Microstrip Patch Antenna

中文/English

*Experiment data refer to paper :


Comparison & Reference:
D. M. Sheen , S. M. Ali , M. D. Abouzahara and J. A. Kong "Application of the three-dimensional Finite Difference Time Domain Method to the analysis of planner Microstrip Circuits", IEEE Trans. On Microwave Theory and Techniques, vol. 38, no. 7, pp.849 -857 1990
http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=55775&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel1%2F22%2F2016%2F00055775.pdf%3Farnumber%3D55775


範例結果與CAD下載: 
https://drive.google.com/open?id=120FODN93Geseqy-TwBAq0SX5mJz_4Wim
其中*.FCstd是FreeCAD的存檔




Add the boundary of the CAD files (FreeCAD)




Define Parameters


1. Selected the simulation dimension.

2. Define total x, y, z length that equal to CAD, and then set a appropriate resolution.

3. Import CAD files.

4. Define the material of each CAD.

5. Press【建立網格 Cad to Grids (Create)】button to create simulation grids.



a.(Rogers 5880, Substrate DK = 2.2)

b. Due to the PCB metal layer thickness much less than resolution delta (metal layer thickness << dz),

the metal layer will be import by using "Load Wire (*.stl)" function in 【Probe & Lumped】


A. Define the boundary conditions

B. Press the【創建 (Create)】button => Create the total grid size (Include the boundary condition & add space)

In this case, wave source use "Voltage Source",checked (None)


here using the PCB : Rogers 5880, DK=2.2,

A. define the Voltage Source

B. define the Probe V & I

C. Import the metal layer, due to the PCB metal layer thickness << delta (dz)

==> using the "Load Wire (*.stl)" function

Microstrip_Top_BC.stl

Microstrip_Bottom_BC.stl






Checked out the simulation geometries, and then press 【輸出 Output】button to output the geometries files

Data_Materials.csv // (simulation index of structures)

Other simulation files refer to below figures:




1. Set the Spectrum Analysis & Wavelength range

2. Check out the source


1. Set the simulation time setp

2. Save parameters

3. Calculation










★(Result Analysis):

頻譜 (Spectrum) : Analysis the spectrum



*Experiment data refer to paper :


對照引用 Comparison & Reference:
D. M. Sheen , S. M. Ali , M. D. Abouzahara and J. A. Kong "Application of the three-dimensional Finite Difference Time Domain Method to the analysis of planner Microstrip Circuits", IEEE Trans. On Microwave Theory and Techniques, vol. 38, no. 7, pp.849 -857 1990
http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=55775&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel1%2F22%2F2016%2F00055775.pdf%3Farnumber%3D55775