A Novatel Precise Positioning Product
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A NovAtel Precise Positioning Product Inertial Explorer USER GUIDE OM-20000106 Rev 5 Inertial Explorer User Guide Publication Number: OM-20000106 Revision Level: 4A Revision Date: 2008/02/15 This manual reflects Inertial Explorer software version 8.10. Proprietary Notice Information in this document is subject to change without notice and does not represent a commitment on the part of NovAtel Inc. The software described in this document is furnished under a licence agreement or non-disclosure agreement. The software may be used or copied only in accordance with the terms of the agreement. It is against the law to copy the software on any medium except as specifically allowed in the license or non-disclosure agreement. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written permission of a duly authorized representative of NovAtel Inc. The information contained within this manual is believed to be true and correct at the time of publication. NovAtel, Inertial Explorer, GrafNav, GrafNet, GPSolution, ProPak, OEMV, OEM4, and RT-2 are registered trademarks of NovAtel Inc. Waypoint, SPAN Technology, DL-4plus, ProPak-G2plus, ProPak-LBplus, PAC, AdVance, and RT-20 are trademarks of NovAtel Inc. All other product or brand names are trademarks of their respective holders. © Copyright 2008 NovAtel Inc. All rights reserved. Unpublished rights reserved under International copyright laws. Printed in Canada on recycled paper. Recyclable. 2 Inertial Explorer 8.10 User Guide Rev 5 Table of Contents Table of Contents Table of Contents 3 Foreward ............................................................................................................................................... 9 Software License ................................................................................................................................ 13 Warranty ............................................................................................................................................. 15 Terms and Conditions ......................................................................................................................... 17 1 Inertial Explorer 19 1.1 Overview of Inertial Explorer.......................................................................................................... 19 1.2 Getting Started with Inertial Explorer............................................................................................. 19 1.3 File Menu....................................................................................................................................... 22 1.3.1 New Project ......................................................................................................................... 22 1.3.2 Add Master File(s) ............................................................................................................... 22 1.3.3 Add Remote File ................................................................................................................. 22 1.3.4 Add IMU File ........................................................................................................................ 23 1.3.5 Convert................................................................................................................................. 23 1.3.6 Removing Processing Files.................................................................................................. 23 1.4 View Menu..................................................................................................................................... 24 1.5 Process Menu................................................................................................................................ 24 1.5.1 Process IMU (loosely coupled) ........................................................................................... 24 1.5.2 Process TC (tightly coupled IMU) ........................................................................................ 37 1.5.3 Combine and Smooth ......................................................................................................... 38 1.5.4 Solve Boresighting Angles .................................................................................................. 40 1.5.5 Loading IMU Solutions ......................................................................................................... 43 1.6 Settings Menu ............................................................................................................................... 44 1.6.1 IMU Settings ........................................................................................................................ 44 1.7 Output Menu.................................................................................................................................. 44 1.7.1 Plot Results ......................................................................................................................... 44 1.7.2 Export Wizard....................................................................................................................... 45 1.8 Tools Menu.................................................................................................................................... 45 1.9 Interactive Windows....................................................................................................................... 46 1.10 Processing Window ..................................................................................................................... 46 1.11 Help Menu ................................................................................................................................... 46 1.11.1 Help Topics ....................................................................................................................... 46 1.11.2 The Waypoint Products Group’s Web Page ..................................................................... 46 1.11.3 About Inertial Explorer........................................................................................................ 47 2 Conversion Utilities 49 2.1 Raw IMU Data Converter............................................................................................................... 49 2.1.1 Waypoint IMU Data Conversion........................................................................................... 49 2.1.2 Creating / Modifying a Conversion Profile ........................................................................... 50 2.1.3 Sensor Orientation Settings ................................................................................................. 51 2.1.4 Decoder Settings.................................................................................................................. 51 3 Data and File Formats 53 3.1 Data Formats................................................................................................................................. 53 3.1.1 NovAtel’s SPAN Technology................................................................................................ 53 3.2 File Formats................................................................................................................................... 54 3.2.1 IMR File................................................................................................................................ 54 3.3 Output Files ................................................................................................................................... 56 3.3.1 FIL/RIL/FTL/RTL Files ......................................................................................................... 56 3.3.2 FIM/RIM/FTM/RTM Files...................................................................................................... 57 Inertial Explorer 8.10 User Guide Rev 5 3 Table of Contents 3.3.3 BIF/BIR/BTF/BTR Files ........................................................................................................ 58 4 FAQ and Tips 61 4.1 Overview of FAQ and Tips............................................................................................................. 61 4.2 How are Inertial Explorer and coordinate frames related? ............................................................ 61 4.2.1 What is an inertial frame?..................................................................................................... 61 4.2.2 What is a computation frame? .............................................................................................62 4.2.3 What is a navigation frame? ................................................................................................ 62 4.2.4 What is a body frame? ........................................................................................................ 62 4.3 What should I know about inertial processing? ............................................................................. 63 4.3.1 Why are error models so important?.................................................................................... 65 4.3.2 Why is alignment so important? .......................................................................................... 66 4.3.3 What is static alignment? .................................................................................................... 66 4.3.4 What is kinematic alignment?..............................................................................................