它把输入波形表示为带有调制包络的RF载波，而该载波在时域中描述。
It represents input waveforms as RF carriers with modulation envelopes that are described in the time domain.
虽然没有在图中描述，在不考虑时域白噪声的单天线系统中的均方根抖动可以被观察到仅在几个迭代后就增加了很多。
Although not depicted in the figure, the RMS jitter for the single antenna case without temporal whitening was observed to quickly increase within a few iterations.
首先，概述了描述光子在混浊介质中传输的各种理论，不同理论间的相互关系及适用范围。随后，介绍了适用于大组织的扩散理论及基于扩散理论的时域和频域技术。
We discuss the relationship among various theories that have been presented to describe light diffusion in turbid medium such as tissues, and indicate the usefulness and limitations of these theories.
杜氏变换是一种将信号从时域到门宽域的变换，用信号的宽谱密度来描述信号的特征。
The Du-conversion is one that converse the signal from time domain to gate-width domain and uses the wide spectrum density of the signal to show its characteristics.
基于传统的统一描述方法，提出了一种改进的主梁气动力时域列式方法。
Based on the conventional integrate expression approach, a modified time-domain formulation method is proposed for the calculation of aerodynamic forces acting on bridge girders.
实验结果表明，不同时频尺度的STFT分析可以很好地描述正常心音信号的时域和频域特征。
The results we obtained on normal PCG signal show that the STFT analysis with different scale basis provides a clear comprehension of the cardiac events in both time and frequency domain.
本文给出摇板式造波机所造二维规则波时域线性解的解析表达式，它描述一个带有波前的二维线性波的传播过程。
The analytical expression of linear solution in time domain is derived for two-dimensional regular wave generated by rocker flap wavemaker.
电离层对电磁脉冲传播的影响可以用一个频域的电流密度来描述，在时域则等效为一附加的电流密度和电导率。
Additional current density, which is a function of frequency, can be used to describe the effect of the ionosphere in the process of electromagnetic pulse propagation.
首先，简要介绍了宽带天线的特性参数，并且给出了宽带天线的性能参数在时域的描述方法；
Firstly, characteristic parameters of wideband antenna are introduced, and the definitions of characteristic parameters in time domain are presented.
在动态电路的时域分析中，若要解出描述电路的微分方程或状态方程，首先必须知道电路的初始状态。
In the time domain analysis of dynamic circuit, the initial state must be first known when the differential equation or state equation will be solved.
考虑到来自不同神经元的动作电位在时域或频域特征上的相似性，引入小波分析在时频域上对动作电位进行特征描述。
To deal with the similarity of spike temporal profile and frequency feature, a method was proposed to represent spike feature using wavelet analysis technique.
神经网络方法可用于动力学系统的参数估计，包括时域和频域建模。将单层神经网络用于单交量线性连续时不变系统的参数估计中，线性系统分别用状态方程及传递函数来描述。
A simple neural network structure and its learning algorithm are presented for the purpose of system identification of a linear time invariant system which is represented by the state space equation.
神经网络方法可用于动力学系统的参数估计，包括时域和频域建模。将单层神经网络用于单交量线性连续时不变系统的参数估计中，线性系统分别用状态方程及传递函数来描述。
A simple neural network structure and its learning algorithm are presented for the purpose of system identification of a linear time invariant system which is represented by the state space equation.
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