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- Foreground /Background segmentation,fingerprint enhancement based on special domain and frequency domain,filtration in direction,binarization,thinning and noises elimination are all discussed. 包括前背景分离、基于空域和频域的图像增强、方向滤波、二值化、细化以及细化去噪处理。
- In this paper we discuss the difference and relationship between CRP and CRS stacking, NMO/DMO stacking, as well as pre stack depth migration(PreSDM) and CRS stacking in a geometrical viewpoint and on the hypothesis of constant velocity media. 以几何描述的方式 ,在常速介质假设下通过图示定性描述CRP与CRS叠加之间 ,NMO/DMO叠加、叠前深度偏移 (PreSDM )与CRS叠加之间的区别与联系。
- And integrate actual circs and principle of noise elimination, Developed one kind of new silencer, Thereby gained our ends that noise is attenuated. 并结合我厂实际情况与消声原理，研制出了一种新型的消声装置，从而达到了降低我厂电解车间噪声的目的。
- How much do all these figures stack up to? 这些数字的总和是多少？
- It is experimentally shown that to achieve noise elimination and resolution improv... 试验证明，利用小波变换去噪和提高分辨率，不仅方便有效，而且有很好的保真度。
- Muzzle blast wave overpressure values of standard muzzle brake and muzzle brake using noise elimination theo. 通过实例计算了制式炮口制退器和采用消声原理的炮口制退器的炮口冲击波超压值。
- There is no noise elimination measure and noise standards to AHU, air supply unit, exhaust fans. 空调机组、新风机组、排风机均无消声措施及噪声指标。
- What basically be used at establishment of heating, air conditioning, noise elimination is outer vitreous adornment. 主要用于采暖、空调、消声设施的外层玻璃装饰。
- Noise elimination antivibration design and refrigeration engine room design, ventilation system's design, arrangement and so on. 消声防振设计及制冷机房的设计、通风系统的设计、布置等。
- In this paper,the self-adapting noise elimination system based on back propagation network(BP) is presented and its the-ory and realization are analyzed. 介绍了BP自适应噪声抵消系统模型,分析了其原理及实现,并将其应用于发动机故障信号的处理。
- Moreover,in the test of pressure transmission exhaust and silencing of noise,the material shows more properties of exhaust and noise elimination than the burnt copper powder. 在气压传动排气消声的测试中,与铜粉末烧结件相比具有更好的排气性能和消声性能。
- Her nerves were frayed by the noises in the street. 街上的噪音使她神经紧张。
- Keywords Common shot gather;Pre stack depth migration;Paraxial wave equation;Finite difference;Frequency space domain.; 共炮道集;叠前深度偏移;傍轴近似方程;有限差分;频率-空间域;
- She made polite noises about my work. 她对我的工作情况说了些客套话。
- He is heedless of the noises out of the windows. 他没有注意到窗外的嘈杂声。
- He placed his books in a neat stack. 他把书整整齐齐放成一堆。
- You will find a little stack of candles in reserve. 你会发现一小堆备用蜡烛。
- The noises of the street were muffled considerably. 街上的噪音减轻了许多。
- The grain has gone mouldy in the stack. 垛里的谷子发霉了。
- I heard some very queer noises in the garden. 我听到花园里有些可疑的声音。
