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1161results about How to "Avoid overlapping" patented technology

Time division duplex system as well as dynamic frame structure and configuration method thereof

The invention discloses a time division duplex system, a dynamic frame structure based on the time division duplex (TDD) system and a configuration method. In a wireless frame, a subframe is selected as a dynamic subframe which has various states, and the states comprise an uplink subframe state, a downlink subframe state and an empty subframe state. In the time division duplex (TDD) system, when the adjacent boundaries of domains adopting different uplink and downlink configurations or the subdomain in the domain adopting certain uplink and downlink configuration changes the uplink and downlink configuration, the state of the dynamic subframe is adjusted so as to avoid the overlapping phenomenon of the uplink subframe and the downlink subframe of the adjacent cells adopting different uplink and downlink configurations, thus eliminating interference between the uplink subframe and the downlink subframe; and when a service type in certain subdomain is changed, the uplink and downlink configuration can be flexibly converted into other uplink and downlink configurations.
Owner:ZTE CORP

Method for configuring sounding reference signals

The invention provides a method for configuring sounding reference signals (SRS), which comprises the following steps: for each kind of configuration of subframe configuration parameters of the SRS, determining configuration orthogonal to the configuration; grouping all configuration of the subframe configuration parameters of the SRS to obtain three groups of configuration; according to a rule that each cell and adjacent cells belong to different types of cells, dividing all cells into three types, and corresponding the three types of cells to the three groups of configuration of the subframe configuration parameters of the SRS one by one; for each cell, according to number and moving speeds of UE and a rule that orthogonal configuration of the subframe configuration parameters of the SRS in adjacent cells is selected in priority, selecting one kind of configuration from a group of configuration of the subframe configuration parameters of the SRS corresponding to the cell to configure the subframe configuration parameters of the SRS of the cell; and setting subframes of the SRS occupied by the UE in various cells according to the subframe configuration parameters of the SRS of the cell. The method can effectively reduce SRS interference between CoMP cells, and has good compatibility for the conventional system simultaneously.
Owner:POTEVIO INFORMATION TECH

Low-profile dual-polarization dipole base station antenna loaded with AMC reflecting plate

The invention discloses a low-profile dual-polarization dipole base station antenna loaded with an AMC reflecting plate. The antenna comprises a dual-polarization planar dipole antenna, four plastic support columns and the AMC reflecting plate. The dual-polarization planar dipole antenna comprises coupling microstrip lines, an upper dielectric plate, a radiating structure and coaxial lines from top to bottom in sequence; the AMC reflecting plate comprises a rectangular patch, a lower dielectric plate, an air dielectric, metal support columns and a metal plate which are periodically arranged from top to bottom in sequence, the coupling microstrip lines and the radiating structure are located on the upper side and the lower side of the upper dielectric plate in the same placing direction, and + / -45-degree dual-polarization is achieved in a coaxial line feeding mode. The dual-polarization planar dipole antenna is fixed to the AMC reflecting plate through the plastic support columns. Accordingly, the AMC reflecting plate is adopted for replacing an original metal reflecting plate, the antenna profile height is lowered to 0.132 lambda 2.2 GHz from 0.264 lambda 2.2 GHz, and meanwhile the advantages of being wide in frequency band, high in isolation, low in cross polarization, low in cost and the like are reserved. The application requirement of the current communication industry is met, and the low-profile dual-polarization dipole base station antenna conforms to the development trend of miniaturization of current base station antennae and has practical reference value.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method and system for avoiding overlapped display of bullet screen

The invention discloses a method and a system for avoiding overlapped display of a bullet screen. The method comprises the following steps: dividing a live streaming display page into n bullet screen playing channels; wherein n meets the following conditions: n X a bullet screen height + (n-1) X a bullet screen spacing <= a live streaming display page; real-time updating information which plays a bullet screen and is the utmost distal from an exit of the bullet screens in each bullet screen playing channel; analyzing the information so as to calculate the motion state of the bullet screen to be displayed next, playing the bullet screen based on the motion state. The method and the system of the invention can explicitly increase efficiency of bullet screen display resources, and explicitly increase interaction experience of bullet screen users.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Method and device for loading bullet screen

