Starting from the pressure on habitat of Jiuzhaigou Nature Reserve brought about by traveling activity, this paper puts forward such philosophy of community co-
A subspace-based blind channel estimation algorithm for MIMO-OFDM systems is proposed. This algorithm exploits the cyclostationarity introduced by cyclic prefix
On the basis of test,nonlinear finite element analysis of reinforced concrete (R.C) short-limb shear walls under monotonic horizontal load are carried out by AN