• 本文采用搜索极大方法,进而实现故障精确测距

    To find out the singularity of the high coefficients of fault signal, the paper adopts the method of searching modulus maxima and realizes the precise rangefinder fault.

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  • 解决海空复杂背景红外弱点目标检测,提出基于小波变换极大的检测算法

    The new algorithm based on wavelet transform modulus maxima was presented to resolve the problem of weak infrared point targets detection under the complicated background of sea and sky.

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  • 因此文中采用了一种噪声控制极大值的算法进行消取得了较好的处理结果

    Therefore, a modules maxima algorithm controlled by noise is adopted in the paper to remove noise and acquires prefer results.

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  • 传统极大序列处理方法虽然可以保留信号特征但降噪信号奇异毛刺轻微振荡

    Although traditional processing method of modulus maximum array can retain characteristics of signal, the signal after de-noising exists thorns and slight oscillation at singularity point.

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  • 通过预处理滤除工周期分量消除小波变换信号峰值处极大从而避免了故障误判

    As wavelet module maxima occur at peaks of signal, the pretreatment removes power frequency periodic components from electric signal and thus avoids misjudgments of fault.

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  • 根据极大特征提取中的应用,本文提出了种基于模极大值的超声波回波探测沉积物分类方法

    A classification method was proposed based on the application of modulus maxima in feature extraction. Different echo is gained to detect different sediment.

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  • 基于信号奇异性检测理论利用小波分解高频系数是否具有极大值作为区分稳态稳态现象判据

    Based on the theory of signal strangeness detect, the maxima modulus in high frequency of wavelet resolving can be used as a criterion to classify steady and non-steady state phenomena.

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  • 基于小波变换各个尺度极大值,本文深入研究异常心电信号尤其是梗死发生时S - T段的检测

    Based on the modulus maxima at each scale of wavelet transform, this paper does a research into the detection of S-T segment of abnormal ECG, especially that of myocardial infarction.

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  • 通过信号噪声奇异性分析得出信号与噪声的波变换极大值在各个尺度上的表现截然相反的结论。

    The singularities of signals and noises are investigated. A conclusion is drawn that the wavelet modulus maxima of signals have contrary behaviors from that of noises.

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  • 通过信号奇异检测对信号,提取出被检测信号极大进而实现了信号的故障测距

    By detecting signal strangeness and reducing signal noise, the paper arrives at the maximum value of the detected signal, thus the fault location of the traveling wave signal is achieved.

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  • 探讨了分形测度小变换极大线拓扑情况,并提出了一种基于小波变换极大值的多重分形估算方法

    Topologic bifurcation situation of maxima lines is also discussed. In the end, an estimation for multifractal spectrum is proposed in terms of wavelet module maxima lines.

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  • 利用小变换极大小波测度分别对其进行检测对比表明,小波熵测度能准确实时地检测到各种暂态信号

    The contrast between wavelet transform maximal modulus and wavelet entropy shows that the latter is a better approach to detect transient signal accurately and timely.

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  • 论述了小分析、信号奇异性小波变换极大值性质关系基础上,本文给出了一种基于小波变换模极大值的信号去算法

    Based on the wavelet transform and the relation between signal singularity and wavelet transform modular maximum, a noise removal technique is discussed.

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  • 利用变换极大原理,提出了小波变换尺度谱检测信号波至点方法,研究了其检测噪声有噪声条件下的瞬态信号的能力。

    Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described.

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  • 二次光滑作为小波函数,水果红外图像进行进小波变换,计算了小波变换结果的局部极大值点,从而得到了水果红外图像的轮廓。

    A quadratic lubricity wavelet as wavelet function was defined to do the two dimensional dyadic wavelet transform on fruit infrared image, and to get local modulus maxima from the results.

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  • 其次使用小波变换模极大方法上证指数、深证成指支股票青岛海信、青岛啤酒、青岛海尔五分钟高频数据进行了多重分形分析,并MFDFA法的计算结果进行比较

    Next. WTMM is used to analyze multifractal spectrums of three stocks 5-minute high-frequency data of Qingdao Hisense. Qingdao beer and Qingdao Haier, and WTMM's results is compared with MFDFA's.

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  • 软件产品拷贝需要极大精度生产工厂一件弥足珍贵物品

    A prized object in the factory is the stamper, the master copy of a software product that takes great precision to produce.

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  • 适用多种情况,且精度省事结构应力分析带来极大方便

    The negative elastic modulus method, highly accurate, easy to use, is useful in many cases, and it brings great convenience to the stress analysis oJ structures.

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  • 第四部分中,我们主要探讨了相对强局部相对极大直接联系一类

    In section four, we mainly discuss r-strongly local module which is a class of modules being directly connected with r-small submodules.

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  • 由此产生技术可以极大缩短周期、降低生产成本

    Rapid near net shape casting technology can reduce the period of making model and the cost.

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  • 近些年盲信均衡引起了人们极大兴趣,其中应用广泛的自适应均衡算法盲信道均衡算法。

    In the last few years, blind equalization techniques have gained an increasing interest. The most popular blind adaptation algorithm is the constant modulus algorithm (CMA).

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  • 从 而极大降低了车身广告制作成本缩短制作周期对车身广告制作 式的一种根本性改进

    So it will reduces the production cost of bodywork advertisement tremendously, shorten the production period, it is a basic improvement of the bodywork advertisement production pattern.

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  • 零件自身尺寸限制极大影响了强度刚度

    It is restricted by limit of punching part, the strength and rigidity of punch is affected significantly.

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  • 典型冲压整修结构零件自身尺寸限制极大影响了强度刚度

    Taking the die structure of typical punching parts shaving die as an example, since restricted by the parts size itself, the intension and rigidness of concave die is seriously affected.

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  • 由带端点反射极大时共振分布我们可以得到,带隙由于同时激发两个泄露之间的相互作用造成的。

    Electric field distributions reveal that this high reflectivity gap is due to the coupling between these two coincidentally excited leaky modes.

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  • 扼流圈高频特征极大影响电磁干扰EMI滤波器抑制传导EMI噪声的性能

    The high frequency parasitic parameters of common mode(CM) choke significantly influence the performance of electromagnetic interference(EMI) filter for conducted EMI suppression.

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  • 扼流圈高频特征极大影响电磁干扰EMI滤波器抑制传导EMI噪声的性能

    The high frequency parasitic parameters of common mode(CM) choke significantly influence the performance of electromagnetic interference(EMI) filter for conducted EMI suppression.

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