• 傅里分析将声音分解正弦波数学方法

    Fourier analysis is the mathematical method used to break sounds down into sine waves.

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  • 红外光谱作为一种信号功率谱,分析研究

    The fractal characteristics for the Infrared Spectra have been studied by the Fourier analysis and fractal method.

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  • 并用傅里分析方法导出正确结论,且实验现象完全符合。

    By means of Fourier analysis, a correct result is derived which fits well with the experimental results.

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  • 本文评述葡萄分析营养诊断技术及其葡萄施肥中的具体应用

    Leaf analysis technique and its application in grape fertilization were summarized in this paper.

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  • 通过比较分析分析能量守恒公式,提出了小波能量谱概念

    The conception of wavelet energy spectrum (WES) is posed by comparing the conservation of total energy in harmonic analysis, power spectrum analysis and wavelet transform.

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  • 本文采用一种新的分析技术算术傅里变换(aft)计算dft

    In this paper, a new Fourier analysis technique called the arithmetic Fourier transform (AFT) is used to compute DFT.

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  • 传统傅里叶分析由于时域不能局部化,难以精确检测到信号发生突变的时间

    Conventional Fourier transform can 't localize in time field, so it can' t inspect signal 's break time accurately.

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  • 举例而言,对付立分析理解深入,我们就理解运动图像技巧

    For example, a deep understanding of Fourier analysis or wavelet can give much different understanding of wave motion or technique of imaging.

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  • 提出基于滤波法的干涉条纹预处理方法,并将其应用载波傅里叶分析

    A new fringe-pattern preprocessing based on median spin filter is proposed to deal with the interferogram with high-level noise.

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  • 这种类似地震声音通过修改基于对称傅里分析理论生成函数频率信息而生成的。

    In our new method, an earthquakelike sound is generated by modifying the frequency information of a generating function based on the symmetric Fourier analysis theory.

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  • 这些仿真信号进行短时傅里分析相应最大频率平均频率频谱宽度曲线。

    The relative waveforms, such as maximum frequency, mean frequency and bandwidth, were obtained using the short time Fourier analysis of those simulated signals.

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  • 结果表明虚拟激励汽车随机振动分析中的应用傅里分析方法同样有效简单得

    The results show that in application to vehicle random vibration analysis, pseudo excitation method is as effective as Fourier analysis method but much simpler.

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  • 比较结果表明,用空间分析识别托卡马克中的MHD扰动模式一种可以行之有效方法

    The simulation results indicate that the spatial Fourier analysis is a better method to determine the MHD perturbation mode in tokamak.

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  • 由于全息干涉测量中引入载波条纹,所以能够方便地应用傅里分析方法分析计算干涉条纹动态变化

    With the introduction of carrier fringes in digital holographic interferometry, Fourier analysis method was used to analyze interference patterns and calculate their dynamic changes conveniently.

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  • 传统分析基础上给出了一种实时傅里叶分析方法,并针对DSP控制系统运用滑窗迭代计算方法。

    Real time Fourier analysis is introduced on the basis of traditional Fourier analysis. APF USES a slippage iterative calculation method to suit DSP control system.

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  • 傅里分析使用无限重复正弦波不同,小波常常不规则非对称的,随着中心点越来越远,其数值逐渐靠近

    Unlike the sinusoidal, endlessly repeating waves used in Fourier analysis, wavelets are often irregular and asymmetric, with values that die out to zero as they move farther from a central point.

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  • 系统理论,付里分析付里变换工具使我们能够线性时不变系统在正弦激励下响应进行分析比如一个电路对正弦输入下的响应。

    In the theory of the system, the tools of Fourier analysis or Fourier transform enable us to analyze the response of a LTI system, such as a circuit, to such sinusoidal inputs.

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  • 较早研究不同的是,格列格雷运用统计学一种方法——斯过滤分析

    Unlike earlier studies, Gregory used a branch of statistics called Bayesian analysis.

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  • 采用数值分析模型实验结合方法水轮机导水部件进行分析研究

    The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.

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  • 网络因果关系图形式表达变量间相互关系实现复杂系统故障模式效应分析

    Variable correlation is expressed with consequence graph in Bayesian Networks (BN), analysis of failure mode and effect of complex system is realized.

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  • 本文应用快速付立变换FFT)计算分析冲击发生器分压器之间的相互作用全波波时间测量影响

    This paper deals with the influence of impulse generating and measuring system on the measurement of lightning impulse front time by Fast Fourier Transformation (FFT).

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  • 本文结合分步傅里方法信号分析求解复杂非线性薛定谔方程(NLSE)。

    This paper will use small signal analysis and split-step Fourier to solve the complex nonlinear Schrodinger equation (NLSE).

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  • 根据统计分析估计结果建议强度等级C20和C30再生混凝土抗压强度标准值标准差的取值。

    Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.

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  • 所有病人术前超声测定的甲状腺体积手术切口长度进行分析

    Both ultrasonic preoperative thyroid lobe volumes and the operative incision lengths were analyzed in all patients.

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  • 先进分析用于检测方程

    Advanced Bayesian analysis used to detect equations.

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  • 对其通过自由空间付里变换系统特殊情况传输作了分析和讨论。

    Free space propagation and Fourier transfer system are also analyzed and discussed as particular cases.

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  • 利用级数对其进行频谱分析计算次数小于19次各次谐波电流均方根值的频谱数据。

    Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.

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  • 利用CFD软件分别对前后向旋涡风机单个进行分析得到前向和后向轮单个道的压力性能差异。

    Use CFD software, the area of flow channel for forward skewed and backward skewed impeller was analyzed, and the differences in the performance of pressure between them was got.

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  • 本文介绍利用变形椭球体理论花岗岩组构(线理)进行应变分析方法

    This paper introduces the method for a strain analysis of the fabric (foliation and lineation) of granite by using the theory of the strain ellipsoid.

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  • 本文介绍利用变形椭球体理论花岗岩组构(线理)进行应变分析方法

    This paper introduces the method for a strain analysis of the fabric (foliation and lineation) of granite by using the theory of the strain ellipsoid.

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