Optimum design of a long stroke variable torque pumping unit and simulation of its dynamic behaviors.;
在常规游梁式抽油机的基础上, 设计了一种新型柔性连杆变矩节能扇形抽油机, 其特点是结构简单紧凑, 天车轮可以实现大摆角, 易实现长冲程, 节能效果显著。
Recognition for sonar image based on improved histogram invariant moments;
基于改进直方图不变矩的声呐图像识别方法
Target s matching method for the remote sensing image based on the histogram invariant moments;
基于直方图不变矩的遥感影像目标匹配方法
Application of ART-2 neural network and invariant moment in image pattern recognition;
基于ART-2神经网络及不变矩特征的图像模式识别
Recognition of airfields in forward looking infrared image sequences by affine moment invariants;
基于不变矩的前视红外图像机场目标识别
The application of moment invariants in checking the drug s packaging quality;
不变矩在药品包装质量检测中的应用
Recognition of infrared image in sea level by moment invariants;
基于不变矩的海面红外目标识别
Recognition of ship by support vector machine and Invariant Moments;
基于不变矩和支持向量机理论的船舰目标识别
Checking consistency between drawings based on image invariant moments in wavelet domain;
基于小波域图像不变矩的图纸一致性检测
Application of a new invariant moments on image recognition;
一种新型不变矩在图像识别中的应用
In this paper,one new energy-saving controllable diameter and variable torque pumping unit (CDVTPU) and its structural characteristic and operating principle are introduced.
介绍新型调径变矩节能型抽油机的结构特点和工作原理 ,建立了该抽油机的几何学、运动学模型及工作性能仿真模型 ,在此基础上开发了调径变矩型抽油机的工作性能仿真软件 ,从而实现了对该抽油机运动规律、曲柄轴输出扭矩和抽油机平衡效果等工作性能的仿真分析计算。