加速度

To implement this guidance law, the thesis purposed one new target state model and adaptive algorithm for radar homing missile attacking maneuvering target, which is based on the slowly changing of the tangential acceleration and the normal acceleration of the spiral maneuvering and snaking maneuvering in target trace frame coordinate system, and on that the most of them equipped with Strapdown Inertial Navigation System, to meet the demand of the advanced homing missile to target state, It can estimate target position, velocity and acceleration accurately by real-time processing.

为了实现该制导律，重点针对先进自寻的制导律对目标机动运动状态的需求和导弹系统大都具有捷联惯导系统的条件，基于目标螺旋机动和蛇形机动的切向加速度和法向加速度在目标轨迹活动标架上缓变的特点，本文提出了一种建立在目标轨迹活动标架上的运动状态方程和扩展观测方程的自适应估计算法。

The brake of non-throwing arm is helpful to obtain the tangential acceleration in the right shoulder and normal acceleration, afterwards the right shoulder in surmounted hip vertical plane after the braking maneuver, can throw the angular momentum effectively to the arm.

①非投掷臂的制动，有助于右肩获得切向加速度，法向加速度，而后右肩在超越髋部垂直后的制动动作，能将角动量有效的传递到投掷臂。

This work presents the parametric equations of acceleration poles and the polynomial equations for the loci of acceleration poles of the couplers of two planar linkages. Moreover, the design procedures for synthesizing the mechanisms with a coupler point tracing through two acceleration poles are proposed.

本论文之目的，在於推导两型平面连杆机构耦杆的加速度极心位置之参数式，及其轨迹之多项式方程式，并且分别提出设计程序，藉以合成耦杆点通过两个加速度极心之机构。

The aircraft acceleration affects the response significantly, especially the vertical component of aircraft acceleration.

过大的垂直加速度分量或过小的水平加速度分量都可能使原稳定的系统变得不稳定。

MA Zhihong, LI Jinguo. Designing technique for antivibrating and antishocking of military equipment ［J］.Equipment Environmental Engineering,2006, 3(5):7073.［3］ ZHAN Jiakai,DING Hui,NING He,et al.

由试验结果还得到，安装减振器前，A点响应的总均方根加速度值为4.205 g，安装减振器后，总均方根加速度值为1.779 g，减振效率达到57%。

In this paper,the equation of angular speed and centrifugal acceleration on a part in the fuze is derived according to the movement of circumrotatory ammunition at exterior trajectory.

根据旋转弹丸在外弹道上的运动，推导出了引信零件在弹道上的运动角速度和离心加速度表达式，通过计算和模拟仿真得到了脉动的离心加速度曲线，在引信动态模拟装置上进行模拟测试，验证了理论分析的正确性，提出了通过直接计弹丸转数实现引信定距功能的方法。

A motion parameter estimation method by fitting the phase history of the moving target is proposed for airborne dualchannel SAR systems. The crosstrack velocity, alongtrack velocity, crosstrack acceleration and alongtrack acceleration can be estimated, respectively.

针对机载双通道合成孔径雷达(synthetic aperture radar， SAR)系统中运动目标参数估计，提出了一种利用目标相位历程拟合目标运动参数的方法，包括距离向速度、方位向速度、距离向加速度和方位向加速度估计。

A novel acceleration switch with threshold adjusting and "on"-state latching functions is developed.

针对冲击加速度测量要求，本文提出了一种基于惯性-静电耦合原理设计的阈值可调的冲击加速度开关。

3When subjected to the seismic ground motion of the shock type, the shallow, thin and narrow liquefied lenticle may amplify the response of the building with short period.

计算结果表明：(1)所采用的方法与已有的模型实验结果有很好的对应关系，可用于分析建筑物存在下的场地砂土液化问题；(2)饱和砂土透镜体液化对短周期建筑物主要起到隔震作用，且随着透镜体厚度、埋深和宽度的增加以及场地输入地震动加速度的增大，减震效果有所增加；(3)在冲击型地震动作用下，埋深浅、宽度和厚度小的液化透镜体有时却对短周期结构加速度反应起到增大作用。

An accelerometer was used to record triaxial acceleration while the patient was walking (x-axis: superoinferior direction, y-axis: anteroposterior direction, and z-axis: mediolateral direction).

当病人在步行时加速度计被用来记录三轴的加速度（X轴，上下方向，Y轴前后方向，Z轴，中间外侧方向）。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失