方波

Using lag\|correlation analysis method, in terpretative variances analysis method,phrase comparing method to the wavelet an alysis result,we not only gained the variation at different scales of the globa l temperature and El Nino signals,the location of the jump points and latent sca le of these series,but also indicated the magnitude,extent of the effect of exte rnal forcing factors on ...

利用小波分析方法，辅之以滞后相关分析、解释方差分析及位相对应比较方法，得到了气温变化及ENSO活动在各尺度层次上的变化，突变点位置及特征尺度，并确定了太阳活动、火山活动和温室效应等外强迫因子对气温及ENSO的影响尺度、幅度及响应时间。

By using the law of reflection,the equation of time distance curve of reflection wave under the continuous medium tilted interface,is discussed.

应用反射定律，讨论了连续介质斜界面下的反射波时距曲线方程，给出了这类模型下的成像方

Simulations are carried out upon square-aperture beam using Legendre polynomial. Conjugate gradient method is used and optimization is performed for several steps to reduce executing time.

针对方光束口径，利用 Legendre 多项式模拟光束波前分布，利用共轭梯度算法对多项式系数进行了优化计算；优化过程分为几步进行以减少计算时间。

Meanwhile, fang Hongbo of nomination of cygnet board of directors, Li Jianwei, Wang Jianguo, Wu Ganping is candidate of trustee of the 5th board of directors, the lieutenancy of 4 people stops to end of current directorate tenure of office since the day from resolution of shareholder plenary meeting.

与此同时，小天鹅董事会提名方洪波、栗建伟、王建国、吴干平为第五届董事会董事候选人，四人的任期自股东大会决议之日起至本届董事会任期结束止。

Based on the assumption that wavelet coefficients obey Generalized Gaussian Distribution, this paper adopts Maximum Likelihood principle to estimate wavelet coefficients variance of common images in sub-bands.

摘要基于小波系数服从广义高斯分布，该文采用最大似然准则估计普通图像在子带上的系数方差。

Four sub-channels are used in the forward equalizer and the coefficients of the equalizer are adjusted by the error of constant modulus algorithm. The advantages of FSE and DFE are integrated. The ideal equalization can be obtained as long as the length of the equalizer equal to or bigger than that of the channel, and the algorithm has the characteristics of faster convergence and smaller mean square error.

该算法前馈滤波器采用4路子信道系统模型，用常数模误差函数对均衡器权系数进行调整，综合了分数间隔均衡器和判决反馈均衡器的优点，均衡器权长只要大于或等于信道长度就能完全均衡信道，该算法收敛速度比波特间隔判决反馈盲均衡算法与T/4分数间隔盲均衡算法(T/4FSE)快、均方误差比BSDFE与T/4FSE小，且计算量不变，有利于信息的实时恢复。

Thresholding based on wavelet depends on the length of the signal and the level of the noise.

基于小波变换的阈值去噪方法依赖于信号的长度和噪声的方差。

For the clutter power slowly changed environment—range-dependent nonhomogeneity,the weighting covariance matrix estimation algorithm is proposed which is based on the relative distance criterion.

针对杂波功率依距离缓变的非均匀环境，提出了基于相对距离准则的加权协方差矩阵估计算法。

The failure of the fire at Fanjeaux to consume the dissertation he had employed against the heretics, and which was thrice thrown into the flames; the raising to life of Napoleone Orsini; the appearance of the annals in the refectory of Saint Sixtus in response to his prayers, are but a few of the supernatural happenings by which God was pleased to attest the eminent holiness of His servant.

失败的大火方若食用了论文，他曾聘请反对异端，并先后三次被扔进火焰；提高生命的拿波洛恩奥西尼；外表而载入史册，在refectory圣Sixtus的回应他祈祷，但也有少数的超自然现象，其中神高兴地证明了著名的成圣他的仆人。

In order to model the inhomogeneity and anisotropy in horizontal error functions of raw background error covariance,a new method is proposed to model horizontal error functions based on orthogonal wavelet transforms.

为了模拟背景误差协方差中水平误差函数的非均匀性和各向异性，提出了一种用正交小波变换模拟水平误差函数的新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。