Low Resolution FOV相同 High Resolution 1 △Z1 △u= M△T △Z2 1 △0= N△Z 1 2u=M△u= △T 1 2v=N△v= △Z LLLLLLLLLLLLLLL ATi △T2 More k-space coverage 空间上的分辨率与频域的频谱覆盖范围相关 Low Resolution High Resolution FOV相同 ∆𝑢 = 1 𝑀∆𝑇 ∆𝑣 = 1 𝑁∆𝑍 Ω𝑢 = 𝑀 △ 𝑢 = 1 △ 𝑇 Ω𝑣 = 𝑁 △ 𝑣 = 1 △ 𝑍 ∆𝑇1 ∆𝑍1 ∆𝑇2 ∆𝑍2 空间上的分辨率与频域的频谱覆盖范围相关