着重介绍了矢量信号处理模块的硬件设计以及互谱算法的软件实现。
The paper focuses on the hardware design of vector signal processing module and the software realization of cross'spectral algorithm.
在此基础上进行了谱分析,得到了该模型的谱密度、互谱密度和双互谱密度。
The spectrum density matrix of the proposed model was constructed and its properties are investigated.
再用最小二乘预测方法,通过剩余过程的相关函数,找到剩余过程的自谱及互谱。
Next, it finds out the spectra and cross-spectra of residual process by using least-square forecast procedure, through the correlation function of residual process.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
针对2DPSK调制方式,提出了通过对相邻两个码元信号求互谱来获取相对相位信息的互谱解调法。
Aimed at 2dpsk modulation, the cross spectra demodulation method that obtains relative phase information through calculating the cross spectra of two neighboring symbol signals is proposed.
用波数-频率谱传递函数表征包括弹性板和流体负荷在内的整个系统的特性,导出了噪声场互谱函数的一般表示式。
Using the wavenumber frequency transfer function to describe the whole system consisting of the plate and the liquid loading, a general expression of the cross spectrum was derived.
基于双水听器互谱测量法,研制的水声声强测量设备可用于测量水下声源产生的声场中任意点的声强量值或任意面上的声强量值分布。
Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.
我们将首先讨论语义谱,然后讨论语义互操作性的模式、反模式和最佳实践。
We will walk through semantic spectrum and discuss the patterns, anti-patterns and best practices of semantic interoperability.
要想理解语义互操作性,我们首先必须了解其背后的各种技术和方法,这些技术和方法统称为语义谱。
To understand semantic interoperability, we have to first know various technologies and methodologies behind it, which are collectively called the semantic spectrum.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
利用互功率谱方法对异步电动机发生多根导条断裂故障进行了模拟仿真,包括连续断条和间歇断条故障。
In this paper, the method of cross power spectrum is used to simulate rotor bars breaking faults of induction motor, including continuous breaking and intermittent breaking of rotor bars.
研究了蓖麻油聚氨酯基AB型交联聚合物(ABCP)及同步法合成互穿聚合物网络(IPN)的动态力学谱。
The synthesis and dynamic mechanical properties of AB crosslinked Polymer(ABCP) and simultaneous interpenetrating polymer networks (IPN) based on castor oil polyurethane were studied.
实验表明这种改进的互功率谱比值法与传统的自功率谱比值法的方法相比,动作模式识别率得到了提高。
The result of experimentation shows that its recognition of movement was much better than the method using traditional Power Spectrum Coefficient.
结果表明,利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
详细推导了多自由度结构多测点加速度响应的互功率谱模态矩阵展开式。
The modal matrix expansion of the cross power spectra of the multi-measurement acceleration response in the multi-DOF structure is derived in detail.
最后给出基于建立信号模型和互功率谱相位的时延估计方法。该方法对噪声和混响均具有很强的鲁棒性。
A time delay estimation method based on onset signal and CSP is proposed, it's robust to noise and reverberation.
本文采用谱域矩量法针对一种基于互耦效应的宽带相控阵天线展开了相关的研究工作。
This thesis presents some studies on a kind of broadband phased arrays based on mutual coupling, using the spectral method of moments (MoM).
本文给出用互功谱技术和多次平均方法所得的一些实验结果。
Some experimental results obtained by using cross-spectrum technique and many times average of the sampled signals are given in this paper.
麦克风间距的限制是互功率谱加权声源测向方法最大的问题,声源测向精度、角度分辨率与麦克风间距成反比。
The method used in the literature greatly limit the distance between the microphone-array, and the precision of direction finding is related to the distance of the microphone-array.
该文提出了一种用互功率谱求振型的方法,并对此理论进行了详细推导,以一悬臂梁为例对该方法进行了试验验证。
This paper gives a theoretical formulation for the extraction of mode shape by fitting the cross power spectra of the outputs and a cantilever beam is analysed.
同时指出,如需按CQC方法进行精细计算,就必须首先获得结构各点风荷载之间互功率谱密度函数的实部和虚部。
It is also pointed out that, only after both real part (or co-spectrum) and imaginary part (or quadrature spectrum) of cross spectra between random wind loads of an…
利用基因表达谱数据,通过计算互作蛋白质的表达相关系数,来筛选、优化蛋白质互作网络。
Correlation coefficient of gene expression profiles for each pair of interaction proteins is calculated to filter the protein interaction network.
利用基因表达谱数据,通过计算互作蛋白质的表达相关系数,来筛选、优化蛋白质互作网络。
Correlation coefficient of gene expression profiles for each pair of interaction proteins is calculated to filter the protein interaction network.
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