The results expresses that the performance of the new value is better comparing with the old one , especially in the following aspects : working stability , controlling pressure , and synchronization 结果表明，该新型平衡阀在工作平稳性、控制压力以及双缸同步性等方面明显优于原阀。
It is stated the software and hardware system of the train longitudinal impact detector as well as the method to use " fall - stick " to evaluate the driver ' s operation stability 摘要主要叙述了列车综向冲击检测仪的软、硬件系统以及目前铁路系统应用“倒棒”装置来评定司机操作平稳性的方法。
We extend the synchronization algorithms for ofdm systems to mimo - ofdm systems , and introduce a synchronization algorithm for mimo - ofdm systems based on cyclostationarity 将单收发天线下ofdm系统的同步算法推广到多输入多输出( mimo )情况。提出一种基于循环平稳性的mimo - ofdm通信系统同步算法。
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。
It is analyzed that the algorithms of direction finding using signals " cyclostationarity have improved the property of direction finding on the aspects of signal selectivity , resolution and overload ability 分析了基于信号循环平稳性的几种doa估计算法在信号的选择性、分辨率、过载能力等方面的性能。
A skf bearting of germany of a superior performance is adopted in the host machine , which can improve the service efficiency of it , reduce the abrasion and also be favo rable to add the stationarity of meshing 主机采用性能优良的德国skf轴承，更好的提升了主机的使用效率，减少磨损，并且有利于增加齿合的平稳性。
During the simulation of the secondary lateral suspensions for the high speed passenger vehicle with no - bolster bogie , the effective using semi - active control to improve the ride comfort are studied 通过对采用无摇枕转向架的高速客车悬挂系统横向模型的仿真实验，研究了半主动阻尼控制改善车辆运行平稳性的有效性。
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。
Spiral bevel and hypoid gears have been widely used in the transmission system of automobile as one of the key parts . their working performance will greatly affect the running quality of automobile 弧齿锥齿轮和准双曲面齿轮(以下简称锥齿轮)广泛用于车辆传动中，锥齿轮的传动噪声以及平稳性是影响整车性能的重要因素。
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。
