是一种双隐层反向传播神经网络，结合PCA的尺度不变特征变换(SIFT)算法，各种资源分配算法实现，部分实现了追踪测速迭代松弛算法，对HARQ系统的吞吐量分析。- Is a two hidden layer back propagation neural network, Combined with PCA scale invariant feature transform (SIFT) algorithm, Various resource allocation algorithm, Partially achieved tracking speed iterative relaxation algorithm, HARQ throughput analysis of the system.