The basic principles and use of hydroacoustic position reference systems in the offshore environment

Contents

  • Introduction - Terms of Reference from IMCA
  • Terms and Definitions
  • The Sound Equation
  • Principles of Measurement
  • Causes of Interference
  • Accuracy
  • Calibration
  • Redundancy and How to Achieve It
  • Equipment Considerations and Other Developments
  • Future Developments and Technical Barriers to Overcome
  • Acknowledgements
  • Appendix 1 - Calculation of Signal to Noise Ratio in the Presence of Thruster Noise
  • Appendix 2 - Probability Circles
  • Appendix 3 - Tables of Manufacturers' Products