CONTENTS

Preface

Acknowledgments

List of Contributors

 1 Introduction

Myron Kayton

1.1 Definitions

1.2 Guidance versus Navigation

1.3 Categories of Navigation

1.4 The Vehicle

1.4.1 Civil Aircraft

1.4.2 Military Aircraft

1.5 Phases of Flight

1.5.1 Takeoff

1.5.2 Terminal Area

1.5.3 En route

1.5.4 Approach

1.5.5 Landing

1.5.6 Missed Approach

1.5.7 Surface

1.5.8 Weather

1.6 Design Trade-offs

1.7 Evolution of Air Navigation

1.8 Integrated Avionics

1.8.1 All Aircraft

1.8.2 Military Avionics

1.8.3 Architecture

1.9 Human Navigator

 2 The Navigation Equations

Myron Kayton

1.1 Introduction

2.2 Geometry of the Earth

2.3 Coordinate Frames

2.4 Dead-Reckoning Computations

2.5 Positioning

2.5.1 Radio Fixes

2.5.2 Line-of-Sight Distance Measurement

2.5.3 Ground-Wave One-Way Ranging

2.5.4 Ground-Wave Time-Differencing

2.6 Terrain-Matching Navigation

2.7 Course Computation

2.7.1 Range and Bearing Calculation

2.7.2 Direct Steering

2.7.3 Airway Steering

2.7.4 Area Navigation

2.8 Navigation Errors

2.8.1 Test Data

2.8.2 Geometric Dilution of Precision

2.9 Digital Charts

2.10 Software Development

2.11 Future Trends

Problems

 3 Multisensor Navigation Systems

James R. Huddle, R. Grover Brown

3.1 Introduction

3.2 Inertial System Characteristics

3.3 An Integrated Stellar-Inertial System

3.4 Integrated Doppler-Inertial Systems

3.5 An Airspeed-Damped Inertial System

3.6 An Integrated Stellar-Inertial-Doppler System

3.7 Position Update of an Inertial System

3.8 Noninertial GPS Multisensor Navigation Systems

3.9 Filtering of Measurements

3.9.1 Single Sensor, Stationary Vehicle

3.9.2 Multiple Sensors, Stationary Vehicle

3.9.3 Multiple Sensors, Moving Vehicle

3.10 Kalman Filter Basics

3.10.1 The Process and Measurement Models

3.10.2 The Error Covariance Matrix

3.10.3 The Recursive Filter

3.11 Open-Loop Kalman Filter Mechanization

3.12 Closed-Loop Kalman Filter Mechanization

3.13 GPS–INS Mechanization

3.13.1 Linearizing a Nonlinear Range Measurement

3.13.2 GPS Clock Error Model

3.13.3 11-State GPS-INS Linear Error Model

3.13.4 Elaboration of the 11-State GPS–INS Error Model

3.14 Practical Considerations

3.15 Federated System Architecture

3.16 Future Trends

Problems

 4 Terrestrial Radio-Navigation Systems

Bahar J. Uttam, David H. Amos, Joseph M. Covino, Peter Morris

4.1 Introduction

4.2 General Principles

4.2.1 Radio Transmission and Reception

4.2.2 Propagation and Noise Characteristics

4.3 System Design Considerations

4.3.1 Radio-Navigation System Types

4.3.2 System Performance Parameters

4.4 Point Source Systems

4.4.1 Direction-Finding

4.4.2 Nondirectional Beacons

4.4.3 Marker Beacons

4.4.4 VHF Omnidirectional Range (VOR)

4.4.5 Doppler VOR

4.4.6 Distance-Measuring Equipment (DME)

4.4.7 Tactical Air Navigation (Tacan)

4.4.8 VORTAC

4.5 Hyperbolic Systems

4.5.1 Loran

4.5.2 Omega

4.5.3 Decca

4.5.4 Chayka

4.6 Future Trends

Problems

 5 Satellite Radio Navigation

A. J. Van Dierendonck

5.1 Introduction

5.1.1 System Configuration

5.2 The Basics of Satellite Radio Navigation

