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 _    _      ___      ______    _____     ____    
| \  / ||   / _ \\   /_____//  |  ___||  |  _ \\  
|  \/  ||  / //\ \\  `____ `   | ||__    | |_| || 
| .  . || |  ___  || /___//    | ||__    | .  //  
|_|\/|_|| |_||  |_|| `__ `     |_____||  |_|\_\\  
`-`  `-`  `-`   `-`  /_//      `-----`   `-` --`  
                     `-`

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Text this: Background condition effect and modified SOM with frequency hopping applied in inverse scattering