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91results about How to "Avoid truncation" patented technology

Voice broadcasting device and navigation system using the same and its method

The invention discloses a voice broadcasting device, a navigation system that uses the voice broadcasting device and a method that is adopted by the navigation system; wherein, the voice broadcasting device comprises a voice instruction broadcasting module and a broadcast collection buffer which is used for receiving and storing the voice broadcast instructions that contain broadcast content and are generated by the navigation system, the voice instruction broadcasting module obtains the voice broadcast instruction from the broadcast collection buffer, transforms the voice broadcast instruction to sound data and sends the sound data to an sound output device of the navigation system. As the invention leads the broadcast collection buffer that is used for receiving and storing the generated voice broadcast instructions to be arranged in the voice broadcasting device of the navigation system, when the voice instruction broadcasting module broadcasts a voice broadcast instruction, a newly generated voice broadcast instruction is sent into the broadcast collection buffer for being buffered and stored, and after the broadcast of the current voice broadcast instruction is finished, the broadcast of a next voice broadcast instruction is implemented, thus avoiding the situation that the voice broadcasting is cut off.
Owner:SHENZHEN CARELAND TECH

System and method for carrying out prefabrication and field assembly in electromechanical pipe network factory based on building information modeling (BIM)

The invention discloses a system and a method for carrying out prefabrication and field assembly in an electromechanical pipe network factory based on building information modeling (BIM). The system comprises a BIM model establishment unit, a three-dimensional laser scanner, a point cloud model generation unit, a BIM model and point cloud model merging unit; the method mainly comprises the steps of establishing a BIM model, carrying out three-dimensional laser scanning to obtain a point cloud model, carrying out merging and optimized configuration on the BIM model and the point cloud model, designing a supporting and hanging bracket system, carrying out prefabricated disassembly on a pipe network and outputting a prefabrication manufacturing drawing, enabling a factory to produce a pipe network according to the prefabrication manufacturing drawing, and transporting the pipe network to the field for assembling. The system and the method help to greatly improve the construction efficiency while meeting the structure conditions of prefabrication manufacturing.
Owner:广州市镒辰智造科技有限公司

Liquid crystal display panel

A liquid crystal display panel of the present invention is as follows. For example, in a liquid crystal display panel (L) in which an active matrix substrate (1) and an opposing substrate (2) are bonded with each other by a liquid crystal-sealing seal pattern (7) interposed therebetween and the liquid crystal-sealing seal pattern (7) is arranged so as to surround a liquid crystal layer-region (9), the pattern width (W2) of corner patterns (18b) to (21b) and (22b) to (23b) is substantially wider than the pattern width (W) of transversal patterns (11) to (14) and longitudinal patterns (15) to (17).
Owner:TOSHIBA MATSUSHITA DISPLAY TECH

Method for installing and using cable-stayed bridge reinforced concrete cable tower prestressed system

The invention belongs to the technical field of cable-stayed bridge construction, in particular relates to a method for installing and using a cable-stayed bridge reinforced concrete cable tower prestressed system, and solves the problem that a steel bar, a prestressed end and a prestressed steel bar at the prestressed end are subjected to cross interference due to the traditional anchor box with the prestressed end. The method comprises the following steps of: precasting a prestressed system, namely fixing a pier head anchor, an anchor box and a prestressed steel wire bundle; measuring and lofting the position of the anchor box; installing the anchor box; installing the prestressed system; performing prestressed tensioning and mud jacking; and performing water prevention and anchor sealing. The invention has the advantages that: the influence of the end on the common steel bar can be reduced, and the steel bar is prevented from being cut off; and a special template is not required to be installed during subsequent anchor sealing, the cubic amount of used concrete is small, workload is low, and the prestressed system is easy to construct.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1

Voice command detection model constructing method, detection method and system, man-machine interaction method and device

