全文总字数：2274字

1. 毕业设计（论文）的内容、要求、设计方案、规划等

本课题基于三维电磁场仿真软件hfss和类似于准光学天线的集总源法，对一个0.8-1.5 thz 超宽频段波导型射频耦合电路进行详细的分析研究。

射频耦合电路系统包括波导、波导到微带转换电路、微带低通滤波器三部分设计。

本论文采用电磁场仿真软件hfss模拟射频耦合电路，系统分析波导尺寸、微带低通滤波器尺寸、耦合点尺寸等对电路宽带频率特性的影响，系统分析耦合电路哪些关键尺寸对嵌入阻抗的影响最大，进行数据总结和分析。

2. 参考文献（不低于12篇）

1）l. jiang, s. shiba, k. shimbo, n. sakai, t. yamakura, m. sugimura, p. g. ananthasubramanian, h. maezawa, y. irimajiri, and s. yamamoto, development of thz waveguide nbtin heb mixers, ieee transactions on applied superconductivity, vol. 19, no. 3, june 2009.

2）l. jiang, w. zhang, n. li, z. h. lin, q. j. yao, w. miao, s. c. shi, s. i. svechnikov, y. b. vakhtomin, s. v. antipov, b. m. voronov, and g. n. gol'tsman, characterization of the performance of a quasi-optical nbn superconducting heb mixer, ieee transactions on applied superconductivity, vol. 17, no. 2, june 2007.

3）ling jiang, wei miao, wen zhang, ning li, zhen hui lin, qi jun yao, sheng-cai shi, sergey i. svechnikov, yury b. vakhtomin, sergey v. antipov, boris m. voronov, natalia s. kaurova, and gregory n. gol'tsman, characterization of a quasi-optical nbn superconducting heb mixer, ieee transactions on microwave theory and techniques, vol. 54, no. 7, july 2006.