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Research on 433M Miniaturized Micro-strip Antenna

Author: YangZuoLin
Tutor: ZhangXuXiang
School: Nanjing University of Posts and Telecommunications
Course: Electromagnetic Field and Microwave Technology
Keywords: Microstrip antenna Miniaturization 433MHz
CLC: TN822
Type: Master's thesis
Year: 2012
Downloads: 75
Quote: 0
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Abstract


To reduce the size of the wireless devices , to improve the overall performance of the wireless device has become a market demand . Do support these high-performance miniaturized antenna . Microstrip antenna has a low profile, light weight small , small volume , processing , simple , and easy integration , etc. , is widely used in the field of wireless communications . The paper described the method of analysis of the research status and microstrip antenna , a detailed analysis of several microstrip antenna miniaturization technology . Both operating frequency of 433MHz miniaturized antenna . The greatest difficulty in the design of antenna is that the working frequency of 433MHz of the antenna size reduced to the card level , it is also required to have better gain . Jagged microstrip antenna using meander line structure of the patch in the right position to join the short-circuit chip , greatly reduces the size of the antenna . Since no matching circuit and load lumped elements , the cost of the proposed antenna is very cheap . The gain of the antenna to be higher than the gain of the loop antenna . Double floor structure of the microstrip antenna , the use of a double floor structure , also introduces a short-circuiting piece , reduced the size of the antenna , and impedance matching with its lumped parameter element . Both antennas are suitable for indoor short-range wireless communications .

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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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