A method of distinguishing watershed borderline, of ascertaining water flow direction on a slope, and of calculating watershed parameters with digital elevation model is introduced and discussed.
探讨了利用数学高程模型识别流域分水线、确定坡面水流方向以及计算流域参数的方法。
This paper studies frequency planning of terrestrial digital HDTV and presents an approximate calculating method of HDTV service area.
本文研究地面数字HDTV的频率规划，提出HDTV服务面积的一种近似计算方法。
The calculating equations for orientation elements of common digital camera are deducted using DLT method based on digital array coordinator assumption.
推导了采用基于数字阵列坐标的直接线性变换方法的非量测普通数码相机方位元素解算方法。
According to the chroma and digital image processing principle, we discussed the principle and method of calculating the regional circumference and density of the digital image.
根据色度学和数字图像处理原理，讨论了如何计算数字图像区域周长和致密度。
A method for calculating electromagnetic and electromechanical transient process in a PWM inverter-induction motor system using the digital computer has been given.
本文给出一种用数字机计算pwm逆变器-异步机系统电磁和机电暂态过程的方法。
This paper presents a digital method for calculating the diameter of a scan circle by measuring the phase of the signal.
介绍了一种运用相位法测量扫描圆直径的数字测试方法。
A digital method for calculating the diameter of the scan circle by measuring the phase of the signal was discussed.
介绍了一种运用相位法测量扫描圆直径的数字测试方法。
With detailed study on the theoretical calculation of short term flicker severity, a novel digital method of calculating instantaneous perceptibility p and short term flicker severity Pst is deduced.
该计算方法可以应用于电力系统电能质量的分析计算 ，也可以应用于电压波动和闪变的理论推导。
This paper presents a method of calculating leaves area based on digital image processing technique.
本文提出了一种基于图像分析技术的树木叶片面积计算方法。
The basic situation of Yunnan Digital Remote Network has been introduced. The method calculating the effective values and power spectra of the ground motion noise has been described in this paper.
介绍了云南数字遥测台网的基本情况，阐述了地动噪声有效值和功率谱的计算方法。
The basic situation of Yunnan Digital Remote Network has been introduced. The method calculating the effective values and power spectra of the ground motion noise has been described in this paper.
介绍了云南数字遥测台网的基本情况，阐述了地动噪声有效值和功率谱的计算方法。
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