Text this: Location identification of line supports using experimental modal analysis

  ______     ___     _____       ___      ______  
 /_   _//   / _ \\  |  __ \\    / _ \\   /_   _// 
   | ||    / //\ \\ | |  \ ||  / //\ \\  `-| |,-  
  _| ||   |  ___  ||| |__/ || |  ___  ||   | ||   
 /__//    |_||  |_|||_____//  |_||  |_||   |_||   
 `--`     `-`   `-`  -----`   `-`   `-`    `-`'