The invention discloses a method and device for loading a bullet screen, and relates to the multimedia technology. The method for loading the bullet screen comprises the following steps: adding multiple bullet screen data to a cache pool according to a preset rule; extracting the bullet screen data from the cache pool; if an idle bullet screen orbit is existent at present, loading the bullet screen data on the bullet screen orbit, and displaying on the screen. For multiple bullet screen data arriving at the same time, the bullet screen data are firstly cached according to the preset rule and then extracted, and display when the bullet screen orbit is idle, the situation that multiple bullet screen data arriving at the same time are overlapped on the screen is avoided.
Owner:北京蜜莱坞网络科技有限公司

Display panel and display apparatus

The invention discloses a display panel and a display apparatus. The display panel comprises a display region and a non-display region around the display region; at least one metal wire is distributedin the non-display region to form inner and outer layer crack detection wires around the display region, wherein the inner and outer layer crack detection wires in parallel and positioned on the sameside of the display panel are formed by the same metal wire; and the inner and outer layer crack detection wires formed by the same metal wire have a bending position or a crossed position therebetween. By applying the display panel, the crack detection rate of the display panel can be improved.
Owner:BOE TECH GRP CO LTD +1

Active laser frequency standard based on four-energy-level quantum system

ActiveCN102593694AReduce frequency shift effectPreserve weak feedback functionActive medium materialFrequency stabilizationQuantum system
The invention provides a device and a method for generating an active laser frequency standard based on a four-energy-level quantum system. An air chamber in which a gain medium is filled is formed in a Fabry-Perot cavity, wherein the gain medium is the atomic gas of the four-energy-level quantum system. Pumping laser is emitted into one end of the Fabry-Perot cavity, and the atomic gas is excited from a ground-state energy level to a fourth energy level. Atoms in the fourth energy level are transited to a low energy level through spontaneous radiation, and atom population inversion is realized between a third energy level and a second energy level. The atoms in the third energy level are transited to the second energy level through spontaneous radiation or stimulated radiation photons, stimulated radiation is generated under the action of the Fabry-Perot cavity, and laser is output from the other end of the Fabry-Perot cavity. The active laser frequency standard is high in frequency stability and accuracy.
Owner:PEKING UNIV

Non-contact power transmission coil, portable terminal and terminal charging device

The present invention discloses a noncontact power-transmission coil, portable terminal and terminal charging device. The noncontact power-transmission coil includes a planar coil and a printed-circuit board. The planar coil is formed by spirally winding a linear conductor made of a single or twisted wire in a substantially same plane. The printed-circuit board includes a first external connection terminal portion, a second external connection terminal portion, a first contact portion connected to an inner peripheral end of the spirally-wound linear conductor, a second contact portion connected to the outer peripheral end of the spirally-wound linear conductor, a first conductor pattern connecting the first contact portion to a first external connection terminal portion, and a second conductor pattern connecting the second contact portion to a second external connection terminal portion. One planar portion of the planar coil is attached on the surface of the flexible printed-circuit board.
Owner:SONY MOBILE COMM INC +1

Construction method for compound thrombus clearing preparation bioactivity chromatography finger print

The present invention discloses a construction method for a compound thrombus clearing preparation bioactivity chromatography finger print. The construction method comprises the following steps: (1) preparing a compound thrombus clearing preparation test solution, precisely sucking 10 mul of the compound thrombus clearing preparation test solution, and injecting into a double-pump dual-gradient high performance liquid chromatograph to obtain a compound thrombus clearing preparation HPLC finger print; (2) preparing a mixed reference substance solution, precisely sucking 10 mul of the reference substance solution, and injecting into the double-pump dual-gradient high performance liquid chromatograph to obtain a reference substance HPLC finger print; (3) adopting a reference substance control method, and adopting an RRLC / MS / MS technical method to prove 21 chemical components in the finger print; and (4) analyzing correlation between the 21 chemical components and bioactivity difference, clarifying bioactivity component groups, and establishing a compound thrombus clearing preparation bioactivity chromatography finger print. According to the present invention, the compound thrombus clearing preparation HPLC finger print and the bioactivity component groups obtained from chromatograph efficiency analysis are combined to construct the compound thrombus clearing preparation bioactivity chromatography finger print so as to completely monitor safeties, effectiveness and quality uniformities of raw material herbs, semi-finished products and finished products.
Owner:SUN YAT SEN UNIV +1

