查询词典 reciprocating motion

Cam mechanism;Servo control system;Cam-follower system;Variable-speed cam system;Motion characteristic;Angular velocity

中文关键字凸轮机构；伺服控制系统；凸轮从动件系统；变速凸轮系统；运动特性；角速度

The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.

看来采用自由无阻尼正规模态可保证变形运动的线动量和角动量为零。

Then angular motion compensation and Radon transformation are performed to the ISAR image. A novel search algorithm based on the edge detection is used to divide the target from the sea clutter in the end.

利用ISAR技术得到回波二维像，差波束补偿之后，对其进行Radon变换，再利用该文提出的结合边缘检测技术的搜索算法得到的参数，完成目标与海杂波分离处理。

We discuss the special case of motion in a plane, because of the angular momentum per unit mass, a, the spinning particles in Kerr spacetime is different form the case in Schwarzschild spacetime.

主要讨论在赤道平面的特殊情况，由于场源具有角动量，自旋粒子在Kerr场中的运动不同于史瓦西场中的情况。

An experiment system is setup for the blade flapping motion measurement, a model of micro helicopter rotor manipulation mechanism is designed and completed, in order to obtain continuously changing angular velocity, a angular velocity control unit is also designed which consists of a power supplier and a voltage distributing circuit.

建立了微型直升机旋翼桨叶挥舞振动实验系统，研制了微型直升机旋翼操纵机构实验台和旋翼转速控制单元，提出了微型直升机旋翼桨叶挥舞振动的非接触式测量方法。

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机，有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对，组成的叶片角度轴承手段（ 10 ， 12 ， 14 ， 16 ）为每个转子叶片的手段，拉杆手段（ 6，8 ）手术互连转子叶片的手段，其中一对刀片的手段都是安排截然相反的对方说，拉杆手段，有一个高弯曲阻力，即传输弯矩从转子叶片向转子头的意思是，大幅防患于未然，每个叶片角度说，轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向，至少有一个叶片角度说，轴承是指一对组成的手段，允许轴向的议案，分别紧张酒吧手段，支持在叶片角度说，轴承的手段，其中，叶片角度说，轴承的手段（ 10 ， 12 ， 14 ， 16 ）手术的支持表示拉杆的手段（ 6 ， 8 ）就表示，转子头部的手段（ 4 ）为俯仰角轮换说拉杆手段相对说，转子头部的手段（ 4 ）表示，转子结构进一步组成的手段，（ 24 ）说，确保转子叶片的手段（ 18 ）表示，拉杆手段（ 6 ， 8 ）在一个僵化的方式对旋转的叶片即是说，约纵向叶片轴，即确保手段防止扑，拖曳和落后变动的紧张局势，酒吧的手段，说拉杆手段，正在建造的，作为扭杆这是弹性相对扭转约说，纵向叶片轴。

MAIN OUTCOME MEASURES: Angulation of the deformities and degree of correction; range of joint motion; complications.

主要观察指标：①畸形的角度及矫正情况。②关节的活动度变化。③并发症发生情况。

In three-dimensional computer animation we can use software constraints to force all or some of the motion within arcs.

在三维立体电脑动画，我们可以使用软件的限制，迫使全部或部分的议案，内弧。

Pro Motion is an animation software that contains hundreds of functions to easily create bitmap graphics.

亲的议案，是一个动画软件包含数以百计的职能，轻松地创建位图图形。

In terms of relevant relationship to equation of motion of the elastodynamics plane problem for an orthotropic anisotropic body, the universal representations of analytical solutions are obtained with the method of self-similar functions.

根据正交异性体弹性动力学平面问题运动方程的相应关系，采用自相似函数的方法可以获得解析解的一般表达式。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。