Aiming at improving the precision of acoustic passive localization by small size array, we first derived eqs. 1 through 3 to describe the relation between time delay and target location.
根据声测被动定位对声学基阵提出的要求，给出了当基阵尺寸较小的情况下，影响声测被动定位精度的关键因素。
An old black-and-white photograph of the sensitive technology - perhaps the only image of its kind in existence publicly - shows an array of pipes and low cabinets about the size of a small truck.
这项高度机密技术的一张老黑白照片——或许是同类照片中现存的唯一公开的图像——显示了一批管子和近乎小卡车大小的低矮机箱。
With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
利用矢量传感器在低频段的良好特性，实现了小尺寸声阵条件下的高精度目标DOA估计。
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