periodic structure
周期性结构：在物理、化学和材料科学中
常用释义
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基本释义
- 周期性结构：在物理、化学和材料科学中，指的是一种具有规律性排列的结构，其组成元素在空间中按照一定的周期重复出现。
例句
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1·The Electromagnetic bandgap(EBG)is a periodic structure with obvious bandstop characteristic.电磁带隙结构（EBG）是一种周期性结构，具有明显的带阻特性。
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2·Noisy images with a periodic structure can be cleared by utilizing optical periodic average method.利用光学周期平均法能够清晰地描绘带有噪声的周期性图象。
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3·In this, a model based on periodic structure theory is presented, it can take the cross-section deformation into consideration.基于周期结构原理的钢轨振动模型能够考虑钢轨截面变形对振动的影响，本文给出了该模型的理论基础，并给出了算例。
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4·The results show that disordered structure provides strikingly extended bandgap compared with the corresponding periodic structure.研究发现，无序结构光子晶体与周期结构光子晶体相比其带隙显著加宽。
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5·Condition of limiting light of nil suck nonlinearity periodic structure optical medium filled in F-P cavity are discussed in this paper.讨论在F—P腔中无吸收的非线性周期结构光学介质的限光条件。
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6·We demonstrate a quasi-periodic structure exhibiting multiple photonic band gaps (PBGs) based on sub-micron-period poled lithium niobate (LN).我们在本文中提出了基于亚微米准周期极化铌酸锂实现多波长光子禁带的结构。
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7·The reflection coefficient for a periodic structure computed by this method is in good agreement with the result calculated by the propagating matrix method.应用该方法分析了一种周期性结构的反射特性，与用传播矩阵方法所得结果一致。
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8·The CELP Coder usually USES a long-term predictor that the delay is the integer multiples of sampling interval to exploit the quasi-periodic structure of speech.在CELP编码器中，通常用延迟为抽样间隔整数倍的长项预测器表征浊音语音的准周期性。
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9·Bragg structure is usually a kind of periodic structure with continuous corrugation phase, which has excellent mode selectivity and frequency selectivity properties.布喇格结构通常是一种具有连续性波纹相位的周期结构，有良好的选模、选频特性。
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10·The gold minerilization is controlled by brittle-tenacity shear belt and along with the action of multi-periodic structure distortion and multi-periodic minerilization.金矿化受脆-韧性剪切带控制，并伴随着多期构造变形和多期矿化作用，金矿体就产于脆-韧型剪切带的中部；