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Reduced Sidelobe Switched Beam Antenna Array for Driver's Fatigue Level Doppler Sensor

机译:用于驾驶员疲劳水平多普勒传感器的减少侧链开关光束天线阵列

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An innovative approach to the design of a three-beam antenna array having reduced sidelobes has been presented. A modified Butler matrix has been utilized to ensure a broadside beam together with two beams symmetrically located with respect to the broadside beam. Moreover, to ensure sidelobe reduction for all three-beams a recently developed method has been used, in which the number of radiating elements is increased and additional power dividers are added. Furthermore, an innovative arrangement of the feeding network has been proposed which allows for achieving an integrated antenna structure without any crossovers. The developed antenna array has been successfully applied in Doppler sensor designated, for driver's fatigue assessment
机译:已经介绍了一种创新的设计具有减小的侧链的三梁天线阵列的设计。已经利用改进的巴特勒矩阵来确保宽边梁以及相对于宽边梁对称地定位的两个光束。此外,为了确保所有三梁的侧瓣减少,已经使用了最近开发的方法,其中增加了辐射元件的数量,并且增加了额外的功率分隔器。此外,已经提出了一种进料网络的创新布置,其允许在没有任何交叉的情况下实现集成的天线结构。开发的天线阵列已成功应用于Doppler传感器,用于驾驶员的疲劳评估

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