| 1. | Payment transfers in dem or frf are counted as payment transfers in eur
涉及德国马克或法国法郎的支付转拨已计入欧罗的转拨。 |
| 2. | Frequency response function ( frf ) contains abundant structural dynamic characteristics , but the high redundancy and the huge data confine its application
结构的频响函数包含了更丰富的结构动力信息，但数据量大、冗余度高，不利于工程应用。 |
| 3. | One patient ' s tumor recurred . conclusion combining the frf with the tmf is feasible for repairing extensive through - and - through cheek defects following extensive surgical dissection of buccal malignant tumors
面颈胸旋转皮瓣复合颞肌筋膜瓣修复颊部肿瘤切除术后大面积洞穿缺损的效果理想。 |
| 4. | Results show that 27 or 20 principal components can extract the dominating features of frf , and the corresponding covariances of the reconstruction error are 0 . 0097 and 0 . 0134 respectively
误差分析结果表明，采用27或20个主元能提取润扬悬索桥的主要动力特征，重构误差的均方值分别为0 . 0097和0 . 0134 。 |
| 5. | The dynamic charactersistics of runyang suspension bridge are studied according to the real time monitoring system , and the frf is reconstructed by a few principal components
具体针对润扬长江大桥，结合实时监测系统的测点布置，对南汉悬索桥进行了动力特性分析，根据降维后的较少主元对结构频响进行重构。 |
| 6. | The main features of the frf of long span runyang bridge , which has 1 024 dimensions , can be extracted by 27 or 17 principal components , and the reconstruction error is acceptable
对于大跨斜拉桥（润扬长江大桥北汉斜拉桥）的1024维频响函数可以仅用27个（或17个）主元来提取其主要特征，精度可满足工程需要。 |
| 7. | The error analysis shows that the main features of frf can be extracted by using less principal components , and the more the principal components , the more precise the reconstructed frf
误差分析表明，可以用较少的主元向量来综合表征高维的结构频响函数；并且选取的主元个数越多，对频响函数的表征越精确，重构误差也越小。 |
| 8. | The dynamic behavior of a long span cable - stayed bridge ( north bridge of runyang yangtse river bridge ) is calculated , the frequency response function ( frf ) is compressed using principal component analysis ( pca ) , and the frf is then reconstructed based on a few , principal components
摘要针对润扬长江大桥北汉斜拉桥进行动力分析，采用主元分析对其频响函数进行了有效降维，并根据降维后的主元重构了结构频响。 |
| 9. | Classically , the modal parameters of a automobile are derived from frf measurements in well - controlled laboratory conditions using hammer of shaker excitation , this requires additional measurement costs and time . however , the modal vibro - acoustic behavior of an automobile on the road may differ significantly from the one during the laboratory test due to e . g
传统的汽车模态识别方法是在良好的实验室控制条件下，用力锤等激振器激振车体，以此获得准确的导纳函数，来识别汽车的模态参数。 |
