Radio frequency signal source lag detection method and system, computer equipment and storage medium

The invention discloses a radio frequency signal source lagging detection method and system, computer equipment and a storage medium, and the method comprises the steps: obtaining a television size, selecting a corresponding modulation mode signal, and setting a signal parameter; controlling a radio-frequency signal generator to play a code stream and controlling decibel intensity of a radio-frequency signal output by an attenuation generator so as to obtain radio-frequency signal source images under different sensitivities, and taking the radio-frequency signal source images as sample data to establish a radio-frequency signal data set; constructing a convolutional neural network model, and training the convolutional neural network model by using the radio frequency signal data set; and capturing a video frame stream played by the television in real time, and detecting the video frame stream through the trained convolutional neural network model to obtain a detection result of the radio frequency circuit in