Tunnel advanced support air circulated drilling construction method and drilling tool

The invention provides a tunnel forepoling air circulating drilling construction method. The construction steps are as follows: a driller is firstly installed and is moved to the appointed hole position along a track, according to the tunnel position line, the position angle of the driller is adjusted to ensure that the driller is parallel with the tunnel position line, the driller is fastened with a frame; an air compressor is turned on, the wind pressure is controlled above 0.4MPa, and then the driller is turned on to ensure that a drill pipe drills towards the earth at a constant speed, the compressed air is sent to an aiguille part through an internal cavity of the drill pipe and air-cools the aiguille, drilling cuttings are blown out of the drill hole from the gap between the drill pipe and the earth; the inner part of the aiguille is provided with a guide drilling device; finally, the hole drilling is finished and the grout is cast, the grout is cast into the inner cavity of the drill pipe by a casting pipe, the grout is filled into the inner cavity of the drill pipe and the ring-shaped gap out of the drill pipe, and the next hole position is turned to construct. The tunnel forepoling air circulating drilling construction method solves the problems of low security and slow drilling of the earth layer, especially the fourth new loess area pipe roofing timbering construction, can avoid the landslide and minimize the potential safety hazard.
Owner:BEIJING SHOUER ENG TECH

Non-invasive load monitoring method based on event detection

InactiveCN110954744AUnderstand the composition of the loadTo achieve the purpose of shaving peaks and filling valleysElectric devicesComplex mathematical operationsData setPower usage
The invention discloses a non-invasive load monitoring method based on event detection. The method comprises the steps of selecting an original measurement power signal in a public REDD data set for denoising processing, carrying out event detection on the processed data by using a generalized likelihood ratio detection method, and identifying a load switch and a state change time node by detecting an active or reactive power sequence of a load; switching a detected electric device into an event, extracting a steady-state current before and after switching, carrying out fast Fourier transformto extract current the harmonic characteristics, combining the active power, establishing a load characteristic library through an affinity propagation clustering algorithm, fitting the actual electric appliance data characteristics and a load characteristic set through a dynamic adaptive discrete particle swarm algorithm, and determining the operation state of the household electric appliance. According to the method, users can conveniently carry out household energy-saving management and make demand response measures for a power grid, the real-time bidirectional interaction of the intelligent power grid is realized, and the asset utilization rate and the energy utilization efficiency are effectively improved.
Owner:ZHEJIANG UNIV OF TECH

Semiconductor device and manufacturing method thereof and electronic equipment comprising semiconductor device

The invention discloses a semiconductor device and a manufacturing method thereof and electronic equipment comprising the semiconductor device. The semiconductor device disclosed by the embodiment comprises a substrate, a first source / drain layer, a channel layer and a second source / drain layer, wherein the first source / drain layer, the channel layer and the second source / drain layer are sequentially superposed on the substrate and are adjacent to one another; and the channel layer comprises a semiconductor material which is different from the first source / drain layer and the second source / drain layer, and a gate stack formed around the periphery of the channel layer.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Electrochemical sensor capable of simultaneously detecting dopamine, ascorbic acid and uric acid

