McNeil L.M. Spatial temporal information systems: an ontological approach using STK (Boca Raton, 2014). - ОГЛАВЛЕНИЕ / CONTENTS
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ОбложкаMcNeil L.M. Spatial temporal information systems: an ontological approach using STK / L.M.McNeil, T.S.Kelso. - Boca Raton: CRC/Taylor & Francis, 2014. - xvii, 336 p.: ill. - Bibliogr.: p.239-240. - Ind.: p.329-336. - ISBN 978-1-4665-0045-7
 

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Оглавление / Contents
 
Preface ...................................................... xiii
Acknowledgments ................................................ xv
About the Authors ............................................ xvii

Section I  The Basics
1  The Basics of Spatial Temporal Information Systems ........... 3
   Objectives of This Chapter ................................... 3
   Introduction ................................................. 3
   Understanding STK Basics ..................................... 5
   The Workflows of STK for Ontological Studies ................. 6
   Ontology ..................................................... 8
   Delineation between Objects and Tools ........................ 9
   Exploring the Objects ....................................... 10
   Building Relationships with STK Tools ....................... 12
   Output ...................................................... 13
   Data Providers .............................................. 13
   What to Expect .............................................. 14
2  Ontology .................................................... 15
   Objectives of This Chapter .................................. 15
   Defining Ontology ........................................... 15
   The Engineering Workflow .................................... 20
   Understand the Properties ................................... 22
   Four Primary Levels of Set Domains .......................... 23
      The Root Level ........................................... 23
      Basic .................................................... 24
      Object Level ............................................. 29
      Tool Level ............................................... 31
   STK Objects, STK Tools, and Ontology ........................ 32
3  The Scenario ................................................ 33
   Objectives of This Chapter .................................. 33
   The Scenario ................................................ 33
   Starting a Scenario ......................................... 33
   Defining Your Scenario ...................................... 34
      Step 1. Understand the Problem and the Question .......... 35
      Step 2. Draw Out the Problem in Sketch Form .............. 36
      Step 3. Select and Input Terrain and Imagery ............. 36
      Step 4. Input and Refine Objects ......................... 37
      Step 5. Evaluate Constraints ............................. 38
      Step 6. Develop and Refine Output, Reports, and Graphs ... 38
   Putting It All Together: Creating a Scenario ................ 38

Section II  STK Objects
4  The STK Object .............................................. 43
   Objectives of This Chapter .................................. 43
   The STK Object .............................................. 43
   Dynamic Interaction within the STK Object ................... 44
      Feature Geometry ......................................... 44
      Time Features of the Object .............................. 45
      Calculations within the Object ........................... 45
   Using a GIS Shapefile in STK ................................ 46
   Using the Data Federate ..................................... 47
   The STK Object Instance ..................................... 48
      Basic .................................................... 48
      Basic Attributes in Common ............................... 49
      2D Graphics .............................................. 52
      3D Graphics .............................................. 52
      Constraints .............................................. 56
   Understanding the STK Object ................................ 59
5  Area Targets ................................................ 61
   Objectives of This Chapter .................................. 61
   Area Target Objects ......................................... 61
      Methods: Countries, US States, and Shapefiles ............ 61
      Method: Area Target Wizard ............................... 64
   Defining Properties ......................................... 65
      Basic Properties ......................................... 65
      2D Graphics Properties ................................... 65
      3D Graphics Properties ................................... 66
      Vector ................................................... 67
   Constraints ................................................. 68
6  Targets, Facilities, and Places ............................. 71
   Objectives of This Chapter .................................. 71
   Fixed Point Objects ......................................... 71
   City Database Files ......................................... 72
   STK Facility Database Files ................................. 74
   The Static Point ............................................ 77
7  The Moving Object ........................................... 79
   Objectives of This Chapter .................................. 79
   Moving Objects .............................................. 79
   Spatial Temporal Analytics Using a Time Clock ............... 80
   Point, Point Mass, and Vector Geometry ...................... 82
   Moving Vehicle Propagators .................................. 83
      Ground Vehicles .......................................... 84
      Aircraft ................................................. 84
      Satellites ............................................... 85
      Launch Vehicles .......................................... 85
      Missiles ................................................. 85
   MTO ......................................................... 86
8  Aircraft .................................................... 89
   Objectives of This Chapter .................................. 89
   Aircraft Object Overview .................................... 89
   The Aircraft Object ......................................... 90
   Aircraft Route Propagators .................................. 91
   Aircraft Mission Modeler .................................... 94
   Vehicle Translation in AMM .................................. 96
9  Satellites .................................................. 99
   Objectives of This Chapter .................................. 99
   What Is a Satellite? ........................................ 99
   Creating a Satellite in STK ................................. 99
      Insert Satellite from Database .......................... 101
      GPS Satellites .......................................... 102
      Orbit Wizard ............................................ 104
      Insert from Saved External Ephemeris File ............... 106
      Satellite Objects ....................................... 106
   Satellite Propagation ...................................... 106
   Classes of Propagators ..................................... 107
   Accuracy of Propagators .................................... 108
   How Data Availability Affects the Choice of a Propagator ... 110
   Configuring Other Satellite Attributes ..................... 110
      Attitude ................................................ 110
      Eclipse Bodies .......................................... 111
      Pass Break .............................................. 111
      Pass .................................................... 111
      Orbit System ............................................ 112
10 Advanced Satellites ........................................ 115
   Objectives of This Chapter ................................. 115
   Astrogator ................................................. 116
   MCS Toolbar ................................................ 118
      Run Button .............................................. 118
      Summary Button .......................................... 118
      Clear Graphics .......................................... 118
      MCS Options ............................................. 119
      Segment Properties ...................................... 119
   MCS ........................................................ 120
      Defining Mission Control Segments ....................... 120
      Initial State ........................................... 120
      Initial State Tool Segment Parameters ................... 123
      Spacecraft Parameters and Fuel Tank ..................... 123
      Launch Segment Parameters ............................... 123
      Follow Segment Parameters ............................... 125
      Maneuver Segment ........................................ 125
      Hold Segment ............................................ 125
      Propagator Segment ...................................... 125
      Sequence Segment-Forward and Backward ................... 126
      Target Segment .......................................... 128
   Other Astrogator Components ................................ 128
11 Child Objects .............................................. 133
   Objectives of This Chapter ................................. 133
   Child Objects .............................................. 133
   STK Child Object Methods ................................... 134
   Attaching a Child Object on a Parent Object ................ 135
   Sensor Models .............................................. 137
   The Child-of-a-Child Relationship .......................... 138
   Modeling Communications Equipment with STK Child Objects ... 138
   The Transmitter STK Child Object ........................... 139
   Transmitter Properties ..................................... 140
   Retransmitter Properties ................................... 141
   The Receiver STK Child Object .............................. 145
   Receiver Properties ........................................ 145
   The Antenna STK Child Object ............................... 147
   STK Communications Components .............................. 148
12 Constellations ............................................. 153
   Objectives of This Chapter ................................. 153
   The Constellation Object ................................... 153
   Filling a Constellation .................................... 153
   Constellation Constraint Conditions ........................ 155
      All Of .................................................. 156
      Any Of .................................................. 156
      At Least N .............................................. 156
      Exactly N ............................................... 157
      None Of ................................................. 157
      Cross Parent ............................................ 158

