287results about How to "Guaranteed performance" patented technology

A digital group delay compensation system comprising a digital allpass filter that is utilized in an implementation phase; and a system that generates coefficients for the allpass filter used in the implementation phase such that the overall performance of a system is measured and optimized in a calibration phase.

The invention relates to preparing of aluminum alloy sectional bars, in particular to a preparing method for a 6-series aluminum alloy sectional bar. The extrusion technology sequentially comprises the steps of ingot selecting, ingot heating, extruding, roller bottom continuous solid solution quenching, tension leveling, finished product saw cutting, sampling, gaging, framing, artificial aging and packaging warehousing. The control process of the technology is finer, the aluminum alloy obtained through the extrusion procedure is good in mechanical performance, the uniformity of the sectional bar is good, and the aging production efficiency can be improved.

An embodiment of the specification relates to a transaction parallel execution method, an apparatus, an electronic device and a system, comprising: after a transaction in a block is distributed to a transaction execution module for parallel execution, a collision detection is performed on a transaction execution result, and then the transaction execution result is merged and output according to the collision detection result. Thus, the performance of the transaction parallel execution is improved and ensured, and the dependency problem of the transaction parallel in the block is solved. Meanwhile, the multi-core parallel execution and the distributed deployment parallel execution can be realized, and the parallelism and the scalability of the transaction execution in the block are effectively improved.

The invention discloses a coordinated multipoint data merging and receiving method used for an uplink CoMP scene, relating to an advanced long time evolution system (LTE-Advanced system) and a new technical point CoMP technology introduced into the LTE-Advanced system and mainly solving a problem concerning the multipoint uplink data reception in the CoMP scene which is different from a conventional cellular network. The method makes full use of the characteristics of CoMP uplink transmission and the separate data processing function of various dNode Bs, namely various coordinated cells conduct multipoint data reception and respectively demodulate the data. According to the verification of coordinated dNode Bs, master dNode Bs send corresponding signaling to the coordinated dNode Bs. The coordinated dNode Bs determine whether to transmit data to the master dNode Bs according to the signaling from the master dNode Bs. The master dNode Bs adopt an appropriate data transmitting and merging mode so as to reduce the transmission expenditure of an X2 interface and improve the uplink data transmission performance.

The present invention discloses a power control method comprising that: A. a special channel is arranged in the physical channel as the basic channel; B. the power of the basic channel is controlled and then the power value is obtained; C. based on the power value obtained in the step B, the powers of other channels in the physical channel are regulated. The method provided by the present invention realizes a complete power control plan in physical channel of HSUPA. In addition, the present invention also provides a power control device. With the method and the device provided by the present invention for power control, the special channel which has a large data flow is taken as the basic channel and the feedback efficiency of power control is promoted, the power control function is ensure; moreover, the use of HSUPA technology is guaranteed.

The invention provides an aluminum die-casting alloy for a digital electronic product, wherein the composition proportion (wt.%) of the alloy is 4.5-4.8 of Zn, 1.8-2.0 of Cu, 1.6-1.8 of Mg, 2.2-2.5 of Si, 0.05-0.1 of Zr, 0.4-0.6 of Ni, 0.5-1 of Ti and the balance of aluminum and inevitable impurities. Specifically, the aluminum alloy having excellent die-casting and anodic oxidation properties is obtained from simple alloy elements in an appropriate proportion, meanwhile, proper materials and a proper melting process are adopted, so that the property of the alloy is guaranteed, the optical anodic oxidation treatment process and parameters are chosen after die casting, and the aluminum die-casting alloy for the digital electronic product having excellent properties is obtained.

The invention belongs to the technical field of machinery manufacturing, and particularly relates to a controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount. The pretightening force adjustment of screw nuts is achieved through three pretightening force devices which are of the same structure and are evenly distributed between the two screw nuts, each pretightening force device can conduct pretightening on the two screw nuts through tightening the nuts to press a spring, and the magnitude of the pretightening force can be measured in real time through a pull pressure sensor, so that the controllable adjustment of the pretightening force of the screw nuts can be achieved; the ball screw pretensioning is achieved by the method that tensile force is imposed to a separated mobile platform to drive a ball screw fixing supporting seat to move, and thus drawing force is generated to the ball screw, the pretensioning amount is measured through a dial indicator fixed to the end of the screw, and the magnitude of the drawing force is measured in real time through two pull pressure sensors fixed on the side face of the mobile platform.

