LMS parameters, percentile, and Z-score growth curves for axial length in Chinese schoolchildren in Wuhan | Scientific Reports
LMS parameters, percentile, and Z-score growth curves for axial length in Chinese schoolchildren in Wuhan | Scientific Reports,A construction of the high-rate regular quasi-cyclic LDPC codes | EURASIP Journal on Wireless Communications and Networking | Full Text,标准误是样本均值的标准差,是需要处以样本数量根号的,而且第一题也是求标准误。二题所用公式不一致,迷惑。谢谢-有问必答-品职教育,A construction of the high-rate regular quasi-cyclic LDPC codes | EURASIP Journal on Wireless Communications and Networking | Full Text,Contribution of OFDM modulation to improve the performance of non-coherent OCDMA system based on a new variable weight zero cross correlation code | Optical and Quantum Electronics