The over-testing problem is mainly caused by the traditional method in which the acceleration spectrum was enveloped and used as the control spectrum of the vibration table.
传统的卫星振动测试由于采用加速度谱包络的方式获取振动台控制谱,导致了“过试验”的发生。
Based on that, a new mode of detection of information about maneuvering target on the basis of range-acceleration spectrum of the improved algorithm is proposed and its rationality is testified.
在此基础上给出了基于改进算法的距离-加速度谱图检测目标机动信息的模式并证明了该检测模式的合理性。
The method of getting road response spectrum by measuring vehicle vibration acceleration response signals is practicable.
通过测量车辆的振动加速度响应信号获取路面谱的方法具有很好的实用性。
Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.
最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。
Under the condition of acceleration response spectrum being consistent, the engineering properties of near-fault velocity pulse are studied.
在加速度反应谱一致的前提下,研究了近断层速度脉冲的工程特性。
The paper has studied and discussed the amplification of incident waves about acceleration time-domain and acceleration response spectrum in local deposit on the bedrock of single layered soil .
本文研究并讨论了基岩上单一土层中沉积局部场地对入射地震波的加速度时程和加速度反应谱的放大作用。
The weal-correlation between acceleration corrosion factor and stress level, load spectrum and crack size is gained base on the generality of C—T curves.
并从C—T曲线的通用性出发,说明加速腐蚀因子与应力水平、载荷谱以及裂纹尺寸无关。
The frequency in the response spectrum where the zero period acceleration asymptote begins.
频率响应谱中的零期渐近开始加速。
The relation between instantaneous acceleration power spectrum and instantaneous displacement power spectrum is presented.
建立了非平稳随机响应瞬时加速度功率谱与瞬时位移功率谱之间的关系;
The ground surface response spectrum of acceleration, velocity and displacement were calculated using NDFEPS-2D.
运用NDFEPS - 2d计算了若干场地模型的地面加速度反应谱、速度反应谱、位移反应谱。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
To estimate the parameter of velocity and acceleration with high accuracy and in real time for the measurement radar, an improved method based on spectrum zooming is proposed.
针对测量雷达要实时准确获得目标速度、加速度测量值的问题,提出了一种基于频谱细化的参数估计方法。
In human sensitive frequency range, the power spectrum of the center of mass acceleration is reduced obviously.
在人体敏感频率区域内,质心加速度功率普密度也有明显的降低。
The noise power, sound intensity, sound pressure, vibration acceleration and corresponding time-frequency spectrum of 6480 driver axle surface were measured and analysed.
通过对6480型驱动桥的噪声功率、表面声强、表面声压、表面振动加速度以及相应的时频谱进行了全面、系统的测量和分析。
From the differences of the vibration acceleration signal power spectrum, the cylinder clearance can be diagnosed, so that whether the engine may be repaired or not can be determined.
根据不同的振动加速度功率谱,可以诊断出气缸壁间隙值以确定柴油机是否需要修理。
Finally, earthquake force based on maximum site acceleration and response spectrum to different design criterion for different type of site was determined.
最后,根据反应的结果提出不同类型场地的各设防水准的地震影响系数。
Finally, earthquake force based on maximum site acceleration and response spectrum to different design criterion for different type of site was determined.
最后,根据反应的结果提出不同类型场地的各设防水准的地震影响系数。
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