时间梯度 meaning in English
time gradient
Examples
- Through analyse , the thermal prompting source of infrared bulbs was improved on . the time controller can control the loading time , which was one components of the device of infrared bulbs . the improved thermal prompting source can fit the change fo size of object
通过分析,对红外灯的热激励源进行了改进,使其由时间控制器控制加载时间,使其能满足试件大小要求,形成空间梯度小,时间梯度大的均匀温度场分布。 - We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone , including relative amplitude , phase time of wave crest , similarity factor , principal frequency band energy , 3 - d space time gradient and coherent coefficient et al . , and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing , generalization , correlation analysis , characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone
摘要本文从时间域、频率域、三维空间域介绍了矿山工程裂隙破碎带主要的地震运动学、动力学属性参数，包括相对振幅、波峰相位时间、相似系数、主频带能量、二维空间时间梯度和相干系数等，提出了矿山工程裂隙破碎带三维地震属性的去噪平滑、归一化、相关分析、特征变换的处理方法以及裂隙破碎带的模式识别原理与方法，并用实例说明了该方法的应用效果。 - In present study the calculation of the time slope term in the bgk scheme including the non - equilibrium state effect is simplified based on the conservation of mass , momentum and energy in particle collision . numerical tests show that the simplification not only keeps the advantages of the old one but also makes it simpler and more efficient
本文研究首先从引入非平衡态因素的bgk格式出发，基于粒子碰撞过程中质量、动量和能量守恒的原理，简化了原格式中时间梯度项的计算，有效地减少了计算量。