上午九点半的时候，完整的红黄绿信号灯变换周期大概为140秒。
At 9:30 am, the full red/yellow/green signal cycle might be 140 seconds.
建立了充填国产s101钒催化剂的、单段流向变换周期操作固定床反应器的非均相动态模型。
The heterogeneous transient model of a fixed - bed reactor packed with vanadium catalyst, S101, for catalytic oxidation of SO2 and operating in a flow direction switched periodically was developed.
这会导致变换的静止和活动的周期-与沙堆的堆砌和崩塌非常相像。
This results in alternating periods of quiescence and activity - remarkably like the build-up and collapse of a sand pile.
其含义是，类应该从外界获得配置(更多的注入)，生命周期状态变换同样也应该从外部进行控制。
The implication is that classes should be given their configuration (more injection) and lifecycle state-changes similarly controlled from outside.
在常规横向剪切干涉仪的基础上，利用波前周期延拓的假设，基于小波变换的方法实现了波前重构。
On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.
快速傅里叶变换在非同步采样和非整数周期截断的情况下存在较大误差，无法获得较精确的间谐波参数值。
The fast Fourier transform (FFT) will bring on higher error under nonsynchronous sampling and truncated non-integral period, thus more accurate interharmonic parameter values cannot be obtained.
实例计算表明，相对于周期函数响应求解中通常采用的拉氏变换方法，本方法更为简便，并有广泛的适用性。
It has been proved by the example calculation that this method is simpler and more applicapable in comparison to La's transformation commonly used in resolving the response of periodic function.
结果表明，通过改变系统变量之间的线性变换矩阵，可以实现混沌系统中各种不稳定周期轨道的稳定控制。
The results show that the UPOs embedded in the chaotic system can be stably controlled by changing the linear transformation matrix of system variables.
提出一种稳定和精确的坐标变换和闭合积分方法，用以求解描述周期势场中布朗粒子作定向运动的乘性朗之万方程。
A stable and accurate integral closed algorithm is presented, which is used to solve multiplicative Langevin equation describing the directed motion of a particle in a periodic potential.
不需要通过变换的周期来恢复图像。
The restoring of images does not need through transformation cycle.
首先通过变换关系和求解简单的常微分方程，得到了(3 +1)维破裂孤子方程丰富的孤立波解和周期波解。
Many of the exact solutions of (3 + 1) dimensional breaking soliton equation are obtained by using a simple transformation relation and solving the ordinary differential equation.
然而，语音信号是一个非平稳过程，因此适用于周期信号、瞬变信号或平稳随机信号的标准傅立叶变换不能用来直接表示语音信号。
But voice signal is an instable process, so standard FT that fit to the period signal and stable signal can not be express the voice signal directly.
该行星的公转周期为37天，这意味着它上面的四季变换非常迅速。
It takes just 37 days to orbit its sun which means its seasons last for just a few days.
这个方法是根据周期函数的傅里叶级数的性质和利用数学的抽象性质，直接推导出另外三种形式的傅里叶变换。
According the basic properties of Fourier series of period function and using of the abstract nature of mathematics, the method directly derives other 3 kinds of Fourier transform.
利用角谱分析和傅里叶变换的方法，得到一种描述几个周期的等束腰宽度脉冲光束传输的脉冲修正方法。
By use of the angular-spectrum analysis and the Fourier transform method, a correction method is obtained to describe the propagation of few-cycle pulsed beam with constant beam waist.
当全部采样点都处理过后，可在基本周期的最后一个时间间隔中得到和离散傅立叶变换一样的结果。
When all the sample points are handled after the basic cycle of a time interval finally received and discrete Fourier transform as a result of the introduction of DFT algorithm and the Z-transform.
本文介绍一种基于频率变换的时间放大技术，可用于正弦周期信号的相位精确测量或延迟时间测量。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
研究结果表明：基于EWC阈值法的复小波变换能够有效地抑制GIS特高频PD信号中的周期性窄带干扰。
The results show that the EWC threshold method of complex wavelet transform can effectively suppress the periodic narrowband interference from GIS UHF PD signals.
在即将来临的知识经济时代，技术老化的周期及人们职业变换的进度将越来越快。
With the coming of knowledge economy the ageing period of technology and the speed of the people's occupational change become more quickly than before.
地球的地磁北极和南极随时间作周期性的变换，或许是地核内部流体运动的结果。
The periodic switching of the magnetic north and south poles of the Earth throughout time, probably as a result of movement of fluid within the Earth's core.
文中利用并元变换的不进位性质，给出了一种构造最佳周期互补二元序列偶族的新方法。
By taking advantage of the characters of dyadic theory, a new method for constructing families of perfect periodic complementary binary sequences pairs (PCSPF) is proposed.
提出了一种改进的快速付立叶变换(MFFT)的计算方法，在采样的持续时间不是信号周期整数倍的条件下，能够准确地提供此信号中各周期分量的特性。
Anew approach, named Modified Fast Fourier Transform (MFFT), is proposed to analyze the components of a periodic signal when sampling duration is not equal to an integer multiple of the fundamentals.
用小波变换，分析期货螺纹钢RB1610，周期的源代码，含数据，直接执行程序即可；绝对可以用。
Wavelet, future, RB1610-Wavelet transform, analyze futures rebar RB1610, the cycle of the source code, including data, direct executor can definitely use.
以周期为15和31的变换矩阵为例，解释变换矩阵的特性。
By the examples of transformation matrices with period 15 or 31, the properties of transformation matrices are illustrated.
于是从语音产生模型入手，详细的分析了声门闭合时刻语音信号的性质，找到了浊音信号经过小波变换后周期性消失、极值点个数增多的原因。
Based on the speech produce model, we find the reason of periodicity disappearance and the extremum number increase by analysing the character of speech signal when the glottal closes.
在双电压合成矩阵变换器中，需要将每个周期内的输入、输出电压划分成若干扇区。
The input and output voltages in matrix converter based on two voltage synthesis are supposed to be divided into some sectors in each period.
通过预处理滤除工频周期分量，消除了小波变换在信号峰值处的模极大值，从而避免了对故障的误判。
As wavelet module maxima occur at peaks of signal, the pretreatment removes power frequency periodic components from electric signal and thus avoids misjudgments of fault.
流向变换强制周期操作催化燃烧技术是我国引进的最新的净化含有有毒有机物废气的研究课题。
The catalytic combustion technique of the flow direction alternation is a latest research subject, which is about how to purify poisonous waste organic gas.
流向变换强制周期操作催化燃烧技术是我国引进的最新的净化含有有毒有机物废气的研究课题。
The catalytic combustion technique of the flow direction alternation is a latest research subject, which is about how to purify poisonous waste organic gas.
应用推荐