研究了非正弦振动发生装置。
正弦振动断口非常粗糙，而随机振动断口比较平滑。
The fracture surface is rather rough in sinusoidal vibration, while is smooth in random vibration.
非圆齿轮；节曲线；非正弦振动；串联齿轮；
Noncircular gear Pitch curve Non-sinusoidal oscillation Serial gears;
主要包括稳定正弦振动试验和随机振动试验进行了分析研究。
Sine vibration test and random vibration test were provided with corresponding analysis.
液压振动台是实现大型全尺寸试件正弦振动试验的重要设备。
Hydraulic shake table is important equipment for implementing large, full-length specimen sinusoidal experiment.
结晶器非正弦振动是实施高拉速连铸和提高铸坯质量的关键技术。
Nonsinusoidal oscillation of continuous casting mold is one of the key technologies for high speed casting with high quality.
适当降低振频，增大振幅和非正弦振动因子可抑制表面裂纹形成。
The surface cracks formation can be restrained by decreasing oscillation frequency and increasing amplitude and nonsinusoidal oscillation factor properly.
这些问题使正弦振动试验结果的可信度降低，甚至使试验无法进行。
These problems lowered the credibility of results of sinusoidal experiment, even made the experiment impossible.
该系统能完成所要求的正弦振动实验、随机振动实验和冲击测量实验。
The system can finished the required functions of sine vibration experiment, randomicity vibration experiment and impact measurement experiment.
在半板簧结晶器振动试验装置上，模拟了小方坯连铸机的非正弦振动。
The non-sinusoidal mould oscillation of machine was simulated at a half plank spring mould tester. The …
在半板簧结晶器振动试验装置上，模拟了小方坯连铸机的非正弦振动。
The non-sinusoidal mould oscillation of machine was simulated at a half plank spring mould tester. The developed hydrauli…
近年来，国内外采用液压式非正弦振动结晶器，实现了连铸生产的自动化；
In recent years, The Hydraulic-Servo mould is applied in the world, realized product line's automation for continuous metal cast.
可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。
Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency.
建立了椭圆齿轮驱动的结晶器非正弦振动系统动力学模型，推导了动力学方程。
The dynamics model of non-sinusoidal vibration system of crystallization utensil driven by elliptical gears was established, and its dynamics equation was derived.
结晶器非正弦振动形式增加结晶器振动的基本参数，突破结晶器正弦振动参数的取值限度。
The development of non-sinusoidal oscillation of mould expands the basic parameters of mould oscillation, and surmounts the limit of oscillating parameters range for sinusoidal oscillation .
给出了一种用于连铸生产的非正弦振动波形，并对其波形参数和振动工艺参数进行了讨论。
A waveform of non sinusoidal oscillation for continuous casting is given. The relations between the waveform parameters and oscillation process parameters are discussed.
结果表明，这种非正弦振动波形具有较好的拉坯速度适应范围，能够满足连铸生产的要求。
The results show that the waveform is suitable for a broad casting speed range and can meet the need of continuous casting production.
振动试验引入数字控制技术后，正弦振动试验在试验装备、试验应用和试验工程诸多方面有了提升和拓展。
After the digital control techniques are introduced into the vibration test, many aspects of the vibration test are developed, such as test equipment, test application and test engineering, etc.
本文用数字粒子成像测速仪(DPIV)，对圆柱体在静水中作正弦振动而产生的振荡流场进行了实测研究。
Digital particle image velocimetry (DPIV) was applied to investigate the flow field around a circular cylinder undergoing sinusoidal oscillating movement in still water.
应用结晶器非正弦振动技术可以降低结晶器摩擦阻力，减少粘结性漏钢，同时大幅度降低高拉速时的结晶器振动频率。
The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.
并利用该方法对某型号卫星进行模态参数识别，与模态试验相比，结果比较理想，从而实现了利用正弦振动试验的数据提取模态参数的目的。
The method is used to identify modal parameters of a satellite. Comparing with the modal test, the results are fairly well, which shows the validity of identifying modal parameters using sine…
仿真结果表明，空台正弦扫描试验仿真得到的台面各节点加速度幅值与试验结果比较接近，所建立的模型可用于试件振动台试验仿真。
The results indicate that the simulation results are close to the experimental ones that the modal can be used for simulation of vibration test with attached structural members on it.
目的探讨高频正弦波振动对模拟失重条件下大鼠比目鱼肌萎缩的对抗作用。
Objective To study counteracting effects of high frequency vibration on simulated weightlessness-induced atrophy of soleus muscles in rats.
波形失真度是稳态正弦标准振动台计量中影响计量校准精度最主要的因素。
Waveform distortion is a primary factor affecting the measure precision of steady sine standard vibration calibration system.
同时进行了裸盘正弦扫频振动失效试验，准确测量了硬盘的振动失效频率点和振动幅值。
Simultaneously, the sine sweep vibration tests are carried out to measure the vibration frequencies and amplitude which lead to operation failure of HDD.
通过正弦扫频及随机振动试验结果表明，所设计金属橡胶隔振器能够满足技术指标要求。
The metal rubber isolator satisfies the requirement based on the experimental results of the swept sine and random vibration.
结论：正弦波的振动负荷可以影响培养关节软骨细胞的代谢。
CONCLUSION: Vibration loading at a sinusoidal waveform can affect the metabolism of cultured articular chondrocytes.
结论：正弦波的振动负荷可以影响培养关节软骨细胞的代谢。
CONCLUSION: Vibration loading at a sinusoidal waveform can affect the metabolism of cultured articular chondrocytes.
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