Signal Testing is a process used to evaluate the quality and reliability of signals in various communication systems. This can include testing radio frequencies, digital signals, or even audio signals to ensure they meet specific standards. The goal is to identify any issues that may affect performance, such as interference or distortion. During Signal Testing, engineers use specialized equipment to measure parameters like strength, clarity, and consistency of the signals. By analyzing these factors, they can make necessary adjustments to improve the overall system performance, ensuring effective communication in applications ranging from telecommunications to broadcasting.