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Millimetre wave multi-polarised microstrip antenna array and application example

Millimetre wave multi-polarised microstrip antenna array and application example

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A millimetre wave multi-polarised microstrip antenna array based on linearly polarised subarrays and its applications are presented. The theoretical analysis of the far-zone electric field of the antenna array is also presented, which indicates that the polarisation of the far-zone electric field can be configured by adjusting the feed amplitude and phase of each subarray. The measured results show that the beamwidth of the cross-polarisation level less than −15 dB varies with the location of the field point and the number of subarrays. The millimetre wave multi-polarised microstrip antenna has obvious advantages that the layout and the feed network are simple and easy to be manufactured, which is suitable for millimetre wave miniature radars and detectors.

Inspec keywords: millimetre wave antenna arrays; microstrip antenna arrays; electromagnetic wave polarisation

Other keywords: millimetre wave miniature radar; theoretical analysis; far-zone electric field; linearly polarised subarray; cross-polarisation beamwidth; millimetre wave multipolarised microstrip antenna array

Subjects: Antenna arrays; Electromagnetic wave propagation

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