文中提出等效噪声功率谱密度的概念。
The concept of "equivalent noisy power spectral density" is introduced in this paper.
爆破振动；损伤；功率谱；边坡；数值模拟。
Blasting Vibration; Injury; Power Spectrum; Slope; Numberical simulation.
文中主要描述了信号功率谱的计算和实现方法。
The methods of computation and realization of signal power spectral density are mainly discussed.
首先建立了脉动风荷载的功率谱密度函数矩阵。
The matrix of power spectral density function of fluctuating wind load is established first.
其二是利用两两毗邻的记录道来估计信号功率谱。
Estimate the signal power spectrum from recorded traces in neighbouring pairs.
在计算方法上，创造性地利用功率谱来计算血流参数。
And the blood flow parameters are calculated with the power spectrogram method.
功率谱密度是评价流通环境过程中随机振动的有效工具。
Power spectral density is an effective tool to evaluate random vibration in circulation environment.
根据相位噪声功率谱的幂律模型，近似地模拟了相位噪声。
Flicker noise is approximately simulated by power law model of phase noise spectral density.
利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
工程表面的二维功率谱包含了丰富的有关表面特征的重要信息。
Two-dimensioning power spectrums of engineering surfaces contain plenty of information that is important to surface characterization.
用平均平滑周期图法分别估算出信号与噪声的功率谱密度函数。
The power spectrum of the noise and signal are estimated by the average smooth periodogram method.
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。
The random rail roughness samples are yielded using random numerical method and power spectral density function.
阐述了功率谱的谱峰位置和谱峰高度与木材空洞大小之间的关系。
The research has shown that position and height of power spectrums have connection to the size of holes.
求出了频率响应函数以及输入为平稳和非平稳情况下的功率谱函数。
The frequency response function and the power spectrum function for stationary and non-stationary inputs are obtained.
方法利用慢性埋藏电极记录清醒家兔海马和脑皮层eeg及功率谱。
Methods EEG and EEG power spectrum were recorded in conscious rabbits with chronical implanted electrodes.
本文尝试把功率谱用于测井信号处理，并对储层的流体性质进行识别。
In this paper, spectrum is used for logging data processing and identifying the fluid property of reservoir.
本文推导了采用不同孔径参数的实验结果，以及波前斜率的功率谱密度。
The experimental results of the different aperture parameters and the power spectral density of wavefront slope are derived in the paper.
这说明对于实际地震加速度图，其功率谱是与均值速度反应谱相对应的。
This means that for actual earthquake accelerograms their power spectrum corresponds to mean response spectrum.
用等离子体动力论导出的动力形状因子研究尘埃等离子体的散射功率谱。
The scatter spectrum of radio waves by a dusty plasma has been studed with the dynamic factor which was derived from the kinetic theory.
功率谱的估计有很多方法，在进行功率谱估计时，选择合适的方法很重要。
There are many ways to estimate the spectrum and it is very important to choose a suited way.
与传统功率谱相比，矢功率谱融合了多通道的能量信息，反映的信息更全面。
Compared with the traditional power spectrum, the vector power spectrum can fuse the power information from different channels, and reflect more comprehensive information.
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum and the movement spectrums of the ship's random motion are calculated and created.
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。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
分析了其特性，包括编码效率、误码特性、功率谱、帧同步一次通过捕获特性等。
Its properties are analyzed, such as code efficiency, error Bit rate, power spectrum, the acquisition probability of the first frame marker.
将输入图像置于这种全息透镜的前面或后面，均能得到物体的傅里叶变换功率谱。
The Fourier transform power spectrum of input object can be obtained when the input image is placed at the front or back of the hololens.
分析了LED芯片非接触检测系统噪声信号的功率谱，研究了噪声信号的抑制方法。
The noise power spectra of the non-contact detection system for LED chips and the noise suppression methods are discussed.
相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
本方法不需要特征分解，并且得到的是通常意义上的功率谱(可用于估计信号的能量)。
In this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).
本方法不需要特征分解，并且得到的是通常意义上的功率谱(可用于估计信号的能量)。
In this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).
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