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1)  long period seismic signal
长周期信号
1.
Joint observation of long period seismic signals with broadband seismometer,tiltmeter and gravimeter;
频谱分析结果显示,与平常的背景噪声信号相比,异常震颤信号的成分较为丰富,除了3—5 min周期的信号外,还含有20-30 min,甚至一小时以上的长周期信号
2)  traffic signal cycle length
交通信号周期长
3)  signal cycle length
信号周期长度
4)  periodic signal
周期信号
1.
Study on a new method for high-speed data acquisition of periodic signal;
一种新的周期信号的高速数据采集方法研究
2.
Waveform design and spectral analysis in direct digital synthesizing of periodic signals;
周期信号直接数字式合成中的波形设计与频谱分析
3.
Study on sampling non-synchronism for periodic signal;
周期信号取样非同步度的研究
5)  signal cycle
信号周期
1.
According to the queue length waiting in each intersection,both the signal cycle and the split of every intersection were given out.
该控制器能够根据交叉口各相位车辆的排队长度,对各个相位的绿信比和总的信号周期进行实时分配,并且根据交通状况的变化,可以对信号配时效果进行评价,对信号作出调整,具有学习功能。
2.
A method of computing the signal cycle for the coordinated signal control scheme is i.
并应用到株洲市中心广场环形交叉口的信号周期确定中。
3.
The queuing states in the green end were taken as objective,the dynamic signal timing at single-point intersection under the control of two-phase signal was studied,a queuing model was built according to the queuing and discharging process,and the effects of signal cycle,split and arrival ratio on the queuing states were analysed.
根据排队形成和消散过程建立了排队模型,分析了信号周期、绿信比和到达率对排队状态的影响。
6)  periodic signals
周期信号
1.
Reconstruction of periodic signals based on non-uniformity synchronous sampling;
基于非均匀同步采样的周期信号重构
2.
Application of genetic algorithm in Fourier transform of periodic signals;
遗传算法在周期信号傅立叶变换中的应用
3.
Detection methods research of frequency domain based on periodic signals;
基于周期信号的频域检测方法研究
补充资料:长周期
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性质:在聚合物单晶毡中,晶片间的周期性间隔(长度)称为长周期,它与晶片厚度密切相关。长周期可用X射线小角衍射测定,典型的情况长周期平均值约为10nm。类似的间隔在熔体结晶聚合物中亦可用电子衍射观测。结构的类似周期性在取向了的合成纤维中亦被发现,其散射单元间隔约在5~100nm。

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