This paper deals with extraction of spectral lines of underwater targets in background noise using a space-time integral method.
利用目标线谱与自噪声线谱在时间域和空间域上的差异，采用时空联合手段研究舰船噪声中目标线谱的提取方法。
Solving integral equations of supercavitating flow based on the finite difference time discretization method, some numerical results are obtained.
采用时间有限差分离散化方法求解超空泡流积分方程，得到了问题的数值解。
The relationship between the true anomaly and the time is gotten by the numerical integral method.
用数值积分方法求出真近点角与时间的关系曲线。
Pronys method has been combined with time domain integral equation (TDIE) to solve transient response from arbitrary thin wire structure.
将时域电场积分方程法和普朗尼方法结合，求解了任意细线结构的瞬态电磁响应问题。
The time domain integral equation (TDIE) method is one of the important methods in electromagnetic numerical simulations for several advantages over conventional method in frequency domain.
相对于频域方法而言，时域积分方程法有这许多优势，因此，它是计算电磁学数值方法中一个重要的方法。
The method requires less computation time and smaller memory than the direct computation of volume integral equations, since the large scale matrix inversion may be avoided.
由于不必进行直接的大型矩阵求逆运算，因而与体积分方程的直接解法相比，所需的机时更少，并减少了对内存的要求。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
联合时频分布方法把整体频谱推广到局部频率，根据频率随着时间的变化情况，对信号进行有效的分析。
Drag of the train head is obtained by the method of surface integral and drag coefficient can be computed at the same time.
通过表面积分的方法得到各种列车车头的阻力，进而计算得到了车头模型的阻力系数。
This paper presents a digital integral method for improving real time performance and accuracy of intelligent controller.
阐述了通过数字积分的方法提高智能控制器的检测精度和实时性。
By use of the time split method, a conservation difference formula is established to find the solution to the shallow water equation based on the finite volume control method from integral equations.
采用二分步法，从积分型方程出发，在有限控制体上建立守恒型差分格式，对二维浅水波方程进行求解。
A finite difference method was derived for the analysis of time domain electric field integral equation (TDEFIE) of thin wire structures.
提出一种求解基于细线结构的时域电场积分方程(TDEFIE)的方法-有限差分方法。
Time-domain methods include the time-domain differential equation (TDDE) method and the time-domain integral equation (TDIE) methods.
时域方法又可以分为时域积分方程（TDIE）方法和时域微分方程（TDDE）方法。
The correlation integral method can estimate both the time delay and the embedding window, and can avoid subjectivity in calculating the embedding window.
该方法联合考虑了嵌入滞时和嵌入维数，可同时计算出嵌入滞时和嵌入窗宽，避免了以往确定嵌入窗宽的主观性。
In this paper, the time domain integral equation method (TDIE) and its application for transient scattering of arbitrarily shaped 3d conducting objects are studied.
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
Convolution integral is a mathematical method applied to calculus the zero state response of continuous-time systems.
卷积积分是计算连续时间系统零状态响应的数学工具。
The integral method is put forward to analyze the dynamic stability of slope under the effect of blasting vibration for the first time.
实例证明，此方法是分析边坡动力稳定性的有效方法之一。
The integral method can reduce the measure points, raise the work efficiency, shorten the working time, be help for the health, prolong the life of instruments.
积分法可以减少测量点数，提高工作效率，缩短工时，有利健康，延长仪器寿命。
Thus, time domain simulation under uncertainty is transformed to the solving of interval differential equations, which needs a certain interval integral method.
因此，在不确定条件下的时域仿真转化为间隔的差分方程，这需要一定的时间间隔积分法解决。
Then, use the direct integral calculus method of NEWMARK to solve solution, and get each node and element's displacement and stress solution vs. time.
然后，用NEWMARK直接积分法进行求解，得到各节点和单元的位移、应力的时程解。
Using combine field integral equation and progressive iterative numerical method, the size of method of moment system matrix that need to be inverted and the computational time can be greatly reduced.
目标被分成一些小区域，因此缩小了所需要求逆的矩阵的大小并且减少了计算时间。
The time-scanning method can also be divided into integral-time-scanning method and local-time-scanning method.
时间扫描法又分整体时间扫描法及局部扫描法。
The time-scanning method can also be divided into integral-time-scanning method and local-time-scanning method.
时间扫描法又分整体时间扫描法及局部扫描法。
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