• AMI generated code, and for its power spectral density and time - domain waveform.

    产生AM i功率密度时域波形

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  • The concept of "equivalent noisy power spectral density" is introduced in this paper.

    文中提出等效噪声功率密度概念

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  • The matrix of power spectral density function of fluctuating wind load is established first.

    首先建立了脉动荷载功率密度函数矩阵

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  • 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计算实现方法

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

    通过分析托管信号方式,提出了一种基于功率谱密度分布调节阀扰动信号分析方法

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  • Power spectral density is an effective tool to evaluate random vibration in circulation environment.

    功率密度评价流通环境过程随机振动有效工具

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

    对于连续风,由频响函数求得响应功率密度

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

    功率密度值时域指标体温反应指数(TRI)有极好的相关性

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  • 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功率密度函数生成随机轨道粗糙度

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  • With increasing longitudinal distance, the velocity Power Spectral Density (PSD) peak shifted to lower frequencies.

    随着流向距离增大速度功率(PSD)曲线呈现峰值低频移动的现象。

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

    针对问题,笔者提出了一种基于快速傅立叶变换功率密度计算的解决方法

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  • We analyse statistics properties of ground clutters and study AR model of correlated clutters power spectral density.

    分析统计特性研究相关雷达杂波功率特性AR模型及其模拟方法。

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  • The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.

    地面运动加速度功率模型零均值平稳高斯过程,描述过滤噪声施加支撑点。

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  • The power spectral density of gearbox vibration signals is estimated by the periodogram from which original feature sets are derived.

    为解决问题,提出了利用频域特征和遗传编程对齿轮箱盖多类状态振动信号进行特征提取的方法。

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  • The experimental results of the different aperture parameters and the power spectral density of wavefront slope are derived in the paper.

    本文推导了采用不同孔径参数实验结果以及波前斜率的功率密度

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  • Firstly, the power spectral density function of refractive index is given including the effects of inner and outer scale of the turbulence.

    首先给出了包含大气湍流尺度效应折射率功率密度函数

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  • The results indicate that the power spectral entropy of blood pressure waveform in this study can be a new measurement of heart rate fluctuations.

    这一结果预示血压功率作为心率波动新的度量

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

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

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  • 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.

    相同激励信号作用,结果显示功率密度无法分辨非最小相位信号。

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

    压力信号功率密度具有频率波动范围、幅值的特点;

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  • 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密度函数研究时间序列信号频率特征

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

    功率密度不论程度如何,整体频率增大其能量按指数递减连续频谱;

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

    工程结构随机地震反应分析域中用到地震动的功率密度函数

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  • Then the power spectral densities of UWB signals with difference parameters are simulated by the simulation model, and the feasibility of the model is validated.

    文中还应用该仿真模型具有不同参数UWB信号功率谱进行了仿真,验证仿真模型的可行性

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  • 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.

    应用功率分析的方法,提取出同时段百年尺度千年尺度的古季风周期,其中71a周期本文首次提出,并认为东亚季风活动显著的基准周期之一。

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  • 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标准分级道路功率密度相应国际平整度指数之间关系进行了研究。

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  • Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.

    传统语音信号特征的提取基于FFT 的能谱分析方法噪音环境情况下,对噪音频谱成分语音信号的频谱成分的处理采用“平均主义”原则。

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  • Finally, a novel robust feature parameter, Adaptive Subband Power Spectral Entropy (ASPSE), is presented to successfully detect endpoints in different background noises.

    发现了一种新颖鲁棒特征参数-自适应(aspse),它能成功地不同背景噪声下检测语音端点

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  • Different types of digitally modulated signals that have similar, if not identical, power spectral density functions can have highly distinct spectral correlation functions.

    一些不同数字调制信号有着相同或相近功率密度,但它们的谱相关函数明显区别。

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  • Different types of digitally modulated signals that have similar, if not identical, power spectral density functions can have highly distinct spectral correlation functions.

    一些不同数字调制信号有着相同或相近功率密度,但它们的谱相关函数明显区别。

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