95results about How to "Balanced power consumption" patented technology

The embodiment of the invention discloses a method and device for collecting data. The method and device for collecting data are used for intelligently adjusting collecting frequencies. The method includes the following steps that after the data collecting device obtains sign data of a user, a user state is obtained by analyzing the sign data of the user, different collecting frequencies can be determined by the data collecting device according to different user states, and the sign data can be collected according to the collecting frequencies. The data collecting device can further analyze the health conditions of the user according to the collected sign data and informs the user of the health conditions of the user and can also provide advices on health for the user.

The invention provides a switching method and electronic equipment. The switching method is applicable to the electronic equipment. The electronic equipment comprises a first working mode and a second working mode. The method comprises the steps that when the electronic equipment works in the first working mode, a first event is detected; whether the first event meets a first preset condition or not is judged, and a first judgment result is obtained; when the first judgment result indicates that the first event meets the first preset condition, a first switching instruction is generated; and the electronic equipment is switched to the second working mode from the first working mode according to the first switching instruction.

The invention discloses a multi-moving-target positioning error elimination method based on improved extended Kalman filtering, and the method comprises the following steps: achieving the positioningof multiple targets in a mode of combining time division multiplexing and wavelength division multiplexing, and converting a received signal into a pulse in a Fourier domain energy set through fractional Fourier transform; screening data by using a threshold set by RSSI; reducing the offset generated by the system clock by using bidirectional distance measurement and relative time; judging whetheran NLOS error exists in the ranging process or not by using a Wylie algorithm; using the time difference TDOA of the signals reaching the two anchor nodes for reducing the processing time error of the system; using a CHAN algorithm for solving the position of a moving target at a certain moment to serve as an observation value, building a state equation, using an estimated NLOS error for improving an extended Kalman positioning algorithm, and estimating the motion trail of the moving target. According to the invention, the positioning of more moving targets is realized with lower cost, and the balance between the positioning precision requirement and the power consumption is realized; errors existing in distance measurement are comprehensively considered and eliminated.

The present invention presents a low-power low-noise amplifier utilizing a positive feedback technique and an active transconductance enhancement technique, achieving properties like low power consumption and low noise. Main circuit structures are that: a balanced-unbalanced transformer (1), an amplifier (2) utilizing an active transconductance enhancement and capacitance cross-coupling technique, a main common-gate amplifier stage (3), a positive feedback branch (4) and a resistance load (5). The present invention performs active transconductance enhancement on a common-gate amplifier and uses capacitance cross-coupling technique for the active transconductance enhanced portion, achieving higher equivalent transconductance. A positive feedback branch is introduced, increasing adjustment freedom degree of equivalent transconductance for the common-gate amplifier, reducing constraints between noise and input matching, improving noise property and meanwhile achieving a high gain at lower power consumption. The present invention is simple in structure, small in occupation area and easy to achieve.

The invention discloses a CPU scheduling method, which is suitable to be executed in a mobile terminal. The mobile terminal is in communication connection with a network server. The method comprises the steps of making a response to starting operation on any one application in multiple applications; obtaining an application identifier of the currently started application, and obtaining corresponding CPU configuration from an application configuration information set according to the application identifier; scheduling a CPU to run according to the obtained CPU configuration; monitoring an application running condition corresponding to the current active application in real time, and performing fine adjustment on a running state of the CPU according to the application running condition; generating a corresponding configuration entry according to the finely adjusted running state of the CPU and the associated application identifier, updating the application configuration information set; and reporting the configuration entry after fine adjustment and an identifier of a CPU platform to a network server, thereby instructing the network server to update an application scheduling configuration set corresponding to the reported CPU platform.

The invention discloses an ultrasonic gas metering device with a self-learning template and a metering method of the device. The ultrasonic gas metering device comprises a central core processing module, an analog signal timing module, a signal processing module, a digital sampling module, a metering algorithm processing module, a template waveform learning module and a display module, wherein the central core processing module is in signal connection with each of the analog signal timing module, the signal processing module and the metering algorithm processing module; the analog signal timing module is in signal connection with the signal processing module; the sampling signal input end of the digital sampling module is connected with the signal processing module; the digital sampling module is in signal connection with the metering algorithm processing module; the metering algorithm processing module is in signal connection with the template waveform learning module; the signal input end of the display module is connected with the central core processing module; the signal processing module is used for collecting signals of a transducer. Through self-adaptive learning of template waveforms, an appropriate waveform template can be efficiently selected without being influenced by individual difference of the transducer, and the template can be more stable and reliable.

