49results about How to "Taking power consumption into consideration" patented technology

The present invention relates to the technical field of integrated circuits, and in particular to a fixed-bit-width multiplier with high accuracy and low energy consumption properties. The fixed-bit-width multiplier with the high accuracy and low energy consumption properties comprises a CSD encode circuit, a high position partial product generation circuit, a low position compensation circuit and a partial product compression circuit, wherein an input port of the CSD encode circuit is connected to external input data, and an output port of the CSD encode circuit is connected to the high position partial product generation circuit and the low position compensation circuit; the high position partial product generation circuit is connected to the external input data, and an output port of the high position partial product generation circuit is connected to the partial product compression circuit; the low position compensation circuit is connected to the external input data, and an output port of the low position compensation circuit is connected to the partial product compression circuit; and an output port of the partial product compression circuit is connected to the external input data. The present invention has the beneficial effects that a fixed-bit-width multiplier with low energy consumption and a relatively high speed, and a practical fixed-bit-width multiplier design with high accuracy and low energy consumption are achieved. The fixed-bit-width multiplier of the present invention is particularly suitable for implementation of a high-accuracy multiplication with low energy consumption and a fixed bit width.

The invention discloses a device compatible with three SHA standards, which comprises a data filling module, a Wt generation module and an Hash operation module, which are connected in order. The invention also discloses a realization method of the device compatible with three SHA standards, which comprises the following steps: (I) receiving cleartext data by the data filling module to generate filling data and outputting the data to the Wt generation module; (II) generating new Wt operators by the Wt generation module and inputting the new Wt operators into the Hash operation module; and (III) generating a data abstract with 160 bits under an SHA-a mode, generating a data abstract with 256 bits under SHA-256 mode or generating a data abstract with 512 bits under an SHA-512 mode by the Hash operation module. The invention has the advantages of common practicality, good compatibility, low power consumption, less occupation of extra resources and the like.

The invention discloses a storage system and a storage method thereof for a network computer, wherein the storage system also comprises a first flash memory and a second flash memory, wherein the first flash memory is used for storing BIOS codes of the network computer, and the second flash memory is used for storing an operation system and local data of the network computer. The invention realizes the storage requirements of the network computer operation system and the local application program, and can perfectly carry out version management and software upgrading on the network computer.

The embodiment of the invention discloses a method and a device for dynamically regulating the energy saving level of a mobile terminal, and the mobile terminal. The method comprises the following steps that: obtaining the application identification of an application program which is displayed at present; according to the application identification, inquiring a set first white list, determining a first energy saving level corresponding to the application program, and obtaining a display effect parameter corresponding to the first energy saving level; and according to the first energy saving level, setting the energy saving level of the terminal, and processing a picture to be displayed according to the display effect parameter corresponding to the first energy saving level. By use of the embodiment of the invention, the power consumption of the terminal can be dynamically regulated according to an application scene. By use of the technical scheme of the invention, a display effect can be both given a consideration while the power consumption of the terminal is lowered, and the time of endurance of the terminal is prolonged.

Embodiments of the invention disclose a method and a device for managing a central processing unit. Implementation of the method comprises the following steps of determining a first prediction condition and a second prediction condition, wherein the first prediction condition and the second prediction condition are both factors for influencing the wake-up time of the central processing unit (CPU); counting the accuracy for using the first prediction condition to predict the CPU to enter a low power mode (LPM); if the accuracy is higher than a predetermined threshold, continuing to use the first prediction condition to predict the next wake-up time of the CPU; otherwise using the second prediction condition to predict the next wake-up time of the CPU. When the prediction condition is utilized to predict the next wake-up time of the CPU, the influences of various factors on the next wake-up time of the CPU are considered simultaneously, and the next wake-up time of the CPU can be more accurately predicted, so that the CPU can select more appropriate PLM (Product Lifecycle management), and thus the power consumption and performance requirements of the CPU are considered; therefore, the higher CPU performance can be kept on the premise of keeping the low power consumption.

