Text this: Simulation of targets and backgrounds in sonar/radar systems

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