片语

power-spectral method光谱法

power r spectral density功率谱密度

displacement power spectral density位移能谱密度

power spectral indensity功率谱密度

power spectrum[物] 功率谱

power-spectral density psd功率谱密度

the cross-power-spectral method互功率谱法

Power spectral analysis功率谱分析

英汉例句

• The methods of computation and realization of signal power spectral density are mainly discussed.

  文中主要描述了信号功率谱的计算和实现方法。

• This paper briefly introduces the mathematical processing of ARM used in power spectral analysis of discrete time-histories data and confirms the usalitity of ARM in earthquake engineering.

  本文扼要叙述了用于离散时程数据的功率谱分析的自相关回归法（ARM）的数学过程。

• The approach of continuous gust response was based on the calculation of the power spectral density.

  对于连续突风，由频响函数求得响应的功率谱密度。

• With same input signal to excite two systems, the results show that the power spectral density of the output can「t identify non-minimum phase signal.

  用相同的激励信号作用，结果显示，功率谱密度无法分辨非最小相位信号。

• Land clutter」s power spectral model is presented, and the characters of the probability distribution of land clutter's amplitude are also analyzed.

  对地面雷达地杂波建模方法进行了深入研究，给出了地杂波功率谱模型，分析了地杂波幅度概念分布特性。

• They obey normal distributions. Distributions of power spectral density (PSD) for pressure signal display narrower frequency range and higher amplitude.

  压力信号的功率谱密度具有频率波动范围窄、幅值大的特点；

• The power spectral density function of earthquake motion is usually used for the random response analysis of engineering structures in the frequency domain.

  工程结构的随机地震反应分析，常在频域中用到地震动的功率谱密度函数。

• The correlation between the standard classified road power spectral density (PSD) and international roughness index (IRI) was discussed by using regressive analysis.

  通过回归分析的方法对标準分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。

• The wavefront power spectral density (PSD) is being adopted for specifying the large optical components employed in high power density solid state laser for inertial confinement fusion (ICF).

  波前功率谱密度（PSD）被用于评价ICF激光驱动器光学元件在中频区域的波前误差。

• The random rail roughness samples are yielded using random numerical method and power spectral density function.

  采用随机数值模拟方法和功率谱密度函数生成随机轨道粗糙度。

• Spreading spectrum signals have been widely used in military and civilian fields, owning to the low power spectral density, strong anti-interference ability, good confidentiality and so on.

  由于扩频信号具有功率谱密度小、抗干扰能力强、保密性好等优点，已被广泛应用于军事和非军事领域。

• Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.

  提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。

• The bridge was actuated by sinusoid sweeping frequency wave, and then the power spectral density differences between the undamaged and damaged bridge were analyzed.

  利用正弦扫频波激振钢桥，分析其损伤前后加速度反应功率谱密度的变化。

• Its power spectral model is the twice-filtered white noise model. Moreover, the relation between the power spectral intensity and the mean value of maximum ground acceleration is set up.

  地震地面运动功率谱模型采用两次过滤白噪声模型，建立了地震地面运动谱强度与最大加速度均值之间的关系。

• The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent.

  功率谱密度不论水淹程度如何，整体为一随频率增大其能量按指数递减连续频谱；

• Fixing the acceleration sensor in the axis of the wheel, by measuring the acceleration of the axe to calculate road power spectral indirectly, this greatly simplifies the operation process.

  在负重轮轮轴处安装加速度传感器，通过测量该处的时域加速度来间接计算路面功率谱，大大简化了操作过程。

• Using power spectral analysis, centennial and millennial-scale cycles of Paleo-monsoon were extracted. In the cycles, 71 a is the basic cycle of East Asian Monsoon.

  应用功率谱分析的方法，提取出同时段百年尺度和千年尺度的古季风周期，其中71a周期为本文首次提出，并被认为是东亚季风活动最显着的基準周期之一。

• The effects of electrical stimulations to madian and sciatic nerves on heart rate (HR) and blood pressure (BP)were studied with HR power spectral method.

  用心率功率谱分析方法观察了不同频率电刺激大鼠躯体神经对心率及血压的影响机理。

• The wavefront power spectral density(PSD) is being adopted for specifying the large optical component employed in high power density solid-state laser for inertial confinement fusion(ICF).

  波前功率谱密度（PSD）被用于评价惯性约束聚变（ICF）激光驱动器光学元件中频段的波前误差。

• This paper deals with stochastic characteristic of the wind speed, and gives an auto-regressive moving-average (ARMA) model for wind speed subjected to particular power spectral density.

  该文针对风速随机变化的特性，在风速统计特性研究的基础上，用自回归滑动平均(ARMA)方法建立了具有一定功率谱密度特性的风速模型。

• But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.

  若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。

• Aiming at this problem, an effective method based on FFT and power spectral density computing has been put forward.

  针对此问题，笔者提出了一种基于快速傅立叶变换和功率谱密度计算的解决方法。

• A novel method was proposed based on the total pressure of pitot tube and power spectral density.

  通过分析皮托管动压信号的方式，提出了一种基于功率谱密度分布的调节阀扰动信号分析新方法。

• In practical application, one of the difficulties is the adjustment of the power spectral density function to various soil conditions.

  在实际应用中，调整功率谱密度函数以适应各类场地土仍是一项困难的工作。

• Objective The power spectral density functions of outpatient flow are calculated in order to study the spectral characteristics of the given time series.

  目的以门诊量资料为例，计算功率谱密度函数，研究时间序列信号的频率域特征。

• Compared with the traditional method, it does not need disassembling the power spectral densities of stochastic signal covariance and is not bound to if the power spectral densities are rational.

  与传统的方法相比，无需对随机信号的协方差函数的功率谱进行分解，不受限于协方差函数的功率谱是否为有理式。

• A high degree of relationship was found between the power spectral density and thermal response index (TRI).

  功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。