Vibratory frequency has some effect on measured value of the unloaded dynamic elastic modulus. Higher vibratory frequency may decrease a little the value of the modulus.
振动频率对回弹动弹模有一定影响,高振频使测定值有所下降。
On the basis of analyzing vibratory frequency control system of vibratory roller, the controller are designed and the plan of vibratory frequency constant control by PID are put forward.
在分析振动压路机振动频率控制系统的基础上,对控制器进行了设计,提出了采用PID控制实现振动频率恒定的方案。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
同时,发动机转速的恒定也使液压泵输出排量稳定,进而保证了行走速度和振动频率的稳定,提高了压实质量。
Vibratory compactability of dry sand in full mold foundry has been researched by experiments on effective factors such as vibratory direction, dimensions, frequency, acceleration and dry sand sorts.
通过对实型铸造干砂振动填充紧实中的振动方向、维数、频率、加速度及干砂种类等诸多影响要素的测定实验,研究了实型铸造振动紧实干砂的性能。
Micro-computer control system controls the sending of pulse series and realises the change of speed, amplitude and frequency in vibratory tapping.
微型计算机控制系统控制脉冲序列的发送,实现振动攻丝中转速、振幅和频率的无级调整。
The natural frequency, quality factor, first mode of fold beam and Young's modulus of the double linear vibratory gyroscope were measured by the new setup.
并用此方法测量了双线性振动陀螺的固有频率、品质因子、—阶模态振型和杨氏模量。
The influence regularity of vibratory parameters such as amplitude, frequency, centrifugal force, intensity of pressure, time of vibratory and material factors such water content is studied.
从静面压力、激动力、频率、振幅和振动时间等振动压实参数以及含水量对黄土振动压实效果的影响因素进行了系统的分析。
A hydraulic vibratory system is developed for vibratory pile pressing. It can produce variable pressure with a specified frequency in hydraulic circuit for hydraulic static pile pressing machine.
为液压静力沉桩机液压系统的压桩油路中产生一定频率压力变化,实现振动压桩而研发了一套液压振动系统。
The relationship between the volumetric deformations of sand for different number of cycles of vibratory motion and input accelerations and its dependence on input frequency are investigated.
文中还分析了不同振次下的干砂体积变形与振动加速度之间关系,以及振动频率对这关系的影响。
In order to study deeply factors of cutting surface effection in vibratory cutting, the experiment system of the vibration cutting with low frequency is tried and established.
为了深入研究振动切削中各因素对加工表面的影响,建立了低频振动切削实验系统。
The drive circuitry of the silicon micromachined gyroscope based on adaptive control is investigated. The coherence of two vibratory modes is achieved utilizing adaptive tuning at a given frequency.
研究了基于自适应控制的硅微振动陀螺仪的驱动电路设计,通过固定频率信号驱动和自适应调谐实现双驱动模态的一致性。
FEM Model is made and programmed in MATLAB, reasonable size is worked out, relation between frequency and density is analyzed, and the vibratory mode shape is given.
用有限元法建立了圆筒谐振子的模型,通过MATLAB软件编程,计算出合理的谐振子参数,对其频率密度特性进行了分析,并给出了振子的振型分布。
The vibratory treatment is done at each harmonic wave until the resonance frequency is stable and then turned to the next.
在每一个谐波进行振动处理直至谐振频率稳定并转入另一个谐波进行振动处理。
The vibratory treatment is done at each harmonic wave until the resonance frequency is stable and then turned to the next.
在每一个谐波进行振动处理直至谐振频率稳定并转入另一个谐波进行振动处理。
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