vibration constant的例句大全

Concluded that vertical vibration test results in the section added in a constant, while the pitch and yaw vibration greater impact on the test results, laser beam in the number of less or more or obvious when the vibration the test results are not credible.

得出结论：垂直振动在断面检测结果中加进去一个常数项，而俯仰和横摆振动对检测结果影响较大，在激光束个数较少或振动较明显时检测结果是不可信的。

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An adaptive phase shifting interferometry, insensitive to the disturbance of constant term of phase perturbations induced by environmental vibration and air turbulence is discussed.

研究对环境振动和空气扰动所造成的两相干光束间常数项光程变化不敏感的自适应移相干涉系统。

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This article is on free vibration in mass-variable rotor of textile machine at constant velocity.

本文研究了具有定常转速的纺织机械变质量转子在不同支承下的非线性自由振动问题。

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Third, proposed and researched optimizing design mode of constant stress accelerated life test plans under the temperature and vibration stresses.

第三，提出并研究了电连接器在环境温度和振动应力综合作用下的加速寿命试验方案的优化设计模型。

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Packaging Transport packages Sinusoidal vibration test method at constant frequency

GB/T4857.7-1992包装运输包装件正弦定频振动试验方法

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Environmental test methods have high and low temperature test, impact test, temperature resistant and corrosion test, test, test, and dustproof sealing test, vibration test, impulse hammer and crash test, transport test, constant acceleration test, life test ( durability).

环境试验方法有高低温试验、温度冲击试验、耐潮及防腐试验、防霉试验、防尘试验、密封试验、振动试验、冲击和碰撞试验、运输试验、恒加速试验、寿命（耐久性）试验等。

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The constant-gain negative velocity feedback, Lyapunov feedback as well as a linear quadratic regulator ( LQR) approach had been used for active vibration control with the beam subjected to impact excitations and/ or thermal loads.

采用常增益速度负反馈控制、Lyapunov反馈控制和基于独立模态的线性二次型调节器（LQR）设计主动控制器，实现了层梁结构脉冲激励和热载荷作用下的振动主动控制。

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The dielectric constant, pyroelectric coefficient, thickness extension vibration electromechanical coupling factor and their temperature dependence are investigated.

研究了它们的介电常数，热电系数，厚度伸缩振动机电耦合系数及其温度依赖性。

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The result shows that after a certain vibration time, the deviation of coarse aggregate content in each layer keeps on a constant value, and infiltration segregation mechanism still plays an important role in this process.

振动过程中的颗粒分离表现为随着振动时间推移，上中下各层中粗集料含量的偏差值逐渐趋于恒定，渗透机制对振动过程中颗粒的离析仍然起着重要作用。

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The characteristics of vortex induced vibration were researched by changing the velocity of fluid and keeping the frequency of circular cylinder constant.

保持圆柱的频率不变，通过改变风速来研究圆柱涡致振动的特性。

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The forces of a rocket can divided into static forces and dynamic forces. The former are caused by constant external loads while the latter result from the vibration of the rocket's body induced by vertiginous loads.

火箭的载荷可分为静载荷和动载荷，静载荷是由定常外力引起的箭体内力，动载荷是由随机或剧烈变化的外力激起的箭体振动响应载荷。

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For periodic excitations, the controller provides satisfactory vibration reduction in the cases of constant frequency/ constant amplitude, varied frequency, and varied amplitude excitations. The sums of the squared accelerations in controlled cases are decreased to 1% of those in uncontrolled cases.

对周期激励，在激励信号恒频率/恒振幅、变频率、变振幅时，受控结构的振动显著减小，各传感器测得加速度的平方和为无控时的1%或更小。

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The car was controlled with a different speed at a constant speed in randomly generated Class B road to test the vibration acceleration by the road roughness in driver seat.

在随机生成的B级路面上使该车以不同的车速匀速行驶，测试驾驶员座椅处的由路面不平度传递来的振动加速度。

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When frequency is constant, the relationship between tapping torque and vibration type is a humped curve. The vibration frequency and vibration type must be optimized for vibration tapping.

试验表明：振型一定时，攻丝扭矩随振动频率的增加而增大；频率一定时，攻丝扭矩与振型成驼峰曲线关系；

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Applying analytical method, the exact transfer matrix of circular arches with constant cross_section is derived. The characteristic equation for the free vibration of circular arches with variable cross_section is established by use of transfer matrix method.

用解析法推导了等截面圆拱单元的精确传递矩阵，再应用传递矩阵原理建立变截面圆拱自由振动的特征方程。

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packaging - transport packages - sinusoidal vibration test method at constant frequency

正弦定频振动试验方法

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packaging - basic tests for transport packages - part 7 : sinusoidal vibration test method at constant frequency

包装运输包装件基本试验第7部分：正弦定频振动试验方法

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analysis on vibration of ball basket constant velocity universal joint

球笼式等速万向节的振动分析

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the traditional gear transmission design method is fatigue strength design in constant amplitude based on the largest load in the actual gear transmission process. generally, the impact of random vibration loads to the gear transmission was not considered.

传统的齿轮传动的设计方法是按齿轮在传动过程中的最大载荷在等幅疲劳强度下的设计，一般都没有具体的考虑随机载荷波动对齿轮传动寿命的影响。

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