真方向角这一名称，通常为海员等人员使用。
材料断口分维值随着晶须方向角的增大而增大。
The fractal dimension of the material fracture rises with the increase of whisker direction Angle.
相对于标准点符号，有向点符号包含着方向角信息。
Compared to standard point symbol, the oriented-point symbol contains direction Angle information.
提出基于颜色—梯度方向角直方图的单人脸跟踪方法。
An approach of single face tracking based on Color-Directional Gradient Angular Histogram is proposed.
并对现行材料力学教材中求主方向角的方法进行了讨论。
Besides, it discusses the other methods in the current teaching materials of mechanics.
瞬时流动平均方向角与正反向间歇流动因子成线性变化。
Flow mean angles varied linearly with the upstream-downstream intermittency.
对在强激光作用下的光学元件的透射激光方向角进行了时序观测。
The experiment of time sequence observation of laser orientation angel for transmitting laser beam through an optical element under heating of powerful laser has been carried out.
这一方案特别适用于小型运动物体方向角的动态测量和自动跟踪装置。
This plan is specially suitable for dynamic measurements and the automatic tracking devices of direction of Angle of small moving objects.
初始大主应力方向角对动强度影响显著，随角度的增大动强度逐渐降低。
The initial orientation Angle of the major principal stress has a significant influence on the dynamic strength: as the Angle increases, the dynamic strength decreases.
其次，直接利用UCA的阵列流形，采用最小二乘法估计信号二维方向角。
Second, based on a direct array manifold in UCA, the azimuth and elevation are estimated by Least Squares (LS).
振动方向角和电机转速对粮食清理设备的振动体制和物料推进速度有很大影响。
Vibrating direction Angle and motor speed has great impact on the vibrating system and stuff feed speed of grain clearing equipment.
最后通过定义一个特殊的四阶累积量提取加性高斯有色噪声中的方向角、多普勒频率。
A special four order cumulant was defined to extract DOAs and Doppler frequencies from additive Gaussian colored noise.
研究了利用导引头天线测量的视线角速度在弹体的投影进行目标脱靶方向角识别的原理。
This method for the identification of target miss in azimuth makes use of the projection in missile body coordinate system of line-of-sight rate between the missile and target.
将该方法应用到反导定向战斗部中，解决了反导定向战斗部确定目标方向角信息的技术难题。
Using this method the problem of measuring target directional angle in anti-TBM aimed warhead was solved.
设计变量可包含复合材料结构的铺层方向角。广义气动力导数计及正交振动形态导数的影响。
The design variables include the ply orientations of composite material, and the derivatives of generalized aerodynamic forces involve normal modes derivatives.
本方法利用协变异(或协变异系数)构造矩阵，并通过求根的方法估计近场源的方向角和距离参数。
The algorithm constructs matrixes by using covariation or covariation coefficient and estimates bearing and range of near-field sources by rooting method.
在各阵元增益幅度不一致的条件下，提出了一种起伏目标的二维方向角和多普勒频率盲估计的新方法。
A new blind estimate of 2d Angle and Doppler frequency for fluctuating target signals was proposed with sensor gain uncertainties.
结果表明：随着初始主应力方向角的增大，轴向残余变形由压缩状态的正值逐渐过渡到伸长状态的负值。
The results show that: with the initial principal stress direction angle increases, the axial residual deformation from the compression state gradually transits to the elongation.
通过引入相邻对象方向角和屏蔽角，对方向接近的相邻对象进行屏蔽，实现对确定相邻对象方法的改进。
Through the introduction of the adjacent object direction angle and shielding angle, the ultimate adjacent objects are identified close to the direction of the adjacent object mask.
讨论了用球头铣刀进行曲面加工时共振安定界限的预测方法，重点分析了法向方向角对共振安定界限的影响。
An algorithm has been developed to predict stability lobes in ball end milling to investigate the influence of normal direction angle at cutting point on the stability.
由于分数维不能反应灰度图像的方向性，本文利用矢量代数的基本知识，提出了一种灰度图像方向角的提取方法。
Because fractal dimension can not respond to the orientation of the gray level images, an image orientation Angle estimating method is proposed by basic knowledge of vector algebra.
提出了颜色—梯度方向角直方图，它能同时表示图像的颜色特征与结构特征，对它的鉴别能力作了较为深入的分析。
The color and structure features of the image can be present at the same time. The identifying ability is analyzed deeply.
计算结果表明：在通气空泡的形成过程中，通气方向角存在着一个临界值，使得空泡形态由片状空泡过渡到超空泡；
The results of simulation indicate that there is a critical value for ventilation direction to transfer sheet cavity into supercavity.
通过在微带漏波天线的辐射边缘周期性地加载微带电感，可减小微带漏波天线的相位常数，进而减小微带漏波天线的主波束方向角。
The phase constant of MLWA decreases with microstrip inductors loading along the leaky line, which results in the decrease of the main beam direction angle of MLWA.
仿真实验结果表明，利用该算法可以通过控制机器人两个驱动轮的驱动力矩来实现控制机器人按给定的轨迹运动，同时也能实现机器人方向角的改变。
The result of simulation indicate the algorithm can actualize track movement of robot through controlling driving torques of two wheels and change the direction corner of robot simultaneously.
使用高斯函数的一阶导数作为基本小波，对曲线的方向角函数进行多尺度小波分析得到候选点集，提出了四个筛选规则对候选点集进行逐步筛选得到正确角点集。
Firstly, using the first order derivative of Gaussian function as the base wavelet, the direction Angle function of a planar curve was analyzed on multiple scales to obtain the candidates of corners.
弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数，本文针对四幕光幕靶和双光幕测速系统的不足，采用六个大靶面光幕靶，构造出了两类六光幕阵列结构。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
在西南方向，多瑙河三角洲形成了与罗马尼亚的边界。
To the southwest the delta of the Danube forms the border with Romania.
作为通往密西西比河三角洲南方和西南顶端方向的航道，(图像中左及左下角)的明亮的水道为船只提供了进入墨西哥湾的通道。
The bright waterways known as the South and Southwest Passes of the tip of the Mississippi River Delta (image center left and lower left) provide passage for ships into the Gulf of Mexico.
作为通往密西西比河三角洲南方和西南顶端方向的航道，(图像中左及左下角)的明亮的水道为船只提供了进入墨西哥湾的通道。
The bright waterways known as the South and Southwest Passes of the tip of the Mississippi River Delta (image center left and lower left) provide passage for ships into the Gulf of Mexico.
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