A novel scheme to joint phase noise (PHN) correcting and channel noise variance estimating for orthogonal frequency division multiplexing (OFDM) signal was prop
The problem of power allocation in cognitive radio networks plays an important role to improve the efficiency of spectrum utilization.However,most of previous w
With dynamic reliability problems of stochastic parametcrs,supercavity vehicle is subject to impact loads.The supercavity vehicle is modeled by using eight-node
The influences of chemical segregation and phase transformation on liquid density variation during solidification of Ni-based supperalloy Inconel 718 were inves
Much research effort has been devoted to economic design of.(X) & S control charts,however,there are some problems in usual methods.On the one hand,it is diffic
A novel method for rapid preparation of Bi2Te3 nano-sized powders with an average particle size of about 70 nm was developed.A starting powder mixture consistin