The invention discloses a voice command detection model constructing method. The method includes determining a typological structure of a voice command detection model; collecting a large amount of man-machine interaction voice data and recognition texts corresponding to the voice data; performing word segmentation on sentence texts of user questions or answers in the recognition text and acquiring word segmentation word strings in the unit of a single-round answers or questions; performing voice command end point evaluation on words in the word segment word string in sequence according to dialogue history information, and marking service types and an information slot or a state slot; by utilizing the recognition text and the evaluation information and mark information of the recognition text, performing training and acquiring parameters of the voice command detection model. The invention also discloses a voice command detection method and system, and a man-machine interaction method and device. The invention can improve voice command point detection accuracy and therefore improves success rate and response speed of machine response in a man-machine interaction process.
Owner:IFLYTEK CO LTD

Point cloud data division method and device and obstacle detection method and device

The embodiment of the invention provides a point cloud data division method and device and an obstacle detection method and device, and belongs to the technical field of computers. The point cloud data partitioning method comprises the steps of performing three-dimensional reconstruction on a depth image of a current environment to generate a point cloud data set, wherein one piece of point clouddata in the point cloud data set corresponds to one pixel point in the depth image; obtaining histogram distribution of the depth image based on pixel point depth values; establishing a plurality of depth intervals according to the number of pixel points corresponding to each histogram dimension in the histogram distribution; and dividing the point cloud data set into a plurality of sub-point cloud data sets corresponding to a plurality of depth spaces according to the point cloud data corresponding to the pixel points included in each of the plurality of depth intervals. According to the method, a point cloud data truncation phenomenon can be avoided, and the adaptability to a scene is higher.
Owner:ZOOMLION HEAVY IND CO LTD

Plastic film preventing cultivated crabs from escaping and preparation thereof

The invention provides a plastic membrane for preventing cultured crabs escaping and a preparation method thereof. The plastic membrane comprises the components with the following weight portions: 70 to 90 portions of polyolefin base material, 2.5 to 3.5 portions of antioxidant 2, 6 di-butyl-p-cresol, 0.01 to 0.03 portions of isocyanuric three(3,3- di-butyl-4-hydroxy benzyl) ester, 5 to 10 portions of reinforcing agent nano-montmorilonite and 15 to 20 portions of the mixture of terpineol / rough dipentene with the weight ratio of 50:50. The polyolefin base material is preferably 55 to 65 weight portions of liner low density polyethylene and 15 to 25 weight portions of low density polyethylene. As the improvement of the invention, the raw material of the plastic membrane also comprises 10 to 25 weight portions of metallocene catalyst for liner low density polyethylene. With the invention, the plastic membrane has good aging inhibiting effect and better solves the problem that the plastic membrane is easy to age and deteriorate due to sun burning and watering outside for a long time.
Owner:江东头

Video editing method and device

The invention relates to a video editing method and device. The method comprises the steps of determining candidate segments from a to-be-processed video; determining a scene conversion time point inthe to-be-processed video; and according to the scene conversion time point, determining a time range of an edited fragment corresponding to the candidate fragment. According to the invention, the candidate segments are determined from the to-be-processed video; a scene conversion time point in the to-be-processed video is determined, and according to the scene conversion time point, the time range of the edited clip corresponding to the candidate clip is determined so as to edit the video based on the scene conversion time point, thereby ensuring the integrity of the video content of the edited clip edited from the video, and avoiding bringing a jumping feeling and a truncation feeling to a user.
Owner:ALIBABA (CHINA) CO LTD

Method for realizing digital photo frame by using STB, and STB thereof

The present invention provides a method for realizing a digital photo frame by using a STB (Set Top Box), belonging to the STB field. The method comprises the steps as follows: whether an external storage device is accessed in the STB is detected; if no external storage device is detected to be accessed in the STB, no operation is adopted; if the external storage device is detected to be accessed in the STB, all files in the storage device are searched, and a picture file list is listed; then a picture playlist is generated according to picture files selected by a user; and the picture files are played in the television according to the picture playlist. In addition, the present invention also provides a STB provided with a function of the digital photo frame. According to the method and the STB in the present invention, the picture files in a user storage device are read by the STB, then the picture files can be played with the television, so that the function of the digital photo frame can be realized without buying a specialized digital photo frame device, thereby reducing user cost, and being convenient for popularization.
Owner:KONKA GROUP