The invention discloses a transmitting method of upward control report in the Jupiter passive optical network system, which is characterized by the following: the optical network terminal (ONT) transmits the business flow of the user to the optical line terminal (OLT), which classifies the business flow on the ONT; the control report and data report is punched by GEM Port-Ids to be transported separately, which have high precedence of the control report to process in the transmitting course. The invention makes the control report transported timely, which ensures the service quality of control report.

The embodiment of the invention relates to a radio communication technology, in particular to a method, a system and a device for allocating logical channel identifiers (LCID) and determining logical channels, which are used for making the LCIDs as long as a long term evolution (LTE) system capable of identifying the logical channels more than the logical channels identified by the LTE system. The method provided by the embodiment of the invention comprises the following steps that: a node B (NB) divides the logical channels corresponding to a plurality of radio bearers (RB) corresponding to relay node (RN) equipment into two groups, allocates different logical channel group identifiers to each group, and allocates the LCIDs to the logical channels corresponding to each of the plurality of RBs corresponding to the each group, wherein the LCIDs of the logical channel corresponding to the each RB in the same group are different; the NB establishes a correspondence relationship between an RB identifier and a logical signal identifier, wherein the logical channel identifier includes the LCIDs and the logical channel group identifiers; and the NB informs the RN equipment of the correspondence relationship. By the method provided by the embodiment of the invention, the performance of a changed system architecture can be guaranteed.

The present invention relates to a kind of low-temp. sintered mullite kiln furniture, belonging to refractory material product. It is characterized by that it uses mullite granules and fine powder asmain material, its composition also contains amorphous alumina and superfine quartz powder, and the described amorphous alumina is obtained by using industrial aluminium hydroxide through the processes of suspension heating to 650 deg.C, dewatering and air quenching, and the described superfine quartz powder is obtained by using quartz sand through the process of pneumatic vibration grinding. Said invention utilizes the raise of activity of forming mullite component to reduce firing temp. and ensure the service performance of mullite kiln furniture.

The invention provides a synchronization device for source data and target data and a database synchronization method and system. Through monitoring source tables in source database, the source unique index of the source data in the source table based on the operation of the data manipulation language is added to the intermediate table corresponding to the source table; after satisfying the synchronization conditions, relevant source data to be synchronized in the source table is searched based on the source unique index recorded in the intermediate table and a synchronization message carrying the source unique index is sent to a target in the target library corresponding to the source table; searching and synchronization are carried out in the target table according to the synchronization message. The synchronization process does not need to be done in archive mode, which guarantees the performance of database and saves disk space.

The invention relates to a surface modified solid particle, which comprises wall material and core material, wherein, the wall material is uramido compound generated from the reaction of diisocyanate and organic amine; the core material is solid additive powder; the weight proportion of the wall material and the core material is 0.1:1- 10:1; the diameter of the solid particle is 0.2-5 Mum. Surface modification processing for the solid additive powder is carried out in the invention to lead the proportion thereof to be lightened and the color to be whitened, without changing the inherent performance of the solid additive powder. The modified solid additive powder is used for lubricating grease, which can keep not only the inherent efficacy of the additive, but also the color of the lubricating grease.

