85results about How to "Improve performance utilization" patented technology

A method is for realizing Multi-Input Multi-Output which includes steps of: sending, by a Central Access Point, a downlink sounding channel, Multi-Input Multi-Output (MIMO) control information, and a feedback resource indicator to a Station (STA); detecting, by the STA, the downlink detection channel to obtain channel information, and feeding back on the feedback resource according to the indication of the MIMO control information; and selecting, by the Central Access Point, a suitable MIMO mode for downlink data transmission according to the feedback of the STA.

The invention discloses an electric vehicle heat management system and method. The electric vehicle heat management system comprises an electric drive assembly cooling loop, an air conditioning loop and a battery cooling and heating loop, wherein the battery cooling and heating loop communicates with the electric drive assembly cooling loop through a valve; and the battery cooling and heating loopcommunicates with the air conditioning loop through a heat exchanger. The electric vehicle heat management system has the advantages that the electric drive assembly cooling loop, the air conditioning loop and the battery cooling and heating loop of a vehicle system communicate with each other; and according to an actual vehicle state, the electric drive assembly cooling loop is controlled to radiate heat of a battery loop by using a low temperature heat radiator or to heat a battery at a low temperature by using heating after heat of an electric drive assembly; and therefore, the capacity utilization ratio is increased, and energy waste is reduced.

The embodiment of the invention discloses a wafer test classification method and system, belongs to the technical field of chips, and the method comprises the steps: obtaining the online multi-wafer test data of a target wafer before a packaging step, wherein the test data comprises specified parameter test result data of the target wafer under different temperature and voltage test conditions; performing performance power consumption classification on each chip of the target wafer through a preset chip classification model according to the acquired specified parameter test result data; and generating a packaging graph including product specification information corresponding to each chip according to a preset corresponding relationship between the performance power consumption classification and the product specification. According to the invention, offline chip performance analysis and classification can be carried out according to wafer test parameters, thereby achieving the purposes of improving the performance level of a final device, meeting the requirements of product specifications with different performance and power consumption, and improving the productivity of actual products.

The invention relates to a multi-light source projecting system and relative light module, wherein the invention comprises: light source, light source controller, color selective dichroic mirror, liquid crystal light valve, light combine element and projection lens; the light source is formed by first and second lighting elements to supply first and second light colors; the light source controller controls the synchronous operations of light source and liquid crystal light valve; the color selective dichroic mirror divides the second color light into third and fourth color lights; the liquid crystal light valve receives the color light independently to transmit them to the light combine element; the light combine element combines the first, third and fourth color lights to be mixed to be projected to the projection lens to form light image. The invention can fully utilize the efficiency of second color light, to make the brightness of first, third and fourth ratio met with the needed final brilliance white light, to improve the light utilization.

The invention relates to a frequency domain coherent joint capture method of a GNSS data/pilot mixed signal, more particularly to a coherent joint capture method of a GNSS data/pilot mixed signal. According to a traditional single-channel capture method, energies of a new-system navigation signal can not fully utilized, so that capture performance is poor; however, the above-mentioned problem canbe solved according to the invention. The method comprises the following steps that: with utilization of a phase relationship between a data channel signal and a pilot channel signal, coherent processing is carried out on the signals of the two channels aiming at a GNSS data/pilot mixed signal, and then capture is completed. The invention is suitable for application in a capture process of a GNSSdata/pilot mixed signal.

The invention discloses a solid state disk error correction method, which comprises the following steps: reading state information of a data block, and calculating data writing duration according to the state information; when the data writing duration is greater than a first preset duration, carrying out data transfer operation on the data block; when the data writing time length is smaller thanor equal to the first preset time length and larger than the second preset time length, determining the optimal voltage offset according to the result of the analog reading operation, modifying the reference voltage of the reading operation is modified according to the optimal voltage offset, and therefore when the data of the data block is read, carrying out reading operation according to the optimal voltage offset. The reference voltage of the reading operation is modified through the simulated optimal voltage offset, so that the reading error occurring when the data is read is corrected, the excessive use of the data transfer operation is avoided. The consumption of the system performance is reduced, and the performance utilization rate is improved. The invention further discloses a solid state disk error correction device, a storage device and a computer readable storage medium which have the above beneficial effects.

