modified projection中文什么意思

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a modified projection method for solving general variational inequalities is presented . a practical and robust stepsize choice strategy, termed self-adaptive procedure, is developed
此算法運(yùn)用自適應(yīng)過程，產(chǎn)生了一種高效的步長選取策略，提高了投影算法的效率。
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。

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