Concrete building formwork for building projects

The invention discloses a concrete building formwork for building projects. The formwork includes a formwork body, a T-shaped sliding strip is fixedly connected to the top of the formwork body, a T-shaped groove is formed in the bottom of the formwork body, a heating plate is fixedly connected to one side of the formwork body, a handle is fixedly connected to the middle of the other side of the formwork body, and solar panels fixedly connected with the formwork body are arranged on the top and bottom of the handle. According to the scheme, through arrangement of the T-shaped groove and the T-shaped sliding strip which can be spliced with each other, during use, the splicing quantity can be adjusted reasonably according to the area, the situation that the building formwork is cut off and cannot be reused is avoided, the work efficiency of workers is also improved, and through arrangement of the heating plate, the solar panels can be utilized in a place with sunlight to charge a storagebattery which can supply power to the heating plate. During use of the building formwork, drying can be conducted on concrete at a time, and therefore the concrete can be better molded.
Owner:浙江富海建筑装饰工程股份有限公司

Suspension mold for enlarging and reinforcing concrete beam and construction method of suspension mold

The invention discloses a suspension mold for enlarging and reinforcing a concrete beam and a construction method of the suspension mold. The suspension mold comprises a concrete beam and a floor which is arranged on the concrete beam, wherein two sides of the concrete beam are respectively provided with a suspension rod, one end of each suspension rod penetrates through the floor to be fixed, the other end of each suspension rod is fixedly connected with a piece of a vertical square wood, each vertical square wood is provided with a left transverse square wood and a right transverse square wood, each transverse square wood is provided with a template, the template and the concrete beam form a closed grouting space, and the closed grouting space is used for enlarging and reinforcing the concrete beam; the floor is also provided with a grouting hole, and the grouting hole is communicated with the closed grouting space; a beam penetrating screw is also arranged on the concrete beam in a penetrating manner, and two ends of the beam penetrating screw also respectively penetrate through the template to be fixed. By adopting the structure, the stability of the template is reinforced, the pulp is unlikely to leak when the non-shrinkable grouting material is poured, and the deviation of the position of a construction axis caused by the existing of pipeline equipment below or on the side surface of a beam with the enlarged cross section can be avoided.
Owner:HANGZHOU GULI CONSTR ENG

Mounting method for templates of box-type steel skeleton inclined column

ActiveCN102926532AReduce the possibility of pressure instabilityReduce spatial distortionForms/shuttering/falseworksInstabilityRebar
The invention discloses a mounting method for templates of a box-type steel skeleton inclined column, which comprises the following steps that 1) a steel reinforcement cage of a steel skeleton is bound by steel reinforcements; 2) a column foot template and a column body template of the inclined column are subjected to lofting; a variable cross-section wire is put at the steel skeleton; 3) a template support is welded at a variable cross section; 4) templates are assembled and reinforced; double-groove steel is adopted as template reinforcing main ribs; and 5) a supporting frame is erected by the templates. The mounting method for the templates of the box-type steel skeleton inclined column has the benefits that 1) as the double-groove steel is adopted as the template reinforcing main ribs, welding of an anchor bolt on an inclined column body, subsequent cutoff and surface repair of concrete are avoided effectively; and 2) the steel reinforcement support is welded at the variable cross section of the column for bearing the pressure of the column body template, the probability of instability of the column foot template due to the pressure is reduced, and the probability of repeated position adjusting processes of the column foot template and the column body template is avoided.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Truncated TCP stream splicing method

PendingCN113472795ATruncated situations to avoidImprove accuracyTransmissionAnalysis dataSystems analysis
The invention relates to a truncated TCP stream splicing method, which comprises the following steps of: receiving network traffic through a bypass mirror image of a switch; deferring the processing of a message containing an RST flag bit in a TCP stream when analyzing the TCP traffic; solving the problem that the message containing the RST flag bit appears in one TCP stream and thus causes that the TCP stream is truncated, to reduce the situation that a bypass data acquisition and analysis system analyzes a large number of TCP streams only containing RST packets. By analyzing the end state of the TCP stream and the direction of the TCP stream, the problem that the delay time of a message in one TCP stream exceeds the RTO set by the bypass data acquisition and analysis system, resulting in that one TCP stream is truncated is solved, and the situation that originally safe TCP connection is mistaken as port scanning attack is avoided. By means of the method, the accuracy of data acquisition and the correctness of data analysis of the bypass data acquisition and analysis system can be enhanced, and cognition on the network security condition is improved.
Owner:广州广电研究院有限公司