The invention relates to an electrochemical sensor capable of simultaneously detecting dopamine, ascorbic acid and uric acid. The electrochemical sensor comprises a work electrode, a reference electrode, and a counter electrode; wherein the substrate electrode of the work electrode is a glass-carbon electrode, the surface of the work electrode is coated with a composite material of graphene and mesoporous ferroferric oxide, the reference electrode is a saturated calomel electrode (SCE), and the counter electrode is a platinum wire electrode. Under an optimum condition, the electrochemical sensor can achieve the measurement of a single substance in a high concentration of coexisting substances, and can also simultaneously detect dopamine, ascorbic acid and uric acid. The electrochemical sensor not only avoids the phenomenon that the summit potentials of dopamine, ascorbic acid and uric acid overlap with each other, but also improves the sensitivity, repeatability, and stability of the conventional method.
Owner:UNIV OF JINAN

Robot tool central point calibration method using two-dimensional measurement functional tablet

The invention discloses a robot tool central point calibration method using a two-dimensional measurement functional tablet. A robot is controlled to enable a TCP to make contact with a measurement area of a calibration tool more than three times in different postures in the calibration process, joint coordinate information of the robot is recorded in the contact process, and the two-dimensional coordinates of the contact points in a measurement plane are output through the two-dimensional position measurement function of the calibration tool; the coordinates of the TCP in a robot tail end tool coordinate system are calculated according to measured joint rotation angle information of the robot and the coordinate data of the contact points on the tablet and in combination with the structural parameters of the robot, and the calibration accuracy is evaluated. According to the calibration method, the TCP of the robot does not need to coincide with the same fixed point multiple times, the point-point coincidence requirement is weakened to point-surface coincidence, and operation is easy. When the TCP of the robot has small deviation, autonomous calibration can be realized.
Owner:CENT SOUTH UNIV

Character segmentation method for offline handwriting Uighur words

The invention discloses a character segmentation method for offline handwriting Uighur words, belonging to the field of character segmentation in optical character identification. The character segmentation method comprises the following realization steps of adopting a multi-characteristic analysis method and extracting a communicating characteristic, an attribution characteristic, a position characteristic and a local summit characteristic of a word; dividing the word into field aggregates template according to the communicating characteristic, and dividing all fields into master fields and slave fields; obtaining a plurality of sub field aggregates through field clustering according to the attribution characteristic; carrying out multi-characteristic combination guide segmentation aiming to each sub field aggregate, extracting a potential master-slave segmentation point according to the local summit characteristic and the communicating characteristic, and determining to adopt an independent or combination segmentation mode combined with the position characteristic; and finally, obtaining the integral optimal character segmentation effect by optimizing a segmentation line according to the communicating characteristic and the position characteristic. The invention has the advantages of favorable character segmentation effect to the Uighur word, simple operation steps with easy realization and low calculation complexity and can finish character segmentation by being transplanted on a mobile phone mobile platform.
Owner:XIDIAN UNIV

Method and application for reducing coexistent interference of time division duplexing system in different frame structure

When co-existence of the time division-synchronization code division multi-address TD-SCDMA time-division duplex system with the common land wireless access UTRA TDD time division duplex system is needed, configuring the slot of UTRA TDD, which deploys neighborly and uses the neighbor frequency according to the slot configuration of TD-SCDMA system in order to ensure the consistent between the up going and down going slots of two systems. Therefore, the invention reduces the mutual interfere between systems and raises the system function.
Owner:SHANGHAI ULTIMATE POWER COMM TECH

Echo cancellation two-way voice talk back equipment

The invention discloses echo cancellation two-way voice talk back equipment which comprises an audio input module, a horn drive module, an echo elimination module, a noise-reducing and silencing module, a voice delay module and an audio output module. The echo cancellation two-way voice talk back equipment has the beneficial effects that the echo elimination module ensures bidirectional voice call at a distance of furthest 3m and eliminates echo and squeal; input audio control is completed through an automatic gain control algorithm of the echo elimination module, conditions of no remarkable fluctuation, small voice volume difference, no distortion and the like do not exist in sound in a distance of 1-3m; the noise is reduced by 10Db through the noise-reducing and silencing module, and a time domain and a frequency domain noise analyzing modules, environment noise is eliminated, and echo noise is further reduced; and voice is delayed through a voice delay module, sound of amplified by a speaker is avoided being overlapped with sound acquired by a microphone to cause incapability of accurately confirming an echo signal.
Owner:杭州艾力特音频技术有限公司

