coherence function
英 [kəʊˈhɪərəns ˈfʌŋkʃn]
美 [koʊˈhɪrəns ˈfʌŋkʃn]
网络 相干函数; 凝聚函数; 相关性函数; 相关函数值
双语例句
- Application of the Partial Coherence Function on the Noise Identification of Cars
偏相干法在识别轿车噪声源中的应用 - Experimental research on vertical coherence function of wind velocities in atmospheric boundary layer wind field
大气边界层风速竖向相干函数实验研究 - The random errors in estimation of frequency response function and coherence function
频率响应函数和相干函数估计中的随机误差 - Exponential decay coefficient Cz in coherence function of fluctuating wind velocity is obtained from wind tunnel test.
得到了脉动风空间相干函数中指数衰减系数Cz的风洞试验结果。 - A multiple coherence function and partial coherence function analysis method is presented by whick the correlation between the input and output is established correctly and the effect could be given quantitatively of one or some of the input on the output in analysis a multi-input system.
对这种多输入系统，只能使用多重相干和偏相干函数分析方法，才能正确地给出全部输入与输出之间的因果关系，并定量地给出某个（或某几个）输入对输出的贡献。 - The random errors in estimation of frequency response function and coherence function are derived by using the theory of stationary random vibration and statistical error formulas of spectral density function estimation.
应用平稳随机振动理论和谱密度函数估计的统计误差公式，推导了频率响应函数和相干函数估计中的随机误差。 - In analysis and transaction of signals, spectrum analyzer is a classical and important instrument which is mainly used to analyze the time domain wave, amplitude, spectrum domain wave, demodulating analysis, digital filtering, correlate analysis, transfer function and Coherence Function of signals.
频谱分析仪是信号分析与处理中常用的仪器，它可对信号进行时域分析、幅值域分析、频域分析、解调分析、数字滤波、相关分析和传递相干分析。 - Analysis indexes include power spectrum, transfer function, coherence function and impulse response.
分析指标有功率谱、传递函数、相干函数及脉冲响应。 - According to the theory of frequency spectrum analysis and coherence function analysis, the noise of Chang Chun-40 tractor has been analyzed. The measures to reduce the main noise have been taken and good results have been achieved.
本文应用频谱分析和相干分析，对长春-40拖拉机噪声进行了分析和研究，对主噪声采取了相应的降噪措施，收到了较好的降噪效果。 - Based on test result, the distribution and character of the coherence function and scale of the fluctuation pressure are discussed.
根据试验结果，研究了脉动压力相干函数与相干尺度的分布，并对其一般性质作了一些讨论。 - The relationships between the mutual coherence function, structure function and fractal dimension were given with plane wave of incidence and spherical wave of incidence, respectively.
给出了平面波和球面波入射下互相关函数和结构函数随分维的变化关系。 - A Study on 3D Vibration of the Crankshaft and Surface Vibration of the Crankcase based on Partial Coherence Function Analysis
基于偏相干函数分析的曲轴箱表面振动和曲轴三维振动研究 - The distorted waves are filtered, and the similarity of the source functions is proved through analysing the coherence function.
对失真信号进行滤波处理，经凝聚函数分析证明了爆源的一致性。 - This model takes the correlation between four wheels into consideration. The parameters of the models were obtained by using coherence function.
该模型考虑了汽车左右轮和前后轮的相关，通过相干函数得到了时域模型的系数。 - The application of the multiple coherence function method in vehicle vibration analysis
多重相干分析方法在汽车振动研究中的应用 - The theoretical formulas of the mutual coherence function T and the modulation factor G are derived. The spatial coherence and temporal coherence are analyzed. These results are compared with the laser coherence modulation by Raman-Nath moving wave A-O effect.
给出互相干函数Г和调制因子G的理论公式，分析了空间相干性和时间相干性，并与Raman&Nath行波声光效应调制激光相干度进行了比较。 - The coherence function was used for analyzing the pressure fluctuation in a gas-solid fluidized bed.
本文采用床层压力脉动测试技术，通过凝聚函数法进行分析，对流化床气泡上升过程的变化规律进行了研究。 - This paper describes the coherence function and prediction method that is used for system model quality estimation, and model averaging in order to get more precise model in system identification process.
详细叙述了在系统识别过程中，对识别所得模型进行评判的相干函数法及预测法，和为获取更加准确模型而使用的模型平均法； - By applying the frequency responding function and coherence function produced by the pressure of impact wave at each point on skull, and by use of the viewpoint of biomechanics, we further research into brain injuries and have got some data which cannot be obtained in clinical setting.
运用冲击波压力对颅骨各测点产生的频响函数和相干函数，对脑损伤以生物力学的观点作了进一步的研究，得到了一些临床医学无法得到的数据。 - The methods of measuring the coherent parameters are discussed which include temporal coherence function, coherence length, the degree of coherence, the global degree of coherence and the average transverse coherence length.
最后，对相干参数的测量方法进行了讨论和设计。可测量的相干参数为光束的时间相干函数、相干长度、相干度的绝对值、平均相干度以及平均横向相干长度。 - The problems in noise source identification by partial coherence function are discussed.
并讨论了偏相干函数、偏复相干函数在噪声源识别中的问题。 - Fourier spectrum, little Fourier spectrum, power density spectrum and coherence function of signal were studied in frequency-domain.
频域上分别研究了信号的傅立叶谱、短时傅立叶谱、功率密度谱以及相干函数，并对上述几种方法进行了比较。 - Also, the partial coherence function and wavelet function of noise source identification MATLAB program were written. The contribution of various noise sources were quantified, making the noise contribution clearly.
并编写了偏相干函数和小波函数噪声源识别的MATLAB程序，量化了各噪声源的贡献，使得各噪声的贡献清晰、明确。 - The fourth-order coherence function theory of chaotic field is of vital importance in polarization beats with phase-conjugation geometry.
混沌场的四阶相关函数理论对多普勒增宽系统中的极化拍频是至关重要的。 - Dissert on prime identification method of frequency response function, estimation method of coherence function and iteration process, etc. By applying these to single input-single output and multiple input-multiple output system to recur road roughness, the tests achieve preferable results.
详细论述了频率响应函数的主要辨识方法，相干函数的估计方法，迭代过程等，并应用于单输入单输出和多输入多输出系统再现路面不平度的试验，取得了较好的效果。 - These concepts are the cross-spectral density function and spectral degree of coherence in the space-frequency domain, and the mutual coherence function and the complex degree of coherence in the space-time domain.
介绍了二阶相关理论中描述光场相干性质的基本概念，包括空间-时间域中的互相关函数、复相干度和空间-频率域中的交叉谱密度函数、光谱相干度。 - We have also employed second-order coherence function theory to study the nonlinear effects of third-and fifth-order on polarization beats in quasi-two-level, cascade three-level and four-level Doppler-broadened system.
我们还利用二阶相关函数理论研究了准二能级、级联三能级和四能级多普勒增宽系统中极化拍频的三阶和五阶非线性效应。 - The selection of the coherence function is of vital influence to the rotational Fourier spectrum distribution.
相干函数的选取对旋转Fourier谱的分布具有重要的影响。