74results about How to "Guarantee friendliness" patented technology

The invention discloses a congestion control method based on ECN mechanism in the mixed network, including the following steps: extract final section of ECN feedback information of the router, computer the congestion probability according to the distribution of the congestion mask, the sender can predict the congestion via the change trend of the congestion probability and adjust the congestion control mechanism according to the prediction result. The invention deduces the congestion according to the change rule of the congestion probability, namely only when the congestion probability value shows the increase trend, the congestion can be identified, so it can avoid the instantaneous and blind determination of the network status when the independent ECN feedback is used. The prediction results of the feedback are used to control the response behavior of the TCP packet loss and can accurately eliminate the influences of the non-congestion packet loss on the TCP congestion control in the mixed network.

The invention discloses a video code rate real-time adjusting device and system, and a video server. The video code rate real-time adjusting device based on a wireless network comprises a processor for realizing each instruction; and a storage for storing multiple instructions, wherein the instructions are suitable for loading and executing by the processor; the multiple instructions comprise the following steps: obtaining a packet loss rate according to packet loss information detected by a video receiving end; predicting the video code rate of the network according to the packet loss rate to obtain the predicted code rate; judging whether the current network is in congestion according to the video data confirmation information fed back by the video receiving end; if the current network is in congestion, adjusting the real-time code rate according to the predicted code rate, and sending the video data according to the adjusted code rate. Whether the current wireless network is in congestion is judged according to the packet loss rate and like information at the video receiving end; if the current wireless network is in congestion, the sending code rate of the video data is immediately adjusted to reduce the congestion state of the wireless network, thereby improving the transmission efficiency of the video data.

The invention discloses a SoC_FPGA-based flexible intelligent machine vision detection system. A SoC_FPGA serves as a central processing unit, and the SoC_FPGA is integrated with a power module, a clock module, an image sensor, a storage system, a power monitor, an I/O, and a transmission module. The SoC_FPGA comprises an HPS and an FPGA, and is integrated with an ARM hard core processor, a DSP and an FPGA. A programmable logic and a DRAM controller in the FPGA architecture form an image acquisition module used for acquiring and storing images. The programmable logic, a DSP module and an RAM module in the FPGA architecture form a custom accelerator used for image processing operation. The ARM hard core processor is loaded with an embedded operating system and a user program to manage hardware resources of the system. The machine vision detection system achieves high degree of integration and low cost.

The invention relates to a transmission control method of the multimedia data, in particular to a congestion control method based on the jitter measurement in the metro Ethernet network. The method utilizes the priority bit position of the C-VLAN Tag of the Q-in-Q the metro Ethernet network as the counter of the node time delay jitter. The accumulated time delay jitter of the multimedia data frame in the transmission process from end to end is followed. The data of the small jitter corresponds to the higher priority and the data of the higher jitter corresponds to the lower priority. The Ethernet data frame, the jitter value of which is larger than the user tolerate threshold value, is lost by the determination of the user tolerate threshold value. The invention can effectively reduce the average time delay jitter of the multimedia flow, which can improve the good throughput of the multimedia service and the service quality of the multimedia service.

The embodiment of the invention discloses a data storage method and device. The method comprises the following steps: calculating hash values for identifying index fields of database partitions by adopting a preset algorithm; calculating hash values for identifying the IP (internet protocol) addresses of storage nodes by adopting a preset algorithm, wherein the hash values of the IP addresses of the storage nodes form a storage node ring; when data need to be stored, by taking the hash values of the index fields corresponding to the to be stored data as the starting points, searching the storage nodes from the storage node ring along the clockwise direction, and storing the to-be-stored data into the searched first storage node. According to the data storage method and device, the friendliness in the aspect of database partition extension and the balance of data storage can be ensured.

The invention discloses a video monitoring system for automatically marking road section information, which comprises a data acquisition system arranged at a monitored road junction, a control system arranged in a monitoring room, a transmission system and a video display device. The data acquisition system comprises a camera and a pan/tilt; and the control system comprises a pan/tilt control unit. The video monitoring system for automatically marking the road section information also comprises a road section information marking module. The data acquisition system also comprises an angle measuring device which is connected with the pan/tilt and measures the horizontally rotated angle of the pan/tilt. The road section information marking module is used for marking the road section name anddirection of the road junction into a video picture. The video monitoring system solves the problem that the traffic video monitoring system in the prior art can only mark the road section name by means of experience and memory of monitoring personnel, and is a convenient and quick video monitoring system for automatically marking the road section information.

