60results about How to "Unlimited number" patented technology

The invention relates to a method and a system for WEB page layout. The method includes: obtaining a page layout command, calculating a parent container absolute size; traversing element of the parent container for obtaining a sum of the element having a first sign; obtaining a difference value of the parent container absolute size and the element having the first sign; calculating and obtaining the absolute size of the element having a second sign according with percent of the element having the second sign to the difference value; laying the web page according with the absolute size of the element having the first sign and the absolute size layout page of the element having the second sign. The method and system make the element with the second sign trying to use residual space of the parent container, and changing with the parent container size change, having a function of suitable the parent container size change dynamic.

The embodiment of the invention discloses a feedback method of a weight matrix and the related device and system so as to reduce the feedback overhead of beam forming. The method provided by the embodiment of the invention comprises the steps: (1) an STA sends the beam forming ability information of a terminal to an AP (access point), and the beam forming ability information comprises the beam forming based on a weight matrix set form supported by the terminal and a largest supported beam forming antenna number, (2) the terminal receives weight matrix set information fed back by the access point according to the beam forming ability information, and the weight matrix set information comprises a plurality of preset weight matrices and the ID numbers which carry out unique marking on each weight matrix, (3) the terminal carries out channel estimation according to data package sent by the access point to obtain an CSI, (4) the terminal selects weight matrices from the weight matrix set information respectively for each OFDM subcarrier according to the CSI obtained through estimation, and (5) the terminal feeds the ID number corresponding to the weight matrix selected for each OFDM subcarrier to the access point.

A method of realizing one card for multinumber service in mobile communication system includes setting number conversion platform MCP in said system, storing the corresponding relation of original master number to newly added subnumber in said MCP, carrying out number conversion on the calling according to MCP by mobile communication system when calling related to subnumber is connected and finalizing said calling according to conversion result.

This invention discloses a configuration method for carrier channels in a multi-carrier communication system, which designs a TCA information format carrying with carrier channel configuration information to configure the MAC channels of zero or multiple reverse carriers to the forward carrier of the terminal, in which, the MAC channels can include DRC-Lock sub-channels or not and the corresponding relation between the channels or sub-channels and the carriers and the action time sequence are described in the TCA information, besides, the MAC channels of multiple reverse carriers can be configured on a same forward carrier to fully utilize the channel resources.

The invention provides an optical fiber end face pumping coupler for an optical fiber amplifier and a fabrication method of the optical fiber end face pumping coupler. According to the method, conical input optical fibers after being tapered or corroded are combined by using a glass tube, and then the conical input optical fibers are fused with output optical fibers; and a fiber core of an input signal optical fiber is not needed to be tapered, the diameters of the fiber cores of the input optical fibers and the fiber cores of the output optical fibers can be ensured to be basically consistent, thus, the coupler can be suitable for various modes of signal light, and relatively high coupling efficiency can be achieved.

The invention discloses a method of realizing multiterm network safety function by using a single chip. The method comprises the following steps: the chip carries out an analysis to the received message and obtains the content of the crucial fields about inputting the message; according to the analysis result, double layer process is carried out and the MAC table is used for research; if the research of the MAC table hits target, then a source IP, ,a target IP, a source port, a target port and a protocol in the analyzed message are used for looking for the firewall connection table; if not hit target, then the content is sent to the CPU and the CPU make a further process; if the research for the firewall connection table hits target, the message is carried out the corresponding process according to the marks in the firewall connection table; if failing not hit target, then be sent to the CPU and the CPU makes a further process. The invention improves the system performance of the network and reduces the system cost.

The invention discloses a high-speed collection method based on a network-on-chip. The method comprises the steps that firstly, a human-computer interaction interface sets an AD data collection working mode, initializes modules, determines a calibration parameter, sends a data collection starting command, and so on; secondly, an AD data collection resource network interface module calibrates collected data, encapsulates the calibrated data into data packets and sends the data packets to the network-on-chip, the network-on-chip forwards the data to an Ethernet resource network interface, the Ethernet resource network interface transmits the data to an Ethernet module, and the Ethernet module encapsulates the received data into data frames according to a UDP protocol and sends the data frames to the human-computer interaction interface; and finally the human-computer interaction interface correspondingly processes the data. The method is characterized in high sampling rate, high data transmission efficiency, low resource utilization rate, low power consumption and high expandability.

