雙頻微型化天線及其設計方法(ARTC)

先進車輛智慧系統開發與應用技術關鍵計畫

發明為一種雙頻微型化天線及其設計方法，其中，該雙頻微型化天線其包含一電路板以及形成於該電路板表面且相互隔離之一導電圖形以及一接地面，該導電圖形為一具有複數個彎折的導線線段且工作於一第一頻率，該導電圖形包含一饋入點，該饋入點設於該導電圖形之一自由端，該導電圖形以及該接地面之間以一電容電感電路連接，連接該電容電感電路之後的該導電圖形及該接地面共同以慢波效應計算另一不同於該第一頻率之一共振頻率，其中，該共振頻率與該電容電感電路之等效電抗值成反比關係。

The present invention relates to a miniature dual-band antenna and its design method, wherein the dual miniaturized antenna includes a circuit board and is formed on the surface of the board and isolated a conductive pattern and a ground plane, wherein having a plurality of conductive patterns is a bent wire segment and is operating in a first frequency, said conductive pattern comprises a feed point, said feed point is provided on a free end of said conductive pattern, said conductive pattern and the conductive pattern between the ground plane is connected to a capacitor inductance circuit, connected to said capacitor and said inductance circuit after the common ground plane to another slow-wave effect calculate a frequency different from the first resonance frequency , wherein, with the resonance frequency of the equivalent capacitance and inductance circuit reactance is inversely proportional relationship.