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Guideline Geo MALA MIRAsoft HDR User Manual

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MALÅ MIRAsoft HDR
User Guide

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Summary of Contents for Guideline Geo MALA MIRAsoft HDR

  • Page 1 MALÅ MIRAsoft HDR User Guide...
  • Page 2 Our Thanks... Thank you for choosing Guideline Geo and MALÅ as your Ground Penetrating Radar solution provider. The very core of our corporate philosophy is to provide our users with the very best products, support and services. Our development team is committed to providing you with the most technologically advanced and easy-to-use GPR products with the capability to meet your needs for efficiency and productivity now, and into the future.
  • Page 3 Guideline Geo shall not be liable for any loss or damage arising from the use of any information in this document, or any error or omission in such information, or any incorrect use of the product.

  • Page 4: Table Of Contents

    Table of Contents Preface About this Manual Additional Resources Feedback About MIRAsoft HDR Installation Computer requirements First run Overview MIRAsoft HDR MIRAsoft HDR Main Screen File Directory Measurement Settings with MIRAsoft HDR Start Settings Menu Positioning Menu Advanced Menu Projects Menu About Menu Measurements Tips and tricks during measurement...

  • Page 5: Preface

    Preface About this Manual This manual is written for the end user of the product and explains how to set up and configure the product, as well as providing detailed instruction on its use. Additional Resources GPR Training www.guidelinegeo.com/support-service-advice-training/ GPR Case Studies www.guidelinegeo.com/solutions/case-stories/ GPR Downloads www.guidelinegeo.com/support-service-advice-training/resource-...

  • Page 6: About Mirasoft Hdr

    MALÅ MIRAsoft HDR is the data acquisition software dedicated to the MALÅ MIRA HDR (MALÅ Imaging Radar Array, High Dynamic Range) system from Guideline Geo. MIRAsoft HDR acquires data from the MALÅ MIRA HDR array system. As a Windows 10™ based software MIRAsoft HDR gives you an easy-to-use user interface, file management, and other key features.

  • Page 7: Installation

    Installation The MIRAsoft HDR software is downloadable from the Guideline Geo´s homepage. Computer requirements The software runs on Windows 10 (64 bit). It is recommended to have an i7 processor and 8GB of RAM and a minimum of 1GB RAM is required. The MIRA HDR system collects approximately...

  • Page 8: Overview Mirasoft Hdr

    Overview MIRAsoft HDR MIRAsoft HDR is the data acquisition software for the MIRA HDR system. MIRAsoft HDR is used for collecting new multichannel GPR data and to view already collected data. Post-processing and interpretation of MIRA HDR are done in other 3D GPR software such as rSlicer and GPR-Slice. This manual (together with the User Guide for MIRA HDR) explains how to set up the measurements with the MIRA HDR antenna array, collect data and save it to a suitable format.

  • Page 9: Mirasoft Hdr Main Screen

    MIRAsoft HDR Main Screen The main menu is found in the left upper corner: At the bottom of the main screen, in the status bar, system information and basic viewing choices can be made. Left side of status bar: From left-to-right: •...
  • Page 10 3. For each measurement, 5 files per channel are created: • <projectname>_<swath>_<channel>.rd7 (32 bit GPR raw data) • <projectname>_<swath>_<channel>.rad (information on channel settings) • <projectname>_<swath>.YML (snapshot of system settings when measurement was done) • <projectname>_<swath>.pos (if positioning is available, it will contain raw GPS positions for the measurement as NMEA strings).

  • Page 11: Measurement Settings With Mirasoft Hdr

    Measurement Settings with MIRAsoft HDR Start When starting MIRAsoft HDR for the first time, the Projects Menu is opened (see Projects Menu section, below) otherwise the following options are available: Continue working on. This option opens the last opened/measured project, summary information on this current project is also shown.