The invention belongs to the technical field of computer system structure design, and particularly relates to a cloud deep neural network optimization method based on CPU and FPGA cooperative computing. The method is divided into a front end part and a rear end part. The front end is a server taking a CPU as a core and is responsible for flow control, data receiving and partial processing; and therear end is an acceleration component taking the FPGA as a core, comprises a large-scale parallel processor array, a graphic processing unit, an application-specific integrated circuit and a PCI-E interface, and is responsible for parallel acceleration processing and the like of a key layer of the deep neural network. Firstly, the deep neural network is divided into two parts suitable for front-end processing and rear-end processing according to different levels; the front end shuttles the received data between the front end and the rear end by DDR in the form of a data stream to process eachlayer or a combined layer. The front-end flexible process control is matched with the rear-end efficient parallel structure, so that the energy efficiency ratio of neural network calculation can be greatly improved.

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 discloses a method for controlling household appliance equipment. The household appliance equipment includes a camera and an infrared sensor, and the method for controlling the householdappliance equipment includes adopting the infrared sensor to monitor current environment, the camera being in a non-wakeup state; when abnormality of current environment is monitored, awakening the camera, and adopting the camera to shoot; and storing multimedia information shot by the camera. The invention also discloses a device for controlling household appliance equipment, household applianceequipment and a computer readable storage medium. The method and device for controlling household appliance equipment, household appliance equipment and computer readable storage medium provided by the invention realize the effects of giving consideration to both power consumption and a security capability when security monitoring of the household appliance equipment is performed.

The invention provides an NAND Flash high-reliability storage management system for on-orbit use of a micro-satellite. The NAND Flash high-reliability storage management system comprises a data processing module, a data read-write module, a refreshing function module, an ECC verification module, a bad block management module and an NAND Flash interface control module. The NAND Flash interface control module has a two-out-of-three mode and a cold backup mode, the use mode is determined through an external control signal, and the working number of the control module is selected through a switchmatrix in different modes. The management system is connected with an NAND Flash chip through a GPIO (General Purpose Input/Output) port, and has the expansion capability of serial and parallel dimensions. The ECC verification module is constructed on the basis of the ping-pong operation principle, and the NAND Flash bad block table is managed and updated in combination with the external memory. In order to cope with large-scale errors, a refreshing function for the control module is designed. The high reliability of the NAND Flash storage management system is ensured through multiple modes, and meanwhile, the overall power consumption is considered.

The invention discloses a double-link management method and device, an electronic device and a storage medium. The method comprises the steps of determining a target application currently running on an intelligent terminal, wherein the intelligent terminal adopts a non-independent networking NSA for communication; and determining whether to open a dual link of the intelligent terminal according tothe relationship between the target application and an application list, the dual link indicating that 4G and 5G links are opened. The technical problem of high power consumption of 5G communicationin the prior art is solved.

The invention discloses a one-bit full adder based on Fin FETs. The one-bit full adder comprises first to twenty Fin FETs. The first Fin FET, the second Fin FET, the fifth Fin FET, the seventh Fin FET, the ninth Fin FET, the twelfth Fin FET, the thirteenth Fin FET, the fifteenth Fin FET, the seventeenth Fin FET, and the nineteenth Fin FET are P-type Fin FETs. The third Fin FET, the fourth Fin FET, the sixth Fin FET, the eighth Fin FET, the tenth Fin FET, the eleventh Fin FET, the fourteenth Fin FET, the sixteenth Fin FET, the eighteenth Fin FET, and the twentieth Fin FET are N-type Fin FETs. The one-bit full adder is low in circuit area, time delay, power consumption, and power consumption time delay product.

The invention relates to the technical field of Internet of Things chips, in particular to a low-power system and method for an Internet of Things chip, and the system comprises a PD_SOC power domainfor achieving the main functions of a system on chip; a PD_BLE power supply domain for realizing a low-power Bluetooth communication function; a PD_RAM power supply domain for realizing overall poweron and down and formed by combining a plurality of low-power modes such as retention, powerdown and the like; a PD_LPM power supply domain for realizing global configuration, global clock reset and power consumption management; and a PD_AON power supply domain for realizing global configuration, low-frequency clock and global reset, awakening and power supply/power consumption management of the always on domain. By using a double-power switching scheme and utilizing the low-power characteristic of the low-power power supply and the characteristics of relatively high response speed, precision and power supply capability of the main power supply, under mutual combination, the Internet of Things chip realizes two goals of low power consumption and quick response in a low-power mode needing quick response, so that the reliability of the Internet of Things chip is improved. The requirement of people for prolonging the endurance time of electronic products is met, and wider application of the electronic products is promoted.

