Sonic 2024 User Manual

11.3 Patch Test Criteria ............................................................................................................... 132
11.3.1 Latency Test ................................................................................................................ 132
11.3.2 Roll Test ....................................................................................................................... 133
11.3.3 Pitch Test ..................................................................................................................... 134
11.3.4 Yaw Test ...................................................................................................................... 135
11.4 Solving for the Patch Test .................................................................................................... 136
11.5 History ................................................................................................................................. 136
11.6 Basic data collection criteria ............................................................................................... 137
11.7 Patch Test data collection error areas ............................................................................... 137
11.7.1
Positioning .................................................................................................................. 137
11.7.2
Feature chosen for test .............................................................................................. 137
11.7.3
Water depth ............................................................................................................... 138
11.7.4
Use predefined survey lines ....................................................................................... 138
11.7.5
Speed .......................................................................................................................... 138
11.7.6
Vessel line up .............................................................................................................. 138
11.7.7
Pole variability ............................................................................................................ 138
11.8 Improving the Patch Test and Patch Test results .............................................................. 139
11.8.1
Need to collect sufficient data ................................................................................... 139
11.8.2
Individually solving values .......................................................................................... 140
11.9 Truthing the patch test ....................................................................................................... 140
12 APPENDIX VI: Basic Acoustic Theory .................................................................................... 141
12.1 Introduction ......................................................................................................................... 141
12.2 Sound Velocity ..................................................................................................................... 141
12.2.1 Salinity ......................................................................................................................... 143
12.2.2 Temperature ............................................................................................................... 143
12.2.3 Refraction Errors ......................................................................................................... 143
12.3 Transmission Losses ............................................................................................................ 144
12.3.1 Spreading Loss ............................................................................................................. 144
12.3.2 Absorption ................................................................................................................... 145
12.3.3 Reverberation and Scattering ..................................................................................... 149
Page 10 of 210
Version 5.0 Rev r002
Date 05-08-2014
Part No. 96000001

Sonic 2024 Specifications

General

Brand	Sonic
Model	2024
Category	Marine Equipment
Language	English