The invention discloses variable diameter rotary body fabric needling molding equipment which comprises a rack, a needling mechanism, a pressure feedback and adjusting device, a mold rotation mechanism and a mold lifting mechanism, wherein the needling mechanism, the mold rotation mechanism and the mold lifting mechanism are arranged in sequence from top to bottom; the needling mechanism and the mold lifting mechanism are both arranged on the rack; the mold rotation mechanism is arranged on the mold lifting mechanism and lifted and descended under the driving of the mold lifting mechanism; the pressure feedback and adjusting device is arranged on the needling mechanism. By adopting the variable diameter rotary body fabric needling molding equipment disclosed by the invention, quasi-three dimensional prefabricated body production of a needled fiber multi-layer variable diameter rotary body is achieved, the problems that a conventional operation process is low in production efficiency, high in cost, poor in product quality stability and the like can be solved, on-line pressure monitoring and adjustment of a stripper plate are achieved through the pressure feedback and adjusting device, the density of a needled product is effectively controlled, and high-precision needling molding is achieved; the variable diameter rotary body fabric needling molding equipment is simple in structure, convenient to operate and applicable to industrial production.

The invention discloses a nanocrystalline soft magnetic composite material and a preparation method thereof. The nanocrystalline soft magnetic composite material is characterized in that iron-based nanocrystalline alloy is used as the alloy component; the alloy structure as shown in a form of atomic ratio meets the formula that Fe (100-a-b-c-d) (lower coordinate)Cu(a) (lower coordinate)T(b) (lower coordinate)M(c) (lower coordinate)D(d) (lower coordinate), wherein a ranges from 1 to 3, b ranges from 15 to 25, c ranges from 1 to 5, d is more than 0 and not greater than 3, T is one or more of Si, B or C, M is one or more of Nb or P, and D is one or more of rare earth elements. The preparation method comprises the steps of smelting alloy, atomizing to prepare powder, passivating, pressing and molding, thermally processing and curing. According to the preparation method of the nanocrystalline soft magnetic composite material, the atomized spherical powder is passivated through phosphoric acid to form an uniform insulating wrapping layer, and the non-crystalline is converted into nanocrystalline during annealing; the obtained nanocrystalline soft magnetic composite material is high in magnetic conductivity, small in loss, and outstanding in DC bias characteristics.

The invention discloses a balanced image clustering method based on hierarchical clustering. According to high dimensional feature data of apparel goods images, clusters with balanced sizes are obtained by a method based on hierarchical clustering, and the quantity of data in a single cluster does not exceed a limited threshold value. When in retrieval, after distances among retrieved data and all clustering centers are computed, a plurality of the nearest clusters are selected, and the data are accessed inside the clusters to obtain final research results. Compared with a universal indexing method based on clustering, the method avoids the problem of overlarge accessed data volume when the retrieved data are in large clusters, and ensures research performances. Besides, by accessing a plurality of clusters, the research results and SSA (serial storage architecture) research results have a higher overlap ratio, and research effects are improved.

The invention discloses a cloud server system. The cloud server system comprises a plurality of MR-IOV PCIE (multiple root-input and output virtualization peripheral component interconnect express)switches, wherein the plurality of the MR-IOV PCIE switches are connected with one another. The cloud server system based on the MR-IOV PCIE switches can structurally meet design demands of a cloud server well, and in other words, the cloud server system is strong in performance consumption rate and overall service ability, low in cost, low in power consumption and high in efficiency. The cloud server system can structurally achieve I/O virtualization, and guarantees performance of the server to the utmost.

The invention relates to a surface-coated positive electrode material and a preparation method and application thereof. The surface-coated positive electrode material comprises a substrate and a coating layer covering the substrate, wherein the substrate is a positive electrode material, and the composition of the coating layer contains aluminum metaphosphate. The surface-coated positive electrodematerial adopts aluminum metaphosphate to form the coating layer, so that the cycle performance of the positive electrode material of a lithium-ion battery, especially the high-temperature cycle performance can be effectively improved.

The invention discloses a video enhancing method based on video frame self-adaption. The method comprises video frame self-adaption parameter adjustment and video frame enhancing processing. The invention also discloses a video enhancing system. The system comprises a parameter adjusting module and an enhancing processing module. According to the video frame self-adaptive video enhancing method based on an airspace point algorithm and the video enhancing system built based on the method, through starting from a performance and a video continuous frame enhancement flexibility, the performance is ensured; moreover, adjusting parameters are selected according to the video contents self-adaptively; the problem of video frame distortion resulting from excessively improving too dark images or excessively reducing too bright images by directly using conventional methods such as histogram equal saturability enhancing is solved; the enhancing of the processed video under various environments such as indoor, outdoor, low illumination and high illumination environments, is more flexible; and compared with the original video, the processed video is more clear in detail and more abundant in contrast and saturability and has better eye watching feelings.

