英语释义

1. a function any value of which recurs at regular intervals

片语

periodic transfer function周期传递函数

periodic curvature function周期性曲率函数

periodic circular function[数]

periodic c function周期函数

periodic real function[数]

periodic selectivity function周期选择性函数

periodic scaling function周期尺度函数

periodic trigonometric function[数]

periodic autocorrelation function周期自相关函数

英汉例句

• the separability of asymptotically strongly periodic function space and asymptotically periodic sequence space are also discussed.

  研究了渐近强周期函数空间、渐近周期序列空间的可分性质。

• but when the input signal is no longer the periodic function for the existing of dc component, the full-wave fourier algorithm will have higher error.

  当输入信号中含有衰减直流分量而不再是周期函数时，全波傅氏算法有较大的误差。

• for a ring of two spins, the entanglement between the two spin particles can be created and is a periodic function of time when the external magnetic field is greater than a critical value.

  在圆环中只有两个自旋粒子时，外加磁场大于某个阈值时，一对自旋粒子之间才能产生纠缠，而且纠缠是时间的周期性函数。

• studied periodic function and its least positive period.

  研究了周期函数及其最小正周期的若干问题。

• the article expounds the nature of periodic function and proves the existence of the base period of the continuous periodic function.

  本文给出了周期函数的几个性质，并证明了连续的周期函数基本周期的存在性。

• most radar signals are non-stationary signals, but they are cyclostationary signals, namely, the correlation function of radar signals is periodic function of time.

  大部分的雷达信号都是非平稳信号，但它们都具有循环平稳特性，所谓循环平稳信号是指相关函数为时间的周期函数的一大类非平稳信号。

• in this paper some properties of the periodic function and minimal positive period are given.

  给出了一个利用福里哀系数求非常值的连续周期函数的最小正周期的有效方法。

• based on the need of solving practical problems, professor c. zhang proposed pseudo almost periodic function and pseudo almost periodic function sequence.

  基于解决实际问题的需要，张传义教授提出了伪概周期函数和伪概周期序列。

• in this paper, several decision theorems for periodic function are given and proved, and then their applications are illustrated by the use of examples.

  给出并证明周期函数的几个判定定理，并举例说明它们的一些应用。

• the properties of vector-valued remotely almost periodic function and oscillate slowly function are discussed.

  对向量值缓慢振动函数及遥远概周期函数的性质作了讨论。

• this paper uses the least squares linear coefficients method, then analyzes the residual error, and chooses the suitable nonlinear periodic function in residual refitting.

  文章在线性系数的最小二乘法处理的基础上，通过对残差的分析，选择合适的非线性周期函数对残差进行再次拟合。