例句與造句

1. The major work is as following : based on the analysis of signal receiving problems when navigation receiver is in high dynamic circumstance , some typical algorithms such as maximum likelihood estimator ( mle ) , extended kalman filter ( ekf ) , frequency lock loop ( fll ) , digital phase lock loop ( pll ) and frequency extended kalman filter ( fekf ) are deduced
   高動態(tài)下面臨著多普勒頻率、多普勒頻率變化率較大的問題,給載波跟蹤帶來了很大困難。本章分析了目前高動態(tài)接收機(jī)中普遍采用的幾種載波跟蹤算法,對算法的性能進(jìn)行了比較。
2. It's difficult to find frequency locking loop in a sentence. 用frequency locking loop造句挺難的