例句與造句

1. Theoretically , the main work is the simulation of source excitation . by comparing the advantages and disadvantages of previous methods of source simulation , a novel simulation method of excitation source is presented . the details of the application to microstrip feed , waveguide feed and coaxial - cable feed using this simulating method are given
   在fdtd用于天線計算理論研究中本文重點(diǎn)研究了激勵源設(shè)置問題，比較了現(xiàn)有的各種激勵源設(shè)置方式的優(yōu)缺點(diǎn)以及它們的適用范圍，在此基礎(chǔ)上，提出一種新的激勵源設(shè)置方法，并將其推廣到微帶線饋電、波導(dǎo)饋電、同軸線饋電等天線的通用饋電方式。
2. It's difficult to find waveguide feed in a sentence. 用waveguide feed造句挺難的