查询词典 complexity

In consideration of the complexity of the aggregation operation of time in process neural networks, a new learning algorithm based on function orthogonal basis expansion is proposed.

该文在考虑过程神经网络对时间聚合运算的复杂性的基础上，提出了一种基于函数正交基展开的学习算法。

Keywords: process neural network;orthogonal function basis;aggregation operation;learning algorithm;complexity of computation

该文在考虑过程神经网络对时间聚合运算的复杂性的基础上，提出了一种基于函数正交基展开的学习算法。

Compare the complexity and precision of the polynomial method and orthogonal polynomials method used in geometrical adjustment, an experiment is made; some surface fitting method used in spatial co-registration of multiresolution image are studied and experiments are made to show their different in effects; in order to increase the spectral inherit, we make a histogram match in images to be fused.

比较了图像几何校正的多项式方法和正交多项式方法在复杂度与精度上的差异，进行了仿真实验；研究了不同插值技术在图像配准中的应用，对不同插值方法的效果进行了比较，给出了示意图；为消除图像灰度级不匹配对融合结果的影响，对待融合图像的灰度直方图进行了匹配处理。

Although the orthogonal projection is an optimal processing method, it is difficult to implement due to computation complexity.

虽然正交投影为最佳的处理方法，但是因计算复杂太高在实作上有些困难。

By eliminating redundancies and modifying orthogonal projection process, a new scheme with low complexity is proposed.

通过改变正交映射方式和删除冗余，提出了一种新的PTS快速相位优化算法。

No additional data for frequency tracking are need, but higher estimation accuracy and low computational complexity can be obtained. Finally, a kind of optimizing joint algorithm for symbol timing, frequency synchronization and channel estimation is proposed. The false alarm probability and miss detect probability of the symbol timing are derived. We proved that the time－frequency offset domain random sequence sliding in the frequency offset direction is orthogonal with the original random sequence, and proposed a new integer frequency offset estimation algorithm. The coarse estimation methods for fractional frequency offset both in AWGN and multipath channels are proposed too.

最后，提出了一种优化的符号同步、频偏估计和信道估计的联合算法，推导了符号同步方法的虚警概率和漏检概率，给出了随机序列在时间－频率偏移域沿频率偏移方向滑动后与原序列近似正交的证明，提出了一种新的在时间－频率偏移域沿频率偏移方向进行滑动相关估计整数频偏的方法，提出了在AWGN信道和多径信道下进行小数频偏粗估计的方法，给出了小数频偏细估计的ML估计结果和利用频域PN序列取值特性的简洁的信道估计结果。

Their objectives have diversity and complexity due to its otherness of responsibility,assignment and function.

我国宪法规定的"工作责任制"，实际上就是中国特色的目标管理的具体化。

After analyzing and evaluating the related references, a rapid algorithm working out control points of uniform cubic B-spline is proposed, and is realized in Matlab, the complexity of program is greatly reduced and the operation efficiency is improved.

在Matlab中编程实现，大大降低了程序的复杂性和提高了运算效率，并使重构所得曲线的两个端点处曲率不为零，至少满足了一阶连续。

Analyses and simulation results show that our methods outperform very well in the both computational complexity and convergence rate.

分析和计算机模拟结果显示，本文提出的方案，无论在计算复杂度上，还是收敛速度上，都具有优越的性能。

This paper mainly discusses the overset mesh pre-processing technology, and supplies a new efficient and robust hole-cutting algorithm applied in the overset mesh preprocessing, which is based on maze algorithm and can be easily implemented with low complexity.

本文主要讨论重叠网格预处理方法，并提出迷路算法应用于"挖洞"过程，为重叠网格预处理提供了高效、可靠的"挖洞"方法，算法复杂度低，实现简单，健壮性好；在多层次嵌套重叠方面，引入了重叠网格主从关系图有效解决多层次嵌套重叠带来的问题；在提高找重效率方面，建立基于网格的kd树加快了找重过程。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。