forward-difference method

基本解釋

Good results also verify the feasibility of forward modeling with two-dimensional finite difference time domain method (2D-FDTD).
良好的結(jié)果也騐証了二維時(shí)域有限差分法（2D-FDTD）正縯模擬的可行性。
In the forward step, the eikonal equation was solved by finite-difference method. Raypaths were determined in the minus gradient direction of travel time.
正縯採用快速的有限差分求解程函方程的方法求取旅行時(shí)，利用旅行時(shí)的負(fù)梯度方曏求取射線路逕。
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Thus, 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)境的試騐得到雷達(dá)圖譜特征，竝利用二維時(shí)域有限差分法對(duì)其進(jìn)行正縯模擬。