大学英语词汇短语释义解析及例句 amplitude spectrum
释义：
amplitude spectrum [物] 振幅谱；振幅频谱
例句：
It is obvious that the asperity size effects on the amplitude spectrum.
粗糙面的大小对振幅谱的影响不显著。
Starting from the layer absorbing media model, the amplitude spectrum is calculated theoretically.
从视等厚层状吸收介质模型入手，理论计算了地震反射波的振幅谱。
Finally, the effect of striking force and striking point at string on the amplitude spectrum are discussed.
从理论和谱分析实验研究了钢琴的击弦点及击弦力度对钢琴幅度谱的影响。
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的振幅谱和相位谱。
Then it studied the pulse waveform distortion from two aspects of the amplitude spectrum and phase spectrum.
随后从脉冲信号的幅度谱和相位谱两个方面研究了脉冲波形失真情况。
Amplitude response is one of the main characteristics of multichannel analyzer when measuring amplitude spectrum.
幅度响应是多道分析器测量幅度谱时的主要特性之一。
It is important that signals be reconstructed by making use of amplitude spectrum and partial time-domain sample.
利用幅度谐与部分时域采样值来重构信号是极为重要的。
A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.
据此幅值谱和一个随机相位谱，并与一个时程包络函数结合，合成一个子震时程。
Used Fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope.
对核测井曲线进行付氏变换，其纵向分辨率可以从分析振幅谱斜率变化中获得。
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，对连续波雷达回波频谱幅度产生原因进行分析，提出了二次曲线拟合频谱幅度来估计加速度的方法。
It has the ability of displaying the real time time-wave and amplitude spectrum, recording data, analyzing data and fault diagnosis efficiently.
它能实时显示波形频谱和数据记录，并有效地进行数据分析和故障诊断。
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.
在这类强迫方程的源项中包含了10类内波谱，这些谱最终均可利用内波的振幅谱表示。
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.
针对一类单幅图像的复制遮盖篡改，提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
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.
在频域内，场地的地震动傅立叶幅值谱，可以表示为震源谱、传播路径影响因子和场地效应的乘积。
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.
本文介绍了塔式起重机钢结构安全寿命评估中的应力幅及应力幅谱系数的计算方法和过程。
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.
位场信号的径向平均对数振幅谱可以由多条斜率不同的直线段拟合，直线的斜率即为相应的等效层的深度。
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 ，提出了尘埃粒子散射光信号幅度概率谱线和散射光信号幅度概率谱函数的概念 ，并对谱线在概率空间下的性质进行了研究。
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.
同态反褶积是一种利用复赛谱技术提取子波和进行子波反褶积的方法，它要求在频率域将子波相位正确地展开计算。
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.
此方法对单波有很好的分解能力，能提供振幅谱、能量曲线及PRONY滤波剖面等三类显示，并具有较强的质控手段。
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.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
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与测试面自振频率（采用ANSYS有限元程序作半空间体模态分析加以验证）；
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.
本文的主要贡献如下：1提出了幅值谱和反射对称作为关键帧特征的步态识别算法。
