Secular是什么意思

网络释义

用法例句

In this paper,we prove the non-periodicity of the complex SIN function mainly by the knowledge of continuity function,and we also prove when sinf(x) are non-periodic functions.

主要运用函数连续性知识,证明了复合正弦函数的非周期性,并给出了一类复合正弦函数sinφ(x)非周期函数时,φ(x)应满足的条件。

Aperiodicity in the Elementary Cellular Automaton;

初等元胞自动机时间序列的非周期性

his paper considers the robust strictly aperiodic property for a family of polynomials.

本文考虑多项式族的鲁棒严格非周期性。

Aiming at estimation of PN sequence of aperiodic DS/CDMA signals,a blimd estimation method is presented in this paper.

针对非周期性DS/CDMA信号PN码序列估计的难题,文中提出了把分段特征分解法、独立分量分析算法和基于m序列移位相加特性的信码剥离算法相结合的盲估计算法。

The method of estimation of PN sequence in non-periodic DSSS signals is different with that in normal periodic DSSS signals because of the ir-repeatability in different durations of PN sequence of non-periodic DSSS signals.

非周期性DSSS信号由于在扩频码周期内扩频序列的不可重复性而使其PN码序列盲估计方法和针对常规周期性DSSS信号的估计方法有所不同。

The interception to the non-periodic direct sequence(DS) spread spectrum signals is a difficult problem in electronic warfare.

对非周期性直接序列(DS)扩频信号的截获是电子战中的难题。

aperiodic (type) compass

非周期性罗盘，阻尼罗盘

aperiodic component of short-circuit current

短路电流非周期性分量

dead-beat adaptive control

非周期性自适应控制

Such aperiodic motions are not quantized.

这种非周期性的运动不是量子化的。

Aperiodicity in the Elementary Cellular Automaton;

初等元胞自动机时间序列的非周期性

Inventory Routing Problem of Nonperiod Based on Vendor Managed Inventory Model;

VMI模式下的非周期性IRP问题

Blind estimation of PN sequence of Aperiodic DS/CDMA signals

非周期性DS/CDMA信号PN码序列的盲估计

Inertia element (aperiodic element)

惯性环节(非周期环节)

On the Existence of the Periodic Solution for the Nonlinear System with Multiple Delay

一类多滞量周期扰动非线性系统的周期解

Business Cycles in the East Asia：Same Periods or Different Periods;

论东亚地区经济周期的同期性与非同期性

The Exsistence of Periodic Solution for Second Order Nonlinear Duffing Equation;

二阶非线性Duffing方程的周期解的存在性

The Existence about Periodic Solution for a Class of Higher Order Nonlinear Equations

一类高阶非线性方程周期解的存在性

Existence of Periodic Solutions for a Class of Second Order Nonlinear Equations

一类二阶非线性方程周期解的存在性

The Simulation of 3D Unsteady Periodic Turbulent Flow in Draft Tube and the Applications of CFD;

尾水管非定常周期性紊流及CFD的应用

Positive Periodic Solutions for a Class of Nonlinear Functional Differential Equations;

一类非线性泛函微分方程的周期正解

Periodic Solutions of Nonlinear Discrete Volterra Equations;

非线性离散Volterra方程的周期解

Almost Periodic Solutions of Nonlinear Duffing Equations with Damping;

带阻尼的非线性Duffing方程的概周期解

Existence of Positive Periodic Solutions of a Class of Non-autonomous Difference Equations;

一类非自治差分方程周期解的存在性