1. Department of Mechanical, Petroleum and Gas Engineering, Faculty of Mines and Petroleum Industries University of Maroua Maroua Cameroon
2. Research Unit of automation and applied computer, Electrical Engineering Department of IUT‐FV University of Dschang Bandjoun Cameroon
3. Research Unit of Condensed Matter of Electronics and Signal Processing, Department of Physics, Faculty of Sciences University of Dschang Dschang Cameroon
4. School of Mathematics and Physics, China University of Geosciences Wuhan China