旋转角

股骨颈旋转角的CT研究

The Study of Rotation Angle of the Femoral Neck on CT

与纯YIG相比具有较好的磁光性能，有更高的比法拉弟旋转角和磁光优值以及较小的温度依赖性。

It has larger Faraday rotation angle and magneto optic figure of merit and lower temperature sensibility than pure YIG .

按作为四元组转动的C－C键旋转角的函数计算了正庚烷的构象能。

The conformational energy of n-heptane is calculated as a function of the C-C bond rotation angles with a tetradic rotation .

PID控制使用车身的垂直加速度作为输入变量，模糊控制作为PID控制的补充，以车身旋转角加速度和旋转角速度作为输入变量。

PID control uses the vertical acceleration of vehicle as the input source , fuzzy-logic control uses the rotary acceleration and velocity as the input source .

特别对Sagnac效应进行了具体的推导，得到了相移与旋转角速率的关系。

The ralation between phase shift and rotation velocity is obtained .

模拟结果表明：团簇的形状和它们的分形维数都与外加磁场B的强弱，即体现在模型中离子的旋转角速度ω的大小有关；

It is found that the pattern of clusters and their fractal dimensions depend strongly on the magnetic field which is presented by a rotation velocity of the diffusing particles ω in the model .

通过CCD检测光斑的旋转角，即可算得光纤扭转角，进而得到传感器的弯曲值。

The twist angle of the optical fiber will be obtained by inspecting the rotation angle of the speckle through CCD and further get the bending value of the sensor .

实验验证了本算法具有良好的鲁棒性（旋转角、俯仰角、光照背景），而且处理满足实时性的要求，并可根据SURF点匹配计算UAV的姿态。

Experiments shows that the system is with a good robustness ( rotation angle , pitching angle and light ) and can meet the requirement of real-time processing .

用Matlab仿真分析了主球的质心速度和旋转角速度对其运动轨迹的影响，并提出了一些针对球手训练的建议。

The influence of the velocity of the centroid of the main ball and the angular velocity on its track has been studied by simulation with Matlab and some suggestions which are useful for training are put forwarded .

利用固体滞留期f和转锥旋转角速度ω所绘制的t-ω图像，来说明锥角对生物质热解液化过程的影响；

Using the t - ω image of the time t of solid staying in rotating cone and angle speed ω of rotating cone to explain the effect to biomass pyrolysis and liquefaction process of cone angle .

结论Haller指数和心脏旋转角是评价儿童漏斗胸的2个重要指标。

Conclusion Haller index and cardiac rotation angle are important CT signs in diagnosing pectus excavatum .

分析结果证明了采用MZ干涉式光纤陀螺实现对旋转角速率的探测的可行性。

The theoretical analysis shows this MZ interferometric optical fiber gyroscope can be used to detect the rotation of the moving bodies .

相机外参可以用外参矩阵（或者RT矩阵）E表示，它又可以分解成6个独立的参数，3个旋转角和包含3个分量的平移向量。

Camera extrinsic parameters can be expressed in the form of extrinsic parameters ( RT ) matrix E , which can be decomposed into six independent parameters : three rotation angles and a translation vector of three components .

光纤陀螺是一种基于萨格奈克（Sagnac）效应的光学传感器，它利用固态的全光纤结构实现对载体旋转角速度的测量。

The Fiber Optical Gyroscope is a kind of optical sensor basing on the effect of sagnac which uses solid-state all-optical structure to measure the angular velocity .

正常对照组的Haller指数为2.4±0.3，心脏旋转角为49.4°±2.5°。

The normal group : Haller index was 2.4 ± 0.3 and cardiac rotation angle was 49.4 °± 2.5 ° .

目的探讨Haller指数和心脏旋转角对漏斗胸的应用价值。

Objective To study the value of Haller index and cardiac rotation angle by observing spiral CT features in petus excavatum .

谐振式光学陀螺（ROG）是通过测量Sagnac效应产生的谐振频率差来检测旋转角速度的一种新型光学传感器，在小型化和集成化上具有明显优势。

Resonant Optic Gyro is a novel angular velocity sensor based on the Sagnac effect , which has great advantages in miniaturization and integration .

Sagnac光纤干涉仪，亦称之为干涉式光纤陀螺（IFOG），是一种基于Sagnac效应，用来测量旋转角速度的设备。

Sagnac fiber interferometer , also called interferometric fiber optic gyroscope ( IFOG ) is a device based on Sagnac effect and is used to measure the rotation velocity .

在数字调制的谐振式光纤陀螺中，其阶梯波的复位高度V2π是否精确，会对旋转角速度的测量和标度因数的线性度产生影响。

In resonator fiber optic gyroscopes by digital modulation , imperfect serrodyne ′ s reset amplitude V_ 2 π has influence on the rotation sensing errors and the scale factor non-linearity .

线检查包括Cobb角，椎体顶点的旋转角和C7椎体在冠状面从骶正中线的平移。

Radiographic examination included Cobb angle , rotation angle of apical vertebrae , and translation of the C7 vertebra from the center sacral line on the coronal plane .

谐振式光纤陀螺是基于光学Sagnac效应产生的谐振频率差来测量旋转角速率的一种新型光学传感器。

The resonator fiber optic gyro ( R-FOG ) is a novel inertial rotation sensor , which uses resonance-frequency change due to the Sagnac effect to measure for rotating sensing .

提出了一种新型小波分析快速算法&旋转角序列快速小波变换（RASFWT），并给出了正交小波旋转角序列的约束关系。

A new style fast wavelet transform , named rotation angle series fast wavelet transform & RAS FWT , is put forward in this paper . The restriction on the rotation angle series is also brought forward .

首先提取出图象序列中各图象目标的轮廓特征，然后利用Hotelling变换使各轮廓的方位标准化，从而可求得目标的位置和旋转角等运动参数。

Outline characteristics of various target image series can be extracted first , then the orientation of various outlines can be standardized by Hotelling transform , thus the position and rotating angle of target can be obtained .

该牵引治疗参数应设置为快速距5～7cm、旋转角±12～20°、下倾角15～25°有效且安全。

It was suggested that the traction parameters should be set up as : rapid distance : 5 to 7 cm , rotational angle : ± 12 to 20 ° . down-inclination : 15 to 25 °, which are effective and safe .

结果表明法拉第镜引入的实际旋转角大小可引入系统误差；非理想NPBS的反射相移则会引起输出光偏振态的退化。

The results show that the practical rotation angle of the Faraday mirror can induce a system error to the output and the reflection-induced retardance of the NPBS may degenerate the state of polarization of the output light beam .

我改变了旋转角动量，的方向。

I 've changed the direction of the spin angular momentum .

陀螺仪测量机体围绕某个轴向的旋转角速率值。

A gyro measures rate of rotation around a particular axis .

他测量了人的意识中图像的旋转角速度。

who measured the angular velocity of rotation of mental images .

适用于任意旋转角的三维直角坐标转换方法

A Method of 3D rectangular coordinate transformation adapted to any rotation angle

测量在不同的浓度下进行，得出了旋转角φ随浓度变化的线性关系。

A linear association of rotational angle φ with concentration was obtained .