Radar based monitoring devices for golf training, namely, monitors for determining ball spin, speed, trajectory, and distance traveled of a golf ball; Radar based monitoring devices for sports training, namely, monitors for determining ball spin, speed, trajectory, and distance traveled of a sports ball; Electronic, interactive golf simulators, and swing analysis video systems comprised of optical, infrared, laser, radar, or ultrasonic devices used to analyze all phases of a golf swing as well as the movement and spin of the golf ball to create realistic and reproducible golf simulations, display screens, computer hardware, computer software, computer video projectors or computer monitors, and digital cameras, all sold as components of or together as a unit with said simulators; Electronic, interactive golf simulators, and swing analysis video systems comprised of mats used to monitor the weight transfer of a golfer, artificial surfaces upon which to rest and hit a golf ball, display screens, computer hardware, computer software, computer video projectors or computer monitors, and digital cameras, all sold as components of or together as a unit with said simulators; Electronic sports training simulators