發送短信 : Negacyclic codes of length 4p<sup>s</sup>over F<inf>p<sup>m</sup></inf>+uF<inf>p<sup>m</sup></inf>and their duals

             ___       _____     ___              
  ____      / _ \\    / ___//   / _ \\    ____    
 |    \\   | / \ ||   \___ \\  | / \ ||  |    \\  
 | [] ||   | \_/ ||   /    //  | \_/ ||  | [] ||  
 |  __//    \___//   /____//    \___//   |  __//  
 |_|`-`     `---`   `-----`     `---`    |_|`-`   
 `-`                                     `-`