Clutter map

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Clutter map is a map in a radar device that shows the location and size of fixed targets . Before digital radar signal processing, this was an image that hung next to the radio locator's workplace and that he had to memorize in order to recognize targets that were hidden by the fixed targets of the so-called "local rose" near the location of the radar device.

In digital radar signal processing , the echo amplitudes are stored as a data word in the clutter map for every azimuth and there for every range cell , and are only displayed if the data word has changed from scan to scan (i.e. from one revolution to the next in the case of reconnaissance radar ). The content of this clutter map can also be used to dynamically adjust the STC curve .