Class information for:
Level 1: MARS ENTRY//ATMOSPHER FLIGHT ENTRY SYST BRANCH//ENTRY GUIDANCE

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
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
70 3       ENGINEERING, AEROSPACE//AIAA JOURNAL//MECHANICS 87936
2706 2             JOURNAL OF SPACECRAFT AND ROCKETS//JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER//AEROTHERMODYNAM BRANCH 3565
18037 1                   MARS ENTRY//ATMOSPHER FLIGHT ENTRY SYST BRANCH//ENTRY GUIDANCE 596

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARS ENTRY authKW 543898 2% 86% 12
2 ATMOSPHER FLIGHT ENTRY SYST BRANCH address 483454 3% 57% 16
3 ENTRY GUIDANCE authKW 423035 1% 100% 8
4 NO FLY ZONE authKW 329473 2% 69% 9
5 GUGGENHEIM AEROSP ENGN address 246461 3% 27% 17
6 JOURNAL OF SPACECRAFT AND ROCKETS journal 229107 23% 3% 137
7 REENTRY TRAJECTORY OPTIMIZATION authKW 220329 1% 83% 5
8 ENTRY DESCENT LANDING SYST ADV TECHNOL GRP address 211517 1% 100% 4
9 HYPERSONIC GLIDE VEHICLE authKW 211517 1% 100% 4
10 LUNAR MODULE authKW 211517 1% 100% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 140950 74% 1% 439
2 Instruments & Instrumentation 1519 16% 0% 98
3 Automation & Control Systems 318 5% 0% 31
4 Engineering, Mechanical 220 7% 0% 42
5 Astronomy & Astrophysics 148 8% 0% 47
6 Meteorology & Atmospheric Sciences 144 5% 0% 30
7 Geosciences, Multidisciplinary 92 6% 0% 34
8 Robotics 40 1% 0% 5
9 Engineering, Marine 40 1% 0% 3
10 Operations Research & Management Science 34 2% 0% 13

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ATMOSPHER FLIGHT ENTRY SYST BRANCH 483454 3% 57% 16
2 GUGGENHEIM AEROSP ENGN 246461 3% 27% 17
3 ENTRY DESCENT LANDING SYST ADV TECHNOL GRP 211517 1% 100% 4
4 EXPLORAT SYST ENGN BRANCH 188852 1% 71% 5
5 SPACE NEW TECHNOL 165244 1% 63% 5
6 AERO GAS DYNAM 158632 1% 50% 6
7 SPACE SYST CONCEPTS 146883 1% 56% 5
8 GUIDANCE NAV CONTROL SECT 118977 1% 75% 3
9 AUTONOMOUS NAV CONTROL DEEP SPACE EXPLO 111972 1% 35% 6
10 AEROTHERMODYNAM BRANCH 106563 3% 13% 16

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF SPACECRAFT AND ROCKETS 229107 23% 3% 137
2 ACTA ASTRONAUTICA 91203 17% 2% 102
3 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 73715 15% 2% 91
4 AEROSPACE SCIENCE AND TECHNOLOGY 14491 4% 1% 25
5 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING 9276 3% 1% 18
6 ADVANCES IN SPACE RESEARCH 4784 5% 0% 30
7 JOURNAL OF THE ASTRONAUTICAL SCIENCES 4684 2% 1% 9
8 CHINESE JOURNAL OF AERONAUTICS 2478 1% 1% 8
9 JOURNAL OF AEROSPACE ENGINEERING 1796 1% 1% 6
10 AVIATION WEEK & SPACE TECHNOLOGY 1456 1% 1% 4

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MARS ENTRY 543898 2% 86% 12 Search MARS+ENTRY Search MARS+ENTRY
2 ENTRY GUIDANCE 423035 1% 100% 8 Search ENTRY+GUIDANCE Search ENTRY+GUIDANCE
3 NO FLY ZONE 329473 2% 69% 9 Search NO+FLY+ZONE Search NO+FLY+ZONE
4 REENTRY TRAJECTORY OPTIMIZATION 220329 1% 83% 5 Search REENTRY+TRAJECTORY+OPTIMIZATION Search REENTRY+TRAJECTORY+OPTIMIZATION
5 HYPERSONIC GLIDE VEHICLE 211517 1% 100% 4 Search HYPERSONIC+GLIDE+VEHICLE Search HYPERSONIC+GLIDE+VEHICLE
6 LUNAR MODULE 211517 1% 100% 4 Search LUNAR+MODULE Search LUNAR+MODULE
7 NUMERICAL PREDICTOR CORRECTOR 211517 1% 100% 4 Search NUMERICAL+PREDICTOR+CORRECTOR Search NUMERICAL+PREDICTOR+CORRECTOR
8 TERMINAL AREA ENERGY MANAGEMENT 211517 1% 100% 4 Search TERMINAL+AREA+ENERGY+MANAGEMENT Search TERMINAL+AREA+ENERGY+MANAGEMENT
9 POWERED DESCENT 169212 1% 80% 4 Search POWERED+DESCENT Search POWERED+DESCENT
10 PRECISION LANDING 169212 1% 80% 4 Search PRECISION+LANDING Search PRECISION+LANDING

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 20500 AEROASTRONAUT GRP//WINDSHEAR PROBLEMS//ABORT LANDING
2 14404 HYPERSONIC VEHICLE//HYPERSONIC FLIGHT VEHICLE//FLEXIBLE AIR BREATHING HYPERSONIC VEHICLE
3 4299 LOW THRUST//LIBRATION POINT ORBITS//CIRCULAR RESTRICTED THREE BODY PROBLEM
4 31680 CRATER DETECTION//CRATER DETECTION ALGORITHM//AUTOMATIC CRATER DETECTION
5 22742 JOURNAL OF SPACECRAFT AND ROCKETS//THIN VISCOUS SHOCK LAYER//AERODYNAMIC HEATING
6 27243 MULTI HOLE PRESSURE PROBE//MULTI HOLE PROBE//FIVE HOLE PROBE
7 5011 JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER//AEROTHERMODYNAM BRANCH//REACTING FLOW ENVIRONM BRANCH
8 27997 X RAY PULSAR//X RAY PULSAR BASED NAVIGATION//PULSAR NAVIGATION
9 9440 GUIDANCE LAW//MISSILE GUIDANCE//PROPORTIONAL NAVIGATION
10 36679 AEROSPACE EDUCATION//ANTI REGULATION//BOW SHOCK INSTABILITY

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