查询词典 frequency curve

The cubic interpolation polynomial is got firstly in the given sub-range of the hydrophone's sensitivity-frequency curve by using the Akima curve smoothed algorithm, and the maximum of the polynomial is calculated in the sub-range by using the one dimension extreme value continued fraction algorithm, finally the frequency of the hydrophone is got.

频率测试是在灵敏度详细测试的基础上，采用阿克玛曲线光滑算法求出检波器幅频特性曲线在给定子区间上的三次插值多项式，再利用一维极值连分式法求出该区间上多项式的极值，从而求出检波器的频率值。

According to the integrated fertility index of all the evaluate units, cultivated land in Mingguang was classified into five grades using the cumulative frequency curve method.

根据明光市评价单元的耕地地力综合指数，利用累积曲线法将耕地地力合理地划分为五个等级，并运用Mapgis6.7绘制耕地地力等级图及统计各等级耕地的面积。

The cumulative earthquake frequency curve of the Jiashi swarm shows that the high tectonic stress was maintained in the swarm area during active period between Jan.

6巨大的地形应力影响，使伽师震源区构造应力场与毗邻构造单元的构造应力场存在较大差异。

Frequency curve should be smooth, no sudden jump point oscillation; response curve of the rapid convergence.

频率曲线应平稳，无突跳振荡点；响应曲线应快速收敛。

Analyzed the influence of different frequency range to the force change tendency, obtained the biggest dynamic force change along with the frequency curve.

对计算结果进行了分析，分析不同频率范围对张力变化趋势的影响，得到了最大张力随频率的变化曲线。

With regard to the external Qinhuai River regulation project in Nanjing City, the inverse Gaussian distribution curve was determined as the flood level frequency curve of the river course by use of the frequency statistics technique, and the parameters λ and μ of the inverse Gaussian distribution were derived according to the current flood design standard.

结合南京市外秦淮河堤防整治工程，放弃传统的堤防潮位频率曲线线型，采用频率统计分析的方法确定了外秦淮河堤防潮位频率曲线的线型为反高斯分布；根据该堤防现行洪水设计标准推求了反高斯分布参数λ和μ。

Not only it can display all stable state parameter, but also the load increase quickly, load decrease quickly, voltage, current, frequency curve, voltage curve, current harmonic curve and harmonic content.

不仅可以召测所有稳态参数，还能召测突加、突卸、电压、电流、频率曲线，及电压、电流谐波曲线及谐波含量。

In this paper,a new method of measuring the resonant frequency of the RLC parallel resonance circuit was intro- duced,which makes the asymmetric amplitude-frequency curve symmetric.

介绍了用Origin变换坐标，将不对称的RLC并联电路的幅频特性曲线对称变换，从而精确求解其共振频率的方法。

In the last few years, researches the problem of the underwater sail machine's sound have been common, the content of the research is very extensive, including the modeling, method of its solution, frequency curve, the wave's property in spreading, the syntonic frequency and the damp material on such coupling system.

近几年，水下航行器的声振一直是国际上研究的热点，研究的内容非常广泛，其中涉及这类耦合系统的建模、求解方法、频散曲线与传播波性质、外激励下的共振频谱及阻尼材料降噪等。

And we by the NDR curve of the IV curve can be observed, NDR device has a very special non-linear phenomenon, Usually composed of a non-linear circuit components are usually chaotic phenomenon, so we raise our six different structure in addition to the new frequency, and to explore the phenomenon of chaos, and the use of the cycle of chaotic phenomena in addition to the frequency multiplier effect achieved .

而我们由NDR的I-V curve曲线可以观察到，NDR元件具有非常特别的非线性现象，而通常一个非线性元件所组成的电路通常会有混沌现象，因此我们提出六种不同架构的新型除频器，并且探讨其中的混沌现象，而利用混沌现象中的周期倍增所实现除频效果。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。