重点焦距点 Emphasis focal point
超焦点距离 [摄] hyperfocal distance
焦点距离 focal length ; focal distance ; focus distance ; Distance focal
复合焦点测距仪 cut-image range finder
焦点焦距 focus
近地点焦距前进 advance of the perifocus
前顶点焦距 front vertex focal distance
焦点-胶片距离 focus-to-film distance
主焦点距离 principal facal distance
全焦点微距 All-in-Focus Macro
第一点就是被一些专业人士所熟知的“裁切系数”(crop factor，也称镜头焦距转换率)。
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
该算法定义了图像区域的相对清晰度判定指标，并根据多焦距图像像素邻域的相对清晰度来逐个选取聚焦清晰的像素点从而构成融合图像。
To overcome this problem, a novel fusion algorithm is proposed, which is based on a new image region focus measure, Relative Activity Level (RAL), presented in this paper.
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