例句與用法

1. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed , which are the method of resampling signals received by the array , the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method , respectively . examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented . compared with conventional broadband adaptive algorithms , the presented method can reduce computation work greatly
   提出了一種簡單、易于實(shí)現(xiàn)的恒定束寬波束形成器設(shè)計(jì)方法，該方法對陣形和陣元指向性沒有任何限制；分別提出了基于陣列接收數(shù)據(jù)重采樣、基于dft插值和自適應(yīng)綜合的三種具有頻率不變波束圖的寬帶波束形成器設(shè)計(jì)方法，對于每一種設(shè)計(jì)方法都給出了一個(gè)設(shè)計(jì)實(shí)例并做了性能分析；提出一種基于dft插值的簡化線性約束最小方差寬帶自適應(yīng)陣列算法，該方法可以大大降低自適應(yīng)陣列的運(yùn)算量。