The invention discloses a file writing-in method and device based on erasure codes, a computer readable storage medium and a server. The method comprises the steps that whether or not the length of source data is needed to be written into zero data to make up the length of erasure strips is judged; if yes, the zero data is written into the source data, and an erasure code algorithm is used for calculating redundant data; when the zero data is written into a hard disk, a file of which the size is identical to that of the zero data is established through system operation commands, and accordingly a memory system identifies the file into the zero data. When the zero data is written into the hard disk, an empty file of which the size is identical to that of the zero data is used for replacinga writing-in operation, the memory system can identify writing-in of the zero data, the writing-in time of the zero data is saved, the performance of writing-in of original zero data is improved, andthe performance utilization rate of the memory system is improved. The file writing-in device based on the erasure codes, the computer readable storage medium and the server have the advantages.

The invention belongs to the technical field of environment protection, and particularly relates to an organic waste gas plasma degradation treatment device. The organic waste gas plasma treatment device is a plasma reactor and comprises a reactor cylinder, a gas inlet located in the top end of the reactor cylinder, a gas outlet in the bottom end of the reactor, a discharging electrode located in the reactor cylinder and a power interface for supplying power to a plasma discharging device; an energy using device for increasing the area and length of a sliding electric arc is arranged on the reactor cylinder, and the energy using device is an arc expanding rod, an arc expanding plate or the combination of the arc expanding rod and the arc expanding plate. The organic waste gas plasma treatment device is capable of increasing the treatment amount of organic waste gas, and the removal rate of the organic waste gas is up to 99.9%, the problem of ozone emission is avoided, and the organic waste gas plasma degradation treatment device can be widely applied to the organic waste gas treatment field.

The invention provides a virtual rail train body structure. The virtual rail train body structure comprises a bottom frame, side walls, end walls and a train roof. The virtual rail train body structure is characterized in that the bottom frame further comprises wheel area arched beams, the wheel area arched beams are arranged among a low floor area skeleton, a first-position end bottom frame and asecond-position end bottom frame, and the shape of each wheel area arched beam is an arch which is matched with the outer contour of a wheel; wheel area inclined supports are arranged on the upper sides of wheels of side wall steel skeleton structures, cross beams are arranged between the wheel area inclined supports on the upper sides of the wheels, outer decorative plates are fixed to the outersides of the side wall steel skeleton structures, and arch-shaped openings are formed in the wheels of the outer decorative plates of the side walls; and the end walls include left and right baffles,upper cross beams and wallboards, both sides of the upper cross beams are fixedly connected with the side walls, the upper sides of the upper cross beams are fixedly connected with roof aluminum profiles, the left and right baffles are fixedly connected with the side walls on both sides, and the wallboards are fixedly connected to the outer sides of the left and right baffles and the upper crossbeams. Force is continuously transmitted to a main structure of the vehicle body through the arched beams and transition beams on the bottom frame between a suspension and the vehicle body, and a force transmission path is improved.

The invention provides an insulation coordinating method of a module unit of a modularized multi-level voltage source converter, and belongs to the field of alternating current/direct current conversion and power transmission and distribution of a voltage source converter. A voltage source converter (VSC) is adopted as the module unit; when the insulating method provided by the invention is adopted, all equipment of the module unit can meet the insulating requirement of the system and exert self characteristics of the equipment to the maximum extent simultaneously, the cost of the module unit and the structural design difficulty are reduced, and the running robustness of the VSC system is improved; and the electric field of the module unit is distributed uniformly, and the influence of primary main equipment on a secondary control and protection system is reduced. The insulating method comprises the steps of: selecting insulating equipment and metal equipment according to the parameters of the module unit in various working conditions, and performing the structural design and electric design on the module unit to ensure the module unit to operate safely, reliably and economically under the voltage stress.

The invention provides a writing-in method for storage data in a storage system, which comprises the following steps: a user-mode file system receives a writing-in request; processing the storage dataaccording to the writing-in request, and constructing metadata corresponding to the storage data; and writing the storage data and metadata in a nonvolatile memory. By establishing the user-mode filesystem, the distributed storage system does not need to convert the user mode to a kernel mode when reading local storage data, avoids a large number of I/O operations when the user mode is convertedto the kernel mode, and simplifies the I/O process. Moreover, in the process of writing in data, the metadata corresponding to the data is constructed by the user-mode file system, which facilitatesthe access of metadata, improves the performance utilization of the non-volatile memory, and thus improves the overall data reading and writing performance of the storage system. The present application also provides a writing-in system for storage data in a storage system, a computer-readable storage medium and a server having the above-mentioned beneficial effects.

