例句與造句

1. based on orthogonal transform, a new method of tracking power grids frequency has been provided
   摘要基于正交變換，提出了一種新的電網(wǎng)頻率跟蹤方法。
2. the theoretic of radar digital receiver are sampling, signal orthogonal transform, multirate digital signal processing, dsp algorithm with high efficiency, etc . firstly, introduces the related theory about monopulse secondary surveillance radar . secondly, elaborates on the digital orthogonal demodulate models ’ design and implementation . at last, simulates with matlab to help improve the system performance and test if receiver is work correctly
   本文首先介紹了采用單脈沖體制的航管二次雷達(dá)(mssr)的基本理論,接著對(duì)中頻數(shù)字化接收機(jī)的關(guān)鍵模塊:數(shù)字化正交解調(diào)的設(shè)計(jì)方案及在fpga上的實(shí)現(xiàn)作了詳盡的描述,最后應(yīng)用matlab對(duì)系統(tǒng)進(jìn)行仿真分析,協(xié)助改進(jìn)性能并測(cè)試系統(tǒng)是否滿足指標(biāo)。
3. It's difficult to find orthogonal transform in a sentence. 用orthogonal transform造句挺難的