5.2.1 Ranging Equations

5.2.2 Range-Rate (Change-in-Range) Equations

5.2.3 Clock Errors

5.3 Orbital Mechanics and Clock Characteristics

5.3.1 Orbital Mechanics

5.3.2 Clock Characteristics

5.4 Atmospheric Effects on Satellite Signals

5.4.1 Ionospheric Refraction

5.4.2 Tropospheric Refraction

5.5 NAVSTAR Global Positioning System

5.5.1 Principles of GPS and System Operation

5.5.2 GPS Satellite Constellation and Coverage

5.5.3 Space Vehicle Configuration

5.5.4 The GPS Control Segment

5.5.5 GPS Signal Structure

5.5.6 The GPS Navigation Message

5.5.7 GPS Measurements and the Navigation Solution

5.5.8 Aviation Receiver Characteristics

5.5.9 Differential GPS

5.5.10 GPS Accuracy

5.6 Global Orbiting Navigation Satellite System (GLONASS)

5.6.1 GLONASS Orbits

5.6.2 GLONASS Signal Structure

5.6.3 The GLONASS Navigation Message

5.6.4 Time and Coordinate Systems

5.6.5 GLONASS Constellation

5.7 GNSS Integrity and Availability

5.7.1 Receiver Autonomous Integrity Monitoring (RAIM)

5.7.2 Combined GPS/GLONASS

5.7.3 Wide Area Augmentation System (WAAS)

5.7.4 Pseudolite Augmentation

5.8 Future Trends

Problems

 6 Terrestrial Integrated Radio Communication–Navigation Systems

Walter R. Fried, James A. Kivett, Edgar Westbrook

6.1 Introduction

6.2 JTIDS Relative Navigation

6.2.1 General Principles

6.2.2 JTIDS System Characteristics

6.2.3 Clock Synchronization

6.2.4 Coordinate Frames and Community Organization

6.2.5 Operational Utility

6.2.6 Mechanization

6.2.7 Error Characteristics

6.2.8 System Accuracy

6.3 Position Location Reporting System

6.3.1 General Principles

6.3.2 System Elements

6.3.3 Control Network Structure

6.3.4 Waveform Architecture

6.3.5 Measurements

6.3.6 Position Location and Tracking

6.3.7 Tracking Filter

6.3.8 Network and Traffic Management

6.3.9 System Capacity and Accuracy

6.3.10 PLRS User Equipment Characteristics

6.3.11 System Enhancements

6.4 Future Trends

Problems

 7 Inertial Navigation

Daniel A. Tazartes, Myron Kayton, John G. Mark

7.1 Introduction

7.2 The System

7.3 Instruments

7.3.1 Accelerometers

7.3.2 Gyroscopes

7.3.3 Optical Gyroscopes

7.3.4 Mechanical Gyroscopes

7.3.5 Future Inertial Instruments

7.4 Platforms

7.4.1 Analytic Platform (Strapdown)

7.4.2 Gimballed Platform

7.4.3 Inertial Specifications

7.5 Mechanization Equations

7.5.1 Coordinate Frames

7.5.2 Horizontal Mechanization

7.5.3 Vertical Mechanization

7.6 Error Analysis

7.6.1 Purpose

7.6.2 Simulation

7.6.3 Error Propagation

7.6.4 Total System Error

7.7 Alignment

7.7.1 Leveling

7.7.2 Gyrocompass Alignment

7.7.3 Transfer Alignment

7.7.4 Attitude and Heading Reference Systems (AHRS)

7.8 Fundamental Limits

7.9 Future Trends

Problems

 8 Air-Data Systems

Stephen S. Osder

8.1 Introduction

8.2 Air-Data Measurements

8.2.1 Conventional “Intrusive” Probes

8.2.2 Static Pressure

8.2.3 Total Pressure

8.2.4 Air Temperature

8.2.5 Angle of Attack and Angle of Sideslip

8.2.6 Air-Data Transducers

8.3 Air-Data Equations

8.3.1 Altitude

8.3.2 Mach Number

8.3.3 Calibrated Airspeed

8.3.4 True Airspeed

