MIL-HDBK-1211 Missile Flight Simulation Part One Surface-To-Air MissilesSurface-to-air missile systems are developed to meet specified operational requirements. In a broad sense these requirements include the size of the defended area and lethality. In addition, the conditions under which the missile system is to operate are specified to include the environment and characteristics of the threat \(target\).

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MIL-HDBK-1211(MI)

8-1 Relationship Between Range Vector and Line of Sight to Tracking Point . . . . . . . . . . . . . . . . 8-4

8-2 Response of First-Order Seeker to Step Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

8-3 Tracking Point of Centroid Tracker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

8-4 Typical Discriminator Gain and Seeker Weighting Functions . . . . . . . . . . . . . . . . . . 8-7

8-5 Effect of Rate Bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8

8-6 Navigation Ratio Achieved by Typical IR Missile Design . . . . . . . . . . . . . . . . 8-10

8-7 System Gain for Typical IR Missile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

8-8 Numbering Convention for Control Surfaces . . . . . . . . . . . . . . . . . . . . . 8-12

8-9 Convention for Direction of Control-Surface Rotation . . . . . . . . . . . . . . . . . . . 8-12

8-10 Guidance Error for Beam Rider or Command to Line of Sight . . . . . . . . . . . . 8-15

8-11 Control System Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17

8-12 Examples of Production Hardware Employed in Simulation . . . . . . . . . . . . . . . . . . . 8-19

8-13 Flight Simulation Employing Actual Missile Seeker in the Loop . . . . . . . . . . . . . . . . . . . . 8-21

8-14 Flight Simulation Employing Seeker Electronics in the Loop . . . . . . . . . . . . . . . . 8-22

9-1 Size of Target Relative to Reticle Pattern . . . . . . . . . . . . . . . . . . . . . . . 9-2

9-2 Typical Radar Cross Section in Azimuth Plane of Target . . . . . . . . . . . . . . . . 9-3

9-3 Ultraviolet-hfkared Scene Generator Configuration . . . . . . . . . . . . . . . . . 9-8

9-4 Typical RF Scene Simulation Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11

10-l Truncation Error in Euler Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9

10-2 Response of First-Order `Transfer Function to Step Input Calculated by Tustin Method . . . . . . . . . 10-15

10-3 Response of First-Order Transfer Function to Step Input Calculated by Root-Matching Method . . . . . . . . . 10-17

10-4 Response of Second-Order Transfer Function to Step Input Calculated by Root-Matching Method . . . . . . . . .10-18

11-1 Validation-Building a Pyramid of Confidence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

11-2 Effect of Model Validity Level on Benefit-to-Cost Ratio . . . . . . . . . . . . . . . . . . . . . . . . 11-3

12-1 Typical Top-Level Flow Diagram for a Flight Simulation . . . . . . . . . . . . . . . . . . . 12-5

12-2 Top View of Simulated Engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-22

12-3 Side View of Simulated Engagement xe ze-Plane . . . . . . . . . . . . . . . . . . . . . . . 12-22

12-4 Missile Speed History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-22

12-5 Seeker-Kead Angular Rate Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-23

12-6 Lateral Acceleration Command Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-23

12-7 Deflection Angle Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-24

12-8 Missile Rotational Moment Histories . . . . . . . . . . . . . . . . . . . . . . . . 12-24

12-9 Angle-of-Attack and Angle-of-Sideslip Histories . . . . . . . . . . . . . . . . . . 12-25

12-10 Total Angle-of-Attack History . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-25

12-11 Missile Rotational Rate Histories . . . . . . . . . . . . . . . . 12-25

A-1 Coordinate System Conventions . . . . . . . . . . . . . . . . . . . . A-2

LIST OF TABLES

Nomenclature for Forces, Moments, and Motion . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4

4-1

4-15

Acceleration due to Gravity at Earth Surface . . . . . . . . . . . . . . . . . . . . .

4-2

Selected Flight-Test Parameters for Estimating Aerodynamic Characteristics . . . . . . . . . . . . . .

5-17

5-1

Properties of US Standard Atmosphere (1976) . . . . . . . . . . . . . . . . . . .

B-2

B-1

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