例句與造句

1. Presents the development of modern signal processing techniques , a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where , the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing , the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp
   針對近年來提出的通過直接中頻采樣來實(shí)現(xiàn)正交相干檢波的方法，分析了其基本實(shí)現(xiàn)原理，并用統(tǒng)一的觀點(diǎn)解釋了迄今為止國內(nèi)外基于此提出的各種實(shí)現(xiàn)方法；對每一實(shí)現(xiàn)方法的基本原理和實(shí)現(xiàn)過程都作了分析，并給出了計算機(jī)仿真結(jié)果；在此基礎(chǔ)上比較了各方法的性能指標(biāo)及適應(yīng)條件.理論分析和仿真結(jié)果證明，這一方法完全可以滿足高性能信號處理的要求
2. It's difficult to find analog element in a sentence. 用analog element造句挺難的