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Practical Phased Array Antenna Systems

By: Eli Brookner

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Paperback | 19 December 1991

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Paperback
320 Pages

Dimensions(cm)
27.86 x 20.96 x 1.73

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Electronic Scanning Radar Systems (ESRS) Design and Architecture
Modern Radar Requirements	p. 1
Increased Range Coverage	p. 1
Increased Resolution	p. 1
Shorter Reaction Time	p. 2
Electronic Scanning Radar Systems (ESRS) Characteristics	p. 2
Definition	p. 2
Electronic Scanning Techniques	p. 2
Implementation	p. 4
Illumination Tapering	p. 8
Advantages of ESRSs	p. 8
Disadvantages of ESRSs	p. 9
Parameter Management	p. 9
ESRS Integration, Test and Evaluation	p. 11
ESR System Design Methodology	p. 12
Problem for Lecture #7	p. 13
Antenna Array Fundamentals - Part 1
Linear Arrays	p. 1
Uniform Weighting	p. 1
Weighted Apertures	p. 10
Planar Arrays	p. 19
Rectangular Aperture	p. 19
Circular Apertures	p. 22
Equivalence Between Circular and Linear Aperture Antenna Patterns	p. 27
Monopulse Difference Patterns	p. 27
Array Thinning	p. 27
Statistical Density Tapering	p. 27
Sidelobe Level of Thinned Arrays	p. 36
Directivity of a Thinned Array	p. 37
System Aspects of Thinned Arrays	p. 37
Antenna Array Fundamentals: Part 2
Effects of Errors on Antenna Array Characteristics	p. 1
Effect of Errors on Antenna Sidelobe Levels and Directivity	p. 1
Angle Measurement Accuracy	p. 20
Detection Considerations for Phased Arrays	p. 25
Beam Shape Loss, Beam Packing Loss, and Optimum Beam Spacing	p. 25
Sequential Detection	p. 28
Acknowledgement	p. 28
References	p. 28
Phased Array Elements - Part 1
General Considerations of Array Elements	p. 1
The Large Phased Array	p. 3
Array Factor	p. 3
Element Factor	p. 9
Phased Array Elements - Part 2
Element Matching	p. 1
Matching with Frequency	p. 1
Wide Angle Impedance Matching (WAIM)	p. 2
Waveguide Simulators [19, 20]	p. 7
The Small Array	p. 7
Some Designed Elements	p. 11
Narrow Band Designs	p. 11
Broadband Designs	p. 11
Aperture Effects	p. 14
Feed Effects	p. 18
Array Feeds
Selecting a Feed System	p. 1
Electrical Performance Requirements	p. 1
Environmental Requirements	p. 3
Types of Array Feed Techniques	p. 3
Array Feed Categories	p. 3
General Characteristics of Array Feeds	p. 3
Analysis of Feed Network Performance	p. 5
Reactive Divider Network	p. 5
Matched Divider Network	p. 5
Constrained Feeds	p. 7
Constrained Feed-Parallel	p. 7
Constrained Feed-Serial	p. 7
Semi-Constrained Feed	p. 9
Radial Feeds	p. 9
Sector Horn Feeds	p. 9
Constrained Lens Feeds	p. 11
Unconstrained Feeds	p. 11
Transmission Lens Array	p. 11
Reflect Arrays	p. 13
Special Feed Techniques	p. 13
Self-Duplexing	p. 13
Self-Isolation	p. 13
Sub-Arrays	p. 15
Conclusions	p. 15
Phase Control Device Selection Requirements	p. 15
Selection of Phasers	p. 15
High-Power Phasers	p. 16
Low-Level Phasers	p. 16
Selection of Time Delayers	p. 18
Conclusion	p. 18
Case Study -- Design of Air Defense ESRS
Threat Model/Performance Requirements	p. 1
Search	p. 1
Detection Range -- Aircraft	p. 1
Detection Range -- Missile	p. 1
Resolution	p. 1
False Alarm Number	p. 1
Search Pattern	p. 1
Array-Space Coordinates	p. 2
Coordinate Transformation Summary	p. 2
Probability of Detection	p. 4
Energy Requirements	p. 4
Track	p. 6
Waveform	p. 6
Accuracy -- One Sigma Values	p. 6
MTI -- Moving Target Indication	p. 8
Parameter Management	p. 9
Time	p. 9
Energy	p. 9
Waveform	p. 10
Power	p. 11
Time and Power Budgets	p. 11
