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Introduction

The section covers the Clutter Map and the Clutter Floor: their definitions, purposes and how to create a Clutter Floor. 

Contents

Overview

The Clutter Map is a record of static, unchanging objects that are within view of the radar sensor. Clutter Maps are created and used as reference points for radar sensors and their trackers so that they can better concentrate on objects that are moving. The creation and maintenance of the Clutter Map is an automatic process and is continually updated whilst the software is in operation.

However, a Clutter Floor is required to overcome the limitations of a Clutter Map. On busy highways, large vehicles can obscure the background scene which prevents the Clutter Map updating correctly. Manually capturing a Clutter Floor sets a base line for the Clutter Map which is maintained even when the radar has limited visibility. 

For a new installation you need to create a new Clutter Floor for each radar sensor. During operation, it may be necessary to periodically update each Clutter Floor to take account of major changes in the environment, e.g. long term road works, significant changes to trees and hedgerows. 

Viewing the Clutter Map

To view the Clutter Map:

  1. Select the Radar using the circular green icon on the PPI Map Display, and the Radar Mini Control window will appear.

  2. Select Radar Data.

  3. Under the Source dropdown, select Clutter Map.

  4. Your Clutter Map will appear as bright orange data.

Creating a Clutter Floor

To create a Clutter Floor:

  1. Select your Radar using the circular green icon on the PPI Map Display. 

  2. Select Radar Settings; they will appear as a new window:

  3. Select Actions, and select Capture Floor:

  4. A notification will pop up to confirm that the Clutter Floor capture process has begun:

  5. A second notification will confirm the completion of a Clutter Floor capture:

  6. Return to the Radar Mini Control, and select Radar Data.

  7. Under Source, select Clutter Floor:

  8. The Clutter Floor will appear as bright blue data. 

  9. Alternatively, you can schedule a Clutter Floor capture using the Capture Floor Later button (please refer to https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/211190045/Radar+Actions#Actions), or through the System Event Scheduler: https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/206537165/Schedules#System-Event-Scheduler. 

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