A Review on the Development of Rotman Lens Antenna

Table 3

Design parameters with air filled in the cavity.

𝑥=𝑤(1−𝑔)(𝑔−𝑎𝑜)−𝑛^2𝜀𝑖𝑏𝑜^22(𝑔−𝑎𝑜)
𝑦=𝑛(1−𝑤)
𝑎=1−𝑔^2𝑔−𝑎𝑜^2+𝑛^2−1
𝑏=(1−𝑔)(𝑔−𝑎𝑜)∗𝑛^2𝑏𝑜^2(𝑔−𝑎𝑜)−2𝑛^2+2𝑔+2𝑔(1−𝑔)(𝑔−𝑎𝑜)
𝑛𝑐=^4𝑏𝑜^44𝑔−𝑎𝑜^2+𝑛^2−𝑔𝑛^2𝑏𝑜^2(𝑔−𝑎𝑜)
𝑤=−𝑏±𝑏^2−4𝑎𝑐2𝑎