常見例句雙語例句Good results also verify the feasibility of forward modeling with two-dimensional finite difference time domain method (2D-FDTD).良好的結(jié)果也驗證了二維時域有限差分法（2D-FDTD）正演模擬的可行性。In the forward step, the eikonal equation was solved by finite-difference method. Raypaths were determined in the minus gradient direction of travel time.正演采用快速的有限差分求解程函方程的方法求取旅行時，利用旅行時的負梯度方向求取射線路徑。http://chazidian.comThus, we obtained characteristics of radar images by experiments in different environment, and implemented forward modeling using two-dimension finite difference time domain method.因此，通過不同環(huán)境的試驗得到雷達圖譜特征，并利用二維時域有限差分法對其進行正演模擬。 返回 forward-difference method