Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.
通过对播种机的田间振动频谱分析，得到了它的的振动特征。
According to the result of spectrum analysis of vibration signals, frequency characteristics are acquired and various fault signs are gained.
根据振动信号频谱分析结果，提取频谱特征，获取各种故障征兆信息。
Through frequency spectrum analysis, the causes of sudden vibration of the unit are found out, and confirm that has the feature of oil film vibration, and then is eliminated.
对机组突发性振动的成因进行了频谱分析，确认油膜振荡的振动特征并加以消除。
A method of frequency spectrum analysis is introduced, which be realized by collect the virtual value of appoint frequency vibration through scanning frequency.
介绍了一种用频率扫描抽取指定频率振动分量有效值的方法实现硬件频谱分析的工作原理。
Noise value, noise power, noise voltage, vibration power and amplitude vibration were measured under different cutting parameters of technology and frequency spectrum analysis was also made.
在不同的锯切工艺参数和锯片结构下，测量了噪声值、噪声功率、噪声电压、振动功率和振动幅值，并对其进行频谱分析。
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。
A method of local spectrum analysis is presented to process a bearing vibration signal based on the vibration frequency structure of a deep groove ball bearing.
在深沟球轴承振动频谱结构分析基础上，引入了振动频谱的局部分析方法。
As far as the function of software is concerned, it completes most of general functions in vibration test, such as data acquisition, frequency spectrum analysis, and so on.
仪器功能全面，完成了振动测试中通用的数据采集、频谱分析等功能，并添加了模态分析功能。
The signal analyzing part can complete the following work such as preprocessing, correlation analysis, frequency spectrum analysis and chaos analysis for nonlinear vibration signals.
振动信号分析处理部分可以对信号进行预处理及相关分析、频谱分析和非线性信号的混沌分析等。
The signal analyzing part can complete the following work such as preprocessing, correlation analysis, frequency spectrum analysis and chaos analysis for nonlinear vibration signals.
振动信号分析处理部分可以对信号进行预处理及相关分析、频谱分析和非线性信号的混沌分析等。
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