| Waveguide slot antenna is firm, but the cost is too high. The microstrip antenna is light, its cost is low and it is simple to fabricate, so it is a prior consideration at much time. But it tends to be destroyed in the bad environment. In this article a method is adopted that an armor plate with some slots made in the fit positions is added to the microstrip antenna, so an original flat antenna with great intensity is obtained. From a unit to an array, the antenna's dimensions can be gained with the soft CST MICROWAVE STUDIO to simulate. Last the structure of the antenna and the results of simulating are given. It shows that the original flat antenna with great intensity is feasible. The antenna is as cheap as the microstrip antenna, and it also solves a problem that the microstrip antenna tends to be destroyed in the bad environment. So it has great applied value. |
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