模型类型包括频率直方图、累积频率分布图及双对数坐标表示的理论分布模型。
The model types include frequency histogram, cumulative frequency distributing graph and theoretical model with double logarithmic coordinates.
模型类型包括频率直方图、累积频率分布图以及双对数坐标表示的理论分布模型。
The model types include frequency histograms, cumulative frequency distribution graphs and theoretical model with double logarithmic coordinates.
半月降雨侵蚀力占年侵蚀力的累积频率表,为估算土壤侵蚀方程中土壤可蚀性因子和植被覆盖—管理因子提供了基础。
The percentage table of rainfall erosivity for a half month period was used to calculate soil erodibility and vegetation coverage factors.
此类更新的频率可能为每天数次,也可能为周期性地应用一组累积修复。
Frequency of such updates can vary from a few per day to a set of cumulative fixes applied periodically.
累积塑性应变能随着加载频率及应力水平的增加而增加,与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
最后通过定义一个特殊的四阶累积量提取加性高斯有色噪声中的方向角、多普勒频率。
A special four order cumulant was defined to extract DOAs and Doppler frequencies from additive Gaussian colored noise.
一般的线性损伤累积理论忽略了高频率低疲劳应力所引起的构件疲劳损伤,致使预测结果与实际寿命相差很大。
But the common linear fatigue damage cumulative rule neglects the fatigue damage which is brought by the high frequency and low stress.
提出了一种基于频域高阶累积量的信号频率和到达角联合估计算法。
In this paper, a new cumulants-based method for the joint estimations of frequency and DOA of spatial signal was discussed.
通过聚焦操作,把各个窄带频率处的阵列输出矢量变换到聚焦频率处,然后求其累积量矩阵。
By focusing operation, array output vectors at different frequency bins are transformed to focusing frequency and individual cumulants matrix is got.
如果高频引力波的频率和入射方向改变,累积效应将大大减弱甚至消失。
On the other hand, the space accumulation will decreases, or even disappears, when the incident HFGW's propagating direction or frequency vary.
基于快速循环累积量实现了对LPI雷达信号频率的高精度估计。
Based on the fast cyclic cumulants method, the frequency of LPI signal was estimated accurately.
多脉冲作用时,脉冲重复频率只有在一定范围内(随材料属性改变),脉冲间的热累积效应才存在;
And if there are several laser pulses irradiated on the material, the thermal incubation effect would occur only when the repetition rate is…
针对单信道中时频重叠双信号的载波频率估计问题,提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法,实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法,实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
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