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Based on a silicon substrate K-band microstrip antenna array technology research

Author: GuoYiDong
Tutor: LiuXiaoMing
School: University of Electronic Science and Technology
Course: Mechanical and Electronic Engineering
Keywords: MEMS small-size k-band high-resistance silicon heat elimination
CLC: TN822
Type: Master's thesis
Year: 2011
Downloads: 48
Quote: 0
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Abstract


The air point-to-point communication technology is becoming more and more important in the modern information warfare because it is an indispensable one of the important indicators which determine the performance of the air communication technology in the war and the advancement of this technology affects the battle effectiveness directly. How to make the size of the air ecommunication equipment small and the weight of the communication equipment light is the current subject of international research. The appearance and development of MEMS technology provides a forceful guarantee for the lightening and assembly of air communication equipments. The preponderance of the MEMS technology which has been used in radio frequency communication can integrate the integrated circuit chip together easily.As the same time, the integrated circuit chip system which uses the MEMS technology also has the small size,the light weight and the thin section plane. In the MEMS technical condition, in order to achieve the purpose of the small size and light-based ,we can use RF-MEMS switch to integrate the microstrip antenna and other device together. With the continuing development of MEMS technology,it attracts more and more extensive attention in the microwave communication. Moreover,with the application of MEMS technology to the transmission lines, capacitors, phase shifter, filter and microwave antenna it can make those microwave communication apparatus smaller in size,ligther in weight and lower in cost.So the MEMS technology will be the inevitable trend of future technology development.The issue based on the military pre-research project of the‘11th five years’plan‘air communication node technology’. In this paper the MEMS-based high-resistance silicon k-band planar array microstrip antenna is based on the design and research of X and C-band planar array microstrip antenna. The frequency range of k-band microstrip antenna is 18 GHz -26.5GHz, with the application of the classical theories and the empirical formula to the design and research of the k-band microstrip antenna the enter frequency of the antenna designed in this paper is 22.38GHz and and the bandwidth of the k-band microstrip antenna is more than 1.19GHz. Compared to C-band and X-band, the frequency of k-band microstrip antenna is comparatively high so the size of radiating element is too small.The small size can make the temperature of antenna very high when the power is loaded to the antenna.In this paper the canaliculus are used in the microstrip antenna to eliminate the heat. Based on the design of microstrip antenna radiation element, according to the requirements of the project, the paper has calculated the required number of microstrip antenna arrays, analyzed the feed network of the microstrip antenna array, and finally designed1* 2 microstrip antenna array. After HFSS simulation, the designed antenna array can meet the project’s requirements.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Antenna > Antenna: the band and the wave mode of transmission points
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