Section III STK Tools
13 STK Tools .................................................. 161
   Objectives of This Chapter ................................. 161
   Tools within STK ........................................... 161
   Tools and Ontologies ....................................... 162
   Tool Classes ............................................... 164
   Ontological Tools .......................................... 165
   Nonontological Tools ....................................... 166
   Time Computations .......................................... 166
   Understanding Light Time Delay ............................. 167
14 Access and Deck Access ..................................... 169
   Objectives of This Chapter ................................. 169
   General Description ........................................ 169
   Access ..................................................... 170
      Access Logic ............................................ 170
      Access Using Geometric Ontology ......................... 172
   Access Defaults and Options ................................ 173
      Access Global Defaults .................................. 173
      Local Access Options .................................... 175
      Advanced Local Access Options ........................... 177
   Access Data Providers ...................................... 178
   Customization of Data Providers ............................ 180
   Deck Access ................................................ 180
15 Chains ..................................................... 183
   Objectives of This Chapter ................................. 183
   Chains ..................................................... 183
   Chain Logic ................................................ 185
      Basic ................................................... 188
      2D Graphics ............................................. 189
      3D Graphics ............................................. 189
      Constraints ............................................. 190
16 Coverage ................................................... 191
   Objectives of This Chapter ................................. 191
   Overview of Coverage ....................................... 191
      Coverage Tools .......................................... 192
      STK Object Coverage ..................................... 193
      Attitude Coverage Tool .................................. 194
   Figure of Merit ............................................ 194
17 Communications ............................................. 199
   Objectives of This Chapter ................................. 199
   Signal Communication Basics ................................ 199
   Access and the Link Budget ................................. 202
   Chains: Single Hop and Multihop ............................ 205
   Coverage ................................................... 207
      CommSystems ............................................. 207
      Communication Extensions ................................ 208
18 Conjunction Analysis ....................................... 211
   Objectives of This Chapter ................................. 211
   Conjunction Analysis ....................................... 211
   How Does CAT Work? ......................................... 212
   How to Use CAT ............................................. 213
   Calculating Probability of Collision ....................... 215
   Real-World Applications .................................... 215
19 Nonontological Tools ....................................... 221
   Objectives of This Chapter ................................. 221
   Overview of Nonontological Tools ........................... 221
   Vector Geometry Tool ....................................... 221
      Angles .................................................. 223
      Axes .................................................... 223
      Coordinate Systems ...................................... 224
      Planes .................................................. 224
      Point ................................................... 225
      Vectors ................................................. 225
      Custom Vector Geometries ................................ 225
   Globe Manager .............................................. 227
   Terrain Conversion ......................................... 227
   Calculation and Time Tools ................................. 228
      Calculation Tool ........................................ 228
      Time Tool with Timeline View ............................ 229

Section IV Output
20 Output ..................................................... 233
   Objectives of This Chapter ................................. 233
   STK Output ................................................. 233
   Graphs and Reports ......................................... 234
   Data Providers ............................................. 236
   Closing Thoughts on Ontology ............................... 238

References .................................................... 239
Appendix A: Plug-in Scripts ................................... 245
Appendix B: Light Time Delay and Apparent Position ............ 317
Appendix C: Flow Diagram for the Transmitter Modulation
            Settings .......................................... 327
Index ......................................................... 329


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