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A novel approach to teaching phased array antenna systems

机译:一种教学相控阵天线系统的新颖方法

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We describe a simple, yet elegant method to provide a full sensory experience that describes the operation of a phased array antenna system. Our method is based on using an audio source that feeds an array of speakers appropriately spaced apart such that when a listener walks around the array, they experience the null points as well as the primary lobe and minor lobes. It is extremely profound for the student to experience a relatively loud tone, and then when moving just a few inches perceives the complete absence of the tone. The apparatus is economical and relatively easy to implement and test as compared to an RF antenna phased array. The ideas presented are applicable to other courses in electrical and mechanical engineering that cover signal processing and acoustics. Student assessment has shown that the proposed method greatly enhances understanding of phased array systems.
机译:我们描述了一种简单而优雅的方法来提供完整的感官体验,以描述相控阵天线系统的操作。我们的方法基于使用音频源,该音频源为扬声器阵列提供适当的间距,这样当听众在阵列周围走动时,他们会体验到零点以及主要波瓣和次波瓣。对于学生而言,体验相对较大的音调是极其深刻的,然后仅移动几英寸便会感觉到音调完全消失。与RF天线相控阵列相比,该设备经济并且相对容易实施和测试。提出的想法适用于涵盖信号处理和声学的其他电气和机械工程课程。学生评估表明,所提出的方法大大增强了对相控阵系统的理解。

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