The embodiment of the invention discloses a user choosing method, a device and a system. The method comprise the following steps: codebooks grouped by the orthogonality principle are respectively stored at a base station side and a user terminal side; the user terminal estimates a channel, chooses a codebook according to channel estimating information, and feeds back the channel estimating information and chosen codebook information to the base station; the base station groups the user terminal according to the codebook grouping situation and feedback codebook information of the user terminal; a user group is chosen according to the feedback channel estimating information of the user terminal; a user is chosen from the chosen user group according to the channel estimating information of each user in the user group. The base station comprises a storing module, a user grouping module, a user group choosing module and a user choosing module. The system comprises a user terminal and a base station. Under the condition of ensuring system performance, the invention can lower the complexity in user choosing.

The invention relates to a heat treatment process for a 65Mn spring washer. The heat treatment process comprises the following steps: blanking; electric spark perforation of basic bores; linear cutting and forming; correction by a fitter; heat treatment; performance test; and surface treatment; wherein during quenching in the step of heat treatment, firstly, the 65Mn spring washer is subjected to preheating which means the 65Mn spring washer is put into a quenching tool heated in advance, then a quenching furnace is heated, charcoal is added into the quenching furnace, the quenching tool is placed into the quenching furnace with a temperature maintained to be constant, then the quenching tool is taken out, the 65Mn spring washer is put into the quenching tool, quenching is carried out immediately after thermal insulation, and the surface of the 65Mn spring washer is coated with an anti-oxidation decarburization paint before the 65Mn spring washer is placed into the quenching tool. According to the invention, the charcoal is added into the quenching furnace for generation of protective gas, the anti-oxidation decarburization paint is coated on the surface of the spring washer for prevention of oxidation and decarburization, so desired performances of the spring washer are guaranteed.

The invention discloses a vehicle accumulator monitoring method and a system. The method comprises the steps of: (A) entering a step B if a remote control locking signal is not received within 20 seconds after an engine is stopped; and entering a step C if the remote control locking signal is received; (B) detecting the self-discharge current of an accumulator in 10 seconds of receiving the remote control locking signal; and warning in a wireless manner if the self-discharge current is greater than a current threshold; (C) detecting the voltage of the accumulator; entering a step D if the voltage of the accumulator is lower than a lower limit of the voltage; and finishing the flow if the voltage of the accumulator is higher than or equal to the lower limit of the voltage; and (D) detecting if a driver is in a vehicle by an in-place detector, blinking to warn through an electricity-deficient warning lamp if the driver is in the vehicle, and warning in a wireless manner if the driver is not in the vehicle. The method prompts the driver to timely treat faults to prevent the incapability of vehicle starting caused by high-current self-discharge for a long time. The method is suitable for all vehicle accumulators.

The invention provides a backlight module and a display module. The display module comprises a display panel and a backlight module, wherein the backlight module comprises a plurality of optical membranes, a plastic frame accommodating and fixing the plurality of optical membranes, a reflective sheet and a back panel; the back panel comprises a side plate and a bottom edge vertical to the side plate; the middle of the bottom edge is hollow; the reflective sheet and the plastic frame are fixed and cemented; the reflective sheet supports the plurality of optical membranes and the plastic frame all positioned above the reflective sheet, and comprises an extending part; and the extending part and the bottom edge are positioned on the same horizontal plane. According to the invention, the structure of the back panel is changed, the thickness of the plastic frame positioned above the bottom edge is reduced, and the thickness of the backlight module is effectively reduced while the performance and strength of the backlight module are guaranteed, so that the display module is lightened and thinned.

