摘要:
This document discloses a solution for estimating motion of a user. According to an embodiment, a method comprises in an apparatus: acquiring satellite positioning data received with a satellite positioning receiver attached to a human body and indicating a location of the satellite positioning receiver; extracting, from the satellite positioning data, local motion data representing local motion of the satellite positioning receiver with respect to a reference point and overall motion data representing the motion of the reference point, wherein the reference point is comprised in a framework of the human body; and determining, from the local motion data, a local motion trajectory of a part of a human body to which the satellite positioning receiver is attached with respect to the reference point.
摘要:
A wearable training computer, comprising a global navigation satellite system, GNSS, antenna arrangement configured to provide a group of antenna configurations for receiving a GNSS signal, wherein each antenna configuration provides different radio frequency properties. The wearable training computer further comprises a measurement circuitry configured to measure performance of the GNSS antenna and a processing circuitry configured to select, based on at least an activity type of a user of the wearable training computer, a subset of the antenna configurations from the group of the antenna configurations, and further configured to select, from the subset of the antenna configurations based on the measured GNSS antenna performance, an antenna configuration for receiving the GNSS signal.
摘要:
The present document discloses a solution for measuring a cardiogram of a user. According to an aspect, a portable training computer comprises: a communication circuitry comprising a radio frequency antenna and configured to transmit a radio frequency signal through the antenna; a measurement circuitry coupled to the antenna and configured to measure an electric property of the antenna; and at least one processor configured to: in a first measurement mode, detect presence of an object in proximity with the antenna on the basis of the measured electric property, and in a second measurement mode, detect motion of a body of a user of the portable training computer with respect to the antenna on the basis of the measured electric property and compute a cardiogram of the user in the basis of the detected motion.
摘要:
The present document discloses a solution for proximity detection of an object. According to an aspect, there is provided a portable training computer, comprising: a communication circuitry configured to operate according to Bluetooth technology; a radio frequency radiator circuitry coupled to the communication circuitry and configured to receive transmission signals from the communication circuitry and radiate the transmission signals as transmission bursts; a measurement circuitry coupled to the radio frequency radiator circuitry and configured to measure an electric property of the radio frequency radiator circuitry and to determine proximity of an object with respect to the radio frequency radiator circuitry on the basis of the measured electric property; and a controller configured to synchronise measurement timings of the measurement circuitry with the transmission bursts.
摘要:
The present document discloses a solution for estimating effectiveness of periodic motion during a physical exercise such as a running exercise. According to an aspect, a computer-implemented method for estimating the effectiveness of the periodic motion comprises: measuring, by using at least one motion sensor, periodic motion of a user and thus acquiring motion measurement data during a time interval of a physical exercise; transforming the motion measurement data into frequency-domain samples; extracting, amongst the frequency-domain samples by using peak detection, a first subset of frequency-domain samples representing periodic motion; computing a metric indicating a ratio between energy on the first subset of frequency domain samples and energy on other frequency domain samples; and mapping the computed ratio to an effectiveness parameter by using a determined mapping rule and outputting the effectiveness parameter via an interface.
摘要:
There is provided a system for monitoring muscle load, the system configured to perform operations comprising: obtaining, from at least one sensor, measurement data on an exerciser; determining, based on the measurement data, a number of repetitions of a macroscopic movement performed during a physical exercise; determining, based on a conversion entry corresponding to a type of the physical exercise, muscle load coefficient of one or more muscles loaded in the physical exercise; utilizing the muscle load coefficient of the one or more muscles and the number of repetitions in determining muscle load data indicating muscle specific muscle load caused by the physical exercise performed by the exerciser; and outputting the muscle load data.
摘要:
This document discloses a wrist apparatus comprising: a frame arranged to house at least one electronic circuitry of the wrist apparatus; and at least one antenna integrated on a surface of the frame with a laser direct structuring process in which conductive material is disposed at laser-defined locations on the frame.
摘要:
This document discloses a solution for estimating motion of a user. According to an embodiment, a method comprises in an apparatus: acquiring satellite positioning data received with a satellite positioning receiver attached to a human body and indicating a location of the satellite positioning receiver; extracting, from the satellite positioning data, local motion data representing local motion of the satellite positioning receiver with respect to a reference point and overall motion data representing the motion of the reference point, wherein the reference point is comprised in a framework of the human body; and determining, from the local motion data, a local motion trajectory of a part of a human body to which the satellite positioning receiver is attached with respect to the reference point.
摘要:
There is provided a wrist device comprising: a curved body arranged to fit the wrist device around a user's wrist, an activity tracker circuitry configured to measure physical activity of the user of the wrist device, a processing circuitry configured to acquire physical activity-related measurement data from the activity tracker circuitry and to process the physical activity-related measurement data into physical activity-related metric characterizing the physical activity of the user and a user interface element configured to display the physical activity-related metric, wherein the user interface element comprises: a light emitting diode matrix layer comprising a plurality of light emitting diodes arranged in a matrix form; and a fluorescent layer configured to alter the wavelength of the light emitted by the light emitting diode matrix layer.