年电力负荷具有稳定增长的趋势成分和随机成分。
Annual electricity load includes some steady increase trend components and some stochastic components.
为评估随机成分对设备的影响，需要将周期成分从振动信号中去除。
To evaluate the influences of the stochastic component on apparatus, it is necessary to remove the periodic components from the vibration signal.
为了进一步研究这种类型的时间系列，有必要提取确定性和随机成分。
In order to study further this type of time series, it is necessary to extract deterministic and stochastic components.
文章考虑网络流量非线性的特点，通过不同的数学模型将流量时间序列分解成趋势成分、周期成分、突变成分和随机成分。
According to the character of non linear network traffic, the traffic time series is decomposed into trend component, period component, mutation component and random component.
图1中所示的塞满了的气泡形成的随机性结构很大程度上与气泡大小和化学成分是不相关的。
The random structures formed by packed bubbles, as seen in figure 1, are largely independent of bubble size and chemical composition.
例如跟踪雷达天线的风力负载是由一个随时间变化的平均速度成分与迭加的随机阵风组成的。
The wind loading of a tracking radar antenna, for example, results from a mean velocity component that varies with time plus superimposed random gusts.
方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。
Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.
研究表明，立方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Results of the study show that the method can effectively weaken the noise which infiltrated in the signals, and therefore improve the signal to noise ratio.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
运用随机抽样方法对湖南省公务员身体成分数据进行抽样，抽取100名公务员数据组成样本进行分析。
The use of random sampling methods on body composition in Hunan Province civil service data sampling, data taken from the civil service composed of 100 samples for analysis.
方法：随机抽样104件，按照国家标准检验方法对其卫生指标和功效成分进行检测，根据国家标准和企业标准进行结果判定。
Methods: Random sampling 104 products, using national standards to test health index and functional composition, using national standards and enterprise standards to judge results.
在随机信号测量或仿真系统中，经常需要对离散数据信号进行随机性检验，以确定待测信号的特性或组成成分。
In random signal processing or simulating systems, the test of discrete digital signal randomicity is often needed. By which the compositions or the specialties can be testified.
所产生的随机相位屏的整体倾斜反映了低频成分的准确采样。
The overall slope in the generated random phase screen reflects an accurate sampling of the low frequency components.
得到了一种寻求平稳随机激励频率成分信息的方法。
And the method of getting the frequency components of stationary random excitation is realized.
为了提高群体智能聚类算法的运行效率，提出了利用主成分分析改善模式投影时的随机性。
To improve the running efficiency of the algorithm, the stochastic mapping of the patterns was modified based on principal component analysis.
研究表明，该方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Results of the study shows that this method can effectively weaken the random noise that infiltrated into mechanical signals, and therefore improve the signal to noise ratio.
有些人认为上机考试是随机抽题，有运气的成分，但我认为还是有技巧可寻的。
Some people think to go up machine exam is to take a title randomly, have the part of luck, but I think or have skill but target-seeking.
随机中点偏移法是生成分形布朗运动的重要方法。
The random mid-point displacement method is an important method in the FBM.
大鼠随机分为模型对照组、丹参注射液组和四个成分外加组。
Rats were randomly divided into model group, Danshen Injection group and four component-adding group.
大鼠随机分为模型对照组、丹参注射液组和四个成分外加组。
Rats were randomly divided into model group, Danshen Injection group and four component-adding group.
应用推荐