A medium frequency - small size vector hydrophone of co - vibrating type is wrapped with low density compound material and in shuck only one piezoelectric ceramic accelerator is used for each channel to measure the vector components of the underwater acoustic field 摘要中頻小型同振式矢量水聽器采用低密度復(fù)合材料作為矢量通道外殼、壓電加速度計(jì)作為內(nèi)部振動(dòng)傳感器,以拾取水下聲場(chǎng)中的矢量信息。
A smoothing technique is combined with optimum approximation and finite element piece - wise interpolation in the method , it can simultaneously process measured vector components , imp ro ve smoothing capability of solution , space composed of original discrete points and increase the accuracy of the solution , especialy its derivatives 該方法結(jié)合最佳逼近、有限元分片插值與光順技巧,對(duì)測(cè)量向量各獨(dú)立分量進(jìn)行處理,改善了原離散點(diǎn)構(gòu)成的解空間的光滑性,提高了解尤其是導(dǎo)數(shù)場(chǎng)的精度,在測(cè)量區(qū)域內(nèi)再現(xiàn)了光順向量函數(shù)及連續(xù)的導(dǎo)數(shù)。