Ball movement state measuring system and method thereof

A ball movement state measuring system, comprising:

• a ball having an accommodation element and a cover covering the accommodation element, wherein an overall centroid of the ball movement state measuring system is adjusted to comply with a geometric center of the ball;
• a sensing module comprising an acceleration sensor and an angular velocity sensor, the acceleration sensor being used for detecting an acceleration of the ball, the angular velocity sensor being used for detecting an angular velocity of the ball;
• a wireless communication module electrically connected to the sensing module and wirelessly transmitting the acceleration and the angular velocity of the ball to an electronic device, wherein the electronic device has a processor and acquires an environment parameter where the ball is located;
• a power supply electrically connected to the sensing module and the wireless communication module, and the sensing module, the wireless communication module and the power supply are disposed inside the accommodation element;
• and
• an induction coil disposed between the cover and the accommodation element and electrically connected to the power supply,
• wherein the electronic device wirelessly receives the acceleration and the angular velocity of the ball, and a first movement result is obtained by the processor, wherein the first movement result comprises a user information, a ball movement time, a first speed, a rotation speed, a rotation axis and a trace of the ball and the environment parameter at a first movement state, wherein the first speed of the ball at the first movement state is calculated based on a first acceleration of the acceleration of the ball at the first movement state, the rotation speed of the ball at the first movement state is calculated based on a first angular velocity of the angular velocity of the ball at the first movement state, the rotation axis of the ball at the first movement state is calculated based on the first angular velocity of the ball at the first movement state, and the trace of the ball at the first movement state is calculated based on the first acceleration of the ball at the first movement state, wherein the first angular velocity of the ball is degrees the ball rotating per second at the first movement state, and the rotation speed of the ball at the first movement state is revolutions the ball rotating per minute at the first movement state such that the rotation speed of the ball at the first movement state is equal to 30/π times of the first angular velocity of the ball,
• wherein a second movement result is obtained by the processor, wherein the second movement result comprises the user information, a ball movement time, a second speed, a rotation speed, a rotation axis and a trace of the ball and the environment parameter at a second movement state, wherein the second speed of the ball at the second movement state is calculated based on a second acceleration of the acceleration of the ball at the second movement state, the rotation speed of the ball at the second movement state is calculated based on the second acceleration of the ball at the second movement state, the rotation axis of the ball at the second movement state is calculated based on the first speed of the ball at the first movement state and the second acceleration of the ball at the second movement state, and the trace of the ball at the second movement state is calculated based on the rotation axis of the ball at the first movement state, the second acceleration of the ball and the environment parameter at the second movement state, wherein the rotation speed of the ball at the second movement state is revolutions the ball rotating per minute at the second movement state, wherein the ball is forced by gravity, applied force and air resistance at the first movement state, and the ball is forced by gravity, air resistance and centripetal force at the second movement state.