jamming
 干擾台,人為干擾


 jamming
 抗干擾


 jamming
 干擾


 Jam, v. t.  [imp. & p. p. Jammed p. pr. & vb. n. Jamming.]
 1.  To press into a close or tight position; to crowd; to squeeze; to wedge in; to cram; as, rock fans jammed the theater for the concert.
    The ship . . . jammed in between two rocks.   --De Foe.
 2.  To crush or bruise; as, to jam a finger in the crack of a door. [Colloq.]
 3.  Naut. To bring (a vessel) so close to the wind that half her upper sails are laid aback.


 jamming
      See jam


 jam
      n 1: preserve of crushed fruit
      2: informal terms for a difficult situation; "he got into a
         terrible fix"; "he made a muddle of his marriage" [syn: fix,
          hole, mess, muddle, pickle, kettle of fish]
      3: a dense crowd of people [syn: crush, press]
      4: deliberate radiation or reflection of electromagnetic energy
         for the purpose of disrupting enemy use of electronic
         devices or systems [syn: jamming, electronic jamming]
      v 1: press tightly together or cram; "The crowd packed the
           auditorium" [syn: throng, mob, pack, pile]
      2: push down forcibly; "The driver jammed the brake pedal to
         the floor"
      3: crush or bruise; "jam a toe" [syn: crush]
      4: interfere with or prevent the reception of signals; "Jam the
         Voice of America"; "block the signals emitted by this
         station" [syn: block]
      5: get stuck and immobilized; "the mechanism jammed"
      6: crowd or pack to capacity; "the theater was jampacked" [syn:
          jampack, ram, chock up, cram, wad]
      7: block passage through; "obstruct the path" [syn: obstruct,
          obturate, impede, occlude, block, close up]
         [ant: free]
      [also: jamming, jammed]


 jamming
      n : deliberate radiation or reflection of electromagnetic energy
          for the purpose of disrupting enemy use of electronic
          devices or systems [syn: electronic jamming, jam]