求翻译：首先根据船舶的耐波性理论对海面目标的运动特性进行了研究和仿真，然后结合雷达理论建立海面目标动态回波仿真模型，分析了目标横摇和纵摇引起的微多普勒效应。是什么意思？

First, according to the ship's seakeeping theory of the motion characteristics of the surface target research and simulation, and then combined with radar theory the the sea targets the dynamic echo simulation model to analyze the target roll and vertical shake caused by the micro-Doppler effect.

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First has conducted the research and the simulation according to the ships sea keeping theory to the sea level goal state of motion, then the union radar theory establishment sea level goal dynamic echo simulation model, has analyzed the micro Doppler effect which the goal rolling and the pitching c

正在翻译，请等待...