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。
A frequency domain adaptive maximum likelihood (ML) time delay estimation algorithm based on squared coherence function is proposed.
提出了一种基于平方相干函数的频域自适应最大似然时延估计算法。
Use is made of a quasi-randon coherence function computer to carry out on-line identification for a typical chydroelectric servo position control system.
利用伪随机相关仪对电液系统进行在线辨识已有成功先例。
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.
利用机翼升力面理论分析了桥梁抖振升力沿跨向的相关函数。
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，在该通信中，互相干函数的主要贡献来源于相干场，而非相干场的贡献也是较大的。
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，各种相干函数及相干度，对直边象场分布的影响。
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.
给出了系统的传递函数、多重相干函数及迭代精度，从而得出采用这种控制技术的可行性结论。
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).
本文采用二阶相干函数理论研究了级联三能级系统中三阶及五阶极化拍频(TPBCTS及FPBCTS)的非线性效应。
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.
模态测试时，利用单点(多激振点)激励多点响应模态试验分析方法来获取完整模态参数，引入相关函数分析测试信号的可靠性。
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...
定义了偏凝聚函数，并验证其正确性，然后将结果推广到多输入多输出线性系统，最后简述其应用。
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、噪声信号频谱分析和相干函数分析技术，从理论上说明变速箱故障诊断的依据。
By taking the consumer's perspective, we focus on the function of the service. Contrast this approach with using the following coherence criteria.
通过使用者的视角，我们会将重点放在服务的功能上。
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，会话含义理论和关联理论都对隐性连贯有解释作用。
This paper presents coherence concepts including time coherence, spatial coherence and complex correlation function.
本文介绍光的相干性概念，其中包括空间相干性、时间相干性和复相干函数。
Lexical cohesion is and important method to realize the function of the discourse coherence.
词汇衔接是实现语篇连贯功能的重要手段。
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的缺点，提出了一种用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。
The textual function refers to the integrity, identity and coherence of a text.
其中语篇功能指的是语篇的完整性、一致性和衔接性。
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，分析并推导了自聚焦透镜的三维相干成像公式。
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，分析并推导了自聚焦透镜的三维相干成像公式。
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