English translation for "旁瓣峰值"
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- side lobe peak
Related Translations:
旁: 名词1.(旁边) side 短语和例子马路两旁 both sides of the street; 站在路旁 stand by the roadside; 她坐在窗旁。 she sat at the window. 他坐在妻子的身旁。 he sat by the side of his wife.2.(汉字的偏旁) lateral radical of a chinese 旁中心注视: paracentral fixation 旁中心视力: paracentral vision
- Example Sentences:
| 1. | In the terms of interpolation , the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character . 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation , the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation , the more number of summation and the more order of interpolation polynomial , the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation , the more of reconstruction time simultaneously , aimed at eliminating the effects of noise contained in projection data , in this paper , author analysis cause and effects of common artifacts . importantly , discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector
在ct图像重建时，选择有限带宽窗有较好的空间分辨率，三角形窗有较好的密度分辨率，选择余弦窗则使得空间分辨率与密度分辨率的折衷；从窗函数的频谱角度来讲，可以用于图像重建的一个良好的卷积窗函数应该具备以下条件： ( ? )小的3db带宽b ，即最小的主瓣宽度； ( ? )最小的旁瓣最大峰值a ； ( ? )最大的旁瓣峰值衰减速度d ；就内插函数而言，临近点内插与线性内插重建图像噪声大，但有较好的边缘与细节； 4 4三次内插、三次b -样条与四次拉格朗日多项式内插图像平滑，局部特性较好。 |
- Similar Words：
- "旁瓣(天线辐射)" English translation, "旁瓣包络" English translation, "旁瓣成带" English translation, "旁瓣电平" English translation, "旁瓣对消" English translation, "旁瓣辐射" English translation, "旁瓣干扰" English translation, "旁瓣回波" English translation, "旁瓣降低和抑制" English translation, "旁瓣控制" English translation
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