使用解析法和仿真法分析了SWIM工作在模式2时海浪谱观测的能量误差，两种方法的结果一致。
Two methods, namely, analytical process and simulation process, are adopted to analyze the energy error of retrieved wave spectra by SWIM operated at Mode 2.
论文主要对基于海浪谱的海浪建模技术和绘制技术进行了一些改进。
Modeling ocean waves based on spectrum technology, which uses the observation and research results of oceanography, represents real ocean waves datum.
而现有海浪谱缺少风对海浪影响的观测资料，因此我们进一步构造了风力模型，模拟风力作用下的海浪。
Because spectrum of ocean waves is short of observation information about the affect of wind force on ocean waves, a wind force model is constructed to simulate ocean waves under wind force.
方向谱是海浪的基本性质之一。
The directional spectrum is one of the basic characteristics of sea waves.
在分析随机海浪的波能谱和船舶的受力情况的基础上，建立随机海浪模型和船舶运动模型。
By analyzing the spectrum of the random ocean wave and of the force of the ship, the ocean wave model and the ship movement model are erected.
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship's random motion are calculated and created.
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship's random motion are calculated and created.
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