本文利用特征法对无耗非均匀传输线进行了综合。

Lossless nonuniform transmission lines are synthesized by the method of characteristics in the time-domain.

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因此，对非均匀传输线的场路特性进行研究并进行结构优化非常重要。

Therefore, it is very important to study the circuit and field properties of the non-uniform transmission lines and to optimize their structures.

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基于传统的阶梯式均匀传输线逼近模型，对非均匀传输线进行分段指数逼近。

Based on the conventional ladder model, the exponential model is adopted to approach the nonuniform transmission lines.

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