Arterial traffic four-intersection control sub-area bidirectional green wave coordination control method

The invention relates to an arterial traffic four-intersection control sub-area bidirectional green wave coordination control method based on phase sequence optimization. A new cycle calculating formula is provided, the problem that a signal cycle value obtained with an original cycle formula is small is solved, and a more reasonable signal cycle is generated. A four-intersection phase sequence simultaneous-optimization method is designed, the phase sequence of intersections of four-intersection control sub-areas is optimized through a speed prediction control reward function, guide vehicle speeds corresponding to different road sections are given according to the optimized phase sequence, smooth bidirectional green waves are formed by the control sub-areas, and phase segmentation and upper-lower-line phase conflicting are avoided. The arterial traffic four-intersection control sub-area bidirectional green wave coordination control method has the advantages that the more reasonable signal cycle is generated, the vehicle speed on an artery can be highest within an allowed range under the manual control condition, the traveling time is saved, phase changes of the intersections are stable and smooth, the integrity of the phase sequence green time is guaranteed, conflicting of an original artery coordination control mode to control over road physical conditions and phase segmentation are overcome, and the arterial traffic four-intersection control sub-area bidirectional green wave coordination control method is an efficient and simple artery coordination control method.
Owner:HENAN POLYTECHNIC UNIV

High-speed serial bus structure for multi-point interconnection and communication method thereof

The invention discloses a high-speed serial bus structure for multi-point interconnection and a communication method thereof, and relates to the information interaction domain of a communication device. A clock transmission channel and a data transmission channel are arranged between the main station single board of the bus structure and every slave station single board; the clock transmission channel and the data transmission channel are realized through a M-LVDS bus, wherein the main station single board provides a bus clock through the clock transmission channel for making every station singe board receive and send data while takes charge of maintaining the bus; when the bus is in idle state, the sending authority of every slave station single board is granted so as to send data from every slave station single board. The slave station single board is used for distinguishing different priority levels through comparing the address of every slave station single board after acquiring the sending authority, so as to contend for the bus using right and send data. All station points on the bus shall competitively use the bus, and has high instantaneity; the main station bus management method can make that every station has equal opportunity to contend for the bus.
Owner:FENGHUO COMM SCI & TECH CO LTD

Kit for quantitative detection on O type foot-and-mouth disease virus antibody through fluorescence immunoassay magnetic particles

The invention discloses a kit for quantitative detection on an O type foot-and-mouth disease virus antibody through fluorescence immunoassay magnetic particles. The kit consists of O type foot-and-mouth disease virus antibody negative serum, O type foot-and-mouth disease virus antibody positive serum, VP1 coating magnetic beads, a biotinylation goat-anti-pig antibody, a streptavidin marking fluorescent substance, a cleaning solution and an enhancing solution. The magnetic beads used in the kit have relatively large binding areas, so that the detection range is greatly increased, the reaction time is shortened, and the sensitivity is improved. The kit has a relatively wide stimulation spectrum and a relatively narrow emitting spectrum, the cost can be reduced, and the sensitivity can be improved; compared with a conventional fluorescent substance, the kit is relatively wide in detection range and relatively good in specificity. Due to adoption of a streptavidin-biotin signal amplification system, the detection sensitivity is further improved, and the kit is relatively high in sensitivity when being compared with ELISA (Enzyme-Linked Immuno Sorbent Assay) and chemiluminiscence. Together with a full-automatic detector, on-site automatic operation can be achieved, one or more samples can be simultaneously detected, and the kit is simple, convenient and rapid to operate and low in price.
Owner:GUANGZHOU BIOKEY HEALTH TECH CO LTD

