Figure 9
From: Adaptive control for downhole nuclear magnetic resonance excitation
Diagram of an instrument in motion. The logging tool is moving at a speed of v, and the red rectangle represents the RF coil with a length of L. The length is about 60 cm. If the tool does not move during the measurement cycle (i.e., a stationary reading is obtained), the vertical resolution (VR) equals the length of the antenna (L).
