Fourier spectrum是什么意思

网络释义

用法例句

The remote testing of the Shaft-Rate Electric Field of the Ship in the real ocean is a difficult task,this paper put forward a weak signal processing method based on the diagonal slice of FS polyspectra,and by using this method the characteristic signal can be extracted effectively from the experiment data of low SNR.

针对在实际海洋中对舰船轴频电场进行远程探测的问题,文中采用了一种基于高阶FS谱对角切片的微弱信号处理技术,通过该方法能简单有效地将微弱轴频电场信号从低信噪比的实测数据中分离出来。

On account of moire interfere technology, moire stripe produced by doublegrating has been analyzed by use of the Fourier frequency analysis method.

基于莫尔条纹干涉技术，利用傅里叶频谱的分析方法，对相位物体的测试系统进行了设计，导出了不同光强分布对应的莫尔条纹方程及光强度分布公式。

The author of this paper, based on moire interfere technology and by using Fourier frequency analysis method, designed phase object measurement system, successfully derived Moire stripe equation corresponding different distribution of light strength of the light and also obtanied optimum distance between two-gratings of phase object measurement system.

基于莫尔条纹干涉技术,采用傅里叶频谱的分析方法,设计了相位测试系统,导出了不同光强分布对应的莫尔条效方程及光强度分布,给出了相位物体测试系统中两光栅之间的最佳距离。

Method to Test the Weak Shaft-rate Electric Field of the Ship Based on the Diagonal Slice of FS Polyspectra

基于高阶FS谱对角切片的舰船轴频电场微弱信号检测方法

Fault Diagnosis of Missile Structure Based on FFT-FS Spectrum Zooming Technique

基于FFT-FS频谱细化的导弹结构故障判断

Application of fracturing technology in the abnormal high temperature reservoir of the well FS-3

FS-3井异常高温储层压裂改造技术

As one high order spectrum estimation, bispectrum estimation is widely used.

双谱估计是一种应用广泛的高阶谱估计。

Higher Order Singular Spectrum Analysis of EEG Based on Wavelet Transform

基于小波变换的脑电高阶奇异谱分析

Application of Higher-Order Spectra to the Analysis of Pulse Signals;

高阶谱估计在脉象信号分析中的应用

Slice Wigner higher order moment spectrum in mechanical fault diagnosis

切片Wigner高阶矩谱在故障诊断中的应用

Investigation on the Early-age Cracking of Artificial Sand HPC with FS/FP Composite Mineral Admixture;

FS/FP复合掺合料机制砂高性能混凝土抗裂性能研究

Research on Multi-resource Separation of Ship Noise Based on High-order Spectrum and Cyclic Spectrum;

基于高阶谱和循环谱的舰船噪声多源特征分离研究

Fractional Spectrum and High-order Spectrum Estimation Technology and Its Application Research in Seismic Reservoir Prediction;

分数谱与高阶谱估计技术在地震储层预测中的应用研究

Modal Analysis of Long Span Suspension Bridges Under Wind-Induced vibration based on HOS

基于高阶谱的大跨悬索桥风致振动模态分析

The Application of Higher-Order Cepstra to the Analysis of Human Pulse Signals;

高阶倒谱估计在脉象信号分析中的应用

The Application Research of Higher-Order Spectra to the Analysis of Pulse Signals;

高阶谱估计在中医脉象信号分析中的应用研究

Analysis of High-order Spectrum and Its Application in Seismic Exploration;

信号高阶谱分析及在地震勘探中的应用

Feature extraction of concrete material's AEmeasuring based on high-order spectrum

基于高阶谱的混凝土材料断裂声发射特征提取

Focusing model for generating 3-D freak waves based on HOS method

高阶谱方法建立三维畸形波聚焦模拟模型

Uniform Record Card [FS 7A]

制服记录表〔fs 7A〕

Call Card [FS 273]

到访记录〔fs 273〕