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为了研究新型毫米波与亚毫米波传输线及其实际应用,根据横向谐振阶梯近似等效网络法对几种曲线形槽波导的传输特性进行了分析.结果表明,各种曲线形槽波导的色散很小,且其色散特性与折线形槽波导相似,槽区的形状对其色散特性影响不大.在一定条件下,主模的带宽与槽区面积成正比,而平板区的横向长度与槽区面积成反比.此外,还给出了计算平板区横向长度的理论公式.这些新型开放式曲线形槽波导可用于传输毫米波与亚毫米波,也可用于微波传感器进行自动测量.
In order to study the new millimeter-wave and sub-millimeter wave transmission lines and their practical applications, the transmission characteristics of several curved slot waveguides are analyzed based on the transversely-resonant stepped approximation equivalent network method. The results show that the dispersion of various curved grooved waveguides is very small, and their dispersion characteristics are similar to those of the grooved grooved waveguide. The shape of the grooved area has little effect on the dispersion characteristics. Under certain conditions, the bandwidth of the master mode is proportional to the area of the trench, while the horizontal length of the slab area is inversely proportional to the area of the trench. In addition, a theoretical formula for calculating the transverse length of slab zone is also given. These new open curved slot waveguides can be used to transmit millimeter and sub-millimeter waves, but also for microwave sensors for automatic measurements.