The invention is suitable for the technical field of communication, and provides a control method and device for the connection of an access point. The control method comprises the steps: initializingthe connection of the access point; determining the forbidding time duration corresponding to the access point according to the number of connection failure times of the access point if the initialized connection of the access point fails, wherein the number of connection failure times is positively correlated with the forbidding time duration; and forbidding the connection of the access point inthe forbidding time duration. Therefore, the method avoids the power consumption, caused by the repeated initialization of the connection, of a mobile terminal. The method achieves the balance between the connection speed and the power consumption, can guarantee the speed of automatic connection and also can give consideration to the power consumption.

The invention discloses a WIFI and bluetooth based double-channel fish finding method, which solves technical problems existing in the prior art that an independent bluetooth-channel fish-finding device is short in effective transmission distance and slow in transmission speed and that although an independent WIFI-channel fish-finding device is long in transmission distance and quick in speed, the power consumption in data transmission is high and the working time is short. The WIFI and bluetooth based double-channel fish finding method comprises the steps that a mobile terminal gives out an analog signal; data of water depth where a fish-finding device is located and/or data of the bluetooth strength between the fish-finding device and the mobile terminal are/is acquired; whether the data of water depth where the fish-finding device is located or the data of the bluetooth strength between the fish-finding device and the mobile terminal exceeds a threshold or not is judged; if the data of water depth where the fish-finding device is located or the data of the bluetooth strength between the fish-finding device and the mobile terminal exceeds the threshold, WIFI is started so perform signal data transmission; and if the data of water depth where the fish-finding device is located and the data of the bluetooth strength between the fish-finding device and the mobile terminal do not exceed the threshold, bluetooth is started to perform signal data transmission.

The embodiment of the invention provides a method for receiving SSBs. The method comprises the steps of: determining the receiving number of SSBs according to the channel quality and the working state; and receiving SSBs based on the reception number. The embodiment of the invention further provides a communication device, communication equipment and a storage medium.

The LED lamp comprises a mounting plate and an LED lamp assembly. The LED lamp assembly comprises a lamp frame, a lightproof plate, a reflecting film, a light guide plate, a diffusion film and a prismatic crystal plate, wherein the lightproof plate, the reflecting film, the light guide plate, the diffusion film and the prismatic crystal plate are arranged on the inner side of the lamp frame in sequence, and an LED light source emitting light towards the light guide plate is arranged on the side face of the light guide plate; the glare control layer is provided with a hollow hole, a hollow layer is arranged in the light guide plate, and reflection supporting mechanisms which are used for guiding light emitted by the LED light source to the light outlet face of the light guide plate and canlimit and support the upper end face and the lower end face of the hollow layer are arranged in the hollow layer. Through arrangement of the glare control layer, illumination of the LED classroom lampis more uniform, and the anti-dazzling effect is better; the reflection support mechanism in the hollow layer of the light guide plate gives consideration to the power consumption of the light sourceand the uniform light generation effect.

Embodiments of the invention disclose a carrier aggregation mode setting method for a communication terminal and the communication terminal. The carrier aggregation mode setting method for the communication terminal comprises the following steps: judging whether a data flow value is larger than or equal to a first preset threshold; if the data flow value is larger than or equal to the first preset threshold, or when applications of a preset category exist in currently operated applications, setting the mode of the carrier aggregation function as frequency division duplex long-term evolution carrier aggregation; and on the contrary, setting the mode of the carrier aggregation function of the communication terminal as time division duplex long-term evolution carrier aggregation. According to the carrier aggregation mode setting method disclosed by the embodiments of the invention, the mode of the CA function of the communication terminal is set according to the categories of the currently operated applications of the communication terminal and the data flow values necessary for the applications, thereby considering the power consumption of the terminal while meeting the requirements of the terminal on the data flow, and reasonably setting the CA function of the terminal.