从原始光谱中提取有效信息，对原始数据进行优化处理，成为近红外光谱分析中建立较理想数学模型的关键。
So extracting effective information from NIR spectrum and optimizing the original spectrum data are crucial to develop ideal mathematical model in NIRS.
甚至利用数学模型和计算工具，也将不会有“理想琴丝”，因为物理参数是钢琴固有的，巴丁说。
Even with math models and calculations, there will never be an "ideal string" because of the physical parameters inherent to the piano, Patin said.
无论是理想的数学模型还是实际工业模型，计算机仿真结果均证明，将P ID型网络用于动态系统辨识具有更好的逼近效果。
Simulation results based on ideal mathematical model and industrial model show that the PID Elman network is prior to the modified Elman network in identification of nonlinear dynamic systems.
应用推荐