For the mu1ti - - beam swath bathymeter , array miniaturization wi th wide covering width has cause peop1e ' s more attention 对于多波束条带测深仪来说，使基阵小型化而又达到大覆盖要求的问题越来越引起人们的关注。
2.
Multi - beam swath bathymeter is a kind of newly developed advanced seafloor surveying equipment . it fits especially for mapping of large area of seafloor because of its high efficiency , high accuracy and fine terrain resolution 它是一种高测量效率、高测量精度、高分辨率的海底地形测量设备，特别适合大面积的扫海测量作业。
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This paper also ana1yzes the sidescan mapping princip1e of the mu1ti - - beam bathymeter , and process the avai 1ab1e data with sidescan mapping method to achieve the sidescan imagery represented by the reverberation strength 本文还对多波束测深声纳侧扫成像原理进行分析，利用现有的数据进行多波束侧扫成像处理，形成表示海底反向散射信号强度的海图。
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A conc1usion can be drawn that these algorithms has better preci si on and fitting for the multi - - beam swath bathymeter system better on the condition of 1arge beam ang1e , and can improve the precision of edge beams in non - - specu1ar seabed region 证明bdi和分裂孔径相关法可以精确地对海底回波信号进行回波时延估计和方向估计，可提高非镜向海底区域的边缘波束的测量精度。
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Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017 , the first set of multi - beam swath bathymeter developed in china , a series of mosaic techniques have been carefully studied in this thesis , including digital terrain model building , statistical error analyzing , hydrographic data mosaicking as well as tides correction and projection of the earth coordinates . finally , standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles 本文利用我国第一台h hcs ? 017型条带测深仪的测量数据进行拼图技术的研究，主要研究的内容有：利用分带原理对深度数据进行潮汐修正，得到瞬时海面的深度数据；对测深数据进行误差分析处理，去除野值；将多波束数据进行坐标变换及投影转换后构建数字地理模型，进而根据海道测量规范绘制标准海图。
