实变元与哑变元之间的对应 correspondence between actual and dummy argument
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The real part of the complex impedance decreases with frequency ; the imaginary part of the complex impedance increases with frequency to the maximum , and then decreases with frequency ; and phase angle decreases with frequency increasing 结果发现辉长岩复阻抗的实部随频率的增加而减小,而虚部随频率增加先增大后减小;相角随频率增加而减小。
( 3 ) the conventional interpolated dft algorithms are analyzed . a new method , which estimates frequency with high precision and fast rate compared with the mentioned methods for the real single tone based on dft , is presented ( 3 )在分析常规的插值算法基础上,提出了一种单信号的快速插值频率估计方法,只需三个fft变换系数的实部构造频率修正项,计算量低。
Another method using complex wavelet transform and interscale model is more complex and need more time to get the final result , but it is more accurate . this paper builds a intersale models for the module of complex wavelet coefficients 一般的复小波系数的层间模型都是对它的实部和虚部分别建立模型,而本文对复小波系数的幅值建立层间模型并且改进了方差估计方法。
In the second part , the deduced self - energy in 63 theory is derived at hard thermal loop approximation . then we calculate the effective mass and damping rate , and also show that there is thermal instability above a critical temperature tc 在此基础上,出自能实部和虚部与一些介质效应的对应关系式,进而求得了粒子的有效质量和衰变率,并讨论了_ 6 ~ 3理论的热不稳定性。
The classical conclusions of topological linearization of the differential equation ( none of the eigenvalues of a has zero real part ) are given by and . but , their conclusion are only limited to the small neighborhood of origin 微分方程(其中a的特征根实部异于零)拓扑线性化的经典结论是由与给出的,但是他们的结论都是局部拓扑线性化,即要求同胚函数限制在原点的小领域内。
Measurements had been performed under a ps laser excitation at 1064nm and 532nm using the z - scan technique . the real part of x ( 3 ) showed positive nonlinearity for both measured wavelength . nonlinear absorption evidently existed that attributed to saturation absorption process 在1064lun和532run激光波长下,多孔硅的实部均为一个正值,样品存在明显的非线性吸收,这种吸收与饱和吸收相对应。
In chapter 3 , the statistical properties of raw data of the received electromagnetic waves are analyzed and computed , which show that the real and imaginary parts of sar raw data have zero means , slow changing variance , and asymptotically gaussian distribut 第三章分析和计算了合成孔径雷达原始数据的统计特征。原始数据的实部和虚部满足均值近似为零的渐进高斯分布且相互独立,数据的熵值较高。
Let f is a circularly symmetric function , , with constructing a positive real function and using integral method , the difference of the modular of successive coefficients of k symmetric functions of circularly symmetric functions is also obtained , which is a sharp estimate 当f为园对称函数, = 1 / k ( k = 2 , 3 , … )时,通过构造一个正实部函数,利用积分方法,得到了k次圆对称函数相邻系数模之差的精确估计。
Wavelet is suitable to non - stationary signals processing . we applied wavelet transform to insar data processing and did following researches : 1 ) assumed the probability density function of signal and noise of real part and imaginary part of sar interferogram 本文将小波分析应用于干涉sar数据处理,进行了以下几方面的研究: 1 )将干涉图复数据分为实部和虚部,对实部、虚部的信号和噪声的概率密度函数进行假定。
With the increase of the sintering temperature , the e " and tgs of mas - si / c / n composites are increased . the " of mas - si / c / n composites changes irregularly with the increase of temperature due to the change of phase composition 随着烧结温度( 1200 1300之间)的升高,热压反应烧结mas - si c n复合材料的介电常数实部明显上升,而虚部随温度的变化较为复杂,这与mas - si c n复合材料的相组成随温度的升高发生变化有关。