A zero-install roll Angle of the wrap around fins projectile still has roll moment at zero Angle of attack.
卷弧翼与弹身扣合较好,在零攻角下会产生滚转力矩。
The aerodynamic drag of different models at zero angle of attack in the experiment is calculated using the simplified procedure.
在零攻角实验时不同模型的空气动力阻力是采用简化方法来计算的;
The absolute zero angle can be defined at the biggest fringe amplitude point, so this method can also achieve absolute angle measurement.
干涉条纹幅度最大点处确定为绝对零角度位置,因此该方法可以实现角度的绝对测量。
The zero position circuit is designed, so that the absolute speed of zero and zero Angle bit precision align, meeting the requirements of servo control system.
设计了测速零位电路,使测速零位和绝对测角零位精确对准,满足伺服控制系统要求。
v0 And there is an angle between ; the position vector and v zero; 0 I call that phi zero.
在方位向量和,之间,有一个夹角;,我们叫它φ
The Angle increases, 2 so in our case from t1 to t2 0 the average acceleration is larger than zero Look at the Angle.
角度在时刻t1到t2的过程中,增加了2,故平均加速度大于,看看这个角度。
Phase Angle Phase Angle refers to the relation between two sine waves which do not pass through zero at the same time.
相角相角指的是两个不同时经过零点的正弦波之间的关系。
If you look at a clock and the time is 3:15, what is the Angle between the hour and the minute hands? (the answer to this is not zero!)
如果你看表的时间是3:15,那么时针和分针所成的角度是多少(答案不是0…)!
That's exactly right, y0 because then the distance R between here and the y zero is R, so this is the potential energy as a function of angle theta.
它非常正确,因为这样,这里和,的距离是,因此这是势能,关于θ的变化。
So now we can scale the animation - ignore key frame 0, this should be close to zero, if not use the difference to scale the Angle.
因此现在我们能够按比例修改动画——忽略关键桢0,如果不使用差额按比例修改角度,这应该接近0。
The other is a mechanical automatic reversing mechanism designed for atmospheric pumps, which adopts involute (zero pressure Angle) CAM mechanism as reversing mechanism.
另一种是为气压泵设计的机动自动换向机构,该机构是利用渐开线(零度压力角)凸轮机构作为换向机构。
For the case of planar interception, the so called relative heading error angle between the relative velocity vector and the LoS (Line of Sight) is chosen as the output to be controlled to zero.
针对平面拦截问题,选择导弹和目标之间的相对速度矢量与导弹-目标视线之间的夹角(称为相对航向误差角)作为将要被控制到零的输出。
Numerical solutions agree with supersonic linearized potential flow theory as a special case when the mean angle of attack tends to zero and with piston theory in hypersonic case.
作为平均迎角趋于零的特殊情况,本文的数值结果与超声速线化的位流理论是一致的,在高超声速情况与活塞理论一致。
In most flight conditions it is desired to maintain the sideslip Angle equal to zero.
大多数飞行状态都要求保持侧滑角等于零。
The mathematical model presented in this paper can also be used in the regrinding of gear hobs with zero rake Angle and positive rake Angle for error calculation and revision.
文中的数学模型亦可用于零前角及正前角齿轮滚刀重磨后的齿形误差计算及修正。
Incremental optical electric axial Angle encoder usually adopts zero position grating providing absolute zero position in order to prevent from data fault during electricity failure suddenly.
为了防止突然断电时造成数据错误,增量式光电轴角编码器通常采用零位光栅提供绝对零位信号。
Based on a zero sideslip Angle proportional control, we get the gain of the distance from the centroid to the steering center position, yaw angular velocity and lateral acceleration.
在此基础上,得到车辆采用零侧偏角控制策略时,车辆转向中心到质心的距离,横摆角速度增益及侧向加速度增益的表达式。
Pressure Angle is never zero, the transmitted force always tends to push centers of the gear apart.
压力角不会是零,传动力总是倾向于把齿轮的中心分开。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法,提出了一种零序电流相位修正的方法。
Because of the real data does not obtain from normal incidence, hence, the radius formula of Fresnel zone for non-zero incidence angle was derived.
根据实际资料都不见垂直入射这一事实,推导了非零入射角条件下非涅尔带半径公式。
The following conclusion is obtained. In the cases of straight gash, spiral gash, zero rake angle and positive rake angle, the hob worm profile from hob put into use to hob abandoned i…
结果表明:在直槽或螺旋槽、零前角或正前角等情况下,用本文设计的磨轮铲磨的滚刀,其基本蜗杆轴截形在从新到旧的整个使用过程中都是精确的。
The invention is used for angle measurement and angle sensor elements, and can measure the absolute zero position of the measured rotor.
本发明用于角度测量或角度传感器元件,可以测出被测转子的绝 对零位。
For the TE wave or the TM wave, the reflection coefficient will become zero at a certain incident Angle.
不论是TE波还是TM波,当以某一入射角入射时,反射系数都有可能变为零。
Because the aerial imagery is acquired by the way of vertical photography, the banking angle is very small, almost closing to zero, and the inner element is known.
由于航空遥感影像近似竖直摄影的特性,倾斜角非常小,几乎接近于零,而且内方位元素已知。
It provide theory gist for invention of the woodworking saws of zero degree cutting clearaece angle;
为零锯料角木工锯子的发明提供了理论依据;
This paper presents a calculating method for the edge of a new hob with straight groove and zero rake Angle. The original section edge of the said hob is on the surface of basic worm.
本文提出了对直槽零前角滚刀,原始截面刃形在基本蜗杆齿面上,其新滚刀刃形的计算方法。
The zero-sequence angle-frequency characteristic of the lines are studied based on it and the characteristics of transient zero-sequence current in different frequency ba.
根据这一特点,对小电流接地系统中线路的零序参数相频特性进行研究,得出系统发生单相接地故障时不同频带上暂态零序电流特性。
On the condition of no influence on other performances, smaller Angle of ramp is better. It is best that the gradient between the start point of ramp and the bottom of ship is zero.
斜坡坡角在不影响其它性能时越小越好,若能使斜坡始点与船底接触处曲率梯度为零最好。
On the condition of no influence on other performances, smaller Angle of ramp is better. It is best that the gradient between the start point of ramp and the bottom of ship is zero.
斜坡坡角在不影响其它性能时越小越好,若能使斜坡始点与船底接触处曲率梯度为零最好。
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