The invention provides an LED dynamic display device and method based on persistence of vision, and relates to LED dynamic display technologies. The LED dynamic display device and method solve the problem that an existing LED dynamic display method cannot display images stably. According to the LED dynamic display device, a storage device is used for storing data of coding files in the display process; a gyroscope is used for monitoring the rotating angle of an LED display screen in real time; a master controller conducts data fusion according to the rotating angle, finds corresponding data blocks in the coding files and then controls the LED display screen to conduct image display. By means of the LED dynamic display device and method, stable images can be displayed, and various target images including dynamic images can still be displayed stably, and even videos can be played under the condition of the variable rotating speeds; meanwhile, the number of LED light bars is not limited, and the device can be used for any rotating LED display platform.

The invention relates to the field of robot path planning and particularly relates to a multi-robot cooperative path planning method. A workpiece is provided, a main robot and a slave robot are defined, and the main information of the main robot and the slave information of the slave robot are acquired; the main robot adopts an active vision mode to acquire the information of the workpiece; according to the main information and the slave information, a robot model is built, and an environment model is built according to the workpiece information; according to the robot model and the environment model, the main robot determines the working tasks and the working paths of the main robot and the slave robot; and the main robot and the slave robot execute the working tasks according to the working paths. A three-dimensional object is intelligently identified through a binocular active vision system, which is not limited to features of the color and the shape and the like of the object. A sectional path planning technology is adopted, the path optimization efficiency is improved, a handshake collision avoidance problem in multi-robot superimposed motion can be solved, and dynamic adjustment of each joint and online optimization of the path during the multi-robot processing process can be realized.

The invention discloses a multiple-to-one VLAN projection method, comprising that (1), dividing each VLAN of descending port into N regions, while N is integer larger than 1, and each region comprises a plurality of VLAN, (2), a data pack entering into the ascending port of VLAN projection, according to character learns MAC and searches a MAC list, (3), when MAC can not be searched in the step (2), a network processor copies the data pack into N portions, while each portion is relative to a descending VLAN region, (4), the network processor copies each data pack copied in the step (3), while the copied number is the VLAN number contained in each region, to complete the broadcast of data pack in descending port. The inventive method can improve data transmission efficiency, and break the limitations on range and number of descending port VLAN, to support the expansion of descending port.

A measurement method for contribution rate of commingled production crude oil capacity utilizes the capillary gas chromatography hydrocarbon finger-print detection technology of the crude oil, performs analysis on the finger-print composition of hydrocarbon in the crude oil at the level of molecule, and reflects the composition and content of the hydrocarbon compound in the crude oil; measurable differences exist among the concentration of composition of each layer of crude oil (such as isoalkane, cyclane, and the like) in the chromatograph hydrocarbon finger-print. According to the method, the multiple inlets crude oil capillary gas chromatography hydrocarbon finger-prints are used together to deduce backwards to obtain the yield contribution ratio of crude oil of each layer, single-layered crude oil finger-print library (using single-layered test oil sample) is not required, and the method is economical and practical, and is simple and convenient to operate.

The invention discloses a method for bidirectionally transmitting a message in an MPLS (Multi-Protocol Label Switching) network, which mainly comprises the following steps of: establishing a P2MP (Point-to-Multipoint) LSP (Label Switching Path) with a forward path and a backward path between an Ingress PE node of the MPLS network and at least one Egress PE node, wherein the node through which the backward path passes is the same as that through which the forward path passes; when the Ingress PE node receives a message transmitted by a user side, transmitting the message to each Egress PE node along the forward path of the P2MP LSP; and when the Egress PE node receives the message transmitted by the user side, transmitting the message to the Ingress PE node along the backward path of the P2MP LSP. The invention further discloses a system for realizing bidirectional transmission of the message in the MPLS network. According to the invention, the management complexity of the LSP in the MPLS network can be greatly reduced; in addition, the method and the system can be applied to clock synchronization of IEEE (Institute of Electrical and Electronic Engineers) 1588v2; and on the premise of ensuring the clock precision, the number of intermediate transmission nodes by which the IEEE1588v2 can span between a main clock and a slave clock is not limited.

