Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Question about the feed gap of FDTD

Status
Not open for further replies.
P

Players

Junior Member level 1
Joined
Sep 12, 2007
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,364
recently i am confused with a problem in FDTD about excitation.Take dipole antenna as an example.Generally the feed gap only one cell.When I decrease the grid length to half of origin, then feed gap have more than one cell(note:feed gap has a fixed area).Unfortunally the impedance results vary a lot.
the question is :if feed gap have several cells in 3 axis directions,is there anything should be care in using FDTD?
Besides,I have checked the program for several times and have't found where hide the problem.
thank you for your answers.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top