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本文首先给出旋波煤质基本公式，然后从传输线理论出发，用阻抗法解决了线极化平面被垂直和入射到多层平面旋波媒质的反射向题，处理方法简单方便，且易理解。文中最后给出了一些数值模拟计算结果，并将其与另外的方法进行了比较．结果吻合得很好。
In this paper, the basic formula of the swirling wave coal is given first. Then, based on the transmission line theory, the impedance problem is solved by the impedance method. The treatment method is simple and easy to understand and easy to understand . Finally, some numerical simulation results are given and compared with other methods. The results are in good agreement.