7
3 ANTENNA PL ELE OMAGNET GRP 88280 0% 100% 2
4 RADAR TEAM 64904 1% 29% 5
5 MICROWAVE LINKS 58852 0% 67% 2
6 ADSD MISSILE SYST GRP 44140 0% 100% 1
7 ALYOTECH TECHNOL 44140 0% 100% 1
8 ANTENNA PL ELECT GRP 44140 0% 100% 1
9 ATMOSPHER PROPAGAT BRACH 44140 0% 100% 1
10 ATMOSPHER PROPAGAT BRANCH 2858 44140 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE ANTENNAS AND PROPAGATION MAGAZINE 68589 7% 3% 49
2 RADIO SCIENCE 46355 10% 2% 70
3 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 36595 15% 1% 107
4 JOHNS HOPKINS APL TECHNICAL DIGEST 35733 4% 3% 25
5 IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING 8659 2% 2% 13
6 RADIOENGINEERING 3195 1% 1% 10
7 APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL 2453 1% 1% 9
8 JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY 2270 1% 1% 10
9 INDIAN JOURNAL OF RADIO & SPACE PHYSICS 2171 1% 1% 5
10 INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 2131 1% 1% 9

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 EVAPORATION DUCT 708688 2% 94% 17 Search EVAPORATION+DUCT Search EVAPORATION+DUCT
2 ATMOSPHERIC DUCT 664692 2% 94% 16 Search ATMOSPHERIC+DUCT Search ATMOSPHERIC+DUCT
3 SPLIT STEP PARABOLIC EQUATION 397259 1% 100% 9 Search SPLIT+STEP+PARABOLIC+EQUATION Search SPLIT+STEP+PARABOLIC+EQUATION
4 GROUND WAVE PROPAGATION 320354 2% 48% 15 Search GROUND+WAVE+PROPAGATION Search GROUND+WAVE+PROPAGATION
5 REFRACTIVITY FROM CLUTTER 308979 1% 100% 7 Search REFRACTIVITY+FROM+CLUTTER Search REFRACTIVITY+FROM+CLUTTER
6 MIXED PATH PROPAGATION 270355 1% 88% 7 Search MIXED+PATH+PROPAGATION Search MIXED+PATH+PROPAGATION
7 REFRACTIVITY GRADIENT 227003 1% 86% 6 Search REFRACTIVITY+GRADIENT Search REFRACTIVITY+GRADIENT
8 ATMOSPHERIC REFRACTIVITY 223450 1% 56% 9 Search ATMOSPHERIC+REFRACTIVITY Search ATMOSPHERIC+REFRACTIVITY
9 ATMOSPHERE DUCT 220699 1% 100% 5 Search ATMOSPHERE+DUCT Search ATMOSPHERE+DUCT
10 REFRACTIVITY ESTIMATION 220699 1% 100% 5 Search REFRACTIVITY+ESTIMATION Search REFRACTIVITY+ESTIMATION

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 22357 ECE WIN//RADIO RELAY LINK//RADIO REPEATERS
2 37750 FIXED RADIO LINKS//RADAR PERFORMANCE SIGNATURE ANAL//SIGNAL PROC RADIOCOMMUN GRP TSR
3 37133 MARITIME WIDEBAND COMMUNICATION//COMMUN SPACE COMM SEC 2//COORDINATED ATTITUDE CONTROL
4 4282 INDOOR PROPAGATION//PATH LOSS//RADIOWAVE PROPAGATION
5 3450 WAVES IN RANDOM MEDIA//ROUGH SURFACE SCATTERING//ROUGH SURFACE
6 37913 SOFT WOOD GRAFTING//CHIRONJI//MANILKARA HEXANDRA
7 28718 AIR WARFARE WE ONS GEOPHYS BRANCH//AIRFLOW ALONG A MOUNTAIN RIDGE//CATALINA EDDY
8 14670 HF RADAR//HIGH FREQUENCY HF RADAR//HIGH FREQUENCY SURFACE WAVE RADAR HFSWR
9 4093 ACOUSTICAL PHYSICS//NN ANDREEV ACOUST//JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
10 24903 LYAPUNOV CHARACTERISTIC PARAMETER//IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA//EFFECTIVE CORRELATION

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