  • Page 12: Settings Menu

    Settings Menu In the Settings menus, you find measurement settings for the traces, trigger and channel selection. Note: You can have different settings for different swaths measured within the same project. However, in rSlicer, the swaths will need to be processed in groups of profiles which share the same settings.
  • Page 13 Trigger Options The MIRA HDR can be trigged with Distance or Time. For Distance, choose the Distance between traces and the Available calibrated wheel. If a new wheel is needed, or a re-calibration has to be carried out, use the option Wheel Wizard which will guide you through some easy steps to calibrate and save a new measurement wheel.

  • Page 14: Positioning Menu

    Positioning Menu Positioning of the MIRA HDR antenna array is done with an external GNSS system such as an RTK- GPS. It is highly recommended to use an accurate GNSS solution to position the MIRA HDR measurements as this will increase the quality of the resulting time slice images. The GPS is connected to the computer used for data collection.
  • Page 15 The Save and Delete options are used to create a copy of an online map for offline use. At a certain zoom level, the background map can be saved locally so it can be used if you need to work in off- line mode;...

  • Page 16: Advanced Menu

    Advanced Menu In the Advanced menu, you find three different tabs to configure the Signal Position Settings, the Geometry Settings of the antennas and the Power Settings. Signal Position Settings The most important difference with MIRA HDR measurements compared to single channel operations, is the time zero setting.
  • Page 17 The 0,0-point of the system is located in the back left corner of the array box: Power Settings In this tab adjustments can be made to power levels: • Power Mode: choose between PowerOff, PowerOffAtLevel or AlwaysOn.
  • Page 18 • Battery off level: decide at which battery level the system should be turned off. • Battery power level: this will be the maximum battery voltage registered by MIRA HDR; this setting affects the battery level displayed in the status bar. When changes are made, press Write to MIRA HDR, to send the new information to the firmware of the antenna box.

  • Page 19: Projects Menu

    Projects Menu The Projects menu can be accessed from the MIRAsoft HDR main drop-down menu. It shows all existing projects as well as giving the option to create new projects, delete old ones or select projects to view after a measurement is finished. Open Existing Projects The project is opened with a single click on the chosen project folder.
  • Page 20 If several swaths have been measured it is easy to change the radargram view by clicking on the swath in the map view, or you can choose which swath to display in the swath-selector in the status bar.
  • Page 21 Export The Export function is found on each project folder by clicking the project’s options button Note: If measurements have been done with different settings for different swaths, the rSlicer export will be divided into several projects, grouping together swaths with the same settings. Template The option Template found in a project’s options menu: Save ->...

  • Page 22: About Menu

    About Menu This screen displays find information on the current software and firmware versions and how to upgrade the firmware of the MIRA HDR system. Press Upgrade and then follow the instructions below; there will be an on-screen guide to help you through the upgrade procedure. Download the installation package to the computer where MIRAsoft HDR is installed.

  • Page 23: Measurements

    Measurements When all settings are done, choose the Measurement option in the main drop-down menu. The Measurement tab can be set to either Site View, Top View, Profile View or Expert View. To change this, press at the bottom right of the screen. Press to start.
  • Page 24 Expert view (Ev): With map, radargram, live trace and top view. Note! The colour bar at left shows the measurement speed, it should not be red, as this may cause loss of traces. A loss of trace will show up as a grey vertical line in the radargram.
  • Page 25 Site view (Sv): With map and position of measured swaths in the open project. +: zoom in - : zoom out C: Centre R: Rotate For all the different views there are possibilities to change the filter and display settings. These features are accessed by pressing the arrow , located towards the centre of the tool bar at the bottom.

  • Page 26: Tips And Tricks During Measurement

    Tips and tricks during measurement • Prior to GPR data acquisition, thorough planning of the survey should be done. It is advisable to conduct the data acquisition in straight lines, whenever possible. Although the MIRA HDR system does not require straight swaths, positioning errors will be reduced, and achieving full coverage of the survey area will be easier to manage if the geometry is kept simple.
  • Page 27 (compared to the Geometry Settings entered under the Advanced menu), especially in curves, resulting in positioning discrepancies in the end result. When the GPS antenna location is decided, or if it is ever changed, remember to change the GPS settings (Advanced Menu) to fit the present set-up.

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