Circularly Polarized Microstrip Array Antenna for Ground Segment in Quasi-Zenith Satellite System  

Oleh:

Zulkifli, Fitri Yuli ; Rahardjo, Eko Tjipto

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Makara Journal of Technology vol. 16 no. 1 (Apr. 2012), page 51-56 .
Topik: Circular Polarization; Cross Slot; Microstrip Antena Array; Quasi-Zenith Satellite
Fulltext: 231-261-1-PB.pdf (558.36KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: MM64 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In satellite communication system, antenna plays an important role. Therefore, the antenna must meet some requirements, such as high gain, circular polarization, and good directivity. In this paper, a four element linear array triangular patch microstrip antenna with cross slot is designed to be used for Quasi-Zenith satellite system. A simulation study as well as experimental study was carried out. The simulation showed that the 3 dB axial ratio bandwidth of 87 MHz (2.569-2.656 GHz) is achieved while the measured results showed 96 MHz (2.556-2.652 GHz). The linear array of 4 element antenna has a gain of 13.73 dB and maximum radiation pattern at 40° and -40°. Simulation and experiment results show that this antenna has met the characteristic requirements of Quasi-Zenith satellite.

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