The invention provides an information display method and an information display device. The method comprises the following steps: obtaining the information type of each part of to-be-displayed information in a plurality of parts of to-be-displayed information; judging whether the information type contains a target information type or not; if the target information type is included, obtaining a first refresh frequency of target to-be-displayed information corresponding to the target information type, and determining a first display frequency according to the first refresh frequency; and displaying the plurality of parts of to-be-displayed information according to the first display frequency. Therefore, when a plurality of parts of to-be-displayed information are included, smooth and complete display of the to-be-displayed information of a specific information type is preferentially ensured. The power consumption during information display is balanced. The technical problems of information display lag, repeated display or frame loss in the prior art are solved.

The invention discloses a dynamic routing building method based on a D algorithm in a wireless body area network, and relates to a dynamic routing method. The dynamic routing building method based on the D algorithm in the wireless body area network is used for balancing energy consumption in the network and prolonging the life cycle of the whole network. The method comprises the steps that a center node obtains an initial topological structure of the network through a flooding method, distance between the center node and other nodes and energy information; a range coordinate matrix of the network is obtained; the range coordinate matrix is converted into a transmission energy consumption matrix and weighted, and a weighed transmission energy consumption matrix is obtained; a weight matrix is generated on the basis of the weighed transmission energy consumption matrix Ew through a D algorithm, and after the weight matrix is generated, each node can find the lowest-energy-consumption route to the center node; the nodes carry out data transmission according to the selected lowest-energy-consumption routes. The dynamic routing building method based on the D algorithm in the wireless body area network is suitable for signal transmission in the wireless body area network.

The invention belongs to the technical field of iron tower deformation monitoring and discloses an iron tower deformation monitoring method. According to the method, calculation is carried out with a first frequency on the basis of satellite positioning, so that the coordinate value of an iron tower positioning module is obtained; whether a triggering condition is met or not is monitored; if the triggering condition is met, early warning information for prompting the deformation of an iron tower is generated; calculation is performed with a second frequency within a preset second duration, so that the coordinate value of the iron tower positioning module is obtained, wherein the second frequency is higher than the first frequency. Correspondingly, the invention further discloses a monitoring system for implementing the method. According to the iron tower deformation monitoring method of the invention, the triggering condition for generating the early warning information for prompting the deformation of the iron tower is set; the calculation frequency of the coordinate value of the positioning module can be adjusted according to the triggering condition; and therefore, the flexible configuration of the monitoring parameters of the system in a monitoring process is improved, the specific deformation situation of the iron tower can be known more timely, and the calculation capability and power consumption of the monitoring system can be well balanced.

The invention discloses an image fusion method and device for a multi-camera module, a storage medium and a mobile terminal, the multi-camera module comprises a first camera and a second camera, the method comprises the steps of: obtaining a first image and a second image, wherein the first image is obtained through the first camera, and the second image is acquired by the second camera; roughly aligning the first image to a second image based on perspective transformation; calculating an alignment error of the second image relative to the first image after coarse alignment; determining an alignment correction amount of each pixel in the first image according to the alignment error and correcting the alignment correction amount to obtain a first image after fine alignment of the second image, and recording the first image as a processed first image; and fusing the processed first image into the second image to obtain a fused image. Through the scheme of the invention, the imaging quality of the multi-camera module after view field fusion can be greatly improved, and the calculation complexity is low.

