40.磁振造影中,下列何項之改變,無法使FOV(field of view)達到更小的要求?
(A)減少接收頻寬(decreasing the receive bandwidth)
(B)減少發射頻寬(decreasing the transmitting bandwidth)
(C)增加磁梯度強度(increasing the gradient strength)
(D)增加取樣間隔時間(increasing the sampling interval)
詳解 (共 4 筆)
未解鎖
FOV=BW(接收頻寬)/yGy=42....
未解鎖
FOV=BW(發射頻寬)/r*Gz,若想...