Abstract: A fishing reel includes a body frame, a spool, an acceleration detector, a braking device, and one or more processors. The spool is rotatably arranged at the body frame and configured to wind a fishing line. The acceleration detector is configured to detect a line release acceleration of the fishing line. The braking device is configured to apply resistance to the spool. The one or more processors are connected to the acceleration detector and the braking device and configured to control the braking device to apply the resistance to the spool according to the line release acceleration to cause a rotation speed of the spool to match a line release speed of the fishing line.

Abstract: A method for dynamically acquiring maximal oxygen consumption includes acquiring user's age, gender, weight, resting heart rate and maximum heart rate; detecting basic heart rate data comprising a plurality of exercise heart rates and basic speed data comprising a plurality of exercise speeds; calculating a characteristic heart rate and a characteristic speed based on the basic heart rate data and the basic speed data; and calculating the user's maximal oxygen consumption according to the user's age, gender, weight, resting heart rate and maximum heart rate, the characteristic heart rate and the characteristic speed. The maximal oxygen consumption for each exercise can be dynamically calculated and the result is accurate.

Abstract: A fishing reel includes a body frame, a line winding mechanism, and a motion capture device. The line winding mechanism is at least partially arranged in the body frame and configured to move relative to the body frame to wind fishing line. The motion capture device is arranged at the line winding mechanism and configured to collect motion data of the line winding mechanism.

Abstract: An fishing device includes a fishing rod, a reel, a fishing line, a first detector, a second detector, and a control assembly. The reel is arranged at the fishing rod and includes a spool. The fishing line is wound around the spool and includes a plurality of detection marks arranged along an axial direction of the fishing line at intervals. The first detector is configured to detect the detection marks to obtain a line release speed of the fishing line. The second detector is configured to detect a rotation speed of the spool. The control assembly is configured to control a brake assembly to brake the spool according to the line release speed to cause the rotation speed of the spool to match the line release speed.

Abstract: A route processing method includes obtaining a three-dimensional climbing route of a user that include one or more first three-dimensional positions of the user during climbing, determining whether a preset marking condition is satisfied, determining a second three-dimensional position of a target point according to the one or more first three-dimensional positions in response to the marking condition being satisfied, obtaining map information including a preset three-dimensional model, controlling a display component to display the map information, and controlling the display component to superimpose and display the three-dimensional climbing route and the target point on the three-dimensional model according to the one or more first three-dimensional positions and the second three-dimensional position.

Abstract: A power meter includes a housing, a fixation assembly arranged at two ends of the housing, and a tension detection device arranged inside the housing and connected to the fixation assembly. The fixation assembly is configured to be detachably connected to two mechanical coupling members of a tension assembly of a rowing machine to cause a part of the tension assembly between the two mechanical coupling members to be in a relaxed state. The tension detection device is configured to detect a pulling force applied on the fixation assembly.

Abstract: A distance measurement method based on moving coordinate positioning includes obtaining a movement track of a detection terminal according to a moving coordinate positioning, generating a calibration track adaptive to a predetermined route in the detection terminal, and correcting a distance recorded by the detection terminal in real time according to a comparison result between the movement track and the calibration track. Generating the calibration track adaptive to the predetermined route in the detection terminal includes generating a preset calibration track corresponding to the predetermined route according to a length of the predetermined route, and in response to determining that the movement track is not within a range of the preset calibration track, reminding a user of the detection terminal to change parameters of the predetermined route or change the predetermined route.

Abstract: An outdoor swimming trajectory determination method includes in a situation where positioning data is not obtained, obtaining a swimming direction of a user and a swimming acceleration of the user, the swimming direction being collected by a first terminal, determining a swimming trajectory of the user according to the swimming direction and the swimming acceleration, and in a situation where the positioning data is obtained, correcting the swimming trajectory according to the positioning data, The swimming acceleration is collected by at least one of the first terminal or a second terminal. The positioning data is collected by the second terminal.

Abstract: A distance measurement method based on moving coordinate positioning includes generating a calibration track adaptive to a predetermined route in a detection terminal; obtaining a real-time movement track of the detection terminal according to a moving coordinate positioning; and correcting a distance recorded by the detection terminal in real time according to a comparison result between the movement track and the calibration track. In such a way, the distance error recorded in the detection terminal can be corrected, thereby improving the accuracy.

Abstract: Provided are an underwater environment detection device and method, a fishing rod, and a storage medium.

Abstract: Provided are a method for generating a fishing track, a mobile terminal, and a storage medium. The method includes the steps described below. A first position of a user and a second position of at least one fishing area are acquired. A target fishing area in which the user is located is determined from the at least one fishing area according to the first position and the second position. A fishing track is generated according to the first position and a third position of the target fishing area.