The invention relates to a sending card and a control method thereof, display equipment, computer equipment and a storage medium. The sending card comprises an interface, a frame writing module, a frame rate comparison module, a frame rate control module and a storage module, wherein the interface is used for receiving a video data stream, sending the video data stream to the frame writing module, acquiring current frame rate information of the video data stream and sending the current frame rate information to the frame rate control module; the frame writing module is used for writing the video data stream into the storage module for storage by taking a frame as a unit; the frame rate comparison module is used for reading the video data stream from the storage module, performing image difference degree analysis on the video data stream in the storage module according to a preset strategy, and determining current video frame change information; and the frame rate control module is used for determining a display strategy of the current video frame according to the current frame rate information and the current video frame change information. The sending card can realize self-adaptive adjustment of the display frame rate so as to realize balance of power consumption and display quality.

The invention provides a low-power consumption Bluetooth transmission method and device. The low-power consumption Bluetooth transmission method comprises the following steps: S1, comparing the current transmission data quantity with a plurality of preset transmission data quantity threshold ranges; S2, obtaining a corresponding target transmission data amount threshold range including the currenttransmission data amount according to the comparison result; S3, calling the corresponding target connection interval range according to the threshold range of the target transmission data amount; S4, completing the data transmission according to the target connection interval range. By distinguishing the different amounts of transmitted data, a preset transmission data amount threshold range isset in advance and a corresponding preset connection interval is allocated. Different connection interval ranges are allocated according to the size of the transmission data amount. On the premise ofensuring the fast and stable transmission of a large amount of data, low power consumption is realized as far as possible so as to achieve the balance of transmission rate and the power consumption.

The invention provides an outdoor equipment control method and device, equipment and a storage medium, and relates to the technical field of outdoor equipment. The method comprises the following steps: acquiring a weather state according to a future duration corresponding to a full power requirement and the position of outdoor equipment; determining the target charging power in the future durationcorresponding to the weather state; determining a target working mode of the working module in the future duration according to the residual electric quantity information of the battery, the full-charge power corresponding to the full-charge requirement and the target charging power; and controlling the working module to execute corresponding work in the target working mode in the future duration. According to the battery remaining capacity, the full charge power and the target charging power, the target working mode of the working module in the future duration is determined, so that the outdoor equipment can be in the optimal operation mode while the outdoor equipment is fully charged, the working performance of the outdoor equipment is improved, and the purposes of fully utilizing solarenergy and effectively balancing performance and power consumption are achieved.

The invention discloses an image synthesis method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring the current power consumption of the electronic equipment and a plurality of layers of a to-be-displayed image; judging whether the current power consumption is higher than a preset threshold value or not; and if so, synthesizing and displaying the plurality of layers by using a multimedia display processor, and if not, synthesizing and displaying the plurality of layers by using a graphic processor. Different layer synthesis modes are selected according to the current power consumption of the electronic equipment, a synthesis mode with low energy consumption is selected under the condition that the power consumption of the electronicequipment is relatively high so as to balance the power consumption of the electronic equipment, and a synthesis mode with relatively high synthesis capability is selected under the condition that thepower consumption of the electronic equipment is relatively low so as to improve the image processing performance.

The invention provides a method and a device for controlling electronic equipment. After a system trigger event in the electronic equipment is acquired, the attribute of the system trigger event can be determined; and a working state corresponding to the system trigger event is determined based on the attribute of the system trigger event, so that the electronic equipment is controlled to work in the working state corresponding to the system trigger event. Namely, after any one system trigger event is acquired, the working state matched with the attribute of the system trigger event is configured for the electronic equipment, a processor of the electronic equipment can run under a working frequency matched with the attribute of the system trigger event in a matched working state, so that the system power consumption is lowered. The processor can run under the working frequency matched with the attribute of the system trigger event, so that the response speed of the electronic equipment can meet the requirement of the system trigger event, and balance between system response speed and system power consumption is realized.

The invention relates to the technical field of wireless communication, and in particular relates to a positioning terminal and a positioning method based on a wireless communication technology. The positioning process of the positioning method disclosed by the invention comprises the following steps: detecting the wireless beacon frame emitted by a wireless beacon at the position of the location through the positioning communication terminal, and sending out the detected wireless beacon frame; calculating the position of the positioning communication terminal. According to the positioning terminal and the positioning method disclosed by the invention, balance in the various aspects of capacity, power consumption, efficiency and the like is realized; the position wireless beacon only needs to periodically send signals, and the operation is simple; the positioning communication terminal does not need to temporarily break away from a network, the continuity of communication can be kept, the consumption of a battery is reduced, and the deployment amount of a mobile base station can be reduced; terminal time is uniformized through a time server, thus the terminal can delay reporting without losing location information, and can reduce reporting times.

