1) spectrum dimension
功率谱维数
1.
In this paper,different fractal characteristics of leakage current(LC) are calculated,including box dimension, spectrum dimension and wavelet-fractal dimension.
为此,以分形理论为基础研究了高压污秽绝缘子泄漏电流的盒维数、功率谱维数和小波分维数。
2) two-dimensional power spectrum
二维功率谱
1.
Due to the fabrics structure having some periodicity in space,after its origin image being scanned into computer (including reflected image and transmissive image) and being disposed in advance,the image of two-dimensional power spectrum and image of auto-correlation of fabrics can be obtained by using Fourier transform technology.
针对织物结构具有一定空间周期性的特点 ,运用扫描仪获取织物原始图像 (反射图像和透射图像 ) ,在对织物图像预处理的基础上通过傅立叶变换得到织物图像的二维功率谱图像及自相关图像 ,由此求得织物的经纬纱密度和组织循环经纬纱数等织物组织结构参数 ,并开发了织物组织结构参数自动识别系统 ,具有一定的推广价
3) spectrum exponent
功率谱指数
1.
The power spectrum exponent analysis indicates that there are three differ- ent intervals where the static water heights have the effect on vibration energy.
信号的功率谱指数分析表明,静态液位对振动能量的影响存在于3个区间,分别为0。
4) logarithmic power spectrum
对数功率谱
1.
As for nonwhite noise problem of reflection coefficient, we may employ logarithmic power spectrum to estimate the autocorrelation function of seismic wavelet, then obtain seismic wavelet and deconvolution opera.
当地震子波为非最小相位时,可利用指数加权方法使之小相位化;对于反射系数非白噪声问题,本文提出利用对数功率谱来估算地震子波的自相关函数进而求取地震子波以及反褶积算子的方法;对于理想的期望子波,本文采用“宽带雷克子波”作为期望输出子波。
5) power spectral density function
功率谱密度函数
1.
Analysis about evaluating method of power spectral density function;
功率谱密度函数评价方法探讨
2.
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。
3.
Using random process analysis method the characteristic parameters, amplitude density function autocorrelation function and power spectral density function of the surface topogtaphy of each component can be obtained separately.
在对电加工零件表面粗糙度进行测量,得到大量的实测数据(即测量算术平均偏差Ra在表面径向等角距的八个方向的数据)的基础上,运用随机分析方法,分别求出每个零件表面形貌的特征参数、幅度密度函数、自相关函数和功率谱密度函数,通过对这些特征参数及函数图形进行分析,评估电加工零件表面形貌,为制订合理的表面粗糙度评定参数作准备。
6) the power-law decay of power spectrum
功率谱指数衰减
1.
09 m in diameter and 1m in height) with polyethylene particles were analyzed using both mutual information theory and the power-law decay of power spectrum intensity.
根据功率谱低频发散与阵发性混沌本质之间的联系,通过分析压力波动信号的功率谱指数衰减,并结合互信息函数分析,证实了流态化动力学所具有的阵发性混沌特性。
补充资料:功率数
分子式:
CAS号:
性质:又称功率准数。搅拌叶轮搅拌功率与流体密度、叶轮转速的立方及叶轮直径的五次方的比值。它表示搅拌叶轮的功率特性。
CAS号:
性质:又称功率准数。搅拌叶轮搅拌功率与流体密度、叶轮转速的立方及叶轮直径的五次方的比值。它表示搅拌叶轮的功率特性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条