The invention provides a signal transmission method and a transmitter thereof, which belong to the technical field of transmitter-side signal processing. The method comprises the following steps: performing space-time block coding of a bit stream; modulating the space-time block coding result by means of orthogonal frequency division multiplexing (OFDM), and treating the OFDM result by means of cyclic delay diversity. The signal transmission method achieves the effects of full diversity gain and coding gain at the same time.

The invention discloses a Genlock system. The system comprises a synchronizing separator for accessing an external Genlock signal and separating a multi-phase input synchronous signal for the Genlock signal; a time sequence generator for producing a video pixel clock and a time sequence signal for the Genlock under the driving of the multi-phase input synchronous signal; a programmable digital logic circuit for accessing and caching video data and computing synchronous information in the video data, and determining whether to synchronously lock the Genlock signal according to transmission delay time between the synchronous information in the video data and the synchronous information of the Genlock signal. The invention further provides a Genlock method. Through the implementation of the technical scheme provided by the invention, the number of accessing video device cannot be limited, the operation capacity of the system is improved and the system cost is lowered.

The invention relates to an intelligent building monitoring system based on Android and power carrier. A power line serves as a medium to transmit data packets. The system comprises control ends, a concentrator and multiple terminals, wherein the control ends comprise a PC control end and a mobile phone control end; the PC control end and the concentrator are connected via a serial port line for transmitting data; the mobile phone control end and the concentrator are connected via a GSM network for transmitting data; and the concentrator and a lower-stage terminal are connected via the power line for transmitting data. Defects of strong noise interference, large signal attenuation, randomness, time variation and the like in the case of carrier communication of a low-voltage power line can be overcome. Power carrier wired communication and GSM wireless communication are combined, advantages are enhanced and disadvantages are avoided, advantages of each are made full use of, the communication range is expanded, interference is reduced, the PC end is used for monitoring, multiple aspects such as inner dynamic point monitoring, theft prevention, alarming, and temperature monitoring of the intelligent building are realized, and a regional intelligent building monitoring network is further developed into a wide-area intelligent building monitoring network.

The present invention discloses a single carrier frequency-domain equalization method based on sub-block analysis mainly for solving the problems in the prior art that the hardware complexity is high, and the realization process is complicated. The single carrier frequency-domain equalization method based on sub-block analysis comprises the realization steps of 1, intercepting a fast Fourier transform (FFT) block of which the length is N from a reception terminal, and dividing the FFT block into a plurality of sub-blocks; 2, carrying out the N-point FFT on the intermediate channel response in the time quantum of the i-th sub-block; 3, calculating the coefficients of an equalizer to obtain the frequency-domain equalization data of the whole FFT block; 4, obtaining the time domain equalization data of the whole FFT block by the frequency-domain equalization data; 5, obtaining the time domain equalization data of the i-th sub-block; 6, splicing the time domain equalization data of the sub-blocks to obtain a final equalization result. According to the present invention, by carrying out the frequency domain equalization in the FFT block, the interblock interference does not need to be eliminated, thereby reducing the hardware complexity, and simplifying the equalization realization process. Moreover, the single carrier frequency-domain equalization method based on sub-block analysis has a better bit error rate performance than the prior art, and is suitable for the worse channel environments.

The invention discloses a method for determining heavy ion LET value in a single event effect experiment for components. By the method, the number of shielding layers is not limited; the problem that shielding layers outnumber by eight with gradually increased metal wiring layers under modern components' technological conditions is solved; and LET value of heavy ion in a silicon material after passing through multilayer shielding can directly be obtained. As present mainstream semiconductor technologies are based on a silicon substrate, LET value in single event effect testing is LET value of heavy ion in silicon. By directly outputting the result, miscalculation of LET value by non-particle physics professional testers can be avoided, and accuracy of test parameters is guaranteed.