The invention provides a method for removing lead from heavy metal polluted soil leacheate. The method comprises the following steps of: adjusting the pH of the heavy metal polluted soil leacheate to 2.0-3.5; adding nano iron powder; shaking; and removing lead from the heavy metal polluted soil leacheate. By applying the method provided by the invention, over 70 percent of lead can be removed from the heavy metal polluted soil leacheate.

The invention discloses a scale inhibitor for sewage treatment. The scale inhibitor is a copolymer synthesized through a reaction of 2.75-5.34 mass% of maleic anhydride, 1.86-1.93 mass% of sodium p-styrenesulfonate, 0.94-1.21 mass% of hydroxyethyl methylacrylate, 0.45-0.82 mass% of an initiator, 0.45-0.82 mass% of a molecular regulator and 90.11-93.45 mass% of distilled water. The invention also discloses a preparation method of the scale inhibitor. The preparation method comprises the following steps: weighing certain amounts of the maleic anhydride, odium p-styrenesulfonate, hydroxyethyl methacrylate, the molecular regulator and distilled water, heating to dissolve above materials, adding the initiator, and finally carrying out precipitation purification, suction filtration and vacuum drying to finally obtain the finished scale inhibitor. The scale inhibitor disclosed in the invention has the advantages of solving of low scale inhibition efficiency and pollution of nitrogen and phosphorus elements to environment of existing scale inhibitors, avoiding of the problem of reverse osmosis membrane scaling in a water treatment system, simple synthesis method and low cost.

The invention provides a batch data conflict detection method, a batch data conflict detection device and a system. The method comprises the steps of receiving data information of a to-be-processed task inputted by a user; storing the data information into a to-be-processed queue according to a task sequence number corresponding to the data information; reading a piece of the data information from the to-be-processed queue and acquiring state information of the read data information, information of an occurred task and data of a conflict relation between two objects; judging whether the to-be-processed task is conflicted according to the state information of the read data information, the information of the occurred task and the data of the conflict relation between the two objects; if yes, judging whether the conflict frequency of the to-be-processed task reaches an upper limit; if yes, setting the state of the to-be-processed task into failure, if no, adding one to the conflict frequency of the task to be processed, and adjusting the to-be-processed task to the tail of the to-be-processed queue.

The invention provides an industrial liquid hazardous waste treatment system.The industrial liquid hazardous waste treatment system is composed of an air circulating treatment microsystem, a waste liquid concentrating treatment microsystem and a heat pump circulating microsystem, wherein the air circulating treatment microsystem is composed of a fan, an air and waste liquid concentrating treater and an air/refrigerant heat exchanger; the waste liquid concentrating treatment microsystem is composed of a waste liquid storage box, a waste liquid circulating pump, a waste liquid draining pump, a waste liquid inputting pump, a waste liquid/refrigerant heat exchanger and the air and waste liquid concentrating treater; the heat pump circulating microsystem is composed of a refrigeration compressor, a thermostatic expansion valve, the waste liquid/refrigerant heat exchanger, the air/refrigerant heat exchanger and a radiator.Industrial liquid hazardous waste high in water content is concentrated through a low-temperature evaporation technology, and the outsourcing handling capacity of the industrial liquid hazardous waste can be reduced by 70% or more.

The invention relates to a high dynamic video processing system based on a SoC FPGA. The system comprises an image sensor, the SoC FPGA and display equipment, wherein the image sensor is used for collecting and outputting first video data; the SoC FPGA is connected to the image sensor and is used for configuring the image sensor, simultaneously receiving and processing the first video data to formsecond video data and outputting the second video data; and the display equipment is connected to the SoC FPGA and is used for receiving and displaying the second video data. In the invention, a SoCPGA platform is adopted, an integrated level is further increased, the advantages of various chips are performed, and system design difficulty brought by inter-chip data exchange is reduced through astandard bus protocol. Software program exploitation is flexible and convenient and can be transplanted to different hardware platforms. Through a software and hardware cooperation design, hardware system resources can be flexibly used. The FPGA is used for real-time image processing, and calculating performance and real-time performance are effectively increased.

