The two - order volterra model can be identified with the correlation analysis and frequency - domain analysis when the input is gaussian white noise 通过相关分析、频域分析,采用高斯白噪声输入信号,可以对二阶volterra模型进行辨识。
Based on analytical study of lots of existing methods of detecting current , this paper presents a frequency - domain analysis method , which adapts accomplished by dsp ( digital signals processor ) . simulation results are presented 本论文在研究分析现有各种电流检测方法的基础上,提出了一种适合dsp实现的改进频谱分析方法,并在此基础上建立了一套完整的电流检测电路装置。
In order to design the parameter of error amplifier , the small signal model is derived for arc welding inverter using state - space averaging , and frequency - domain analysis is performed to complete the parameter design 为了设计控制系统中误差放大器的参数,利用状态空间平均法建立了电源系统的低频小信号数学模型,进而利用控制理论中的频域分析法设计了系统的补偿网络,即误差放大器的参数。
In the thesis , a functional software was developed for auto - analyzing the field evoked potential , which can automatically measure the time domain parameters such as the amplitude area latency of population spikes , the slope of excitatory postsynaptic potential and so on , it also can make the frequency - domain analysis 它可以自动、快速地测出海马诱发场电位的时域参数,如:群体峰电位( populationspikes , ps )的幅度、面积、潜伏期以及兴奋性突触后电位( excitatorypostsynapticpotentials , epsp )的斜率等,同时也可以对信号进行频域分析和处理。
The error reasons of low resistance measurement are studied , the theory of removing line resistance error proves to be right with time - domain analysis method and frequency - domain analysis method , and the results proved to be true by the experiment datum with the statistics method 研究了低电阻检测时产生系统误差的原因,分别用时域和复频域两种方法分析了在低电阻检测时消除附加电阻误差的原理;并通过两组实验数据用数理统计的方法验证了附加电阻误差影响已经被消除的结论。
The matlab / simulink software was used to analyze the dynamic characteristics of torque motor . the time - domain and frequency - domain analysis were came out when the parameters of torque motor and magnetic fluid changed . a high speed laser displacement sensor was used to do experiment research on frequency response of torque motor with magnetic fluid and without magnetic fluid 本文对不添加磁流体和添加磁流体的力矩马达数学模型进行了研究,采用matlab / simulink仿真软件,分析了力矩马达及磁流体参数变化时,力矩马达的动态特性,给出了时域和频域分析结果;采用高速激光位移传感器,对不添加磁流体和添加磁流体时,力矩马达的频率响应进行了实验研究,从而对数学模型及仿真方法进行了验证。