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- In SART（Simultaneous Algebraic Reconstruction Technique），there is no restrict to image space，so the image space’s noise will increase after the definite number of iteration. 摘要 联合代数迭代方法（SART）对重建图像空间是无约束的，其迭代到一定次数后，图像空间的噪声会不断增加。
- Experiment shows that the method can protect the high frequency information like edges from reducing the image’s noise effectively so that the de-noising effect is more protruded. 实验表明，该方法在有效地滤除了图像的噪声的同时，还很好地保护了图像的边缘等高频信息，使得降噪效果更加突出。
- To predict the rail s noise radiation, the receptance analysis model of the track system is built in this thesis. 为了预测钢轨辐射的滚动噪声,本文建立了轨道系统模型计算钢轨的导纳,在模型中,钢轨采用三维实体单元模拟,轨枕采用弹性梁单元模拟。
- Firstly, conducted the evaluation of the car"s noise performance and benchmarking, defined the object. 本文首先对车内噪声进行了评价,与同档次对标车车内振动和噪声级对比,确定了降噪目标。
- The measure result of the system noise show that the optical fiber hydrophone TDM system would not bring obvious noise under the current level of the detector"s noise. 系统噪声的测试结果表明在当前探测器噪声水平下，利用光开关实现的水听器时分复用系统不会带来明显的噪声。
- Then we design the multiplier circuit which is an important part for the rubidium atomic frequency standards and its noise is the main source of the whole system’s noise. 而倍频电路是原子频标的一个重要部件，其噪声是系统噪声的主要来源之一，其性能对铷原子频标的性能有很大影响。
- The heroine is the spitting image of the author. 书中女主人翁是作者的真实写照。
- I have this image of you as always being cheerful. 在我的心目中，你的样子总是兴高采烈的。
- The minister is trying to improve his public image. 部长正在努力提高他自己的公众形象。
- His good image has stolen up on my brain. 他的良好形象已渐渐在我头脑中形成。
- She is the express image of her mother. 她和她母亲长得一模一样。
- The FPD contributes electronic noise to the image. FPD对图像带来电子噪声。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- The display image of an area on a document. 在文卷上，某区的显示图象。
- The scandal hurt the government's image badly. 这丑闻严重损害了政府的形象。
- Her image is engraved upon my heart. 她的形象深深印在心中。
- Her image was fixed in his mind. 她的形象深深印在他的脑海里。
- He is the very spit and image of his father. 他和他父亲长得一模一样。
- This play is the image of contemporary urban life. 这个剧本是当代城市生活的生动写照。
- The baby is the spitting image of his father. 婴孩酷似其父。
