frequency domain analysis的例句大全

Based on FFT analysis, the shielding effectiveness of the metal enclosure in frequency domain is also investigated.

基于快速傅里叶变换（FFT）本文还对带孔金属盒的强瞬态电场频域屏蔽效能进行了分析。

Yamamoto presented a frequency domain decomposition method called Coarse Graining Spectral Analysis ( CGSA).

因此有人根据1／f成份的特点提出了所谓粗粒化谱分析的频域分解方法。

Characteristics Analysis on Vibration Signal of Twist Drill Wear in Time and Frequency Domain

麻花钻磨损振动信号的时域与频域特征分析

The classical signal analysis method is Fourier transformation, whose essence is to decompose the signal wave into many sine waves, and which also can be seen as representation of time function in frequency domain.

傅里叶（Fourier）变换是经典的信号分析方法，其实质是：把波形分解成许多不同频率的正弦波之和，可看作是时间函数在频率域上的表示。

Here, secondary treatment methods are introduced in detail, include time domain signal statistics character, frequency analysis fast Fourier transform ( FFT), and short time Fourier transform ( STFT).

这里，主要对二次处理的方法作了详细的介绍，包括时域信号的统计特征，频域分析的傅立叶变换和短时傅立叶变换。

There are certain limitations in the analysis of frequency domain mode or the method based on theory of time domain waveform.

频域模式化分析或时域波形理论等方法在实现与应用上存在一定局限性。

During the study of outer-loop optimal control, three different weight coefficients are chosen, for example, comfortable mode, typical mode and hard mode. By the simulation analysis of frequency domain, it also shows the compromise.

在外环最优控制算法的研究中，选取了三种不同的权重系数，分别为舒适型、一般型和操控型，通过频域内的仿真分析进一步表明了悬架系统的折衷性。

The time-domain equivalent edge current ( TD-EEC) method is derived from the Fourier inversion of the frequency domain equivalent edge current expression and applied to the transient scattering analysis.

通过对频域等效边缘电流的表达式进行傅里叶逆变换，可得到时域等效边缘电流的表达式，并将其应用于瞬态散射的分析。

A survey to the analysis and design of multivariable control systems in frequency domain

多变量控制系统频域分析和设计的综述

Recent developments of multivariable control system analysis and design methods in frequency domain are introduced.

本文介绍了多变量系统频域分析和设计方法的一些最新发展。

Time domain coupled dynamic analysis method is used to calculate the dynamic behavior of tanker point mooring system, fully considering viscous effects, nonlinear second-order low frequency load, and dynamic characteristics of the mooring lines. Fatigue of the mooring lines is checked.

采用耦合的时域动态分析方法，充分考虑粘性作用、非线性的二阶低频载荷、系泊缆的动力特性等，对油轮的单点系泊系统进行动力响应分析，并对锚索进行疲劳校核。

With the FFT analysis it is analyzed that the pressure surge changing laws in the taper pipe and draft tube in time domain and frequency domain.

通过水压力脉动数据的FFT频谱分析，研究了直锥段和尾水管内部在不同位置不同工况下的压力脉动在时域及频域上的变化规律。

based on modulation domain analysis, a frequency modulation parameter testing method is proposed.

基于调制域分析，设计了电子产品频率调制参数测试方法。

fast fourier transform is a necessary precondition of digital spectral analysis as the basic computing between the time domain and frequency domain.

快速傅立叶变换（FFT）作为时域和频域转换的基本运算，是数字谱分析的必要前提。

sensitivity analysis of nonideal switched-capacitor network ( scn) in the frequency domain

非理想开关电容网络（SCN）的频域灵敏度分析

A new operational analysis method named frequency domain decomposition was built based on outputting power spectrum.

在输出功率谱的基础上建立了桥梁运行模态分析方法——频域分解法.

Meyer wavelet by the theory of Multiresolution Analysis and the method of AWM, and the method of construction is normalized and keeps the character of compact support in the domain of frequency, rapid decay and infinite differentiability.

Meyer型小波一般形式构造的具体方法及过程，使构造方法规范化，并保持了它在频域的紧支性及自身的快速衰减和无穷可微的性质。

As the poor performance of traditional methods in resisting noise uncertainty, we propose a modified detection algorithm in frequency domain based on LZC analysis, which is also simulated in MATLAB. 2.

针对传统检测方法对噪声不确定性的抵抗性较差的特点，提出了一种改进的基于频域LZC分析的检测方法，同时进行了MATLAB实验仿真。

On the basis of analysis, this paper puts forward a feature in frequency domain and researches into identification of the velocity of the target ship by the feature frequency fu.

在此基础上，提取了频域特征量，利用特征频率f H进行了目标舰船速度的识别研究。

From analysis the paperthe conclusion that frequency domain polar format algorithm can avoid the error completely.

经推导得出频域极坐标算法从根本上避免了该误差.