| 1. | Identification of time - varying modal parameters by a linear time - frequency method
应用时频分析方法辨识时变系统的模态参数 |
| 2. | A study of using three time - frequency methods in the analysis of heart sound signals
三种时频分析方法在心音信号分析中的应用 |
| 3. | Photographic sound record ; difference frequency method for measurement of non - linear distortions
摄影录音.测量非线性失真的差频法 |
| 4. | A combined time - frequency method and a reassigned method are proved to get better isar image . 4
4 、研究了导弹及突防诱饵的多目标isar成像。 |
| 5. | Testing of paper and board - determination of the bending stiffness - part 1 : length of natural frequency method
纸和纸板的试验.测定抗弯刚度.第1部分:固有频率长度 |
| 6. | Petroleum and liquid petroleum products - determination of density for metrological purposes - oscillation frequency method
石油和液化石油产品.计量用密度的测定.振荡频率法 |
| 7. | Non - destructive testing ; eddy current testing of pipes and tubes ; general remarks on testing using concentric test coils and the single - frequency method
无损检验.管道和管子的涡流检验.用单频率法和同心试 |
| 8. | Analyzing the snr of time - frequency imaging method , it is found that the time - frequency method can greatly improve the snr of image
以仿真模型f - 16飞机为例，应用本文介绍的成像方法进行成像，得到了满意的结果。 |
| 9. | Firstly , the high frequency methods , low frequency methods and hybrid methods used for analysis of scattering are reviewed in the present paper
本文首先回顾了分析三维目标电磁散射的高频方法、低频方法和混合方法。 |
| 10. | Experiments show that the frequency method as gabor wavelets is better than the method which extract texture feature in space
实验表明在频率域提取纹理特征gabor小波的方法优于在空间域利用共生矩阵提取纹理特征的方法。 |
