This method USES digital image processing techniques to reconstruct the vector of the airplane. Then the pitching, yawing and roll angel are computed.
在终端机中利用图像处理技术重构出机身和机翼的空间向量，计算出无人机的俯仰角、偏航角和翻滚角。
A numerical method is given to calculate the unsteady lift, pitching moment and drag acting on an airfoil of rotors under attached-flow conditions in a compressible flow.
基于附着流状态下的旋翼非定常翼型气动模型，给出了计算该状态下的翼型非定常升力、阻力和俯仰力矩的数值计算方法。
What′s more, according to the method of little disturbance, the simplified model of pitching and rolling plane is derived, so preliminarily combined control system can be designed.
同时采用小扰动法推导了俯仰通道和滚动通道的简化模型，为空气动力和姿控发动机推力复合控制系统进行初步设计提供了依据。
The pitching and heaving motions of a catamaran are calculated with the STF method, as well as the statistic characteristics of motion in the irregular waves.
采用STF方法计算船舶的纵摇和垂荡运动及船舶在不规则波中的统计特性，计算与试验相比较，结果令人满意。
In this paper, an approximate analytical method is developed by which pitching derivatives are predicted for three dimensional wings with pointed leading edge in supersonic and hypersonic stream.
本文给出计算超声速和高超声速尖前缘三维机翼俯仰导数的一个近似解析方法。
In order to measure the pitching Angle and yaw Angle of the axes symmetry object in three-dimension orientation, an automatic method of extracting the axes of the object has been presented.
针对轴对称目标三维姿态参数中的偏航角、俯仰角的提取问题，提出了一种自动提取目标中轴线方法。
The time series analysis can also be used in ship pitching and heaving time series prediction. These indicate that the prediction method is valuable for engineering practice.
时间序列分析法亦可用于船舶纵摇、艏摇的时间序列预报，该方法在工程中具有很大的实用价值。
The aerodynamic coefficients such as the normal force, axial force, and the pitching moment of the ve-hide computed by the local method are in good agreement with the experimental data.
由此计算出飞行器的法向力、轴向力和俯仰力矩系数，计算结果与实验数据相符。
The moving overset grid method is employed to account the relative motion among the blades which are rotating, cyclic pitching and cyclic flapping.
为了模拟前飞桨叶间的相对运动，网格布局采用了运动嵌套网格方法。
The simulation shows that this method can acquire obvious anti-rolling effectiveness, the anti-rolling effectiveness can reach 70% above and the anti-pitching effectiveness can reach 50% above.
在典型航行工况下进行了系统仿真，仿真结果表明，该方法可取得明显的减摇效果，其中减横摇效果可达70％以上，减艏摇效果可达50％以上。
In ancient times while pitching and entering the surface fabric with the millet one even, dye out the small small flower, perhaps it is a method of printing and dyeing of " roe Xie ".
古时还用小米粒扎进面料内，染出点点小花，或许就是“鱼子缬”的印染法了。
This article mainly introduces the principle of the multi-level recursive prediction method and the first application example to the pitching movement prediction of a large-sized naval vessel.
主要介绍多层递阶预报原理及其首次在大型舰船纵摇运动预报中的应用实例。
It is significant for the getting up and dropping of the ship-board aircraft, habitability and seagoing performance of ship that a effective method of anti-pitching can be found.
如果能够找到有效的减纵摇方法，对于舰载飞机起降、船舶的适居性和航行性等都是十分有意义的。
It is significant for the getting up and dropping of the ship-board aircraft, habitability and seagoing performance of ship that a effective method of anti-pitching can be found.
如果能够找到有效的减纵摇方法，对于舰载飞机起降、船舶的适居性和航行性等都是十分有意义的。
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