CONTENTS xix 



13-4 Solar Radiation 692 



13-5 Nuclear Radiation 692 



13-6 Vibration and Shock 694 



13-7 Acoustic Noise 704 



13-8 Acceleration 707 



13-9 Moisture 708 



13-10 Static Electricity and Explosion 710 



13-11 Pressure 711 



13-12 Maintenance and Installation 712 



13-13 Transportation and Supply 714 



13-14 Potential Growth 715 



13-15 ReUabihty 715 



14 AIRBORNE NAVIGATION AND GROUND 

 SURVEILLANCE RADAR SYSTEMS 



14-1 Introduction to Doppler Navigation Systems 726 



14-2 Basic Principles of Doppler Radar Navigation .... 728 



14-3 System Considerations 733 



14-4 Major Characteristics and Components of a Doppler Radar 



Navigation System 736 



14-5 Doppler Navigation System Errors Caused by Interactions 



with the Ground and Water 746 



14-6 Modifying the Radar Range Equation for the Doppler Navi- 

 gation Problem 749 



14-7 Low Altitude Performance and the "Altitude Hole" . . . 752 



14-8 Doppler Navigation System Performance Data .... 755 



14-9 Introduction to Weather Radar 759 



14-10 Meteorological Effects at Microwave Frequencies . . . 760 

 14-11 Designing Airborne Radar Systems Explicitly for Weather 



Mapping 764 



14-12 Modifying the Radar Range Equation for the Weather 



Problem 764 



14-13 Relative Importance of Design Variables in Airborne Weather 



Radar 766 



14-14 Design Features 769 



14-15 Introduction to Active Airborne Ground Mapping Systems 772 



14-16 Basic Principles 772 



14-17 System Considerations 774 



14-18 Major Characteristics and Components 778 



14-19 Modifying the Radar Range Equation for the Active Ground 



Mapping Problem 782 



14-20 Resolution Limits in Ground Mapping Systems .... 784 



