Iranian Mathematical Society (IMS) Bulletin of the Iranian Mathematical Society 1017-060X 38 4 2012 12 15 MRA parseval frame multiwavelets in L^2(R^d)1021 1045 en Liu Zhanwei School of Information Engineering, Zhengzhou University Xiaomin Mu School of Information Engineering, Zhengzhou University Guochang Wu Department of Applied Mathematics, Henan University of Economics and Law 2011 03 22 frame Matrix filter Pseudo-scaling function MRA Parseval frame multiwavelets Matrix multiwavelets multiplier