amplitude spectrum
英 [ˈæmplɪtjuːd ˈspektrəm]
美 [ˈæmplɪtuːd ˈspektrəm]
网络 幅度谱; 幅度频谱; 幅值谱; 幅值谱图; 振幅频谱
双语例句
- It was a much better day weather-wise
论天气，这天要好得多。 - The Recognition of Chinese Characters Using Black Pel Density for Preliminary Classification and Amplitude Spectrum of Projection Profiles
用笔划密度预分类与轮廓投影辐值谱识别汉字 - In DFRNT domain, high amplitude spectrum ( HAS) and low amplitude spectrum ( LAS) components carry different information of original images.
在离散分数随机变换域，高、低振幅部分携带了原始图像的不同信息。 - Research of Calibration System of Electronic Transformers Based on Amplitude Spectrum Correction
基于幅值谱频谱校正的电子式互感器校验方法 - A Study on the Relationship between Turbulence Power Spectrum and Stochastic Fourier Amplitude Spectrum
脉动风速功率谱与随机Fourier幅值谱的关系研究 - 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。 - Fifthly, this paper gives a Digital filter method by using the Viterbi algorithm, and discusses the ways of Feature extraction of signals and the Scalar quantization technology of amplitude spectrum vectors.
应用HMM中的Viterbi算法进行信号的数值滤波处理，讨论了振动信号的特征提取方法，以及幅值谱矢量的标量量化技术，最后提出了机床切削过程中的ANN-HMM混合模型颤振预报方法。 - The amplitude spectrum is suitable for total fracture distribution because of its better detection results for strong amplitude variation.
振幅谱对于引起振幅剧烈变化的裂缝检测效果好，有利于检测整体裂缝的分布。 - The optimal inversion interval can be determined by doing an amplitude spectrum analysis of △ T anomaly.
可通过对△T异常作报幅谱分析确定最佳反演点距； - We can obtain the frequency amplitude spectrum property and energy distribution property of air velocity in frequency domain, the correlation property on time and space, the rule of eddy, etc.
用它可以求得气流速度任频域内的频幅谱特性、能量分布特性、以及时间与空间上的相关特性和涡旋尺度等。 - Frequency domain analysis includes amplitude spectrum, phase spectrum, power spectrum, FFT, add windows and filter.
频域分析包含：幅值谱、相位谱、功率谱、FFT变换、加窗、滤波等。 - This paper puts forward the definition of Wavelet Amplitude Spectrum ( WAS) and gives its expression in frequency domain, then solves the linear relation between the WAS frequency in frequency domain and Fourier frequency.
本文提出了小波振幅谱的定义，给出了其在频域的表达式及频域周期与Fourier周期之间的线性关系。 - This paper studied the effect of striking point and dynamics at string on the amplitude spectrum of a piano from theory and spectrum analysis experiment.
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。 - In frequency region: the influence of thin film parameters on Fourier amplitude spectrum and phase spectrum were discussed as well.
在频率域：讨论了薄膜参量对激光感生电压信号的傅立叶变换幅值谱和相位谱的影响。 - According to the theory of discrete inversion, an accurate method of seismic wavelet extraction was proposed by using well log data and seismic data. The features of amplitude spectrum and phase spectrum of seismic wavelet were considered in the method.
根据离散反演理论，综合测井和地震资料，充分考虑了地震子波的振幅特点和相位特点，给出了精确计算井旁地震子波的方法。 - 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。 - 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。 - 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。 - The wavelets with the same amplitude spectrum and different phase spectrums are correspondent to different maximum-and minimum-phase components respectively.
相同振幅谱、不同相位谱的地震子波分别对应不同的最大和最小相位分量。 - Correction of amplitude spectrum is a method used to eliminate the inconsistency in seismic data.
振幅谱校正是消除地震资料中非一致性的一种方法。 - For the multicarrier signals consisting of a number of cosine functions with equal amplitudes and equally spaced frequencies, their upper bound on crest factor, which depends on the amplitude spectrum of a complex series formed from the initial phases of a multicarrier signal is derived.
针对具有相同幅度和等频率间隔的许多余弦函数组成的多载波信号，本文首先对它们的峰值因子上界进行了推导，得出它取决于由多载波信号初始相位组成的复序列的幅度谱。 - 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。 - When a signal is in minimum phase, its amplitude spectrum and phase spectrum will satisfy Hilbert transform condition.
当一个信号为最小相位时，其振幅谱和相位谱符合希尔伯特变换关系。 - The amplitude spectrum of the wide-angle reflection is stable relatively;
广角反射波的振幅谱相对稳定； - On the basis of the digital seismographic record of Changchun seismic station, the amplitude spectrum in different epicentral distance was calculated and the amplitude frequency characteristic of the main seismic phase was analysed preliminarily in this paper.
依据长春地震台数字测震资料，计算了不同震中距地震波形的振幅谱，并对主要震相的频率特性进行了初步分析。 - α can be calculated using the ratio of n-time-reflection amplitude spectrum to transmission amplitude spectrum.
用n次回波的振幅谱和透射波振幅谱的比值求出α的方法； - 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。 - Through the discrete Fourier transform or complex wavelet transform seismic data from time domain to frequency domain, conversion amplitude spectrum has been calculated to explain the staff not only from the profile, but also from the plane to see the characteristics of thin-layer interference.
通过离散傅里叶变换或复小波变换将地震数据由时间域转换到频率域，转换后计算得到振幅谱，解释人员不但能从剖面上，而且能从平面上看到薄层干涉特征。 - The amplitude spectrum can identify temporal bed thickness variability, and the phase spectrum can detect lateral geological discontinuities.
振幅谱可以识别地层的时间厚度变化，相位谱可以检测地质体横向上的不连续性。 - We remove the spikes in the amplitude spectrum by median filter and thereby suppress the periodical background.
该算法利用中值滤波器，将幅度谱中的尖刺结构去除，从而实现了抑制重复出现的背景。