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- synchronous periodic signal 同步周期信号
- A period signals the end of a sentence. 句号表示一个句子结束了。
- A device that generates periodic signals used for synchronization. 一种产生用于同步的周期性信号的装置。
- For the DFT-based Coriolis mass flowmeter, the key problem that greatly influence its precision is how to realize the integral period signal samples. 摘要对基于离散傅里叶变换(DFT)信号处理方式的柯氏质量流量计来说，影响其精度的关键问题是如何实现信号的整周期采样。
- This paper introduces the designing way and the programming methods of the CAI software for periodic signal spectrum analysis and demo . 介绍了“周期信号频谱分析演示CAI软件”的设计思路和编程方法。
- A synthetic gene network was simulated to investigate the effects of extracellular noise and a periodic signal on the gene system. 摘要采用数值模拟方法，研究了生物信息学中人类遗传因子-基因的转录调控系统。
- The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm,which is derived with periodic signal. 全波傅氏算法是基于周期信号推导出来的,当采样信号中含有衰减直流分量时,将会产生误差。
- In this paper, the chaotic motion of a planar 2R robot is controlled successfully based on the method of periodic signal perturbations for the first time. 摘要本文通过外加周期信号扰动系统参数的方法以平面2R机器人为例首次对机器人机构中的混沌运动进行了成功的控制。
- Heart period signal (HPS) analysis is used as a non-invasive heart autonomic nervous system (ANS) function examination, which has been acknowledged and used extensively in clinic. 在临床上运用心动周期信号(Heart period signal，HPS)分析作为反映心脏自主神经系统活性（Autonomic nervous system，ANS）的一种无创性检测方法已得到广泛公认和应用。
- A circuit that provides periodic signals to control and synchronize other circuits. 一种提供周期性信号的电路，用于控制和同步其它电路。
- Digital look-up table method for synthesizing periodic signals is the most popular technique for direct digital frequency synthesis. 数字查表法合成周期信号是一种最常用的直接数字频率合成技术。
- A Method to Produce Synchronous Sampling Pulse on Periodic Signals 周期信号同步采样脉冲的产生方法
- A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented. 摘要针对周期信号实际的非同步采样，提出一种频谱插值校正的分析法。
- composition and decomposition of periodic signal 周期信号的合成与分解
- The traditional signal analysis method is Fourier analysis and it is only applied to steady and periodically signals. 传统的信号分析方法傅立叶变换只适于周期的、稳态的信号。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- This paper analyses the cause of error in the measurement of RMS and active power in non-sinusoidal periodic signals and the magnitude of the error, establishes the mathematical models, and proposes some methods of reducing the error by simulation. 非正弦周期信号测量同步误差研究分析了软件实现同步采样在非正弦信号有效值和有功功率测量中产生测量方法误差的原因、差的大小，建立了误差分析的数学模型,并进行了仿真计算，提出了消除或减小测量方法误差的措施。
