It will set up ar model, analyze power spectrum, and calculate transfer function and delay time, thus several fundamental problems in the research of robot wrist sensor can be solved.
建立了AR模型，分析了功率谱，计算了传递函数和滞后时间，解决了机器人腕力传感器研究中的若干基础性问题。
The spectrum division technique was used for establishing signal model of delay time measurement, and amplitude frequency characteristics of the signal after spectrum division was investigated.
利用频谱相除技术构建了延迟时间测量的信号模型，研究了频谱相除后信号的幅频特性。
Using this model a rotationally resolved spectrum of SF_6 at 20K has been obtained for the first time.
用此模型，首次获得SF_6分子低温条件下（20K）的可转动分辨的吸收光谱和荧光光谱。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
It is proved that the model of wind wave spectra with three parameters is reasonable. At the mean time, it is also proved that the relationship between spectrum parameters and fetch is right.
经过实测数据的验证，证明了三参量谱谱形的合理性，同时也进一步证明了谱参量随风区变化关系的正确性。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
The experimental results demonstrate that the new method can overcome the spectrum deviation and improve the model precision both in time domain and frequency domain.
应用结果表明：该方法可以克服谱峰漂移现象，提高模型在时域和时频域的建模精度。
The experimental results demonstrate that the new method can overcome the spectrum deviation and improve the model precision both in time domain and frequency domain.
应用结果表明：该方法可以克服谱峰漂移现象，提高模型在时域和时频域的建模精度。
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