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.
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.
在国内某电厂的300MW机组锅炉上，利用炉墙上的观火孔，分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
加载工程机械主要的两种加载模式正弦波载荷和阶跃载荷，试验台动态仿真的结果表明系统动态响应性能能够满足试验要求；
We put the two main engineering machine loading which are sinusoidal wave load and step load, and the results indicate that the dynamic responds are satisfied for the needs of the experiments.
试验分别采用正弦激励模态共振法和锤击激励传递函数测量法。
The resonance method excited by sine sweeping and the transfer function method excited by hammer impact are adopted.
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.
对框架柱进行了局部挠曲模态的脉冲激励试验和正弦稳态扫描试验。
Impulse excitation and sine stable sweeping tests of local bending modes of the frame columns were conducted.
采用载荷控制、非对称正弦波动态载荷变化方式对水泥土进行疲劳载荷试验。
The fatigue behavior of cement-sodium-silicate-grouted soil is investigated by cyclic loading test of dynamic asymmetric sine wave load.
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.
最后我们研究了初始边界值问题。通过数值试验证明，线性正弦波会逐步变为非线性的圆锥型波。
At last an initial-boundary value problem was considered and the numerical experiment demonstrated that the linear sinusoidal wave would successively evolve non-linearly into conoidal wave.
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.
然后对直线电机驱动的AMD控制系统进行不同频率和幅值的正弦力指令试验。
The performance test was carried out for AMD control system driven by linear motor under the sine directive force with different frequencies and amplitudes.
变压器的空载试验中，由于功率因数低，空载电流不是正弦信号，高精度测量其有功功率具有一定的难度。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
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.
通过仿真和电路试验证明，该滤波电路能将电流畸变率由原来的30.53%降低到9.45%，从而使交流侧的电流接近正弦波。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
域内生成正弦波和椭圆余弦波的数值试验结果证实了该结论。
Numerical solutions of the equations with the internal generation of sinusoidal and cnoidal waves confirm this finding.
试验结果显示逆变器有很好的正弦波输出波形，快速的动态响应，优良的负载特性和高精度的输出电压。
The experiment results show that the inverter Can achieve good sinusoidal output waveform, fast dynamic response, excellent load characteristic and high precision of output voltage.
在试验中应用了CHFZ—1型传递函数分析装置来测量和分析该机床在稳态正弦激振下的响应。
In this test, a Transfer Function Analyser Model CHFZ-1 is used to measure and analyse the response of the machine under stabilized harmonic excitation.
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.
半正弦波跌落冲击试验因其垫层的硬非线性而难于求解。
It is difficult to solve the equation of half sine wave shock-exited vibration due to the pad's hardening type.
主要观察指标：骤停旋转试验及正弦摆动试验结果。
MAIN OUTCOME MEASURES: the results of the sine swing test and the rotation sudden pause test.
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.
本文简要介绍了快速正弦扫频试验技术及其使用的信号发生器的原理，并给出了典型应用实例。
The rapid frequency sweep technique and its basic principle have been introduced. Some examples of its practical application are given in the Paper.
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 …
特别对用快速正弦扫频试验方法研究线性系统动态特性的优点做了必要的说明。
A description is given, in particular, of the advantages of the rapid frequency sweep technique for the research on the dynamic characteristics of a linear system.
特别对用快速正弦扫频试验方法研究线性系统动态特性的比点做了必要的说明。
Advantages of the rapid frequency sweep technique for dynamic characteristics research of the linear system are also described.
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…
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…
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…
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