Usually these pole extraction methods are poor when the value of the residual corresponding to the pole is small . in order to avoid the disadvantages , the matrix pencil method for the pole extraction of transient responses from multiple look direction is introduced 针对大部分算法由于入射方向的不同而导致目标的某些极点由于留数太小提取不出来的缺点,采用了一种使用多个入射方向瞬态响应的矩阵束法来提取极点。
Using this method , the simulation can be performed with large step ( low order wavelet ) for transient state response , and small step ( high order wavelet ) for steady state response so that the excessive computing time for transient state simulation can be saved 该方法可以对电路瞬态响应过程用大步长（低阶小波）模拟，而对稳态响应过程用小步长（高阶小波）模拟，从而避免了为得到电路稳态响应而在瞬态响应时期花费大量的模拟时间。
The sensor is calibrated , then the relative curve of heat flux vs thermal voltage is determined . moreover , the test of responses of steady state and transient state has been done and the results are compared with predecessors ? results , and proved to be advanced in response speed 在此基础上对薄膜热流计进行了稳态响应测试和瞬态响应测试，并与国外的结果进行了比较，结果表明，该热流计在响应速度方面较快，在灵敏度方面稍低。
The experiment of the transient response of the blade due to bird impact is completed , and the high speed phorographs are analyzed , then the curves about the displacement of blade tip are drew which are helpful for the caculation of bird material parameter 本文开展了平板叶片鸟撞击瞬态响应的试验,对试验中高速摄影照片进行处理和分析并得出试验中叶尖位移的时间历程,为本文的鸟撞击叶片响应中鸟体材料的进一步计算研究提供了依据。
In this paper , a new method for the evaluation of the transient p erformance of such das is proposed by utilizing the sampling data and shorter e quivalen t sampling period , which is derived from input signal period and sampling period 本文介绍了一种方法，通过对其加载特定的周期性输入信号，利用采样周期的整数倍和信号周期的整数倍间的微小偏差，获得比实际采样周期小得多的等效采样周期，从而解决了数据采集系统瞬态响应特性的获取问题。
The mesh data of these two models comes from static and modal finite element analysis respectively , and their load data possesses internal successivity . according to the correlation , finite element models support me parallel and cooperative processing of static , modal and dynamic response analysis 其中的结构瞬态响应有限元分析模型分为两个层次的模型，其网格数据分别来自于静态和模态分析有限元模型，在载荷数据上具备内在继承连续性。
Because of that there is a lowest limit of the sampling rates of each data acquisition system , that is the sampling rate can not be at any value ( especially it can " t be at any high enough ) , one can " t get the transient performance of das sometimes , and it may limits the evaluation of their transient performance 由于采样周期是有下限的，即采集速率不可能无限高，这在实际应用中常常限制了其瞬态响应特性的获得，因而也限制了其传递函数的辨识和评价。
Using the optimization control method of the moderm control theories , the time - varying control and output - feedback control the authors study the variable structure active control over the rotor vibration with sma , especially the method of restraining the transient response of the rotor vibration . they get the rule of the optimum control force and the optimum control electric current and discuss the influence of variable stiffness on the total system stiffness through analyzing the structure of sma controller . they also indicate the shortcoming of the orthodox design method of a controller , especially the imbalance phenomenon caused by the lack of the rod stability , and propose a new method for improvement and items which ought to be paid attention to in the design stage 运用现代控制理论中的最优控制方法，引入时变控制和输出反馈控制，研究利用形状记忆合金对转子振动进行变结构主动控制，特别是抑制转子振动的瞬态响应的方法，得出了最优控制力和控制电流的强度变化规律；通过分析形状记忆合金动作器的结构，探讨了变刚度支承对系统总体刚度的影响，指出了传统设计方法的不足之处，特别是由压杆稳定性不足引起的失稳现象，并提出了改进的方法和在设计中值得注意的问题
But there are some problems in normal turbocharger , for example , the low speed engine torque is deficiency , the engine ca n ' t works with full capacity when in part load , the transient response remains slow , to improve all the above , the variable geometry turbocharger ( vgt ) comes out to be an effective way 由于常规涡轮增压存在低速转矩不足、部分负荷经济性差和瞬态响应迟缓的问题，而采用可变几何截面涡轮增压是解决这些问题比较有效的方案。本文以vgt60增压器和yn4100qbz柴油机为研究对象，开发了可变几何截面增压器电控系统硬件。
In chapter 3 , the non - linear equation was linearized with the jacobi matrix , and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ) . meanwhile , the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ) . the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies 然后,在稳态响应的基础上利用雅各比矩阵对非线性方程进行了线化,线化后的方程利用多桨叶坐标变换转换到固定系下后,利用直接特征值分析(地面、悬停)或floquet理论(前飞)对系统进行了稳定性分析;同时,对系统进行了瞬态响应分析;在系统达到稳态的基础上进行扫频激励,用fft变换求得系统频率,进而用移动矩形窗方法分析得到系统的阻尼。