Abstract: A method for assessing exercise fatigue includes obtaining exercise heart rates of a user; calculating a CTL and an ATL based on the exercise heart rates and an exercise load computation model; calculating a TSB based on the CTL and the ATL; and determining a fatigue level based on the TSB. Such a determination of fatigue level will not be affected by subjective factors, thereby the scientificity and accuracy of the assessment result are effectively improved, and the assessment result is closer to the user's current physical function condition.

Abstract: Provided is a method for unlocking by use of a knob. The method is applied to an electronic device provided with an operation knob. The method includes the following steps: detecting (1) an action of the operation knob in a screen locked state in real time; and starting (2) an unlocking program in response to rotation of the operation knob: calculating the rotational circumferential distance of the operation knob along the current rotational direction, determining whether the rotational circumferential distance of the operation knob reaches a preset circumferential distance, controlling the electronic device to unlock in response to the rotational circumferential distance of the operation knob reaching the preset circumferential distance, and unlocking failed and returning to step (1) in response to the rotational circumferential distance of the operation knob not reaching the preset circumferential distance.

Abstract: Provided are a fishing navigation method and apparatus, a device, and a storage medium, applied to a target fishing area. The target fishing area includes at least one fishing spot. The method includes: acquiring at least one fishing plan corresponding to the target fishing area, where each of the at least one fishing plan includes a location and a fishing time period corresponding to each of the at least one target fishing spot; acquiring a fishing plan selection operation of the user; determining a target fishing plan from the at least one fishing plan according to the fishing plan selection operation; and generating navigation information according to the location of each of the at least one target fishing spot and the fishing time period corresponding to each of the at least one target fishing spot to guide the user to perform the target fishing plan.

Abstract: Provided is a method, a system, a wearable device, and a medium for measuring a physiological signal. The method includes acquiring the physiological signal of a user, and controlling a haptic feedback device to activate to generate and output a haptic feedback signal in response to the physiological signal and starting a first timer simultaneously. When the time duration of the first timer is greater than a first time threshold, the first timer is stopped, the haptic feedback device is controlled to be disactivated, and a measuring result is output.

Abstract: Provided are a tracking method and apparatus of an exercise heart rate, a device and a storage medium. The method includes: if the user heart rate currently detected by a photoelectric heart rate device does not meet a preset heart rate standard, invoking a pre-established target model equation reflecting the relationship between a user heart rate and a user pace; and inputting the current real-time pace of a user into the target model equation to obtain the current real-time heart rate of the user. In the technical solutions, when the user heart rate currently detected by the photoelectric heart rate device does not meet the preset heart rate standard, the current real-time pace of the user is directly input into the pre-established target model equation reflecting the relationship between the user heart rate and the user pace to obtain the current real-time heart rate of the user.

Abstract: Provided is a method for unlocking by use of a knob. The method is applied to an electronic device provided with an operation knob. The method includes the following steps: detecting (1) an action of the operation knob in a screen locked state in real time; and starting (2) an unlocking program in response to rotation of the operation knob: calculating the rotational circumferential distance of the operation knob along the current rotational direction, determining whether the rotational circumferential distance of the operation knob reaches a preset circumferential distance, controlling the electronic device to unlock in response to the rotational circumferential distance of the operation knob reaching the preset circumferential distance, and unlocking failed and returning to step (1) in response to the rotational circumferential distance of the operation knob not reaching the preset circumferential distance.

Abstract: A method for dynamically acquiring maximal oxygen consumption includes acquiring user's age, gender, weight, resting heart rate and maximum heart rate; detecting basic heart rate data comprising a plurality of exercise heart rates and basic speed data comprising a plurality of exercise speeds; calculating a characteristic heart rate and a characteristic speed based on the basic heart rate data and the basic speed data; and calculating the user's maximal oxygen consumption according to the user's age, gender, weight, resting heart rate and maximum heart rate, the characteristic heart rate and the characteristic speed. The maximal oxygen consumption for each exercise can be dynamically calculated and the result is accurate.

Abstract: A method for assessing exercise fatigue includes obtaining exercise heart rates of a user; calculating a CTL and an ATL based on the exercise heart rates and an exercise load computation model; calculating a TSB based on the CTL and the ATL; and determining a fatigue level based on the TSB. Such a determination of fatigue level will not be affected by subjective factors, thereby the scientificity and accuracy of the assessment result are effectively improved, and the assessment result is closer to the user's current physical function condition.