The invention discloses an inhibition method for power fluctuation peak of a tieline. The inhibition method is characterized in that the start time and the end time of emergency DC control and the emergent power modulation rate are set to realize inhibition for the power fluctuation peak of the tieline. The method comprises the steps of measuring the power fluctuation data of the tieline in real time; starting the emergency DC control in the case that the power value of the tieline exceeds a start threshold, and determining the corresponding emergency DC power modulation rate according to the power fluctuation slope of the tieline, so as to perform emergency DC control; ending the emergency DC control once the power of the tieline reaches the fluctuation peak, that is, zeroing the emergency DC power modulation quantity. The invention also discloses an inhibition method for the power fluctuation peak of the UHV tieline. With adoption of the method, the problem of excessively high power fluctuation peak of the UHV tieline caused by the transient power shock disturbance can be inhibited, and the transmission capacity of the UHV tieline and the transient stability of an inter-regional interconnection system can be effectively improved.

A synchronous lifting or lowering system with hydraulic cylinders controlled by parallel-connected lift valves having two fluid passages. Hydraulic fluid for extending or retracting the actuators is delivered by a hydraulic supply system alternating between the two passages. Each time the supply circuit alternates passages, a fixed volume of hydraulic fluid is transferred during lifting or received during lowering by the respective lift or lowering valves to or from the cylinders causing the rods to lift or lower a proportionate amount. All of the rods extend during advancement or retract during lowering by approximately the same increment each time the supply circuit alternates passages. Because the rods all extend or retract the same increment each cycle, the load is lifted or lowered evenly and the need for height sensors or transducers is eliminated.

The invention discloses a mounting structure of a machine tool centre and a centre shaft. A mounting portion on the right of the centre is sleeved into a mounting hole on the left of the centre shaft, the right of the centre is a Morse taper section, and the mounting hole on the left of the centre shaft is a Morse taper hole. A large-diameter section, a small-diameter section and a key tooth section are arranged in the middle of an axial body of the centre from left to right, key teeth are arranged on the external circular surface of the key tooth section, a check ring is sleeved in the middle of the centre, the right of an inner hole of the check ring is in clearance fit with the key tooth section of the centre, the left of the inner hole of the check ring I in clearance fit with the small-diameter section of the centre, key grooves are reserved at positions, corresponding to the key teeth on the key tooth section, on the left of the inner hole of the check ring, a stopper is formed between each two adjacent key grooves and clamped between the right end face of the small-diameter section and the corresponding key tooth on the key tooth section, a nut sleeve is sleeved outside the check ring, and the right of an inner hole of the nut sleeve is in threaded connection with the left of the external circular surface of the centre. The mounting structure is not only convenient for calibration of the centre but also capable of guaranteeing matching precision of the centre and the centre shaft, and is further convenient for mounting and demounting of the centre.

The invention discloses an automatic sorting method and a system. The automatic sorting method and the system are used for automatic unloading of cargos on a transportation unit at an unloading stall.The automatic sorting method comprises following steps: cargo information of the transportation unit is obtained; based on the acquired cargo information, the information of a pre-set stall is searched so as to obtain target unloading stall information corresponding to the cargo information, and the target unloading stall information is sent to the transportation unit; wireless communication between the transportation unit and the unloading stall is carried out through controlling to obtain the target unloading stall information and address information of a plurality of unloading stalls; andan executing mechanism is controlled to realize automatic unloading of the cargos at the target unloading stall when the acquired target unloading stall information is consist to the address information of the unloading stalls. The automatic sorting method is capable of realizing independent calculation and unloading of each transportation unit based on receive information, the unloading instructions are generated independently and are controlled, so that unloading efficiency is increased greatly, and system damage rate is reduced.

