主要方法仍然是付立叶变换的方法。
快速付立叶变换(FFT)是对谐波进行检测的有效方法。
Fast Fourier Transform (FFT) is an effective method to detect harmonic.
建立在付立叶光学理论基础上的分析与实验结果是一致的。
The analysis based on theory of Fourier optics is in accordance with the results of experiment.
本文应用富立叶变换与相关技术原理对数据进行了三种方式的处理。
Three types of data processing are performed using Fourier transformation and correlation technique.
它能形象地描述富氏算法的整个过程，使得富立叶变换的物理概念比较清晰。
It can describe the whole process of Fourier algorithm vividly and makes the physical concept of Fourier Transformation more clear.
提出了“基于付立叶变换的快速误差分离方法”，并建立起相应的数学模型。
A rapid error separation method based on Fourier transform "is proposed, and corresponding mathematic model is also established."
用付立叶变换红外光谱仪建立了一套全自动红外探测器相对光谱响应测量系统。
An automatic measuring system for the relative spectral response of IR detectors by using Fourier Transform Infrared (FTIR) Spectrometer bas been developed.
用偏光显微术、平均折射率法和富立叶红外光谱法研究了壳聚糖的溶致液晶行为。
The lyotropic liquid crystalline behavior of a natural macromolecule-chitosan was studied using polarized microscopy, average refractive index method and FTIR.
举例而言，对付立叶分析的理解越深入，我们就更能理解波的运动及图像的技巧。
For example, a deep understanding of Fourier analysis or wavelet can give much different understanding of wave motion or technique of imaging.
本文提出了一种利用离散付立叶反变换(IDFT)技术完成天线的时域近场测量的方法。
This paper describes a new method which USES IDFT (Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna.
用付立叶光学原理，从理论与实践讨论了二维付立叶交换光学系统的空间带宽积的物理意义。
The Spatial -Band width product of 2-D Fourier transform optics system has been discussed dinal in this paper.
根据SPWM的基本原理与付立叶级数理论，建立了SPWM电压型逆变器输出波形的数学模型。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
试验结果表明：付立叶级数滤波法是一种行之有效的方法，并便利于用调制传递函数评价影象质量。
The results show that Fourier Series Smoothing method is not only an efficient method, but also is easy to estimate image quality using modulation transfer function.
采用付立叶谐波分析的方法把气隙磁密分解为空间基波和一系列谐波，进而计算出气隙磁场波形特征系数。
The Fourier analysis method is applied to decompose the air-gap magnetic density into the basic wave and a series of harmonic and wave shape eigen coefficient of air-gap magnetic field are calculated.
利用付立叶逆变换，给出了半正弦脉冲激励下桩顶速度时域响应半解析解。分析了主要参数对响应的影响。
Then, a semi-analytical solution for the velocity response of the pile subjected to a semi-sine wave exciting force was derived by using invert Fourier transform.
本文应用快速付立叶变换（FFT）计算分析了冲击发生器与分压器之间的相互作用对全波波头时间测量的影响。
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).
一个精确的重富立叶级数解析解用于分析四边形自由的点支横观各向异性平行四边形板的自由振动、屈曲和弯曲。
The accurate double Fourier series analytical solutions are obtained for the free vibration, buckling and bending of Point Supported Anisotropic Skew Plates with four free edges.
提出了一种改进的快速付立叶变换(MFFT)的计算方法，在采样的持续时间不是信号周期整数倍的条件下，能够准确地提供此信号中各周期分量的特性。
Anew approach, named Modified Fast Fourier Transform (MFFT), is proposed to analyze the components of a periodic signal when sampling duration is not equal to an integer multiple of the fundamentals.
今天女孩家的没有人，百叶窗拉了下来，一个旧的木头玻璃橱柜立在门外的两个带轮垃圾箱旁边。
The house was empty today, with the blinds down and an old wooden and glass cabinet standing outside beside two wheelie-bins.
作为同在中国女篮的队友，苗立杰表示叶莉正在家里静静等待第一个宝宝的到来。
Miao,who plays alongside Ye on the Chinese women's basketball team, said Yewas quietly expecting the couple's first baby at home。
经过了风吹雨打，房子仍立在那儿，连屋顶和百叶窗都没有裂缝和漏洞。
Proof against wind and weather, the house still stands there without even breaches in the roof of shuttered Windows.
凥这些诡谲通灵、预知未来的叶瓣，凞将立基于展示了斧斤将会落下的案例、已然四散飘零的往昔的预言庋辑成体。
In these sibylline leaves are gathered the scattered prophecies of the past upon the cases in which the axe will fall.
实际上，如果取得联合的局面，叶立庭可能会比莱顿取得更多席位。
In fact, that looks possible provided Mr Ignatieff ends up with more seats than Mr Layton.
最近，叶李的各界朋友参加在上海，苗立杰，活动透露，叶的确已经怀孕。
Recently, Ye Li's circle friends to participate in an activity in Shanghai, Miao Lijie, disclosed that Ye had indeed been pregnant.
研究小组成员叶立克预测，五年内ⅸ我们将会了解牙齿的干细胞是否能使用在生物工程牙齿方面。
Pamela yelick a member of the research team predicts that "we will know whether dental stem cells can be manipulated to bioengineer teeth within five years."
研究小组成员叶立克预测，五年内ⅸ我们将会了解牙齿的干细胞是否能使用在生物工程牙齿方面。
Pamela yelick a member of the research team predicts that "we will know whether dental stem cells can be manipulated to bioengineer teeth within five years."
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