The invention discloses a data transmission method. The method comprises the following steps: determining a transmission protocol by first equipment according to the length of an obtained data packet;when the first device receives a data request sent by the second device, dividing the to-be-sent data into a plurality of data packets according to a transmission protocol, and continuously sending the plurality of data packets to the second device; and when the sending is finished, sending a data transmission finishing instruction to the second equipment, so that the second equipment performs verification processing on the received data packet according to the received verification code. When the data request is received, all the to-be-sent data is continuously sent according to the transmission protocol with the variable data length, the data transmission process is achieved, due to the fact that the length of the data packet of the transmission protocol is variable and not fixed, the data transmission process can adapt to equipment performance to conduct data transmission, and the performance utilization rate during data transmission is increased. The invention further discloses adata transmission device, computer equipment and a computer readable storage medium, which have the above beneficial effects.

The invention discloses a circulation cooling water device of a fuel cell system. The circulation cooing water device comprises a pure water circulation branch, a fresh water circulation branch and anexternal cooling water circulation branch, wherein the pure water circulation branch is used for performing three-stage heat transferring and utilization and is used for transferring heat to the fresh water circulation branch by a pure water/fresh water heat exchanger, the fresh water circulation branch is used for heating a hydrogen storage device and an oxygen storage device by fresh water, andremaining heat is transferred to the external cooling water circulation branch by the fresh water/external cooling water heat changer. By three-stage circulation water, heat transfer can be achievedlayer by layer; and heat exchange is performed in a stage way, the device is convenient to adjust, heat stepped utilization is achieved, and the energy comprehensive efficiency of the system can be effectively improved.

The invention discloses a method and a device for multi-channel video condensation. The method comprises the steps that a host process acquires input to-be-condensed video file identification information, and dynamically adjusts a starting way of a condensed subprocess according to the central processing unit (CPU) performances of a current computer system; the host process sends a video condensation command with the to-be-condensed video file identification information to the started condensed subprocess; and the condensed subprocess opens a corresponding to-be-condensed video file according to the command, and selects a corresponding video condensation algorithm according to the type of the to-be-condensed video file so as to carry out video condensation. Due to adoption of a multiprocess method, the number of condensed video files in unit time is increased. Through synchronous processing by the multiprocess, the CPU computing capacity of the computer system is effectively used and the internal storage use efficiency of the computer system is also improved, so that video condensation efficiency and performance use ratio of the computer system are improved.

The embodiment of the invention discloses a message transmission method and a node. The method may comprise the following steps: a current node obtains an added message including a UDP header and a context tag, wherein the added message is a message obtained by adding the UDP header and the context tag to a service message, the protocol type of the message header of the added message is UDP, a destination port number in the UDP header is used for identifying the context tag, the context tag includes path information and protocol type, the path information is used for representing the path information of a transmission path of the added message, and the protocol type of the context tag is the protocol type of the load of the service message; and the current node acquires the path information from the context tag, and processes the added message according to the path information. According to the embodiment of the invention, the utilization rate of equipment resources can be improved.

The invention provides a target urban railway interconnection and intercommunication operation organization scheme optimization method, which considers a railway interconnection and intercommunicationoperation organization mode that achieves peripheral departure and central arrival, optimizes a national railway operation organization scheme in a target city range, and under given transportation lines and passenger flow demand conditions, constructs a high-speed railway operation organization scheme optimization model by taking full utilization of the passing capacities of stations and lines,taking convenient travel of passengers in a city as an optimization objective, and taking station capacity limitation, passenger flow space-time characteristics and line and section capacity limitation as constraint conditions, and finally solves the mixed integer programming model. According to the method, an operation organization scheme is optimized through modeling, so that the capacity utilization rate of a railway line network and a hub is fully exerted, distribution of access trains and stop trains of lines and stations with large capacity redundancy and lines and stations with insufficient capacity is reasonably adjusted, and an elastic space is reserved for long-term line planning.

The invention discloses a Storm cluster load balancing method and system based on discrete particle swarms. The Storm cluster load balancing method comprises the steps of obtaining the number s of working nodes and the number t of tasks to be distributed; initializing a particle swarm; obtaining the Pbest of each primary particle and the Gbest of the particle swarm; updating each task allocation method; updating the Pbest of each particle and the Gbest of the particle swarm after iterative updating; obtaining a global historical optimal task allocation method Gbest until the number of iterations reaches a preset maximum number of iterations; running a Storm cluster according to a global historical optimal task allocation method Gbest; according to the method, the strategy of Storm clusterscheduling by adopting the particle swarm algorithm can improve the performance utilization rate of the Storm cluster, and the situation that the CPU of a certain working node is fully loaded and theother working node is unloaded is avoided.

