例句與造句

1. This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle , including azimuth resolution , mapping width , focusing deepness , pulse repetition frequency limitation and radar equation etc . then the paper studies the special form of bistatic sar with stationary transmitter
   在簡(jiǎn)要介紹了合成孔徑雷達(dá)的成像原理后，本文著重從原理方面對(duì)雙站sar進(jìn)行了分析，討論雙站sar的方位向分辨率，測(cè)繪帶寬，聚焦深度，脈沖重復(fù)頻率限制，雷達(dá)方程等問(wèn)題，然后對(duì)發(fā)射機(jī)固定的雙站sar這種特殊的雙站sar模式進(jìn)行分析。
2. It's difficult to find pulse repetition frequency limitation in a sentence. 用pulse repetition frequency limitation造句挺難的