1Hebei University, College of Electronic and Information Engineering, Baoding, 071002, China.
2Anhui University of Science and Technology, College of Science, Huainan, 232001, China.
3Hebei University, College of Electronic and Information Engineering, Baoding, 071002, China.
In this paper, by introducing a nonnegative kernel function
Forced second order dynamic equation, time scale, oscillation
