The application of advanced high strength steel(AHSS) has an important significance in the development of the lightweight of automobile,but the parts made of AH
In order to improve the bit error rate(BER) performance of turbo codes with short frame size at a wide range of signal to noise ratio(SNR),a new method by optim
Based on the analysis of the impact of Doppler shift to the railway dedicated mobile communication quality under the condition of high-speed mobility,this paper