The invention discloses a method for determining multi-user precoding information, which includes the following steps: estimating the channel matrix Hk between the base station and the user UEk; according to the maximum signal-to-leakage-noise ratio criterion, repeatedly performing the following iterative process until two adjacent iterations are obtained The error between precoding matrices is less than the predetermined threshold: use Hk and the decoding matrix obtained in the previous iteration to obtain the current precoding matrix; use the precoding matrix obtained in this iteration to obtain the current decoding matrix; use the last iteration The obtained precoding matrix and decoding matrix are respectively used when the base station precodes the signal sent to the user UEk, and when the user UEk decodes the data. The present invention adopts the criterion of maximum signal-leakage-to-noise ratio and an iterative method to obtain the precoding matrix and decoding matrix used by the base station and users, thereby eliminating interference between users to a greater extent and making the number of antennas at the receiving and receiving ends unlimited.

The invention discloses a preparation device of a quasi-one-dimensional cold atom source. The quasi-one-dimensional cold atom source is prepared by mainly utilizing a diffuse reflection laser cooling atom technology; wherein the preparation device mainly comprises a vacuum cavity, an optical system and a cold atom density distribution measurement system. The outer surface of the vacuum cavity is covered with a transverse cylindrical quartz glass cavity which is made of a high-diffuse-reflection-rate material and is used for cooling laser required by atoms to be cooled; and the optical system mainly comprises cooling laser, re-pumping laser and detection laser; after the cooling laser and the re-pumping laser enter the vacuum cavity, an isotropic quasi-one-dimensional cooling light field is formed to carry out laser cooling on background atom gas in the isotropic quasi-one-dimensional cooling light field, and the detection laser carries out absorption method detection on cooled atoms. The cold atom density distribution measuring system mainly comprises a pair of movable Helmholtz coils, and the density distribution of cold atoms is measured by uniformly moving the coils along the detection direction. According to the invention, the preparation of the quasi-one-dimensional cold atom source with high optical thickness and uniform distribution is realized in the transverse vacuum cavity. Under the condition of a proper atom source and a proper laser system, quasi-one-dimensional alkali metal atoms such as lithium, sodium, potassium, rubidium and cesium and other atoms suitable for laser cooling, such as metastable inert gas atoms, can be cooled and stored.

The invention discloses a multi-channel fluorescence PCR (polymerase chain reaction) detection system and a multi-channel fluorescence detection method, which are suitable for detecting a PCR reaction system added with various fluorophores, and the detection system comprises more than two fluorescence detection modules, each fluorescence detection module comprises a light source, a lens, a first optical filter, a dichroscope, a light emitting window, a second optical filter and an imaging module, and the fluorescence detection modules are configured to move to the positions, opposite to the PCR reaction system, of the respective light emitting windows one by one under the driving of external force so as to obtain a complete image of the PCR reaction system of a channel corresponding to the fluorophore; different fluorescence detection modules are adaptive to different types of fluorophores; and first optical filters / second optical filters / dichroscopes in different fluorescence detection modules correspond to different first wave band ranges / second wave band ranges / band pass ranges. According to the invention, a plurality of fluorescence detection modules are arranged, and signals of fluorescence channels of all reaction chambers of a PCR reaction system are sequentially acquired one by one.

The invention discloses an inhibition method for power fluctuation peak of a tieline. The inhibition method is characterized in that the start time and the end time of emergency DC control and the emergent power modulation rate are set to realize inhibition for the power fluctuation peak of the tieline. The method comprises the steps of measuring the power fluctuation data of the tieline in real time; starting the emergency DC control in the case that the power value of the tieline exceeds a start threshold, and determining the corresponding emergency DC power modulation rate according to the power fluctuation slope of the tieline, so as to perform emergency DC control; ending the emergency DC control once the power of the tieline reaches the fluctuation peak, that is, zeroing the emergency DC power modulation quantity. The invention also discloses an inhibition method for the power fluctuation peak of the UHV tieline. With adoption of the method, the problem of excessively high power fluctuation peak of the UHV tieline caused by the transient power shock disturbance can be inhibited, and the transmission capacity of the UHV tieline and the transient stability of an inter-regional interconnection system can be effectively improved.