The invention provides a photoresist and an application method thereof. The photoresist is genetic recombinant spider silk protein. Compared with a conventional photoresist, the genetic recombinant spider silk protein serving as the photoresist has a series of outstanding advantages of being good in biocompatibility, excellent in mechanical performance, good in etching-resistant selectivity, easy in functionalization and controllable in degradation, and the like. According to the photoresist provided by the invention, in a use process, only water is used as a solvent and a developing solution; the compatibility and the environmental friendliness of a processing technique are furthest guaranteed; in addition, through changing the cross-linking extent of the genetic recombinant spider silk protein; positive and negative dual purposes, that is, the genetic recombinant spider silk protein not only can be used as a positive photoresist but also can be used as a negative photoresist, can be realized; by associating with different processing methods, the compound processing from top to bottom and from bottom to top can be realized; multi-dimension and across-scale biological micro/nano structures are prepared; the photoresist has better application and development prospects.

The invention relates to a music information processing method and a device, electronic equipment and a computer readable storage medium. The music information processing method comprises the steps ofdetermining target music based on a target object which is selected by a user on a specified interface and used for video production, and the target music serves as candidate video background music;drawing a floating layer popup window carrying the music information of the target music on a specified interface; and when a user operation initiated based on the floating layer popup window is received, determining video background music based on the target music, thereby improving the music display effect and ensuring the user experience.

The invention discloses a man-machine interaction method and device, a storage medium and a terminal. The man-machine interaction method comprises the following steps of: in a process of interacting with a user, obtaining history question and answer data in a preset time period before the current moment; analyzing the history question and answer data to determine at least one friendly parameter, wherein the friendly parameter is attribute information of the process of interacting with the user; calculating a friendliness on the basis of the at least one friendly parameter and a weight corresponding to each friendly parameter; and adjusting a subsequent interaction process with the user on the basis of the friendliness. According to the method and device, the storage medium and the terminal, the friendliness of the man-machine interaction can be improved and the user experience can be enhanced.

The invention relates to a device for automatically winding tapes for wire harnesses, comprising: a main frame (8); a wire harness fixing component: used to fix the wire harnesses to be wound on the main frame (8); a tape winding machine head (5): comprising Rotating motor (52), the rotating body unit (58) that is driven to rotate by rotating motor (52), is fixedly installed on the rotating body unit (58) and rotates with the adhesive tape installation frame (59) of rotating body unit (58), and The material stopper (510) installed at the center of the rotating body unit (58) and passed through by the wire harness to be wound; the head displacement assembly: installed on the main frame (8), and the connection tape is fixed on the head displacement assembly Winding machine head (5), and drive adhesive tape winding machine head (5) to move on main frame (8), to be fixed on the main frame (8) to be wound the winding tape of wire bundle to be wound. Compared with the prior art, the invention has the advantages of compact structure, small footprint, high work efficiency, good tape winding quality and the like.

The invention discloses a frequency dynamic optimization control method and system of a virtual synchronous fan. Specifically, in an electric power system comprising a virtual synchronous fan, under the normal operation state of the virtual synchronous fan, the frequency of the electric power system is changed due to the influence of load disturbance, and a frequency dynamic optimization method needs to be added to optimize the frequency dynamic of the electric power system after disturbance. According to the invention, only frequency-based preceding-stage control needs to be added to reactivepower control of the virtual synchronous fan, and a filtering link, a differential link and a proportional link are carried out; after the electric power system is disturbed, the change of a frequency signal is transmitted to a reactive power instruction to cause the change of the terminal voltage of the virtual synchronous fan, and finally the change of the active power of the electric power system is correspondingly caused, thereby optimizing the frequency dynamic of the electric power system, and guaranteeing the safe and stable operation of the electric power system and the friendliness of a power grid.