Duty Cycle	p. 11
Compact, Constrained Feed Phased Array for AN/SPY-1
General Functional Requirements of the Array as a Sub-Segment of the AN/SPY-1 Radar	p. 1
Functional Description of the Array Antenna	p. 1
Description of Major Array Components	p. 3
Radiating Elements	p. 3
Array Modules	p. 3
Combinations of Array Modules	p. 3
Receiver Beamforming Networks	p. 7
Array Environments	p. 7
Performance Requirements	p. 7
Internal Heat Load Sources and Air Flow Distribution	p. 8
Ships Resources Utilized	p. 8
Array Structure	p. 8
Structural Analysis	p. 8
Summary of Array Performance Characteristics	p. 13
RF Loss	p. 13
Computed Pattern Characteristics	p. 13
Overall Assembly	p. 13
Array Testing	p. 13
Test Facility	p. 13
Test Range	p. 13
Calibration and Verification Facilities	p. 13
Array and BSC Operational Status Check	p. 13
Coordinate Systems	p. 23
Angular Coverage	p. 23
Results of Performance Tests	p. 23
Self-Duplexing	p. 23
Antenna Mismatch	p. 25
Coverage	p. 25
Instantaneous Bandwidth	p. 25
Receive Gain	p. 27
Transmit Gain	p. 27
Transmit and Receive Patterns	p. 27
Summary of Pattern Data	p. 35
Antenna Monopulse Tracking Characteristics	p. 35
Polarization Characteristics of the AN/SPY-1 Array	p. 35
Limited Scan Arrays - Part 1
Basic Requirements of Limited Scan	p. 1
Instantaneous Bandwidth	p. 1
Polarization Characteristics and Weather	p. 2
Fundamental Bounds and Concepts for Ideal Limited Scan Systems	p. 2
Estimates of the Minimum Number of Control Elements	p. 2
Ideal Subarray Pattern: Concept of Overlap	p. 6
Spatial Fourier Transforms: Orthogonal Beams and Orthogonal Beam Matrices	p. 6
Orthogonality and Some Practical Conclusions about Limited Scan Arrays	p. 7
An Idealized Circuit for Spatial Overlap, and It's Implications for Design	p. 8
The Completely Overlapped Subarray Antenna System (HIPSAF)	p. 9
Arrays with Reflectors or Lenses	p. 9
Single Reflector and Lens Techniques	p. 10
Dual Reflector or Lens Antennas	p. 12
Limited Scan Arrays - Part 2
Array Techniques	p. 1
Aperiodic Arrays	p. 1
Spatially Interlaced Arrays	p. 1
Multi-Mode Scanning Techniques	p. 3
Overlapped Sub-Array Techniques	p. 8
Selecting Element Latices for Optimum Scanning	p. 11
Dielectric Layers as Spatial Filters	p. 13
Design Examples and Conclusion	p. 14
Single Reflector Designs
Dual Reflectors or Lenses	p. 14
Array Techniques	p. 15
Conclusion	p. 16
Computer Control of a Multifunction Radar - Part 1
Introduction	p. 1
Functional Description of System	p. 1
Radar System Operation	p. 3
Software System Requirements	p. 3
Functional Requirements	p. 4
Basic Processes	p. 4
Multifunction Processing Requirements	p. 4
Search-and-Detect Processes	p. 5
Radar Dwell Scheduling	p. 5
Controlling False Alarms and Redundant Detections	p. 5
Controlling Multiple Detections	p. 6
Redetection Control	p. 6
Transition-to-Track Process	p. 6
Track Maintenance	p. 6
User Services	p. 6
Computer Control of a Multifunction Radar - Part 2
Definition of Software System	p. 1
Priority Processing and Multiprogramming	p. 1
Program Architecture	p. 1
Executive Control of Multifunction Operation	p. 4
Module Communications	p. 4
Data and Control Flows	p. 5
Concepts for Efficient Real Time Operation Batch Processing for Reduced Overhead	p. 5
General Considerations	p. 5
Fully Utilizing the Radar Resource	p. 6
Further System Consideration	p. 8
Saturation Mechanisms	p. 8
Sample System	p. 8
Peak-Load Case	p. 9
Nominal Search	p. 9
Comparison of Cases	p. 9
Table of Contents provided by Syndetics. All Rights Reserved.

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