FAST ANALYSIS OF MICROSTRIP ANTENNAS OVER A FREQUENCY BAND USING AN ACCURATE MOM MATRIX INTERPOLATION TECHNIQUE | Zendy

Yikai Chen | Zendy; Shiwen Yang | Zendy; Shiquan He | Zendy; Zaiping Nie | Zendy

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FAST ANALYSIS OF MICROSTRIP ANTENNAS OVER A FREQUENCY BAND USING AN ACCURATE MOM MATRIX INTERPOLATION TECHNIQUE

Author(s) -

Yikai Chen,

Shiwen Yang,

Shiquan He,

Zaiping Nie

Publication year - 2010

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier10081107

Subject(s) - microstrip , interpolation (computer graphics) , microstrip antenna , method of moments (probability theory) , electronic engineering , frequency band , matrix (chemical analysis) , computer science , acoustics , physics , bandwidth (computing) , mathematics , materials science , telecommunications , engineering , antenna (radio) , statistics , frame (networking) , estimator , composite material

A novel method based on the hybrid volume-surface integral equation (VSIE) and the impedance matrix interpolation technique is presented for the fast analysis of microstrip antennas in frequency sweeps. A novel impedance matrix interpolation scheme is extended to the impedance matrix associated with VSIE, thus providing high accuracy, high e-ciency, and large interpolation bandwidth for metal-dielectric composite problems. To demonstrate the efiectiveness and accuracy of the proposed technique, numerical results for typical rectangular patch antennas and a broadband U-slot rectangular patch antenna are presented. Good agreement among the interpolation results, the exact method of moments (MoM) solutions, the flnite element method (FEM) solutions, and measured data is observed over the bandwidth. The interpolation bandwidth is further investigated through a scattering problem. Numerical results show that high accuracy is obtainable within 10 : 1 bandwidth.

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