例句與造句

1. We highlight the key points of this dissertation at the end of this charter . in chapter 2 , a modified projection transformation method is presented , which utilizes preliminary estimation of interference doa . it is demonstrated that the side lobe performance of adapted antenna patterns can be significantly improved with this method and increased convergence rate of adaptive algorithm when the array manifold is not known exactly
   針對(duì)投影預(yù)變換在大信噪比時(shí)性能下降的缺點(diǎn)，提出了一種改進(jìn)的基于投影預(yù)變換自適應(yīng)波束形成算法，通過(guò)對(duì)陣列協(xié)方差矩陣進(jìn)行降維處理，既可抑制擾動(dòng)誤差又可降低運(yùn)算量，增強(qiáng)陣列的sinr輸出，具有良好的波束合成性能和較快收斂速度。
2. It's difficult to find preliminary estimation in a sentence. 用preliminary estimation造句挺難的