A Design of Civil Aircraft High Frequency Antenna for Laboratory Test

This paper describes a method of designing a civil aircraft high frequency antenna, to meet the external communication requirements in the laboratory. In this paper, to assure the length of antenna is sufficient and to increase the radiation efficiency, a three-wire antenna for laboratory test is designed and selected, and its reliability is verified by modeling simulation analysis. In order to verify whether the performance of the designed antenna meets the requirements of the design index, this paper mainly demonstrates and verifies the performance index through theory and practice. On the one hand, theoretical calculation is made for each performance index, including transmission loss and antenna gain; On the other hand, the actual performance indexes are tested and verified, the modeling simulation test results depict the radiation patterns in the range of high frequency with antenna in various elevation angles. The radiation patterns indicate that in a given communication distance range, the three-wire antenna gain is enough to meet the communication requirements.