The invention relates to the technical field of lubricating oil, in particular to biodegradable industrial gear oil and a preparation method thereof. The biodegradable industrial gear oil is prepared from the following raw materials of extreme-pressure antiwear additive, phosphorous -containing antiwear additive, metal deactivator, oxidation and corrosion inhibitor, anti-rust agent and base oil. The biodegradable industrial gear oil has the advantages that the oxidizing stability and the seizure and biting resisting property are good, the viscosity index is higher, and the flash point and pour point are higher; the biodegradable industrial gear oil is suitable for more complicated use working condition and temperature change, the equipment can be well lubricated, the influence to equipment by water is avoided, the oil replacement cycle is prolonged, and the additional loss caused by frequent oil replacement is avoided; by adopting the biodegradable base oil and the environment-friendly additives, the biodegrading rate is higher, and the environment-friendly property is guaranteed on the basis of meeting the working requirements.

The invention belongs to the technical field of detection on automobile meter indicator lamp colors, and provides an automobile meter indicator lamp color detecting method based on a dynamic clustering method. The automobile meter indicator lamp color detecting method based on the dynamic clustering method solves the problems that an existing automobile meter indicator lamp color detecting method is high in false detection rate, not reasonable in detecting algorithm, and low in reliability and accuracy of detecting results. The method includes the two steps of clustering of the indicator lamp colors and detection on the indicator lamp colors. The automobile meter indicator lamp color detecting method based on the dynamic clustering method is applicable to the detection on the automobile meter indicator lamp colors.

The invention discloses a structural material, which comprises powder and a liquid in a solid-to-liquid ratio of 1:0.5-1.5, wherein the powder comprises the following raw materials in parts by weight:40-70 parts of fly ash, 10-20 parts of bentonite, 10-20 parts of Portland cement and 0.1-1 part of an adhesive, and the liquid is a garbage concentrated solution. The structural material provided bythe invention is environment-friendly and high in strength, can replace existing garbage covering clay, can also be used as bedding soil for road infrastructure and the like, and is high in practicability; and the preparation method has the advantages of high environmental safety, strong economic feasibility and low operation cost, and can effectively solve the problem of difficult treatment of the concentrated solution.

The invention provides a sending code rate adjusting method and system for a wireless network video. The method comprises the steps: multi-rate network detection is conducted at a current time periodfor no less than once, wherein during each time of multi-rate network detection, a detection stream is sent at different rates for at least twice, and packet receiving information fed back by detection stream sending at the various rates is received; according to packet sending information and the packet receiving information of at least twice of detection stream sending, detection information corresponding to each time of multi-rate network detection is obtained; according to the detection information, a network available bandwidth model corresponding to each time of multi-rate network detection is obtained; according to the network available bandwidth models and the predetermined network transmission probability, a target sending code rate of the wireless network video is calculated; anda video service of a next time period is sent according to the target sending code rate. According to the method and system, on the basis of ensuring the friendliness with other TCP streams, the utilization rate of the network available bandwidth and the sending rate of the video service are increased.

The embodiment of the invention relates to the technical field of animal husbandry transportation equipment, and discloses a multifunctional live poultry transport vehicle which comprises a first airpurification device and an air supply device which are sequentially arranged in an air inlet in the front end of a sealed carriage, and a second air purification device and an air exhaust device whichare sequentially arranged in an air outlet in the rear end of the sealed carriage. The storage compartment is arranged close to the rear end of the sealed compartment, and a turnover vehicle door isarranged on the side face. The sealed compartment can prevent harmful germs propagated along with air from entering the compartment body from the outside or flowing into the outside from the inside ofthe compartment body. According to the multifunctional live poultry transport vehicle, the safety of live poultry in the sealed compartment is guaranteed, the friendliness to the external environmentis also guaranteed, and the application range is wide.

The invention discloses a burning-free brick and a preparation method thereof. The burning-free brick comprises 30-45 parts of domestic waste incineration fly ash, 10-15 parts of alkaline substances, 5-10 parts of industrial waste residue, 30-45 parts of water glass and Solvent 0-25 part; Wherein, described industrial waste slag is two or three kinds in waste calcium carbonate, casting waste sand, iron ore tailings slag; Waste slag, water glass and solvent are excited and stirred by alkali to make brick slurry, and then the slurry is discharged into the mold, and after shaking, pressing and curing, it is made into non-burning brick. The process of the invention is simple and the cost is low, and the unburned bricks produced by the invention also have good environmental friendliness and strength, can be applied as building bricks, have strong practicability, and effectively solve the problem of difficult disposal of fly ash from domestic waste incineration .