8.3.5 Altitude Rate

8.4 Air-Data Systems

8.4.1 Accuracy Requirements

8.4.2 Air-Data Computers

8.4.3 Architecture Trends

8.5 Specialty Designs

8.5.1 Helicopter Air-Data Systems

8.5.2 Optical Air-Data Systems

8.5.3 Hypersonic Air Data

8.6 Calibration and System Test

8.6.1 Ground Calibration

8.6.2 Flight Calibration

8.6.3 Built-in Test (BIT)

8.7 Future Trends

Problems

 9 Attitude and Heading References

Myron Kayton, Willis G. Wing

9.1 Introduction

9.2 Basic Instruments

9.2.1 Gyroscopes

9.2.2 Gravity Sensors

9.3 Vertical References

9.3.1 The Averaging Vertical Reference

9.3.2 Rate Compensations

9.3.3 Acceleration Corrections

9.3.4 Maneuver Errors

9.4 Heading References

9.4.1 Earth's Magnetic Field

9.4.2 Aircraft Magnetic Effects

9.4.3 The Magnetic Compass Needle

9.4.4 Magnetometers

9.4.5 Electrical Swinging

9.4.6 The Directional Gyroscope

9.5 Initial Alignment of Heading References

9.6 Future Trends

Problems

10 Doppler and Altimeter Radars

Walter R. Fried, Heinz Buell, James R. Hager

10.1 Doppler Radars

10.1.1 Functions and Applications

10.1.2 Doppler Radar Principles and Design Approaches

10.1.3 Signal Characteristics

10.1.4 Doppler Radar Errors

10.1.5 Equipment Configurations

10.2 Radar Altimeters

10.2.1 Functions and Applications

10.2.2 General Principles

10.2.3 Pulsed Radar Altimeters

10.2.4 FM-CW Radar Altimeter

10.2.5 Phase-Coded Pulsed Radar Altimeters

10.3 Future Trends

Problems

11 Mapping and Multimode Radars

Jack O. Pearson, Thomson S. Abbott, Jr., Robert H. Jeffers

11.1 Introduction

11.2 Radar Pilotage

11.3 Semiautomatic Position Fixing

11.4 Semiautomatic Position Fixing with Synthetic Aperture Radars

11.4.1 Unfocused Systems

11.4.2 Focused Systems

11.4.3 Motion Compensation

11.5 Precision Velocity Update

11.5.1 Mechanization

11.5.2 PVU Measurement Errors

11.5.3 PVU Kalman Filter

11.5.4 PVU Mode Observability Concerns

11.6 Terrain Following and Avoidance

11.6.1 Radar Mode and Scan Pattern Implementation

11.6.2 Terrain Measurement

11.6.3 Aircraft Control

11.7 Multimode Radars

11.8 Signal Processing

11.9 Airborne Weather Radar

11.9.1 Radar Reflectivity of Weather Formations

11.9.2 Weather Radar Processing

11.9.3 Radar Detection of Microburst and Wind Shear

11.10 Future Trends

1l.10.1 Electronic Scanned Arrays

11.10.2 Radar Processing

11.10.3 Radar Receiver/Exciter Function

11.10.4 Interfaces and Packaging

11.10.5 Displays

Problems

12 Celestial Navigation

Edward J. Knobbe, Gerald N. Haas

12.1 Introduction

12.1.1 Evolution of Celestial Navigation

12.1.2 General System Description

12.2 Star Observation Geometry

12.3 Theory of Stellar-Inertial Navigation

12.3.1 Modeling and Kalman Filtering

12.3.2 Information and Observability

12.4 Stellar Sensor Design Characteristics

12.4.1 Telescope Parameters

12.4.2 Star-Signal Power

12.4.3 Sky Background Power

12.4.4 Star-light Detection

12.4.5 Focal Plane Array Processing

12.5 Celestial Navigation System Design

12.5.1 Time Reference

12.5.2 Star Observation and Pointing Errors

12.5.3 Stabilized Platform Configuration

