| 1. | Influence of the negative third - order dispersion on the soliton compression effect in fsdd 中负三阶色散对孤子压缩效应的影响 |
| 2. | Even with extreme bass impulses the playback remains stable and clean , without any compression effects whatsoever 甚至在带极端低的脉冲时,重播仍维持稳定度和乾净,一点都没有任何压缩效应compress effects |
| 3. | ( 3 ) sc generated in anomalous dispersion region of dispersion - shifted fibers by use of compression effects of higher - order soliton is studied 发现光纤的三阶色散(色散斜率)对sc谱的形成起着关键性的作用。 |
| 4. | With this thought we can obtain the balance between the image compression and image quality , reaching excellent compression effect on the basis of keeping the image quality 利用这种思想进行编码可在图像的压缩和质量间取得平衡,在保证图像质量的前提下可取得较好的压缩效果。 |
| 5. | And an optimum method of producing the azimuth reference function based on polynomial model is brought out , which has improved the azimuth compression effect successfully . 3 在对模拟得到的原始数据进行成像压缩过程中,本文提出了一种由实际距离拟合生成方位向参考函数的方法,成功的提高方位向压缩效果。 |
| 6. | The experimental results indicate that , in addition to guarantee the coding performance , this method may especially improve the compression effect on the video sequence with high motion . meanwhile , it can greatly reduce computational complexity and memory requirement 实验结果表明,该方法在保证视频序列编码性能的同时,尤其可以提高对运动剧烈视频序列的压缩效果,同时还能大大降低计算量和存储空间。 |
| 7. | The system uses the sdt algorithm to compress the process data and then saves it to the historical database . the concurrence of relative error is maintained under an acceptable level . it has obtained the satisfactory compression effect and enormously reduced the data storage space 系统采用旋转门压缩算法,将过程数据压缩后存储于历史数据库,压缩后的重现数据保持较小的相对误差,取得了满意的压缩效果,极大减少了数据的存储空间。 |
| 8. | Second part provide about the realization course of jpeg2000 standard . analyse the difference of structure by different method and according to the different method to compare the correspond result . moreover compareing the compression effect between jpeg and jpeg2000 第二部分讲述了jpeg2000标准的实现过程,分析了该标准的不同实现结构,并根据不同的实现结构进行了相应比较;另外还对jpeg和jpeg2000两种标准的压缩效果进行了分析、比较。 |
| 9. | The essay , first of all , researchs jpeg2000 and implements the kernel code of compressing dicom with jpeg2000 . on the basis of it , gives an improvement , and then combines image denoising and image compression to get better lossy compression effect ; discusses several lossless compression ways of medical image sequence ; in the end , discusses or analyses many problems of compressing with jpeg2000 , and tests all the methods said in the paper 并在此基础上给出了一种对jpeg2000的改进算法;接着将图像的小波降噪方法与jpeg2000相结合,以得到更好的有损压缩效果,同时给出了一种提高压缩比的方法;再接着讨论了几种提高医学序列图像无损压缩的方法;最后讨论和分析了jpeg2000在压缩dicom时所涉及的问题;并对所提出和讨论的方法进行了相关的试验。 |
| 10. | Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance , the compression effect of bunch length , change of energy dissipation and achromatic angle of true a - magnet are explored . this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system 利用gpt程序对30mevlinac中的-磁铁进行了动力学模拟,给出了电子束在-磁铁中的运动图像,研究了注入器输出束流经过-磁铁后束流发射度的变化、束团长度的压缩效应、能散度的变化以及-磁铁实际的消色散入射角。 |