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Tracking Moving Targets

Tracking Moving Targets

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This chapter covers the following topics: track-while-scan; coherent pulsed tracking radar; limitations to moving target indicator (MTI) performance; range gated pulsed Doppler tracking; coordinate frames; antenna mounts and servo systems; on-axis tracking; and tracking in cartesian space.

Chapter Contents:

  • 14.1 Track While Scan
  • 14.2 The Coherent Pulsed Tracking Radar
  • 14.2.1 Single Channel Detection
  • 14.2.2 I/Q Detection
  • 14.2.3 Moving Target Indicator (MTI)
  • 14.2.3.1 Blind Speeds
  • 14.2.3.2 Staggered PRF and Blind Speed
  • 14.3 Limitations to MTI Performance
  • 14.4 Range-Gated Pulsed Doppler Tracking
  • 14.5 Coordinate Frames
  • 14.5.1 Measurement Frame
  • 14.5.2 Tracking and Estimation Frame
  • 14.6 Antenna Mounts and Servo Systems
  • 14.7 On-Axis Tracking
  • 14.7.1 Crossing Targets and Apparent Acceleration
  • 14.7.2 Millimeter Wave Tracking Radar
  • 14.8 Tracking in Cartesian Space
  • 14.9 Worked Example: Fire Control Radar
  • 14.9.1 Requirements
  • 14.9.2 Selection of Polarization
  • 14.9.3 Positioner Specifications
  • 14.9.4 Radar Horizon
  • 14.9.5 Selection of Frequency
  • 14.9.6 Adverse Weather Effects
  • 14.9.7 Required Single Pulse Signal-to-Noise Ratio
  • 14.9.8 Tracking Gate Size
  • 14.9.9 Signal-to-Clutter
  • 14.9.10 Moving Target Indicator
  • 14.9.11 The Pulse Repetition Frequency
  • 14.9.12 Search Requirement
  • 14.9.13 Integration Gain
  • 14.9.14 Matched Filter
  • 14.9.15 Transmitter Power
  • 14.9.16 System Configuration
  • 14.9.17 Free Space Detection Range
  • 14.9.18 Effects of Multipath on Aircraft Detection
  • 14.9.19 Detection Threshold and CFAR
  • 14.9.20 Transition to Track
  • 14.9.21 Target Tracking
  • 14.10 References

Inspec keywords: servomechanisms; target tracking; mountings; radar tracking; Doppler radar; radar antennas

Other keywords: coordinate frames; servo systems; coherent pulsed tracking radar; cartesian space tracking; track-while-scan; on-axis tracking; moving target indicator performance limitations; antenna mounts; moving target tracking; range gated pulsed Doppler tracking

Subjects: Radar equipment, systems and applications; Single antennas; Signal processing and detection; Radar theory

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