锤击试验时，要考虑的最重要的事情是什么？
What are some of the most important things to consider when impact testing?
进行锤击试验使用窗函数时，非常小心是极其重要的。
It is extremely important to be very careful when using the exponential window when performing an impact test.
第一，很多双击是由锤击试验的新手或者不熟练人员造成的。
First, many double impacts occur due to new or inexperienced impact testers.
锤击试验另一个比较重要的测试注意事项是关于预触发延迟必要性的。
Another somewhat important test consideration for impact testing relates to the need for pretrigger delay.
为了获得模型的柔度特性、频率、阻尼等进行了脉动试验、自由振动、锤击试验等。
The model was subjected to pulsation, vibration, free vibration and hammering tests in order to investigate its flexibility, frequency and damping characteristics.
典型情况是，要么当进行激振器激励时激励位置固定，要么进行锤击试验时加速度位置固定。
The reference location is typically either the fixed excitation location when performing a shaker excitation or the stationary accelerometer location when performing an impact test.
我希望这有助于解释锤击试验时的某些重要的关心事项。如果你有关于模态分析的任何其他问题，尽管问我好了。
I hope this helps to explain some of the more important concerns when impact testing. If you have any other questions about modal analysis, just ask me.
本文介绍了广州某工程锤击沉管灌注桩动测和静载试验及工程质量事故处理情况。
Introduced the dynamic testing and static bearing test of pour-pile for striking tube which use for GuangZhou Development Zone, quality accident manage.
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.
介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据，并通过有限元模拟与试验验证了其可行性。
The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained.
文章说明了利用瞬态激振，即锤击法，研究燃气轮机振动特性的试验及分析方法。
This paper deals with a testing and analytical method for studying gas turbine vibration characteristics by use of transient excitations, i. e. hammering method.
文章说明了利用瞬态激振，即锤击法，研究燃气轮机振动特性的试验及分析方法。
This paper deals with a testing and analytical method for studying gas turbine vibration characteristics by use of transient excitations, i. e. hammering method.
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