first difference meaning in English
一次差分
一阶差分
一阶有限差
Examples
- That ' s the first difference between a beam of ordinary light and a laser beam
这是第一个不同点在普通光束和镭射光束之间。 - The first difference is that in design view , the text and elements are editable
第一个差异是在“设计”视图中，文本和元素是可编辑的。 - The first difference between traditional metaprogramming and enterprise metaprogramming are the problems each tries to solve
传统元编程和企业元编程之间的首要区别在于二者试图解决的问题不同。 - At the meantime , during the procedure of pre - processing , according to the character that the illumination conditions on the scene of the expressway toll collection frequently change a lot , the algorithm of first difference combining the method of fixing the threshold of binarization via accumulating the points was used to complete the job of extracting the outline of the image
在图像预处理过程中，根据高速公路收费站点光照条件不断变化的特点，采用一阶差分算法并结合累积像素点确定二值化阈值的方法，完成图像边缘轮廓的提取工作。 - In this paper , we design the imc controller using zero - pole cancellation method , and tune the controller filter parameter a according to the error e and its first difference a e and acquire the best combination between robust performance and the response speed . the error e is the difference between the reference model output and system output
本文采用相消法设计内模控制器，用参考模型理想输出和实际对象输出之差e及其变化率e在线模糊调节控制器中滤波参数，使系统的性能达到快速性和鲁棒性的最佳结合。