spectral density
英 [ˈspektrəl ˈdensəti]
美 [ˈspektrəl ˈdensəti]
谱线（频谱）密度
双语例句
- A method of detection cyclic spectral density for DS/ SS signal
直接序列扩频信号的周期谱密度检测法 - This paper derived the recursive formula of autocovariance function and a three-stage algorithm of computing spectral density of MAR model, thus we solved spectral analysis problem of MAR model.
针对MAR模型导出其自协方差函数的递推关系式及计算谱密度的算法，从而从理论上解决了这一模型的谱分析问题。 - Algorithm of Artificial Time Histories Meeting Requirements of Both Fitting of Response Spectrum and Envelop of Power Spectral Density
同时满足反应谱匹配和功率谱密度包络要求的人工时程生成算法 - A random signal of known statistical properties of amplitude, distribution, and spectral density.
振幅、分布及谱密度等的已知统计特性的随机信号。 - Power spectral density method for impact evaluation of viaduct traffic in surrounding environment
高架道路交通荷载对环境影响的功率谱方法 - The application of the single-ground-motion analysis method shall meet the requirements of envelop of the power spectral density as well as fitting of the target response spectrum.
采用单组人工时程分析法不仅需要匹配目标反应谱，而且要满足功率谱密度的包络要求。 - Then, the power spectral density ( PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线； - The random vibration analysis of transmission tower based on wind power spectral density method;
用复模态方法求解了输电杆塔基桩轴向振动的线性偏微分方程。 - Double frequency spectral density functio
双重频率谱密度函数 - The data of road spectral density is used to calculate the stresses of the vehicle frame.
为此需根据已知路面谱计算车架的动应力。 - Research on Replication Algorithm for Power Spectral Density Based on Adaptive Filter
基于自适应滤波器的功率谱复现算法的研究 - AR model coefficients calculated according to the power spectral density ( PSD).
根据AR模型系数计算功率谱密度（PSD）。 - The calculation of the spectral density of non-linear wave forces is presented in detail, based on linearized approach and polynomial-approximated approach, respectively.
该文详细介绍了采用线性化法和多项式逼近法求解非线性波浪力谱密度的过程。 - Application of assessment of economic loss of qingdao sea area by concentration-value loss factor Damage Detection of Steel Bridge Based on Acceleration Power Spectral Density
基于浓度-价值损失率法的青岛海域水污染价值损失研究加速度功率谱密度在钢桥损伤检测中的应用 - Comparison of Ultra-Precision Machined Surface Roughness Measurement Methods and Power Spectral Density Characterization
超精密加工表面粗糙度测量方法对比及功率谱密度评价 - At last, the power spectral density function and the mean square value function of the random displacement response of a plate with stationary random current of white noise were calculated.
最后通过具体算例，对处于外加磁场中的导电薄板通以理想白噪声的平稳随机电流，对其位移响应的功率谱密度函数和均方值函数进行了计算。 - Random vibration analysis of dynamic characteristics of tall building structure based on power spectral density of wind pressure method
基于风压功率谱函数法输入的高层建筑结构动力特性 - Estimated energy average period from spectral density distribution
从谱密度分布估算波浪平均周期 - Simulation of Multi-state Digital Baseband Signal's Power Spectral Density
多进制基带信号功率谱密度的仿真分析 - The concept of "equivalent noisy power spectral density" is introduced in this paper.
文中提出等效噪声功率谱密度的概念。 - Then they were imported to MATLAB and calculated to obtain the power spectral density ( PSD).
将数字声波信号导入MATLAB软件进行处理，得到其功率谱密度图。 - 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准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。 - We evaluate mid frequency error of optical component surface profile by power spectral density function.
提出一种可用于评价任意面型微光学元件制作误差的方法。 - Based on the power spectral density function of impulse wind load, the time history of impulse wind load varying along with the space positions has been concisely simulated.
通过研究随机过程峰值分布的规律，提出了由随机过程的功率谱密度函数来分析随机过程峰值概率密度函数的新方法。 - The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed.
分析了随机信号对开关函数功率谱密度特性的影响，据此提出随机脉宽调制技术的实用化设计方法。 - Identification of Digital Modulation Signals Based on Cyclic Spectral Density and Statistical Parameters
利用循环谱和参数统计的数字调制信号识别 - Power spectral density method of defects on optical elements of high-power laser facility and its equivalent algorithm
高功率固体激光装置光学元件缺陷分布的功率谱密度方法及等效求法 - Double frequency spectral density functio three-dimensional dynamic spectrum analyser
双重频率谱密度函数三维动态频谱分析仪 - We analyse statistics properties of ground clutters and study AR model of correlated clutters power spectral density.
分析了地杂波统计特性，研究了相关雷达杂波功率谱特性的AR模型及其模拟方法。 - A idiographic method and step using signal and noise Power Spectral Density design band-pass filter was put forward.
提出了通过分析有用信号功率谱和干扰信号功率谱设计滤波器的具体方法和步骤。