The Calculation of High-Order Vertical Derivative in Gravity Field by Tikhonov Regularization Iterative Method

<div>The calculation of the vertical third derivative. (a) Conventional FFT (b) Tikhonov regularization iterative method.</div>

Mathematical Problems in Engineering

Figure 6: The Calculation of High-Order Vertical Derivative in Gravity Field by Tikhonov Regularization Iterative Method 