การออกแบบ helix antenna - nantakan/microwave/3. cst - helical antenna... · 1...

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  • 1

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    Helix Antenna (Helix Antennas)

    .

    3 .

    .

  • 2

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    (Pitch Angle) 12-14

    (Gain)

    Ts

    h1

    D

    w

    L

  • 3

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    [1] 93.75-166.7 . D

    30-54 .

    1. CST Microwave Studio New Project Couple (Planar, Microstrip, cpw)

    2.

    3. Helix New Curve

    curve Navigation tree

  • 4

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    4. (Circle)

    a. circle

    b. circle circle

    c. Circle Cover planar curve Curve Double click Circle . material copper (Annealed)

    curve

    Circle

  • 5

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    * copper . Library

    d. circle xy circle xz z

  • 6

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    5. Circle Cover Helix Helix z . z

    a. Edge from coordinate

    b. Esc . Z2 10 (0, 0, 0) (0, 0 ,10) OK

    c. face Circle

    d. Circle Rotate

    Helix

  • 7

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    6. Ground Create Brick

    >> Esc Gnd

    7. Substrate Gnd Create Brick

    >> Esc substrate Gnd

  • 8

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    8. Helix z h1+Ra y Ra

    translate

    translate

    9. wire Helix Gnd

  • 9

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    Cylinder

    10. Gnd a. Gnd

    (D/2, 0) Esc

    b. Boolean Subtract Gnd >> Boolean Subtract>> Cutter >>OK

  • 10

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    11. Leg Helix Loft

    a. Helix +X Ra

    b. faces

    * face Leg Circle cerve

  • 11

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    12. Loft smoothness

    13. Leg, Lofter, Helix

    Boolean Add

  • 12

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    14. Discrete Port a. Pick point port

    b. Discrete port OK

    15. Frequency range 0-5 GHz 2.4 GHz

    *

    16. Boundary

    condition Open (Add space)

  • 13

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    17. Solve Transient Solver OK

    * Solve Error "maximum number of pulse widths simulated ,solve stopped please note that steady state energy criterion has not been satisfied" Solve

    . Maximum number of Pulse . >> Special >> Steady State.

  • 14

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    2.4 GHz 125 .

    C . Helix Antenna Helical Antenna

  • 15

    By P. Buapan MetaSolver Laboratory, Department of Electrical Engineering, KKU

    S11 . Impedance Matching

    .

    ( )

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