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Home > chinese-english > "像元尺寸" in English

English translation for "像元尺寸"

pixel size

Related Translations:
尺寸:  (长短大小) measurement; dimensions; size; magnitude; measure; admeasurement; bigness; fitting 短语和例子衣服尺寸 measurements of a garment; 加工尺寸 finish size; 量尺寸 take sb.'s measurements; (鞋、帽、衣等)现货尺寸 s
Example Sentences:
1.The results indicate that the envelope method is more effective in actual application . and the recording distance limitations due to the stated pixel number , pixel size and laser wavelength are discussed in detail
通过对图像采样的分析,结合采样定理,给出了当图像像素总数、像元尺寸、记录波长都确定时,对衍射距离的限制条件。
2.Super - resolution restoration of video sequences is useful and often critical in many existing applications . some imaging systems employ detector arrays that are not sufficiently dense to meet the nyquist criterion during image acquisition
当ccd相机在对空间频率较丰富的景物进行采样时,由于ccd像元尺寸的限制,图像分辨率低,混频现象有时很严重。
3.For the hyper accuracy interpolation technique , which resolves the accuracy limitation of pixel physical size , derives out the star spot interpolation accuracy limitation based on the star spot mathematical model and photoelectric statistics
针对克服像元尺寸对测量精度限制的超精度内插细分技术,在建立了星点光斑数学模型的基础上,利用光电统计理论,推导了星点光斑内插细分精度的极限公式。
4.It is appropriate commonly that the resolution of ccd sensor imaging is 1 . 8 times of the pixel dimension , in the mean while the mtf decreases 11 % , because the mtf is bigger , the other parts are easier to be made and the image shows the characterization of the object well . 2
一般情况下取ccd探测器的目标影像分辨力是其像元尺寸的1 . 8倍较为适中,因为这时的mtf数值较大对系统的其它环节的指标压力较小,且图像较好地反映了目标图形的特征,此时其光学调制度传递函数mtf下降了11 。
5.From the results of these experiments , we know that the improvement effect is clear when the enhancement ratio is 1 . 5 . but the enhancement ratio of 2 . 5 is difficult to be reached because of the optical dispersion . it shows that the enhancement ratio is limited by the size of ccd sensor ' s cell and optical dispersion
而由于ccd像元尺寸与弥散斑相差不多,要想获得分辨率提高2 . 5倍的高分辨率图已经很困难,说明反演解析法实际上对分辨率的提高是有一个上限的,这和弥散斑与ccd感光像元间的大小比例有关。
6.Under the condition of space moving changed system and the engineering practice , a function of the pixel dimension , the mtf of ccd sensor imaging , the width of target strip and the image motion has been acquired 4 . under the condition of one pixel image motion and the nyquist frequencies , adopting the convolution method , the ratios of the mtf with image motion to the idea mtf are 0 . 667
这样就为在工程实际中,在空间移变条件下,求取了ccd探测器影像的mtf 、像元尺寸、影像分辨力和像移量四者之间的一个简洁的函数关系:材了万二1一( 2 + n一m ) 2 ? o4n4 .采用仿真的方法和采用卷积方法的比较。
7.The relation of tthe ccd sensor imaging resolution and the mtf is gotten . when the mtf of space remote sensing camera is higher and the contrast of object is higher , it can be believed that the resolution of ccd sensor imaging is 1 . 6 times of the pixel dimension , in the mean while the mtf decreases 32 %
通过仿真得到了ccd探测器的目标影像的分辨力与ccd像元尺寸的关系,当航天光学遥感相机的mtf较高(仿真中镜头的mtf = 1 )且目标为高对比度时,得到ccd探测器的目标影像分辨力是其像元尺寸a的1 . 6倍,其光学调制度传递函数mtf下降32的结果。
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