片语

evolutionary power spectrum density演变功率谱密度

Power Spectrum Density MASK功率谱密度模板

static power spectrum density静态功率谱

noise power spectrum density噪声功率谱密度

power spectrum density chart功率谱密度图

power spectral density[物] 功率谱密度

power spectrum density distribution功率谱密度分布

Power Spectrum Density Function功率谱密度函数

instantaneous power spectrum density瞬时功率谱密度

mean power spectrum density平均功率谱密度

英汉例句

• wind field parameters involved in wind field simulation include mainly turbulent wind power spectrum density and spatial-correlation function, which is measured and applied to wind simulation.

  风场模拟涉及的风参数主要包括脉动风谱和空间相关函数，对风洞中的风场参数进行了实测拟合并应用于风场模拟当中。

• three axes hydraulic shaking system as the means to recreate vibration environment can accurately reproduce reference power spectrum density and time history response.

  三轴液压振动系统是实验室内模拟振动环境的主要设备，其主要功能是精确地复现给定的功率谱和时间历程。

• an analysis of a type of angular contact ball bearing under given input power spectrum density is performed. the result demonstrate that the bearing is safe in any load direction.

  以某种角接触球轴承为例，验证了其在给定输入功率谱密度下任意方向加载都安全。

• on the basis of data processing, we analyze the power spectrum density of coordinate component noise at each site and calculate the spectral indexes manifesting the noise property of each component.

  在对数据进行清理的基础上，分析了各站坐标分量噪声的功率谱密度，计算了表征各分量的噪声特性的谱指数。

• as a result, some parameters of the key points have been got including the power spectrum density (psd), the response variance, the gust response factor for load and displacement.

  生成了若干关键点的功率谱密度（psd）和响应的均方值，以及荷载风振系数、位移风振系数。

• the transfer functions, response power spectrum density functions, and root-mean-square (r. m. s) values are obtained.

  给出了传递函数、响应功率谱、响应方差计算公式。

• in the end the proposed method is used to detect early bearing faults in one helicopter gearbox and the results demonstrate that it is superior to power spectrum density (psd) and demodulation an.

  最后在某型直升机齿轮箱轴承故障的早期检测中进行了实验验证。

• giving concrete digital-modulated form, the mean power spectrum density of the signals discussed can be obtained in this way. the calculation can be done on computers.

  给定具体的数字调角形式，用这种方法可在计算机上计算所给信号的平均功率谱密度。

• based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.

  从雷达杂波的分布特性出发，分析了杂波的解析模型，阐述了雷达杂波幅度的概率密度分布及其功率谱密度分布。

• tam method of analyzing power spectrum density of heavy-tailed on/off source;

  分析发现，合法流量和包含攻击包流量采样在功率谱密度上存在显着差异。

• meaning: the self-correlation function and power spectrum density function of a power-typed signal compose a ft pair.

  上式表明：功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。

• a kind of three component code ab c which is used in the system is put forward, autocorrelation and power spectrum density functions of this compound code ate analysed.

  提出了一种用于测控系统的三元码，并分析了这种复合码的自相关函数和功率谱。

• the simulation results show that the power spectrum density of the combined pulses, which is obtained through two coefficient combination ways, approaches to the fcc uwb indoor spectral mask.

  仿真结果表明，两种系数选择方法所得组合脉沖的功率谱密度均能较好地接近fcc室内频谱规范，且基于最小均方误差準则的系数选择能更好地逼近频谱规范，实现频谱资源的充分利用。

• the power spectrum density (psd) function is important in gust load flight experiment data analysis.

  功率谱密度（psd）函数在阵风载荷飞行试验数据分析中占有重要的地位。

• it is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.

  这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。

• buffeting responses of structures are excited by buffeting forces, which are determined by the aerodynamic admittance function (aaf) of structures and power spectrum density of turbulence.

  结构的抖振响应由结构上的抖振力决定，而结构上的抖振力又由结构的气动导纳函数和阵风谱决定。