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.
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.
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.
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.
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.
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.
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…
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…
应用推荐