通过复频域分析，从理论上提出了一种建立输送管内不可压缩流体动态传送简化模型的方法。
A method based on complex frequency domain analysis is presented for the simplification of the partial differential model of non compressible fluid transportation process.
通过数值计算，分析了土层模量变化、土层饱和度变化以及桩身截面变化对桩顶频域和时域响应曲线的影响。
Through numerical calculation, the influences of the variations of the modulus and degree of saturation of soil layer and cross-section of the pile on the response are analyzed.
方法针对传统数字水印技术的有限性，通过对频域数字水印算法进行分析，提出了一种新的数字水印算法。
Methods Owing to the shortcomings of the traditional digital watermark techniques, analyze the frequency domain watermark algorithm, propose a new digital watermark method.
对于纸页的均匀性分析，通过图像变换，将空间域图像变换到频域或小波域进行分析，获取其特征；
The homogeneity of the sheet is analyzed by image transform, i. e. the spatial domain image is transformed to frequency domain or wavelet domain to obtain the features.
通过对颗粒碰撞压力时间序列的功率谱分析和混沌分析，研究了其频域特性和混沌特征。
To understand the frequency and chaotic characteristics of the particle colliding force, the time series of particle colliding force are analyzed by power spectrum analysis and chaotic theory.
通过原理分析说明，三色光栅具有的多光谱的空域复用、频域分离的结构特点。
In this paper, principle analysis shows that tricolor grating has the character of multi-wave superposed in spatial domain and separated in frequency domain.
通过与风洞试验及抖振频域分析进行比较，验证了结果的可靠性。
By comparing to buffeting analysis in frequency domain, the validity of the present results is proven.
通过从时域和频域的角度分析，考察控制系统的稳定性、过渡响应特性，从而设计出了LQG控制器。
On time-domain and frequency-domain aspects, steady and transient performances of the control system were considered to designing the LQG controller.
通过对测试数据在时域和频域上的分析，得到了人体振动环境的特征。
Through analyzing the data obtained in time and frequency domains, the characteristics of the vibration environment for a wearable computer are figured out.
针对远方列车信号很小，且具有很强的噪声，直接通过时域分析误差较大，因此，采取频域分析方法，获取列车接近时的警报信号的规律，以用于便携式列车接近安全报警系统中。
So by means of the frequency-domain analysis, the character of alarming signal can be deduced and used in the system of portable safety alarming system of train approaching.
通过水压力脉动数据的FFT频谱分析，研究了直锥段和尾水管内部在不同位置不同工况下的压力脉动在时域及频域上的变化规律。
With the FFT analysis it is analyzed that the pressure surge changing laws in the taper pipe and draft tube in time domain and frequency domain.
通过对不同泄漏条件下的系统频域响应图进行对比分析，总结出不同泄漏条件对于频率响应图中最大峰值位置的影响。
The frequency response diagram under different leakage conditions are analysis. The influence of different leakage conditions on the peak value in frequent response diagram is summarized.
通过频域和时域分析，指出阶跃信号和伪随机信号是一类既有差别又有内在联系的测试信号。
By analyzing time and frequency domain response we found out that they have some internal connections with each other, although the test signals are different.
通过时域、频域、熵谱对桩基质量进行综合评价，熵谱是一种新的谱分析方法，并通过实例分析，说明了在评价桩基质量时熵谱的优点。
This paper makes the comprehensive evaluation of the quality of pile foundation through time domain, frequency domain and entropy spectrum, in which spectrum analysis is a new method.
通过分析该算法的性能，并与时域lms算法作比较，证明了频域自适应滤波的lms算法的可行性。
Many properties of this algorithm are analysed as compared with the LMS algorithm of the time-domain adaptive filter. The utility of this algorithm is included.
通过对实验结果的频域分析，证明了其压力波动频率受激波器的控制。
Moreover, the experimental results showed that the periodic controllable hydraulic water hammer wave generated by the system can be used as an exciting force.
通过对实验结果的频域分析，证明了其压力波动频率受激波器的控制。
Moreover, the experimental results showed that the periodic controllable hydraulic water hammer wave generated by the system can be used as an exciting force.
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