• Signal detection; Periodic signal; signal coherence function; Statistical theory; Periodogram.

    信号检测周期性信号;信号相干函数统计理论周期图

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  • A frequency domain adaptive maximum likelihood (ML) time delay estimation algorithm based on squared coherence function is proposed.

    提出一种基于平方相干函数自适应最大似然时延估计算法

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  • Use is made of a quasi-randon coherence function computer to carry out on-line identification for a typical chydroelectric servo position control system.

    利用随机相关仪对电液系统进行在线辨识已有成功先例。

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  • The span wise coherence function of the aerodynamic lifting force in the buffeting response of bridges is analyzed by using the lifting surface theory of airfoils.

    利用机翼升力理论分析了桥梁振升力沿相关函数

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  • The results reveal that the main contribution to the mutual coherence function comes from coherence field, and the contribution of incoherence field can not be neglected.

    结果表明,在通信中,互相函数主要贡献来源于相干相干贡献也是较大的。

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  • This paper deals theoretically with the influences of various kinds of mutual coherence function and the degree of coherence on the distribution of straight-edge generated image field.

    本文从理论上研究了部分相干情形下,各种相干函数相干分布影响

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  • The transfer function multiple coherence function and the iteration accuracy of the system are given and hence the conclusion…application of R. P. C. technique is feasible…has been obtained.

    给出了系统传递函数多重相干函数迭代精度从而得出采用这种控制技术可行性结论。

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  • Based on the second-order coherence function theory, authors have studied nonlinear effects of third-and fifth-order on polarization beats in a cascade three-level system (TPBCTS and FPBCTS).

    本文采用相干函数理论研究能级系统中三及五阶极化频(TPBCTSFPBCTS)非线性效应

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  • During the model test, integrity modal parameters are obtained via the single-input multi-output analysis method. The reliability of tests signals is also evaluated by the coherence function.

    测试,利用单点(多激振点)激励多点响应模态试验分析方法获取完整模态参数,引入相关函数分析测试信号可靠性

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  • The partial coherence function is defined and its correctness has been verified. Then this result is extended to the linear system of multi-input and multi-output. Finally, its applications...

    定义凝聚函数,并验证正确性然后结果推广多输入输出线性系统最后简述其应用

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  • The theory of coherence function and spectrum of vibration and noise signals is applied in gearbox noise analysis in the paper. The basis of fault diagnosis of gearbox is theoretically introduced.

    应用振动噪声信号频谱分析相干函数分析技术,从理论上说明变速箱故障诊断依据

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  • By taking the consumer's perspective, we focus on the function of the service. Contrast this approach with using the following coherence criteria.

    通过使用者视角我们会将重点放在服务功能

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  • Speech act theory, conversational implicative theory and relevant theory all function in the interpretation of implicit coherence.

    它的言语行为理论会话含义理论关联理论隐性连贯解释作用

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  • This paper presents coherence concepts including time coherence, spatial coherence and complex correlation function.

    本文介绍光的相干概念其中包括空间相干性、时间相干性相干函数

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  • Lexical cohesion is and important method to realize the function of the discourse coherence.

    词汇衔接实现语篇连贯功能重要手段

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  • Finally, it gave an image de-noising algorithm of coherence enhancing diffusion, which used wavelet coefficients to estimate the image edge according to the wavelets time-frequent analysis function.

    针对相干增强扩散计算扩散矩阵较慢缺点,提出了一种小波系数估计图像边缘方向的相干增强扩散图像降噪算法

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  • By using Fourier optics method, the GRIN rod lens' 3-d coherence imagery function is analysed and derived.

    运用傅里叶光学方法分析推导自聚焦透镜三维相干成像公式。

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  • By using Fourier optics method, the GRIN rod lens' 3-d coherence imagery function is analysed and derived.

    运用傅里叶光学方法分析推导自聚焦透镜三维相干成像公式。

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