Preparing method of micro disk array electrode

The invention is a method of preparing microdisc array, adopting 4 steps: firstly inserting micron or nano fiber electrode material in quartz capillaries, then placing these capillaries in different shaped templates and fixing them into electrode array with different appearance on the surface. Inserting the template in the glass tube, one end of the electrode material is connected and led out by copper wires using Ag conductive glue, and the other end is injected with epoxy glue and packaged, and placing and solidifying the electrode array at room temperature. Placing the solidified microdisc array electrodes in sequence on the rough sand paper and 1.5, 0.5, and 0.03 mum alpha -Al2O3 for smoothing and polishing, then making circulating volt-ampere in the Fe(CN)63- water solution at 5mmol / L, where the supporting electrolyte is KCl at 1mol / L, the potential range is 0.6-0v, and the scanning speed is 0.01V / s and if the circulating volt-ampere graph is S-shaped, it shows that the microdisc array electrodes are successful.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Industrial control flow acquisition and protocol analysis method

The invention discloses an industrial control flow acquisition and protocol analysis method. The method comprises the following steps: acquiring data based on a mirror image port of an industrial control network switch; preprocessing the acquired data, wherein the preprocessing comprises restoring a network session of a transmission layer, identifying an application protocol and extracting structured metadata; respectively carrying out classified storage on the network session passing through the reduction transmission layer, identifying an application protocol and extracting various types ofdata subjected to structured metadata processing; and according to a set rule, monitoring and analyzing the classified and stored data, and finding out abnormal data. According to the invention, flowdata is accessed in a mirror image mode, so that risk hidden troubles during deployment of series equipment are avoided. Meanwhile, a five-layer processing architecture of acquisition, preprocessing,analysis, storage and return is established, the effect of each architecture level is clear, a clear guiding effect is achieved for acquisition and analysis of industrial control flow, and role overlapping of each layer is avoided.
Owner:CHINA TOBACCO ZHEJIANG IND

Liquid crystal display panel and manufacturing method thereof

The invention provides a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises a first substrate, a baffle wall, an alignment film and frame glue,wherein the baffle wall, the alignment film and the frame glue are arranged on the first substrate, the baffle wall is in an annular shape, the alignment film is arranged at an inner side of the baffle wall, the frame glue is arranged at an outer side of the baffle film, the baffle film comprises at least two layers of sub baffle walls which are sequentially arranged from bottom to top, each subbaffle wall is in an annular shape, in two adjacent layers of baffle walls, the projection of an inner side wall of the sub baffle wall at an upper layer is arranged between an inner side wall and anouter side wall of the sub baffle wall at a lower layer, so that the inner side wall of the baffle wall is in a step shape, the climbing resistance of a solution for forming the alignment film at theinner side wall of the baffle wall is greatly improved during preparation of the alignment film at the inner side of the baffle wall by a solution film formation mode, the alignment film is preventedfrom being expanded out of the baffle plate and overlapped with the frame glue, and the stripping risk of the frame glue is reduced.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Phase diversity wave front measurement imaging device based on difference optics

ActiveCN102636271AAdjust Light DistributionSolve the low signal-to-noise ratioOptical measurementsPhase-affecting property measurementsLight energyImaging lens
The invention discloses a phase diversity wave front measurement imaging device based on difference optics, which comprises a light beam matching system, an imaging lens, a spectroscope, a reflecting mirror, a reflecting mirror with small holes, a translation mechanism and a photoelectric detector CCD (charge-coupled device). The phase diversity wave front imaging device is characterized that a difference optics system can simultaneously obtain a focal plane image and an out-of focal plane image of the same target by a photoelectric detector; the light intensity energy of a target to be imaged can not be lost; an out-of focal plane can obtain continuous adjustable out-of focusing amount which increases from zero gradually; and the positions of the focal plane image and the out-of focal plane image in a target surface of the photoelectric detector CCD can be adjusted randomly. Compared with the various imaging technologies used in phase diversity, the phase diversity wave front measurement imaging device is simple and stable in structure, can simultaneously obtain the focal plane image and the out-of focal plane image by the photoelectric detector, can flexibly adjust various parameters used for the phase diversity, can realize maximum light energy utilization, and establish a foundation for a phase diversity wave front measurement technology in actual engineering, particularly an application of the phase diversity wave front measurement technology under a weak light condition.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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