Network recorders with entropy and value based packet truncation

In one embodiment, a computer-implemented method of conserving storage space in a network recorder includes receiving a computer packet including a header and payload data; estimating entropy of the payload data in the computer packet; determining if storage of the computer packet is of value or not based on the header of the computer packet; and storing all or a portion of the computer packet into a storage device based on the estimated entropy and the value determination.
Owner:ENDACE TECH

Multifunctional protection device for trees

The invention discloses a multifunctional protection device for trees. The device comprises a base, and the base is formed by splicing at least two base bodies; each base body comprises an upper fixation layer plate, a middle transition layer plate and a lower support layer plate, a reinforcing plate is fixed between the outer walls of each middle transition plate and the corresponding lower support layer plate, support rods are installed on the reinforcing plates, and wood protection plates are hinged to the upper ends of the support rods; each wood protection plate is fixedly provided with at least one second lock lug, the second lock lugs of every two adjacent wood protection plates are connected through a lock chain, each lock chain is provided with a hanging lock, and a nutrient conveying device is installed on one or more wood protection plates. According to the multifunctional protection device, sufficient support can be provided for the middles, lower portions and roots of thetrees so that the trees can bear external force; moreover, the device has a certain anti-theft function, and the trees can be prevented from being transplanted, pulled up or cut off; meanwhile, nutrition bags are convenient to hang, a layer of protection is provided for the nutrition bags, and therefore the smooth implementation of the nutrient conveying work is ensured.
Owner:绍兴市米莉农业科技有限公司

Generalized mixed visible light modulation method and device

The invention discloses a generalized mixed visible light modulation method and device. The method comprises the following steps: transmitting a generalized ACO-OFDM signal on partial odd sub-carrier,and multiplying with a signal amplification factor; transmitting a DCO-OFDM signal on even sub-carrier and residual odd sub-carrier, and multiplying with the signal amplification factor; respectivelyperforming discrete Fourier transform on the generalized ACO-OFDM signal and the DCO-OFDM signal, and performing single-polarity processing on the converted ACO-OFDM signal, and adding DC bias on theconverted DCO-OFDM signal so as to acquire a to-be-sent signal frame; and controlling the visible light driving current after performing amplitude limiting, digital-to-analog conversion and filtering, thereby acquiring and sending the visible light communication signal. Through the modulation method disclosed by the invention, the system resource can be flexibly distributed, the signal amplitudedistribution can be optimized, the signal truncated noise is suppressed, the communication performance under light-dimming constraint is improved, the spectrum efficiency and the optical power efficiency are balanced, and the whole system performance is improved.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN +1

False twister

The invention provides a false twister and relates to the textile field. The false twister includes a fixed seat, the front end of the top of the fixed seat is fixedly equipped with a fixed rod, and the front of the fixed rod is equidistantly provided with guide wire plates from top to bottom, and the top of the fixed seat is located on the fixed rod. An N-shaped fixed seat is fixedly installed at the rear of the N-shaped fixed seat. The top of the N-shaped fixed seat is provided with a guide wheel seat. The inside of the guide wheel seat is provided with a guide wheel shaft, and the surface of the guide wheel shaft is sleeved with a guide wheel. A cavity is opened inside the guide wheel seat and on the right side of the guide wheel, and a baffle is arranged inside the cavity. In this false twister, when the guide wheel drives the baffle to move, it is convenient to drive the buffer to move, so that under the action of the spring, the pressure bar is moved through the pressing block, so that the buffer block drives the buffer bar to move, which is convenient for buffering the guide wheel. It prevents the thread from being cut off in the case of thread jam, and reduces the production cost.
Owner:新昌县城关升华机械厂

