• It is obvious that the asperity size effects on the amplitude spectrum.

    粗糙面的大小振幅影响显著

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  • Starting from the layer absorbing media model, the amplitude spectrum is calculated theoretically.

    视等厚吸收介质模型入手,理论计算地震反射波的振幅

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  • Finally, the effect of striking force and striking point at string on the amplitude spectrum are discussed.

    从理论分析实验研究了钢琴击弦力度钢琴幅度谱的影响

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  • This paper presents computation of the signal's amplitude spectrum and phase spectrum the Fourier transform.

    主要应用傅立叶变换方法计算各种信号振幅相位谱。

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  • Then it studied the pulse waveform distortion from two aspects of the amplitude spectrum and phase spectrum.

    随后脉冲信号幅度相位两个方面研究了脉冲波形失真情况

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  • Amplitude response is one of the main characteristics of multichannel analyzer when measuring amplitude spectrum.

    幅度响应多道分析器测量幅度谱主要特性之一

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  • It is important that signals be reconstructed by making use of amplitude spectrum and partial time-domain sample.

    利用幅度部分时域采样值来重构信号极为重要

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  • A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.

    据此幅值随机相位谱,并包络函数结合合成一个子震时

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  • Used Fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope.

    测井曲线进行付氏变换,纵向分辨率可以分析振幅斜率变化获得

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  • The paper, through analyzing the forming of the amplitude spectrum of the echo, proposed a new method using quadratic curve fitting for it.

    本文针对这种情况,连续波雷达回波频谱幅度产生原因进行分析,提出二次曲线拟合频谱幅度来估计加速度方法

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  • It has the ability of displaying the real time time-wave and amplitude spectrum, recording data, analyzing data and fault diagnosis efficiently.

    实时显示波形频谱数据记录,并有效地进行数据分析故障诊断。

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  • There exist 10 spectra in the source terms of the nonlinear spectra equation, and all the unknown spectrum can be denoted in terms of the amplitude spectrum.

    在这类强迫方程中包含10类内波谱这些最终均可利用内波振幅谱表示。

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  • To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.

    针对一类单幅图像复制遮盖篡改提出一种基于快速傅立叶变换相位幅度自相关检测算法对篡改部位进行检测

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  • The Fourier amplitude spectrum used in a seismological model can be expressed as a product of source spectrum, propagation path factor and site effect in frequency domain.

    内,场地地震动傅立叶幅值谱可以表示震源传播路径影响因子场地效应乘积

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  • This paper describes the calculation method and process of stress amplitude and stress amplitude spectrum to evaluate the safety life time of steel structure for tower crane.

    本文介绍塔式起重机结构安全寿命评估中的应力应力幅系数计算方法过程

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  • The radially averaged log amplitude spectrum of potential field can be modeled by lines with different slopes, which are the depths of the corresponding equivalent source layers.

    信号径向平均对数振幅可以多条斜率不同直线段拟合,直线的斜率相应等效深度

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  • The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal, and their properties are studied in probability space.

    针对粒度仪标定的准确度 ,在概率空间基础上 ,提出尘埃粒子散射信号幅度概率线散射光信号幅度概率谱函数的概念 ,并对谱线概率空间下的性质进行了研究。

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  • By the decomposition of the minimum and maximum phase components, the group of wavelets with the same amplitude spectrum and different phase spectrum could be found in cepstrum domain.

    同态反积是一利用复赛技术提取子和进行子波反褶积方法,它要求频率子波相位正确地展开计算。

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  • The method has good decomposing ability for a single wave, can provide three kinds of shows such as amplitude spectrum, energy curves and PRONY filtered sections, having a strong QC tools.

    方法单波很好的分解能力提供振幅能量曲线PRONY滤波剖面三类显示,并具有强的质控手段

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  • Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.

    使用匹配滤波技术提取振型相位,然后再利用时变滤波进行振幅校正以此分离出基阶振型面波信号。

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  • The signal's amplitude spectrum reveals that there are two main frequency, the higher is the probe signal's dominant frequency and the lower is the testing plane's free vibration frequency.

    频谱分析表明测试信号中含有两个主频,分别对应发射探头的发射主频测试频率(采用ANSYS有限元程序作半空间体模态分析加以验证);

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  • The main contributions of this thesis are summarized as follows: 1 Proposed a method using amplitude spectrum and reflective symmetry of key frames as gait features to recognize test sequence.

    本文主要贡献如下1提出幅值反射对称作为关键特征步态识别算法。

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  • Among the methods for estimating the minimum phase wavelet from its amplitude spectrum, methods of Hilbert-transform, of homomorphy, of zero-phase wavelet and of relaxation-iteration are analysed.

    根据子振幅估算最小位子波已有多种方法,本文用希尔伯特变换同态法、零相位子波法、松弛迭代法等估算最小相位子波,进行了详细的分析

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  • The paper expounds a way to get stress amplitude spectrum of main girders of overhead traveling crane through computer simulation combining virtual prototype technology and computer random simulation.

    本文虚拟样机技术计算机随机模拟方法结合,探讨通过计算机仿真方法获得桥式起重机主梁应力基本途径。

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  • Taking the sphere signal as an example, it is found that the phase spectrum is clearer than the amplitude one in resuming input signal.

    通过一个球形信号进行傅立叶正反变换,发现相位恢复的图形轮廓振幅谱恢复的图形轮廓清晰

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  • Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.

    基于散射机理深入分析了高分辨雷达海杂波幅度分布特性相关特性特性。

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  • The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.

    随后地角回波信号为例,简要分析了杂波模型的幅度分布功率参数的特性。

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  • The same method can be used to analyze the spectrum contents and amplitude of Multiple-bit DRFM.

    可以同样方法分析多位量化drfm频谱含量幅度

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  • The same method can be used to analyze the spectrum contents and amplitude of Multiple-bit DRFM.

    可以同样方法分析多位量化drfm频谱含量幅度

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