12.5.4 Strapdown IMU Configurations

12.6 Star Catalog Characteristics

12.6.1 Star Catalog Contents

12.6.2 Star Catalog Size

12.6.3 Planet and Moon Avoidance

12.6.4 Star Position Corrections

12.7 System Calibration and Alignment

12.7.1 Factory Calibration

12.7.2 Pre-flight and In-flight Calibration and Alignment

12.8 Future Trends

Problems

13 Landing Systems

D. B. Vickers, Richard H. McFarland, William M. Waters, Myron Kayton

13.1 Introduction

13.2 Low-Visibility Operations

13.3 The Mechanics of the Landing

13.3.1 The Approach

13.3.2 The Flare Maneuver

13.3.3 The Decrab Maneuver and Touchdown

13.3.4 Rollout and Taxi

13.4 Automatic Landing Systems

13.4.1 Guidance and Control Requirements

13.4.2 Flare Guidance

13.4.3 Lateral Guidance

13.5 The Instrument Landing System

13.5.1 ILS Guidance Signals

13.5.2 The Localizer

13.5.3 The Glide Slope

13.5.4 ILS Marker Beacons

13.5.5 Receivers

13.5.6 ILS Limitations

13.6 The Microwave-Landing System

13.6.1 Signal Format

13.6.2 The Angle Functions

13.6.3 Data Functions

13.6.4 Aircraft Antennas and Receivers

13.6.5 Mobile MLS

13.6.6 Precision DME (DME/P)

13.7 Satellite Landing Systems

13.7.1 Augmentation Concepts

13.7.2 Position Solutions

13.7.3 Research Issues

13.8 Carrier-Landing Systems

13.8.1 Description of the Problem

13.8.2 Optical Landing Aids

13.8.3 Electronic Landing Aids

13.9 Future Trends

13.9.1 Pilot Aids

13.9.2 Satellite Landing Aids

13.9.3 Airport Surface Navigation

13.9.4 Carrier Landing

Problems

14 Air Traffic Management

Clyde A. Miller, John A. Scardina

14.1 Introduction

14.1.1 Services Provided to Aircraft Operators

14.1.2 Government Responsibilities

14.2 Flight Rules and Airspace Organization

14.2.1 Visual and Instrument Flight Rules

14.2.2 Altimetry

14.2.3 Controlled Airspace

14.2.4 Uncontrolled Airspace

14.2.5 Special Use Airspace

14.3 Airways and Procedures

14.3.1 Victor Airways and Jet Routes

14.3.2 Random Routes

14.3.3 Separation Standards

14.3.4 Terminal Instrument Procedures

14.3.5 Standard Instrument Departures and Arrivals

14.4 Phases of Flight

14.4.1 Pre-flight Planning

14.4.2 Departure

14.4.3 En Route

14.4.4 Approach and Landing

14.4.5 Oceanic

14.5 Subsystems

14.5.1 Navigation

14.5.2 Radar Surveillance

14.5.3 Automatic Dependent Surveillance

14.5.4 Air-to-Ground Data Link Communications

14.5.5 Aviation Weather

14.5.6 Automation and Display Subsystem

14.5.7 Airborne ATM Subsystems

14.6 Facilities and Operations

14.6.1 National Traffic Management

14.6.2 En-route Facilities

14.6.3 Terminal Facilities

14.6.4 Airport Facilities

14.6.5 Flight Service Facilities

14.6.6 Oceanic Facilities

14.7 System Capacity

14.7.1 Reducing Peak Demand

14.7.2 Increasing System Capacity

14.8 Airborne Collision Avoidance Systems

14.9 Future Trends

Problems

15 Avionics Interfaces

Cary R. Spitzer

15.1 Introduction

15.2 Data Buses

15.3 Crew Displays

15.4 Power

15.5 Maintenance

15.6 Physical Interface

15.7 Future Trends

Problems

References

Index

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