查询词典 periodicity of function

In this paper, the hydrochemical characteristics, water temperature and regime of every group are analyzed, and the changing regulation is revealed, the relativity, tendency and periodicity of the springs flow are calculated.

本文将其分为五个泉组，分别对各个泉组的水化学、水温及动态特征进行了分析，阐述了它们的分布规律及变化特征；对泉群流量的动态变化进行了相关分析、趋势分析和周期分析。

The daily observed data of surface suspended sediment concentration at the Nanhui headland from May 2002 to October 2005, the observed data of tidal range, tidal level, wind speed and direction at the Nanhui hydrometeorological station and the water and sediment discharge data observed at Datong hydrographic station in the same period were used to study the periodicity and affecting mechanism of SSC variation.

根据2002年5月至2005年10月在杭州湾北岸和长江口口门交汇处一固定观测点表层每日取样的悬沙浓度资料和同期的潮差、潮位、风向风速以及长江大通水文站的水沙资料，利用Spss、MatLab分析软件，采用小波分析和相关性分析方法，探讨了悬沙浓度变化的周期性及其影响机制。

One of the cross sections is a hypercylinder with Euclideanmetric and 〓 topology, thus provides the periodicity of imaginary time.

一其一个截面即为由欧氏度规描写的超圆柱面，它的S1拓朴使它能提供虚时间的周期性。

It puts forward the"Variation Determination"to recognize whether the Arithmetic Measuration can be used to measure the periodicity of fluctuation.

算术测定法具有简单、直观的特点，第一节对这种方法的理论基础和适用条件作了比较全面和透彻地分析，经&变异判断法&判断具有指数趋势特征的经济序列，可以运用算术测定法直接测定其波动周期。

There, they find that the anomalous groups are variety,similarity and periodicity of development before and after Baotou Ms 6. 4 earthquake, this is similar to Haicheng and Tangshan earthquakes, however, the obviously difference is that the abnormal is no causality and associated relation but paragenic relation with Baotou earthquake. They think the circum --B...

该区异常群体具有种类的多样性、配套性，在包头6.4级地震前后有发展阶段性，虽与海城、唐山地震前确有相似之处，但也有明显不同，认为环渤海地区参与了1996年以包头地震为代表的华北整体性构造活动，该区异常与包头地震无因果或伴生关系，而是共生关系，该区目前仍存在发生5～6级或6级以上地震的危险性。

Using periodicity of the scramble sequence, it is theoretic proved the complexity of this method is not depended on the expression of generation polynome.

利用扰码序列的周期性原理，从理论上证明了并行扰码复杂度与扰码生成多项式的具体形式无关。

For the existing problem of Meddis'psychophysically faithful method for extracting pitches from concurrent speech signalsis, we present a new pitch extracting method, which uses close-loop adaptive frequencies picking block to pick out the possible frequencies group, selects the two potential pitches base on the frequencies group's pitches and the relation between their periodicity so as to improve the robustness of finding potential pitches.

针对Meddis建立的基于听觉心理生理的混叠语音基频提取算法存在的问题，提出了基于听觉心理生理的混叠语音基频提取新算法，由于采取了闭环自适应提取模块及相应的潜在基频确定方法，提高了搜索潜在基频的鲁棒性，又利用潜在基频重新划分频带；有效提高了基频提取精度。

By recording the underwater sound of red drum (Sciaenops ocellatus, Sciaenidae) and measuring some physical environmental factors, the relationship between the environmental factors and sound periodicity was studied.

石首鱼发声具周期性，因此以全年水下录音的方法来比较不同环境因子对红鼓鱼发声周期性的影响，结果显示日出与日落都会诱发鱼只增加叫声。

On the basis of relation between the seism and solar activity, it is pointed out that the periodicity evolution of the seisimic activity is under the modulation of solar activity.

在太阳活动与地震相关研究的基础上指出：在周期性太阳活动的调控下，地震活动也显示出明显的周期性演化。

B Co substitutions for Cu in Bi-2201 influence in various ways on the structure symmetry, subcell parameters, periodicity and amplitude of the modulation, and structural disorder etc..

Bi-2201相中Cu位上的Co元素掺杂效应在晶体结构对称性、亚晶胞参数、调制波周期及调制幅度、结构无序化等方面都有不同程度的影响。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。