The invention relates to the field of power automation and discloses an intelligent component for intelligentization of primary equipment of an intelligent substation. The intelligent component comprises an intelligent terminal, a signal combining unit and intelligent measurement and control units. The signal combining unit and the intelligent measurement and control units respectively have two pairs of optical fiber transceivers. The signal combining unit is arranged in the intelligent terminal. The connection and the data transmission between the signal combining unit and the intelligent measurement and control units are realized through optical fibers. The intelligent component for the intelligentization of the primary equipment of the intelligent substation has the beneficial effects that since the optical fibers are used as a medium of communication between the signal combining unit and the intelligent measurement and control units, the interference caused by lightning and high-voltage equipment to signal transmission is effectively prevented; and since a redundant design of primary and auxiliary dual communication channels is adopted, the stability and the reliability of a system are greatly improved.

An electric micro paying method having fairness includes building a host hashing chain and a slave hashing chain having the same length can corresponding to and bound with each other by a user aiming at each shopper by using a strongly anti-impact one-way hashing function and two different random numbers, thereby forming an electric coin chain in which a pair of correspondent host and slave hashing values is used as one electric coin; and in trade, paying the salve half hashing value of the electric coin from a user to a shopper to order goods selected by the user, and paying the host half hashing value of the electric coin from the user to the shopper after the goods is received by the user. Paying amount between an accounting center and the user for the goods adopts the slave half hashing value of the electric coin received by the shopper, and paying amount between the accounting center and the shopper for the goods adopts the host half hashing value of the electric coin received by the shopper. The method can ensure fairness of payment and can pay different cost for goods and services based on sales prices, i.e. the invention has no limit on electric coins number in one trade of a user.

This invention discloses a multipoint voice communication method including: setting up connections among terminals having a same session, taking part terminals as the transfer ones and distributing non-transfer terminals to the transfer ones, when a terminal collects voice signals of its own users, it sends said voice signals to the transfer terminals, which sends said signals to all non-transfer terminals of its own. This invention also discloses a multipoint voice communication terminal including: a transfer terminal deciding module, a voice signal sending module and a voice signal receiving module.

The invention relates to the field of steel belt phosphorous removal equipment, in particular to a high-pressure phosphorous removal auxiliary device which comprises a phosphorous removing bin. Two vibrating rollers and two high-pressure removing devices close to the left end and the right end of the phosphorous removing bin are arranged in the phosphorous removing bin. Pressing roller sets are arranged on the two sides of each vibrating roller correspondingly. Abrasive cleaning rollers are arranged between two close pressing roller sets, and beside one pressing roller set close to the outlet end of the phosphorous removing bin. Each vibrating roller comprises an upper beam frame, a transferring cylinder, a planetary hollow roller and a variable frequency motor, wherein the top end of the upper beam frame is connected to the upper portion in the phosphorous removing bin in a shaft manner, the transferring cylinder is horizontally hinged into the free end of the upper beam frame, the planetary hollow roller is connected into the transferring cylinder in a shaft manner, at least one third portion of the outer side face of the planetary hollow roller is matched with the inner wall of the transferring cylinder in a friction manner, the variable frequency motor is arranged outside the transferring cylinder and connected with the planetary hollow roller in a transmission manner, and one supporting beam plate is arranged below each transferring cylinder. The high-pressure phosphorous removal auxiliary device can reduce the use cost of steel belt phosphorous removal substantially.

The invention provides multi-path parallel servo mechanism coordination controllers, which belongs to the technical field of electromechanical servo control. The coordination controllers comprises N-path position coordination controllers. Each position coordination controller includes a subtractor, a position controller, a speed command limiter, an error compensation controller and an adder. For the problem that the coordination control between multiple electromechanical servo mechanisms is difficult to ensure synchronization accuracy in the dynamic response process, the invention proposes a coordination control scheme which uses multi-path position control errors for compensation control. The response process of all electromechanical servo systems is consistent with a servo system with the slowest dynamic characteristics, so as to achieve high-precision coordination control of the dynamic response process of multiple electromechanical servo systems. The multi-path parallel servo mechanism coordination controllers which are provided by the invention have the advantages of simple idea, easy implementation, and easy control parameter debugging, and prevents the problem of difficult coordination control caused by limited control capabilities.