该方法采用少量FCPR信号子脉冲对目标频域响应进行采样,即可提取目标高分辨距离像信息。
Target frequency domain response is sampled with only a few FCPR sub-pulses, from which target high resolution range information is reconstructed exactly.
通过对不同泄漏条件下的系统频域响应图进行对比分析,总结出不同泄漏条件对于频率响应图中最大峰值位置的影响。
The frequency response diagram under different leakage conditions are analysis. The influence of different leakage conditions on the peak value in frequent response diagram is summarized.
基于双衰信道的频域响应,提出了一类双衰信道下多天线正交频分复用(MIMO-OFDM)系统的最优化频域导频设计方案。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
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。
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.
大致说来,在频域内有一个区域,在这个区域内用很小的力可以引起很大的响应。
Basically, this is a region in frequency where it takes very little force to cause large response.
通过数值计算,分析了土层模量变化、土层饱和度变化以及桩身截面变化对桩顶频域和时域响应曲线的影响。
Through numerical calculation, the influences of the variations of the modulus and degree of saturation of soil layer and cross-section of the pile on the response are analyzed.
运用频域法对线性汽车动力学系统的随机响应进行研究。
The method of frequency domain is used to research the random responses of linear system on vehicle dynamics.
研究了频域内半空间饱和土中单桩在瑞利波作用下的动力响应。
The frequency domain response of single pile embedded in half-space saturated soil and subjected to Rayleigh waves was investigated.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点,从频域上表达了其多径衰落信道模型;
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
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。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
首先,本文应用高阶边界元数值程序在时域内求解开敝水域中固定圆柱的运动响应和受力大小,并与频域计算结果进行对比,结果符合良好。
First of all, the response and force on a fixed cylinder in open sea can be solved using the numerical program in time domain, the result fits in with the frequency value well.
同时还给出了一个在频域内计算脉冲响应系数的简便方法。
A simple and convenient method is also given for computing impulse response coefficients in frequency domain.
传统的阵风响应主要在频域内进行分析,气动载荷基于线性方法计算,不能考虑黏性和跨声速流动影响。
Traditional gust responses are mainly analyzed based on linear aerodynamic load calculations in frequency-domain, which is unsuitable for and the viscous and transonic flows.
该相位信息需从频域分析得出。 本文应用摄动理论推导了到二阶的锚泊线张力响应函数。
The first and second order frequency response functions obtained were compared with the corresponding theoretical ones.
通过从时域和频域的角度分析,考察控制系统的稳定性、过渡响应特性,从而设计出了LQG控制器。
On time-domain and frequency-domain aspects, steady and transient performances of the control system were considered to designing the LQG controller.
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。
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.
切比雪夫滤波器是一种性能优良的滤波器,由于是在频域上定义其响应特性,从而限制了它的适用性。
Although the Chebyshev filter possesses attractive performances, its applications are limited due to the response properties being defined in the frequency domain.
该算法从频域角度出发,从而将有限冲击响应信道的识别简化为一系列的无记忆系统识别问题。
The algorithm analyzes the system in the frequency domain, then simplifies the finite-impulse-response channel estimate into several memoryless systems.
电路的时域、频域和复频域三种分析法求解电路的完全响应,比较了三种分析法的物理意义和计算方法。
Using time-frequency-and complex frequency domain analysis to find the complete response of the circuit from the different point, has the different physics meaning and calculating method.
本文从时域与频域两个方面论述并提出汽车操纵运动的“动态响应误差”概念。
In this PaPer, a concept of dynamic response deviation was proposed to analyse car handling property.
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 frequency performances and dc-offset rejection abilities of several typical variable-window algorithms are evaluated and compared based on the frequency-response analysis method.
然后利用简谐响应分析的方法探讨了结构对频域上不同频率激励荷载的的敏感程度。
Then, different sensitivity of latticed domes to various impulses in frequency domain is studied by applying harmonic lods.
引入两个势函数,在频域中得到了应力、位移和超孔隙水压力响应解答。
The analytical solutions of stresses, displacement and pore pressure amplitude are derived in frequency domain by introducing two scalar potential functions.
该方法是得到桁架和框架结构瞬态响应的一种新的频域矩阵分析法。
This is a novel matrix method of obtaining transient response of trusses and frames in frequency domain.
由参数模型计算的阶跃响应与频率特性上计算时域与频域的动态性能指标才比较合理。
It is more reasonable that the dynamic performance index both in frequency domain and in time domain should be calculated from model calculated frequency response and unit-step response.
本文方法在求解土结构相互作用问题时与基础固定时的动力响应频域分析方法一致,只需要调整地震动输入,就可得到问题的解答。
The proposed method can solve the interaction problem in the same way as the conventional frequency domain analysis does for a fixed-base structure.
对大型浮体水弹性响应的频域计算方法做了综述和介绍。
The frequency-domain-analysis methods for hydroelasticity of very large floating structures are discussed and reviewed.
给出了用于计算风致响应的频域分析方法,并将其运用于双曲冷却塔壳体结构的计算中。
Some frequency analysis methods of wind-induced dynamic response are provided in detail, we adjust them to hyperbolic cooling-tower thin-walled structure.
基于脉冲响应,描述瞬变流在频域中求解的方法。
Based on impulse response, the solving method of transient flow in frequency domain is described.
基于脉冲响应,描述瞬变流在频域中求解的方法。
Based on impulse response, the solving method of transient flow in frequency domain is described.
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