说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条
拟周期近似  纹理周期  周期性定理  周期性理论  分析周期  周期分析 
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1)  periodic texture and approximately periodic texture analysis
周期性与近似周期性纹理分析
2)  approximately periodic texture
近似周期性纹理
1.
Aiming at the approximately periodic texture and combining the approach of texture synthesis by patch-based sampling,this paper presents an approach to synthesize the approximately periodic texture.
纹理合成是近年来图形图像处理领域的研究热点之一,该文针对基于块的纹理合成方法合成效果与采样块的尺度密切相关的问题,根据近似周期性纹理自身的特点,结合基于块的纹理合成方法给出适合此类纹理的一种合成方法。
3)  periodic texture
周期性纹理
1.
Aiming at the approximately periodic texture and combining the approach of texture synthesis by patch-based sampling,this paper presents an approach to synthesize the approximately periodic texture.
纹理合成是近年来图形图像处理领域的研究热点之一,该文针对基于块的纹理合成方法合成效果与采样块的尺度密切相关的问题,根据近似周期性纹理自身的特点,结合基于块的纹理合成方法给出适合此类纹理的一种合成方法。
4)  periodicity analysis
周期性分析
1.
This paper took advantage of trend analysis and periodicity analysis for the first time to make research and analysis on population dynamics of cotton aphid intimidated by natural enemy, and showed this view has its limitation through full and accurate date .
本论文首次用趋势性分析及周期性分析对有天敌胁迫的棉蚜种群动态规律进行了分析与研究,通过翔实的资料说明以往的做法是有其局限性的。
5)  approximate period
近似周期
1.
The analysis and calculation of the approximate yearly runoff time series at Wuqiangxi station on lower reaches of Xiang River prove that the approximate periods of the yearly runoff are 16.
讨论了年水文时间序列的近似周期分析方法,在极大熵谱分析法的基础上设计了一种时间序列分段搜索法,并用计算机软件仿真实现。
2.
The paper conducts identification,presentation and extraction on three approximate period series of natural annual runoff rate of 1470~2002,1919~2002 and 1949~2002 of Sanmenxia Station on the Yellow River by using the methods of autocorrelation and variance spectral density analysis.
采用自相关和方差谱密度分析方法,对黄河三门峡站1470~2002年、1919~2002年和1949~2002年3个系列天然年径流量的近似周期成分进行了识别、表示和提取。
3.
When expanded the parameters, by means of the technique of different frequency expansion, the approximate period and solution when α is a small parameter or not a small one are obtained.
在进行参数展开时,通过系统频率不同展开式分别求出了此类系统在含有小参数和不要求含有小参数情况下的近似解和近似周期。
6)  periodical similarity
周期相似性
补充资料:周期性股票
周期性股票 Cyclical Stock
 
定义:
指在经济环境强劲时股价上升迅速,在经济放缓时股价急剧下跌的股票。指股票价格随着所属行业景气的循环而起落的股票,如水泥,钢铁,汽车,机器,造纸,航空,建材,铁路,设备等行业的普通股(common stock)属之。
 
解释:
投资此类股票者须特别留意经济循环趋势。