例句與用法

1. By complementing the proposed scheme with methods to estimate the fractional code delay , the acquisition unit an provide high quality delay estimates such that it can instead of the delay locked loop in the traditional ds receiver . after dispreading successfully , this dissertation introduces a method to estimate the doppler - shift directly from some samples based maximum likelihood estimation , and then revise it forwardly
   在成功解擴之后,本文利用最大似然估計從l個樣點中直接估計出殘余多普勒頻偏,并進行前向頻偏校正,來代替傳統擴頻接收機中的科斯塔斯環,經仿真證明該方法的估計精度完全滿足解調的要求。