In a cellular network experiencing dense urban build-up, which mechanism limits reliable signal propagation?

💡 Explanation

Multipath fading limits signal because reflections create constructive and destructive interference patterns, therefore signal strength varies spatially, rather than maintaining a consistent power level as the original transmission intended.

• Which outcome occurs when a PID controller's integral term accumulates excessively during hydraulic actuator positioning task?
• Which kinematic solution determines joint angles for a robot?
• Which failure mode occurs in reinforced concrete columns when sustained axial load exceeds critical threshold?
• Which risk increases when a three-phase motor drive circuit uses silicon controlled rectifiers at high switching frequencies?
• Which kinematic consequence occurs when backlash increases in a robot's wrist joint?
• Which risk is amplified if a hydraulic actuator in a robotic arm experiences stick-slip friction?