|
|
STUDY ON THE WIDE-BAND AND HIGH-GAIN MICROSTRIP ANTENNA ELEMENT |
Yao Demiao; Cai Jianming |
Department of Electronic Technology, National University of Defence Technology of China,Changsha 410073 |
|
|
Abstract A novel three layers microstrip antenna elect that has the advantages of wide band and high gain is proposed. The characteristic equation and the frequency characteristic formulas of the input stand wave ratio are obtained by using the spectral domain method and equivalent circuit method, respectively. With the aid of the numerical results, a C-band microstrip antenna element with band width of 16 (SWR≤1.5) or 25 (VSWR≤2) and gain of 10.2-11.3 dB is developed, which are much larger than the bandwidth of 5-6 and the gin of 6-7 dB of the common microstrip antenna element.
|
Received: 28 November 1994
|
|
|
|
|
|
|
|