A swim training system, a swim data computation method using the same, and a swim training method using the same are provided. The swim training system includes a training device and a processing device. The training device measures a tension in a connecting component which is fastened to a swimmer. The processing device selects a conversion parameter from a conversion parameter table in the processing device according to a swimmer information. Then the processing device performs a conversion between the tension and a swimming speed with the conversion parameter to obtain the swimming speed of the swimmer.

A cycling detection method, an electronic device, and a computer-readable storage medium are provided. The cycling detection method includes: obtaining an acceleration signal and an angular velocity signal collected by a wearable device of a user's foot, and analyzing a time-domain feature of the acceleration signal, a frequency-domain feature of the acceleration signal, a time-domain feature of the angular velocity signal, and/or a frequency-domain feature of the angular velocity signal; filtering the acceleration signal and the angular velocity signal to obtain a target acceleration signal and a target angular velocity signal of the user's cycling if it is determined, based on an analysis result, that a current status of the user is a cycling state; and determining a behavior feature of the user's cycling based on the target acceleration signal and the target angular velocity signal, where the behavior feature includes a cadence feature and a foot posture feature.

An apparatus for analyzing a golf swing according to an exemplary embodiment of the present invention includes: a signal detecting unit including a Doppler radar sensor which radiates a transmission wave to a golf club and a golf ball and detects a reflected wave, in which a first reflected wave of the golf club and a second reflected wave of the golf ball are mixed, and detects a frequency deviation between the transmission wave and the mixed reflected wave and generates an output signal; and a swing analysis information calculating unit configured to calculate a speed of the golf club and a speed of the golf ball by using the output signal.

A treadmill including a frame, an exercise deck attached to the frame, and a first push-up handle attached to the frame and elevated over the exercise deck.

A treadmill includes a frame, an exercise deck attached to the frame, and a first handle movably attached to the frame. The first handle has a first orientation where the first handle is positioned within a region above the exercise deck and stabilized to support a user's weight during a body weight exercise, and a second orientation where the first handle is positioned away from the region above the exercise deck.

A body weight exercise device includes a frame, a first handle attached to the frame, a second handle attached to the frame, and a processor and memory. The memory includes programmed instructions to cause the processor to determine a characteristic associated with a performance of an exercise with the body weight exercise device.

An example exercise mat is disclosed. The exercise mat comprises at least one sensor to detect an article on the mat and obtain a force measurement exerted by the article through a movement; and a communications unit to communicatively connect the mat to a computing device and provide the force measurement to the computing device. The computing device performs a plurality of calculations based on the force measurement.

As system for determining the trajectory of a sport object propelled via an implement includes a sensing module executing code and configured to determine launch characteristics of a sport object upon being launched. The system further includes a trajectory module executing code and configured to calculate a D-plane for an implement that struck the sport object based on the launch characteristics; and determine a trajectory for the sport object based on the launch characteristics and the D-plane.

An information processing method includes: receiving first position information and first speed information from a first terminal device configured to acquire the first position information and the first speed information, receiving second position information and second speed information from a second terminal device configured to acquire the second position information and the second speed information, calculating for a course of a competition, participated by a first competitor to which the first terminal device is attached and a second competitor to which the second terminal device is attached, a distance difference between the first competitor and the second competitor, and calculating a speed difference between the first competitor and the second competitor, and issuing a notification related to swapping between a rank of the first competitor and a rank of the second competitor in the competition.

A golf practice device of the type having an inclined ramp on which to place a golf ball to determine its roll for the purpose of measuring the speed of a green; the device (1) comprises: a straight main body (2) provided with a first pair of rails (20) for rolling the ball; a base body (3), provided with a second pair of rails (30) for rolling the ball and hinged to the main body (2) so as to vary its configuration with respect to the latter.