The invention discloses a task processing method and device. The method comprises the following steps that a master processing unit executes a high-load task; when the high-load task is completed, themaster processing unit informs a slave task unit to execute a low-load task and automatically enters a low-power-consumption mode. The task processing method configures the two processing units, wherein the main processing unit executes the high-load task to ensure system smoothness, and after the high-load task is completed, the master processing unit informs the slave processing unit to executethe low-load task and automatically enters the low-power-consumption mode to reduce power consumption. Therefore, the task processing method ensures high performance of a smartwatch and reduces powerconsumption of the smartwatch to prolong the stand-by time, further achieves balance between performance and power consumption, integrates high performance and low power consumption of the smartwatchand improves the user experience.

The invention discloses a multi-domain cooperative multi-access method for a star wireless sensor network. The method comprises the following steps: placing an aggregation node at the central positionof a sensor node in a to-be-monitored area; taking the aggregation node as a center, dividing the to-be-monitored area into m sectors, and classifying the sensor nodes in each sector into one group;dividing the total frequency band used by the star wireless sensor network into m sub-channels, wherein each sub-channel occupies a frequency band of 125 kHz, the interval of the frequency bands is 25 kHz, and an independent sub-channel is allocated to each group of sensor nodes located in the same sector; in each determined group, dividing the sensor nodes into n layers according to the link quality from the sensor nodes to the aggregation node, and allocating different spreading factors to the sensor nodes of each layer; using carrier sensing multiple access in the same-group same-layer sensor nodes with the same physical layer parameters, sending the channel state through a channel occupation detection mechanism, if the channel state is idle, uploading data, otherwise, detecting the channel state after time delay until the channel is idle so that data uploading is completed.

The invention provides a digital signal processor of programmable spread spectrum communication. The processor simultaneously considers the signal processor structure of spread spectrum communication of software and hardware and can be applicable to various spread spectrum communication systems. The invention solves the problems that the specific integrated circuit chip has large area, poor flexibility and large chip cost caused by high requirements of 'software radio' to the general processor and the like, and simultaneously also solves the problem that the traditional baseband chip can only process one type of spread spectrum signals. The digital signal processor of programmable spread spectrum communication comprises a command resolution unit, at least one chip level programmable relevant arithmetic unit and a multifunctional programmable relevant arithmetic engine. The command resolution unit resolves spread spectrum signal processing instructions to obtain spread spectrum signal processing parameters; the at least one chip level programmable relevant arithmetic unit makes relevant operation of intermediate frequency data and local carriers according to the spread spectrum signal processing parameters; the relevant arithmetic data length is chip length of pseudo-random codes; the multifunctional programmable relevant arithmetic engine makes relevant operation of chip level relevant operation results and pseudo-random codes and obtains relevant arithmetic results based on the pseudo-random codes; and the multifunctional programmable relevant arithmetic engine also can carry out further signal processing to relevant arithmetic results based on the pseudo-random codes.

The invention discloses a clock frequency dividing circuit and a frequency dividing method thereof. The clock frequency dividing circuit comprises a counter, a first latch, a second latch, a phase inverter, a synchronizer and an AND gate, wherein an output end of the counter is connected with an input end of the first latch; an output end of the first latch is connected with an input end of the AND gate; an output end of the counter is connected with an input end of the synchronizer; an output end of the synchronizer is connected with an input end of the second latch; an output end of the second latch is connected with the input end of the AND gate; an output end of the phase inverter is connected with an input end of the second latch; an external input signal is input into the counter, the first latch and the phase inverter as a clock source clock. Through adoption of a two third clock frequency dividing circuit and the frequency dividing method, power consumption and performance balance of a chip can be realized better; accurate two third frequency dividing timing can be realized; and more frequency options can be realized for a chip system.