Oct 21, 2005 #1 J jinhaozi Member level 2 Joined Jul 8, 2002 Messages 45 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 242 antenna coax length I am simulating a mono antenna feed by coaxial line, and find that different length of coax line will lead to different S11 parameters. What length on earth should be? I have no idea to find the principle, Can anyone help me? Thanks very much!
antenna coax length I am simulating a mono antenna feed by coaxial line, and find that different length of coax line will lead to different S11 parameters. What length on earth should be? I have no idea to find the principle, Can anyone help me? Thanks very much!
Dec 22, 2005 #2 snkhan Full Member level 6 Joined Oct 19, 2005 Messages 324 Helped 38 Reputation 74 Reaction score 20 Trophy points 1,298 Location Gods place Activity points 3,213 Re: How to define the length of coax feed for antenna in CST In pricniple, mesh should be adjusted in such a way that it take at least three time steps for the wave to travel thoudh coaxial feed.
Re: How to define the length of coax feed for antenna in CST In pricniple, mesh should be adjusted in such a way that it take at least three time steps for the wave to travel thoudh coaxial feed.
Dec 22, 2005 #3 A abhi_kolkata Member level 5 Joined Oct 5, 2005 Messages 84 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Activity points 2,116 Re: How to define the length of coax feed for antenna in CST hi, i also had the same problem while feeding a PIFA (a shorted probe fed microstrip patch antenna) in HFSS. i am eager to know the answer with regards abhi
Re: How to define the length of coax feed for antenna in CST hi, i also had the same problem while feeding a PIFA (a shorted probe fed microstrip patch antenna) in HFSS. i am eager to know the answer with regards abhi
Jan 22, 2006 #4 snkhan Full Member level 6 Joined Oct 19, 2005 Messages 324 Helped 38 Reputation 74 Reaction score 20 Trophy points 1,298 Location Gods place Activity points 3,213 Re: How to define the length of coax feed for antenna in CST Can u upload ur design then i can check Thanks
Re: How to define the length of coax feed for antenna in CST Can u upload ur design then i can check Thanks
Apr 11, 2006 #5 R ryfnjust Member level 1 Joined Apr 11, 2006 Messages 40 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,550 maybe adaptive meshing can be helpful!