采用逐波相乘的光谱分析法，对密度值进行了理论计算。根据目前国际密度计与色度计的生产状况，探讨了2000年图象印刷色彩测量方法的发展趋势。
The paper applies the method of spectral analysis of multiplication by waveband to caculatedensity value in theory and discusses the future of the method of printing color measurement in2000.
针对坝体埋有一定数量温度计的特点，根据热传导理论，以坝体边界、坝内温度计的测值为约束条件，采用有限单元法分析坝体温度场时空分布，并研制了相应的计算程序．。
According to dam body buried a number of thermometers, the method is put forward analyzing temperature field of dam body and corresponding program is worked out in this paper.
基于图像分形维计算的相对微分计盒法，提出了一套实用的自然背景中人造目标的检测方法，给出了检测窗口与尺度选择的标准与参考值。
Based on the relative differential box-counting method of calculating image fractal dimension, a practical approach is presented to detect an artificial target from natural scenes.
基于图像分形维计算的相对微分计盒法，提出了一套实用的自然背景中人造目标的检测方法，给出了检测窗口与尺度选择的标准与参考值。
Based on the relative differential box-counting method of calculating image fractal dimension, a practical approach is presented to detect an artificial target from natural scenes.
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