Straw granulating unit

The invention provides a straw granulating unit. The unit comprises a base, a first motor is fixedly installed at one side of the outer surface of the upper end of the base, a machine box is fixedly installed at the other side of the outer surface of the upper end of the base, a granulating cylinder is fixedly installed on the outer surface of the upper end of the machine box, and a feeding bin isarranged at the upper end of the granulating cylinder. A discharging bin is arranged at the lower end of the outer surface of the rear end of the granulating cylinder, a discharging table is arrangedbehind the granulating cylinder, supporting legs are fixedly installed at the corners of the outer surface of the lower portion of the discharging table, and a conveying belt is movably installed onthe outer surface of the upper end of the discharging table. According to the straw granulating unit, after raw materials are added, the feeding bin is closed, the risk of accidental injury caused bydust pollution and straw splashing is reduced, meanwhile, a closing plate rotates centrifugally, the feeding bin is effectively prevented from being blocked by straw raw materials, straw particles areconvenient to unload, meanwhile, the straw particles are not prone to breakage, the unloaded straw particles are screened and filtered, and waste of the straw raw materials is avoided.
Owner:东台市高科技术创业园有限公司

Prefabricated floor secondary beam combined member

The invention discloses a prefabricated floor secondary beam combined member. The prefabricated floor secondary beam combined member comprises prefabricated floors, truss secondary beams and girders;the multiple prefabricated floors are built on a main frame spliced by the girders, grooves are formed in connection joints of the two adjacent prefabricated floors or connection joints of the two adjacent prefabricated floors and the girders, and pre-embedded pieces in the prefabricated floors and first fixing connection pieces on the girders extend out of the interiors of the grooves; concrete is poured in the grooves, and the prefabricated floors and the girders are connected; the upper parts of the truss secondary beams are fixed to the lower parts of the prefabricated floors, and fixing connection pieces connected with the prefabricated floors are arranged on the upper parts of the truss secondary beams; and connecting plates are arranged at two ends of the truss secondary beams, andthe truss secondary beams are connected with the girders through the connecting plates. According to the prefabricated floor secondary beam combined member, the prefabricated floors and the secondarybeams are combined together in a factory, the problem of initial immunity of the floors and the beams due to wet concrete is solved, and the purpose of increasing the strength and stiffness of the floors is achieved; and meanwhile, through the standardization and modularization of the prefabricated member, the workload is greatly reduced, and the construction speed is improved.
Owner:BEIJING UNIV OF TECH

Method for sending data and wireless transmission equipment

The invention embodiment provides a method for sending data, which is used for improving the competitive fairness of channels. In a transmission opportunity (TXOP), the method comprises that a candidate control frame is sent to a candidate terminal (STA, station) equipment, wherein the candidate control frame consists of an associated sign of the candidate STA and a media access control (MAC) address; a data frame is sent to a first-choice STA, wherein the data frame also comprises a sign for allowing to enter a sleep state, and the first-choice STA is an objective STA corresponding to the TXOP; after the data frame is sent to the first-choice STA, the first-choice STA enters a sleep state according to the sleep state sign; after the data frame is sent to the first-choice STA, the data frame is sent to a candidate STA according to the associated sign of the candidate STA and the MAC address. In addition, the embodiment of the invention also provides wireless transmission equipment.
Owner:HUAWEI TECH CO LTD

Incremental data synchronization method, device and equipment and readable storage medium

The invention discloses an incremental data synchronization method, device and equipment and a readable storage medium. The method comprises the steps that a source database is controlled to start a CDC, and capture operation in the CDC is forbidden; obtaining table structure information corresponding to the current scanning from the source database, comparing the table structure information of the current scanning with the corresponding table structure information of the last scanning to obtain table structure change information, and sending the table structure change information to the target database; and scanning logs of the source database by using fndblog to obtain a log corresponding to current scanning, analyzing the log corresponding to current scanning to obtain incremental data, and sending the incremental data to the target database. According to the technical scheme disclosed by the invention, the CDC and the fndblog are combined to synchronize the incremental data, so that the log is prevented from being cut off, the table structure change information can be identified, and the incremental data synchronization can be effectively and reliably carried out without depending on the self-increasing field.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Starch noodle manufacturing apparatus

