在此基础上提出一种实用的窗函数频谱峰值搜寻算法。
On this basis, a practical crests searching algorithm of the window .
本文综合运用概率论、代数学、逻辑函数频谱理论等方面的知识,对多输出函数的有关性质与构造进行了研究。
Using the theories of probability, algebra and spectral theory comprehensively, the dissertation investigates the properties and constructions of multi-output functions.
利用相函数的频谱分析求其自功率谱,可以反映它的频率结构。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
最后,利用Matlab软件的作图功能,从自相关函数、频谱函数和模糊函数三个方面对M波形的性能进行了仿真分析。
At last, making use of the plotting function of MATLAB, the paper carries out simulation analysis from three aspects: auto-correlation function, spectrum and fuzzy function.
内置频谱分析仪,模拟测量函数,和功率计。
Built-in spectrum analyzer, analog measurement functions, and power meter.
声频谱包络的特点和音管的传递函数有相应的关系。
The envelope of sound spectrum is related to the transfer function of bore.
该文讨论傅氏变换中的二个时域积分特性,在求解频谱函数中的应用方法,并举例予以说明。
This paper discusses the application methods on solving frequency function and sets examples, in the two integral characters of time domain on Fourier conversion.
为了对图像复原算法频谱恢复特性进行分析和评价,提出了一种基于高斯函数假设的分析新方法。
In order to analyze and evaluate the spectrum restoration property of image restoration algorithms, a new method based on Gaussian function is proposed.
提出用交流分量到直流分量的距离作为加权因子对频谱评价函数进行改进,有效地提高了对焦评价曲线的灵敏度。
We revised frequency spectrum functions by using weighting factor - the distance between direct component and alternating component, and improved the acuity of focus measure curve.
探讨了小孔泄漏气体噪声频谱中某一频段声压级与雷诺数之间的函数关系。
The function relationship between acoustic intensity of eyelet leak noise frequency section and re was discussed.
当入射光束频谱为三角形函数时,我们用计算机计算了透过F - P标准具以后的频谱分布。
In case the spectrum of incident beam is a function of triangular form, we calculated the spectral distribution of transmission through the F-P etalon with a computer.
本文用自回归功率谱方法分析了极移、地球自转和大气激发函数的资料,得到了它们的低频谱。
The data of polar motion, rotation of the earth and atmospheric excitation function are analysed by the Auto-Regression power spectrum method, and their spectra at low frequency band are obtained.
该文对国产DG3型割灌机的振动频谱以及各振源点与手柄间的振动传递函数进行了实验分析。
In this paper, an experimental study on spectra of vibration acceleration and frequency response functions of DG3-brush cutter was carried out.
分析了信号的频谱及相干函数。
The frequency spectrum and the coherent function of the signal were analyzed.
分析表明倒频谱在识别边频及测试系统传递函数的影响方面具有显著的特点。
The analysis indicates that the inverse spectrum has a noticeable feature to distinguish the influence of the side frequency and identify the transfer function of the testing system.
分析表明倒频谱在识别边频及测试系统传递函数的影响方面具有显著的特点。
The analysis indicates that the inverse spectrum has a noticeable feature to distinguish the influence of the side frequency as well as the transfer function in measuring test system.
利用传递函数,得到了平面脉冲声波在传播过程中任意位置处频谱的计算方法,用这种方法可以评价脉冲声波的主频偏移程度。
The formulas for calculating spectrum of plane acoustic pulses are obtained by using transfer function. These formulas can be used to evaluate the shift extent of centroid frequency of pulses.
文中给出了一种利用频谱拟合来准确地求得系统的光学传递函数的方法。
A method for evaluating the optical transfer function (OTF) by the spectrum fitting is also presented.
本文给出了由频谱的相位函数重建原始信号的新方法。
A new method of the original signal reconstruction from phase function of the spectrum is presented in this paper.
本文采用频谱分析的方法,研究了球轴承零斜偏差与其振动响应频谱之间的函数关系。
This paper discusses functional relationship between the component part deviation of bail bearing and it's vibration response spectrum by using the method of spectral analysis.
直接系列扩频通信系统的频谱扩展是借助于扩频函数而实现的,典型的扩频函数就是伪随机序列码。
Spectra expanding of Spread spectrum communication system makes use of the spread spectrum function to realize, the typical spread spectrum function is pseudo random sequence code.
应用振动、噪声信号频谱分析和相干函数分析技术,从理论上说明变速箱故障诊断的依据。
The theory of coherence function and spectrum of vibration and noise signals is applied in gearbox noise analysis in the paper. The basis of fault diagnosis of gearbox is theoretically introduced.
地震动是由于地震引起的地面运动,其时间历程函数表现为具有突变特征的非平稳随机过程,因此更适于利用小波变换进行频谱分析。
The ground motion time function is a kind of time serial signals, which is a highly varying and nonstationary randow procedure and fit for wavelet analysis.
基于孔径接收的对数振幅时间相关函数,结合星地激光下行链路的实际情况,推导了适用于星地下行孔径接收的闪烁频谱表达式。
Based on the temporal covariance of logarithmic amplitude, analytical expression was obtained for aperture receiving power spectrum of atmospheric scintillation of satellite-to-ground downlink.
在热像仪的评价中,采用频谱函数较用传递函数更符合实际情况。
Frequency function is more practical in the evaluation of a thermal image system.
频谱参数的预测公式由各基频下的条件概率密度函数导出,频谱参数的修改通过正弦模型实现。
The spectral parameters were predicted using the conditional probabilistic distribution function based on the pitch and were modified synchronizingly with the pitch using the sinusoidal model.
频谱分析模块主要是对上述信号进行滤波和加窗函数处理,输出处理后的波形,同时进行时域分析、频域分析以及谐波分析。
The function of spectrum analysis is to filter the signals and to add the window function on it, then to output the processed signals. It also analyzes time…
利用MATLAB7.0语言编制脚本文件,对信号调用相应的函数进行各种调制,并且对其进行频谱分析。
By using the language of MATLAB7.0, the function called by signal is processed to all kinds of modulations, and also the frequency...
矩形窗函数是傅立叶变换中的一个典型信号,它在信号频谱理论中占有重要地位。
The single rectangular pulse is a typical signal in Fourier transform, which plays an important role in signal spectrum theory.
矩形窗函数是傅立叶变换中的一个典型信号,它在信号频谱理论中占有重要地位。
The single rectangular pulse is a typical signal in Fourier transform, which plays an important role in signal spectrum theory.
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