| 1. | Influence from the method of handling flexibility and instability upon the tendency of economics studies
处理易变性与非平稳性方法的突破对经济学研究趋向的影响 |
| 2. | Unstable random process was passed test to time list error . aiming error was confirmed on unstable random process
对方位测量在试验时间段内，进行了非平稳性检验，证实了瞄准误差属于非平稳性的。 |
| 3. | Speech signal , carrying a large amount of information , is so complex with the character of non - stationary and time - varying
携带着大量信息的语音信号本身是非常复杂的,并且具有非平稳性、时变性等特征。 |
| 4. | But gas valve is one of the key parts in reciprocating compressor , which has often broken down with highest ratio and its exhibit non - stationary signals
而气阀是往复式压缩机的关键部件,也是故障率最高的部件,并且振动信号具有较强的非平稳性。 |
| 5. | For the nonstationarity of the signal in field , eigenvector of fault is computed with newly advanced wavelet analysis , as the preprocessing in diagnosis procedure
考虑到现场中信号的非平稳性，采用新发展的小波分析工具，提取故障的特征向量，作为诊断过程的预处理。 |
| 6. | In fact , energy time series is unstationary and non - linear . the unstationarity and non - linearity in the energy time series makes the traditional modeling method of energy demand challenged
事实上，能源时间序列数据存在着非平稳性和非线性，使得传统的能源需求建模方法受到了挑战。 |
| 7. | The time and spectrum analysis technology that based on wavelet transform becomes a important tool in the analysis of non - stationary signal , and replaces fourier transform in practice
以小波变换为基础的时频分析技术成了非平稳性信号的重要分析工具，在很多实际应用中已取代了傅里叶变换的分析方法。 |
| 8. | And according to analysis of the elements of the reciprocating compressor gas valve and the characteristics of the vibration , summarized the characteristic of the signal of the gas valve is non - stationary
并且通过对往复式压缩机气阀的工作原理及振动特性的分析研究,总结出了往复式压缩机气阀振动信号具有非平稳性。 |
| 9. | Then methods of traffic flow prediction used now are analyzed . because of the nonstationary and nonlinear properties of sttf , the methods presented until now are not good for sttf prediction
然后概要的总结了现有的一些交通流量预测方法，发现由于短时交通流( sttf )的非平稳性和突发性，大大的降低了这些传统流量预测方法的适用性。 |
| 10. | Based on above research , a computer program has been developed for the random vibration analysis . the program is highly efficient and can deal with the influence of traveling wave effect and nonstationary seismic excitation
该程序可高效地对大型网壳进行多维随机响应分析，并可精确考虑行波效应和地震激励的非平稳性，其实用性很强。 |
