frequency chart meaning in English
次数图
频率图
频数图表
Examples
- 2 . we can unite time field with frequency to describe time - frequency characteristic of signal and compose time - frequency chart of signal
应用小波理论能将时域和频域结合起来描述观察信号的时频联合特征，构成信号的时频谱。 - By processing real - time digital analog fault vibration signal and adopting minimum quadric multiplication and rectangle function , correct frequency chart will be gained . thus , the system design based on advanced dsp can be applied to the real - time fault diagnosis of rolling bearing in modern high - speed train
通过对采集的模拟的有故障振动信号进行在线实时数字信号处理，并在信号分析方面采用了最小二乘法及加窗函数，以获得正确的频谱，通过信号处理，并进行结果比对，进而可证明此系统在高速列车转向架滚动轴承在线诊断中应用的可行性。 - The rubber insert ' s mechanical and physical performances and machining mechanism , particularly the dynamic mechanics frequency chart and the equivalent principle of time and temperature , are analyzed in chapter 6 . the series tools of machining rubber inserts are researched and manufactured . reasonable technology parameters , and measures for exaltation machining efficiency and quantity are determined by test
第六章分析了防中子橡胶内衬的物理机械性能，尤其是动态力学性能频率谱和时温等效原理；研究了橡胶材料的加工机理：研制了橡胶内衬加工的系列刀具，进行了加工工艺参数优化；提出了提高加工质量和效率的工艺措施。