| 1. | Effect of site condition on coherency function of ground motion
场地条件对地震动相干函数的影响 |
| 2. | Numerical simulation of ground motion coherency function on engineering site
工程场地地震动相干函数的数值模拟 |
| 3. | Partial coherence function
部分相干函数 |
| 4. | Spatial coherence function
空间相干函数 |
| 5. | But it was only about 0 . 3 when the cut off frequency of target signals increased to 0 . 4 hz
相干函数也表明在小于0 . 1赫兹时有较高的值。 |
| 6. | The result suggest that if there are enough distance combined by every site , the radius will be more accurate . the coherence method was mentioned early ( ota kulhanek , 1973 ) but no one used it to confirm redius of a seismic array
结果证明，只要台阵各勘址子台能够组合出较连续的距离值，则利用相干函数所求得的半径将更加精确。 |
| 7. | Initial growths of disturbances are measured by means of hot - wire anemometry . due to the detected signals with low signal to noise ratio , the coherence function is used to eliminate background noise during data reduction
在扰动增长的初始阶段，信号的信噪比非常地低，根据相关谱分析方法，应用相干函数，将扰动信号有效地提取出来，测量了初始扰动的增长。 |
| 8. | It has the functions of collecting vibration signal power spectruiru cepstrum and transfer function analysis and so on with the pcl _ 1800 . at the same time , the system can convert the data into the corresponding graph
本系统是windows界面下的状态监测与故障诊断系统，它在数据采集卡pcl1800的支持下，可以完成振动信号的数据采集以及功率谱、倒谱、谱阵和相干函数分析等功能。 |
| 9. | In this paper , a simplified method of calculating wind - induced response and design loads of super - high - rise buildings was proposed . coherence properties of wind load on typical tall building were analyzed and the results show that cross - wind loads at different height have strong coherence at vertex shedding frequency , and the coherence function ' s value here is near to 1
首先分析了各测点层合力的相干特性，结果显示各测点层所受顺风向风荷载之间的相干函数基本成单调衰减规律，而横风向脉动风荷载在漩涡脱落频率处存在和顺风向不同的显著相关性。 |
| 10. | Under the condition of " comparatively weak correlation between the two noises involved , coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect . meanwhile , a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform . the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems
接着针对上述nanc系统两路输入信号噪声相关性弱的情况，用相干函数作频域增益因子来提高输出信噪比与改善语音增强效果，同时，通过一种实时迭代算法解决了短时傅氏变换计算量大的问题，简化了计算，便于实时处理与实际应用。 |