The invention provides a starch noodle manufacturing apparatus. The apparatus comprises a pedestal, one end of the upper part of which is provided a winding wheel support, and the other end is provided with a control box. A power mechanism is arranged at a lower part of the winding wheel support, and the winding wheel support is in an installation fit relationship with the power mechanism. One end of an upper part of a control box is provided with a starch noodle discharging barrel, and the other end is equipped with a hydraulic mechanism. One end of the upper part of the starch noodle discharging barrel is provided with a material inlet. The hydraulic mechanism includes a hydraulic rod, one end of which in an installation fit relationship with the inside of the starch noodle discharging barrel, and the other end of which in an installation fit relationship with a hydraulic cylinder. The apparatus is simple in structure, novel in design, and convenient and simple to operate, and is practical and reliable. Starch noodles discharged from the starch noodle discharging barrel can be wound and collected in time, and the hydraulic rod and the hydraulic cylinder can provide stable continuous extrusion force to the starch noodle discharging barrel. The uniformity of the starch noodles is improved, and the processing quality of the apparatus is improved. According to design of an end cover located at one end of the starch noodle discharging barrel, through installation of end covers with different through-hole diameters, the diameter of the starch noodles can be adjusted.
Owner:张丹

Automatic carpet roll discharger

The invention discloses an automatic carpet roll discharger, characterized by comprising, according to the technical scheme, a frame, a motor and two cloth rollers driven by the motor and also comprising a roll discharging device; the roll discharging device includes a moving cover passed through the cloth roller and a roll discharging mechanism that drives the moving cover to slide on the cloth roller; the roll discharging mechanism includes a hydraulic cylinder and a piston rod; a rotary shaft is fixedly connected to the motor and is fixedly connected with a driving gear; the driving gear isengaged with a driven gear; the center of the side, close to the cloth roller, of the driven gear is provided with a rotary shaft rotationally connected to the frame; a fixing disc is fixedly connected to the rotary shaft, the piston rod is passed through the fixing disc, the rotary shaft and the driven gear, and the end, close to the moving cover, of the piston rod is rotationally connected witha bearing positioned in the moving cover. The problem is solved that manual removal of a carpet roll wastes time and labor.
Owner:青岛鼎颐达家居用品有限公司

Remote monitoring alarm control system of pipeline cutoff device

The invention relates to a safety protection facility for a mining and transportation pipeline, in particular to a remote monitoring alarm control system of a pipeline cutoff device. The remote monitoring alarm control system of the pipeline cutoff device comprises a wellhead safety hydraulic cutoff device and a remote executing mechanism, wherein the remote executing mechanism communicates with ahydraulic control system of a wellhead safety hydraulic cutoff device, the flow of hydraulic oil in the hydraulic control system is remotely controlled, high-pressure hydraulic oil in the hydraulic control system is forced to return to an oil storage tank, and a hydraulic cutoff valve loses supporting of the high-pressure hydraulic oil in the hydraulic control system. A flat gate valve forming the hydraulic cutoff valve is closed under the action of an internal spring of the flat gate valve, so that the cutoff of an air source is achieved, the structure is simpler and the closing is faster. According to the actual situation, the remote executing mechanism communicates with the wellhead safety hydraulic cutoff device arranged on the site through a hydraulic oil pipe, so that the distance between the remote executing mechanism and the wellhead safety hydraulic cutoff device is far, and the functions of remotely closing the hydraulic cutoff valve and cutting off the air source are achieved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Pruning shears having both functions of hanging on tree branch and absorbing shock

The present invention relates to pruning shears with which, when branches and stems of a landscape tree or a fruit tree and the like are cut, in the case in which the branches or stems have large diameters or are hard, the pruning shears may cut the branches and the stems while minimizing slipping and the like that occurs during pruning, and in addition may absorb the shock applied to the hand ofa worker when thick branches or the stems are cut, and may be conveniently hung on a tree branch while working. Also, the pruning shears include slide-type means for accommodating a portable saw for cutting tree branches or stems that are outside the cutting range of the pruning shears.
Owner:宋镇哲
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