摩托车振动评价技术

1 前言 摩托车的振动不仅影响其操纵稳定性、安全性和结构强度,而且影响着人员的乘坐舒适性和身体健康,因此,有必要对摩托车的振动进行评价分析,进而达到控制振动之目的。针对这种情况,在ISO 2631标准和摩托车振动评价需求的基础上。

3-D reconstruction of coastal bathymetry from AIRSAR/POLSAR data

This paper introduces a new method for reconstructing three-dimensional （3D） coastal bathymetry changes from Airborne AIRSAR/POLSAR synthetic aperture data. The new method is based on integration between fuzzy B-spline and Volterra algorithm. Volterra algorithm is used to simulate the ocean surface current from AIRSAR/POLSAR data. Then, the ocean surface current information used as input for continuity equation to estimate the water depths from AIRSAR/POLSAR data. This study shows that 3D ocean bathymetry can be reconstructed from AIRSAR/POLSAR data with root mean square error of ±0.03 m.