It is a useful try to construct the radio wave propagation predicationmodel by the neural network.
本文的工作是神经网络方法在建立电波大气传输效应预报模型应用中的有益尝试。
2
A predicationmodel of grey system theory was proposed for observation of building settlement. With the model, the ground settlement and its variation speed could be predicated.
应用灰色系统理论建立建筑物沉降观测的预测模型，对建筑物的沉降量及相应沉速作出预测。
3
According to the characteristic of Beidou double-star positing system(double-star positoin), this paper puts forward the optimal predicationmodel of double-star position/SINS integrated system.