Radar Fundamentals
In the mid-nineteenth century, James Clark Maxwell, a British mathematician, developed a unified theory of electricity and magnetism. The equations predicting the behavior of electromagnetic signals, known as Maxwell's equations, led to discoveries that include radar waves. Maxwell's equations can be used to derive representations of radar signals propagating in various media, and for this purpose we can use the equations to derive a free space propagation of radar signals. These signal representations will be useful in understanding the impact of error sources on angle-of-arrival estimation using interferometric radar.
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