| 1. | Is this your skirt ? is this your sirt 这是你的短裙吗? 8 .这是你的衬衫吗 |
| 2. | The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters 研究成功的sirt反演算法可用于求解大型稀疏超定线性方程组,根据直达波旅行时进行速度层析反演,其精度可达到3米。 |
| 3. | We performed crosswell tomography on a real crosswell seismic line from shengli oilfield by using simultaneous iterative reconstruction technique ( sirt ) based on shortest path tree ( spt ) curved ray tracing 摘要利用基于最短路径树弯曲射线追踪的联合迭代重建层析成像( sirt )技术进行井间地震层析成像,对胜利油田的一对井间实际资料进行了处理。 |
| 4. | The use of tikhonov regularization theory was to solve ill - posed problem of image reconstruction and the use of sirt algorithm was to improve the quality of the final reconstructed image 为了克服图像重建中的不适定性问题,利用tikhonov正则化原理进行初始图像重建。 sirt算法则用来对初始重建图像进行迭代改善以获得最终重建图像,改善了重建图像的质量。 |
| 5. | Experimental results show that the new hybrid image reconstruction algorithm is effective . the image reconstruction time for one image is 0 . 08 second when the image area is divided into 54 pixels and the iterative times of sirt are 10 实际计算表明新算法的实时性较为理想,在将截面划分成54个像素, sirt迭代10次的情况下进行一次成像所用的时间为0 |
| 6. | The voidage measurement and flow pattern identification technique of gas - liquid two - phase flow were studied . experimental results show that the developed measurement technique is effective . the main works are listed as the following : a new hybrid image reconstruction algorithm which combines tikhonov regularization theory with sirt ( simultaneous reconstruction technique ) algorithm was presented 本文基于电容层析成像技术( ect - electricalcapacitancetomography ) ,对气液两相流的空隙率测量和流型辨识方法进行了研究,并通过实验进行了验证,得到了一些有益的结论:提出了一种基于tikhonov正则化原理和sirt ( simultaneousreconstructiontechnique )算法相结合的组合型量化图像重建新算法。 |