The invention discloses a transmission device under an irradiation bundle. The transmission device under the irradiation bundle comprises a set of machine frames, and a plurality of sets of rollers are arranged between the machine frames, wherein each set of rollers is composed of two rollers which are arranged coaxially. The rollers are arranged on the machine frames through bearing seats. The same side of rollers of each set of rollers, corresponding to the other side of rollers, can independently or synchronously move. The transmission device under the irradiation bundle solves the problem that in the prior art, an existing transmission device under an irradiation bundle can just exit and enter through a one-way channel, and a working range is small. A plurality of the sets of rollers are adopted, wherein each set of rollers is composed of two rollers which are arranged coaxially, and the rollers at the left side and rollers at the right side can move independently and also can move in linkage mode. Under the condition of independent movement, two narrow sheets which have different dosage requirements or specifications can be irradiated, also two different electric wires and cables can be simultaneously irradiated, and also one sides of sheets are irradiated and the other sides of the electric wires and the cables are irradiated. Under the condition of linkage, wide sheets can be irradiated, so that the transmission device under the irradiation bundle is wide in irradiation range, and strong in practical applicability.

The invention provides a loudspeaker parameter configuration method and a related device, and the method comprises the steps: firstly, detecting the actual resonant frequency of a loudspeaker of electronic equipment and the environment temperature of a space where the electronic equipment is located; then, inquiring a preset mapping relation set to determine the reference resonant frequency corresponding to the environment temperature, wherein the mapping relation set comprises the corresponding relation between the environment temperature measured under the preset air pressure condition in advance and the resonant frequency of the loudspeaker; and finally, configuring a target audio parameter according to the actual resonant frequency and the reference resonant frequency, wherein the target audio parameter is used for enabling the diaphragm displacement of the loudspeaker not to exceed a preset diaphragm displacement. The method can simulate the air pressure change of the environment according to the change of the resonant frequency of the loudspeaker after eliminating the interference of the environment temperature factor, further configures proper audio parameters, increases the performance utilization rate of the loudspeaker, is suitable for various environments, and saves the hardware cost.

The invention discloses a cache lower refresh method and system. The cache lower refresh method comprises the steps of receiving a corresponding IO transmitted by a Lower Cache by utilization of attributes of the IO; determining an Mdisk subset in an Mdisk set corresponding to the IO by utilization of the attributes of the IO; and performing lower refresh on the IO into each Mdisk in the Mdisk subset by utilization of residual space of each Mdisk in the Mdisk set so as to enable the residual space of each Mdisk in the Mdisk subset to satisfy a preset difference value. A Partition receives the corresponding IO transmitted by the Lower Cache, determines the Mdisk subset in the Mdisk set corresponding to the IO by utilization of the attributes of the IO, and finally obtains and uses the residual space of each Mdisk in the Mdisk set, and performs lower refresh on the IO into each Mdisk in the Mdisk subset according to dynamic change of the residual space of each Mdisk in the Mdisk subset, so that the residual space of each Mdisk in the Mdisk subset satisfies the preset difference value, and therefore the Mdisk performance utilization rate, cache utilization rate and cache lower refresh efficiency are improved.

The embodiment of the invention discloses a data transmission control method and device, a medium and electronic equipment. The method comprises the following steps: acquiring attribute information of a box body corresponding to each receiving card in a screen; determining the display position of the box body corresponding to the receiving card in the screen according to the starting coordinate, and determining the display data volume of the box body according to the length information and the width information; determining the number of target receiving cards connected with the target network port according to the loading capacity of the target network port and the display data volume; determining at least one target receiving card connected with the target network port according to the display position and the number of receiving cards connected with the target network port; and sending the display data to the at least one target receiving card through the target network port so as to transmit the display data. And the display data sent by the cards are received one by one under each network port. By executing the technical scheme, the loading capacity of the sending card can be fully utilized, so that the effects of improving the performance utilization rate of the sending card and reducing the control cost of the display screen are achieved.

The invention discloses a rain flow counting processing method for a long-time-history vibration signal. The method comprises the steps: carrying out the effective data partitioning: selecting the same vibration horizontal point as a selection starting point of partitioning, taking two times of the time length of a partitioning signal as an initial time length, carrying out the Fourier transform calculation of the data partitioning, and obtaining the data power spectral density distribution; wherein the error between each frequency point and the vibration power spectrum is smaller than a specified value; and based on multiprocessor computer hardware and software programming, carrying out rain flow parallel processing on each vibration data block to obtain a fatigue grading spectrum of each data block. And finally, carrying out average calculation on the frequency count of each amplitude grading of all the data blocks, and finally, obtaining the fatigue spectrum of the whole vibration signal. The method improves the calculation speed and precision of rain flow counting processing, and is especially suitable for rain flow counting processing of large-time-domain sample data vibration signals with long vibration action time.