The frequency performances and dc-offset rejection abilities of several typical variable-window algorithms are evaluated and compared based on the frequency-response analysis method.
采用频率响应特性分析方法,对典型变数据窗阻抗算法的频域特性以及滤除非周期分量的能力进行了综合比较和分析。
The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given.
理论上基于载流子消耗机制,对激光器型波长转换器进行了小信号分析,给出了频率响应函数。
Although this handbook stresses DC measurements, an analysis of noise and instrument response speed requires a brief discussion of time and frequency relationships in electronic circuits.
虽然本书的重点是直流测量,但是要分析噪声和仪器响应速度的问题,就需要简单地讨论一下电子电路中时间和频率的关系。
The curves of its amplitude frequency response have some nonlinear features, such as inclination and jump phenomena of the curves , which coincide with the theoretic analysis.
参激横摇幅频响应曲线具有某些非线性特征,如曲线的倾斜和跳跃现象,这与理论分析是一致的。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
在对时域和频域数据分析的基础上,论述了旋转失速和喘振状态下叶片振动响应的特征。
We can get frequency response, power spectrum density (PSD), modal coordinates, etc. by modal analysis module of ADAMS.
利用ADAMS做模态分析,可以求得频率响应、功率谱密度(PSD)、模态坐标等信息。
The creation and solution of dynamic equations and problems concerning input characteristics, transient angular frequency and analysis of amplitude response are described.
文中阐述了动力学方程的建立和求解、系统输入特性和瞬态角频、振幅响应分析等问题。
The frequency response of the transducers is measured experimentally using laser ultrasound and a pulse echo reflecting method. The spectral analysis results are compared and analyzed.
由激光超声方法和自发自收脉冲反射法实验测定了所制作的换能器的频率响应,并比较了频谱分析结果。
The current widely used methods of seismic response analysis for soil layers in engineering are equivalent linearization frequency domain method which is based on FFT and iterative method.
工程上广泛应用的现行土层地震反应分析方法即为借助快速傅里叶变换和迭代法的等效线性化频域方法。
It is shown that important information about human response can be obtained from a frequency domain analysis.
研究表明通过频率域分析可以得到有关人体响应的重要信息。
As mentioned above, three parameter VFD model can characterize the viscoelasticity of solid propellant. Applied it to SRM dynamic analysis, time and frequency domain response can be calculated.
综上所述,三参数VFD模型能够很好的反映推进剂的粘弹特性,将它用于固体发动机动力学分析,可以得到药柱在时域和频域内的动态响应。
The power spectral density function of earthquake motion is usually used for the random response analysis of engineering structures in the frequency domain.
工程结构的随机地震反应分析,常在频域中用到地震动的功率谱密度函数。
In the analysis resonant frequency, modal loss factor and harmonic response of structures are studied.
在分析中分别针对结构的固有频率、模态损耗因子以及简谐响应进行了研究。
The amplitude frequency response curves and their frequency properties of the parametric resonances are investigated by using the method of numerical analysis.
用数值方法分析了各种参数共振的响应曲线,其存在区域以及响应频率与脉动流频率之间的关系。
Frequency response characteristics of vertical cavity semiconductor optical amplifiers (VCSOAs) are investigated by utilizing small signal analysis method.
从速率方程出发,利用小信号分析方法对垂直腔半导体光放大器(VCSOA)的频率响应特性进行了研究。
The FEA(finite elements analysis) model is established for coach monocoque frame. The analysis on static, mode, frequency response and fatigue life are carried on.
建立全承载客车骨架的有限元壳单元模型,分析其静力、模态、频率响应和疲劳寿命。
The frequency response analysis has been widely used as a simple and effective detecting method in many countries besides China.
频率响应法作为变压器绕组变形检测的一种有效而简单的方法,在国内外己得到推广使用。
OBJECTIVE To study the principle of dynamic response frequency in piezoelectric coagulation and (establish) a new method for endpoint determination of the analysis.
目的探讨体外凝血反应引起压电传感器频率变化的规律,建立压电凝血终点判断模型。
A method of time field analysis in continuous system is adopted to study the output characteristic and the frequency response of switch type capacitor filter.
为了研究开关式电容滤波器的输出特性和频率响应,采用了连续系统时域分析方法,建立了滤波器的输出特性模型和频率响应模型,并进行了仿真。
The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
采用试验模态分析和理论模态分析相结合的方法,研究了齿轮系统的固有特性和动力响应。
Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop (PLL).
然后介绍了锁相环(PLL)的基本结构、相位模型、频率响应、噪声及杂散性能。
As an example, a resonant loop is composed of forward differential FDNR circuit. The experiments show that the characteristics of its frequency response coincide with the theoretical analysis.
作为文中的一个例子,用FD - FDNR电路组成一个谐振回路,实验表明其频响特性与理论分析相一致。
Then the dynamic performance and the harmony response analysis are completed by means of finite element analysis, the resonance frequency range of system and other dynamic features are found.
然后在此基础上进行谐响应分析,得到系统的共振频率范围及其它动态特征。
The program, which is coded in c, puts time and frequency domain analysis, graph display and plotting together into one integral unit, capable of analyzing and studying any kinds of partial response.
该程序用C语言编程,将时域一频域分析、绘图、打印结合为一体,可对各种类型的部分响应进行分析研究。
The paper makes a theoretical analysis of the speed frequency response function excited by the tread and flange of the resilient wheel.
文中对弹性车轮踏面、轮缘激励下的速度频响函数进行了理论分析。
Analysis of harmonic response found out the peak frequency of the joint possible to resonate and the stress and strain under peak frequency.
谐响应分析主要是研究联轴器的幅频响应特性,分析其可能的共振峰值频率以及峰值频率下的应力应变情况。
In this paper, the frequency response functions obtained by using these two methods are first compared through analysis of non-linear mooring system.
本文通过对锚泊非线性水动力系统进行分析,首次将两种方法取得的频率响应函数结果进行对比。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
通过频谱分析,考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响,并与壁面对固体颗粒运动的影响进行了比较。
The basic structure, amplitude frequency response characteristics and ballistic deficit effect of the algorithm were studied with both theoretical analysis and computer simulation methods.
采用理论推导,结合数值模拟的方法,分析了梯形成形算法的基本结构、幅频特性以及弹道亏损。
Based on the analysis of frequency response of DFT filter bank, the cause of ICI in OFDM systems in analyzed. A mathematic model is setup in frequency domain, and the CIR formula is obtained.
根据DF T滤波器组的频域响应,分析了OFDM系统ici产生的原因,在此基础上建立了ICI的频域上的数学模型,得到CIR公式。
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