The invention discloses a single instruction multiple data (SIMD) vector processor supporting fast Fourier transform (FFT) acceleration, which comprises a control unit, a calculation unit, a storage subsystem, a storage weaving unit and an address generation unit. The calculation unit supports quick processing of various vector calculations. The storage subsystem comprises three storage groups. Each storage group comprises four storage bodies, the bit wide of a single storage body in each storage group is a plural character, and the storage groups support plural vector calculation with concurrent four-way data and real number vector calculation with concurrent eight-way data. The calculation unit, the address generation unit and the storage weaving unit are connected with the control unit. The address generation unit generates required operand address sequence, coefficient address sequence and result address sequence. The storage weaving unit and the address generation unit are connected with the calculation unit to achieve address mapping of the storage bodies. The acceleration efficiency of the SIMD vector processor to FFT/ inverse fast Fourier transform (IFFT) calculation corresponds to a special hardware accelerator. The SIMD vector processor avoids huge extra pay expenses brought by use of the special hardware accelerator, and is suitable for being used in a real-time signal processing system with a large amount of long vector calculation.

The invention relates to a porous carbon load platinum-cerium oxide catalyst for fuel cells and a preparation method. A carrier of the invention is porous carbon, and a catalyst active component is platinum-cerium oxide, wherein, the cerium-oxide amounts to 5-15% of the weight of the porous carbon cerium oxide; the platinum load is 20-30%. The porous carbon load platinum-cerium oxide composite catalyst exhibits more excellent antitoxic performance than general Vulcan XC-72 carbon load platinum catalyst, and can be applied to proton exchange membrane fuel cells which need to enhance antitoxic performance and direct methanol fuel cells.

The invention discloses an EGR cooler cleaning method and cleaning apparatus. The cleaning method comprises the following steps of building an activation condition for EGR cooler cleaning, injecting high pressure air into the EGR cooler upon activation condition establishment to clean the EGR cooler. Substance such as carbon deposit and acid liquor are blown away via the high pressure airflows, so carbon deposit and corrosion can be prevented and performance of the EGR cooler can be ensured; and compared with the prior art, with material improvements and DOC arrangement, cost can be remained the same or reduced.

The embodiment of the invention relates to a wireless communication technology, in particular to a survey information configuration method and system and a base station, which are used for solving the problem that a network side in the prior art can not carry out correct survey configuration on an HeNB (Home enhanced Node B) with a changed frequency point so that the inbound handover property is influenced. The method provided by the embodiment of the invention comprises the following steps: the base station determines frequency points, corresponding to an ECGI (E-UTRAN (Evolved Universal Terrestrial Radio Access Network) Cell Global Identifier), from a user terminal on the basis of the corresponding relationship between an updated ECGI and the frequency points, wherein the corresponding relationship between the updated ECGI and the frequency points is that the ECGI corresponds to the current frequency point of a femtocell; and the base station searches frequency points of the survey information which are not configured for the user terminal, from the determined frequency points and configures the survey information of the searched frequency points for the user terminal. By adopting the method provided by the embodiment of the invention, the accuracy of survey configuration for the HeNB with a changed frequency point can be improved, and the property of UE (User Equipment) forcarrying out inbound handover can be guaranteed.

The invention relates to inorganic boron high-temperature delayed fracturing fluid. A base fluid system is prepared from the following components in part by weight: 96.5 to 97.9 parts of water, 0.35 to 0.4 part of guar gum and derivatives thereof, 0.1 to 1.0 part of sodium hydroxide and sodium thiosulfate composite, 0.5 part of hydrocarbon emulsifier, alkane sulfonate emulsifier or alkyl sulfate emulsifier, 1.0 part of material consisting of a single component or multiple components including KCl, NH4Cl and cationic quaternary ammonium salt polymer, 0.1 part of formaldehyde, glutaraldehyde ordodecyl benzyl ammonium chloride and 0.05 to 0.5 part of mixture of glycol and sodium hydroxide. The inorganic boron high-temperature delayed fracturing fluid is prepared from 100 parts of the base fluid system and 0.7 to 1.0 part of an inorganic boron compound and borax/boric acid composite added with sodium hydroxide for regulating pH value to greater than 7. The concentration of the guar gum and the concentration of the derivatives of the guar gum are reduced, the broken gum residue is reduced, and thus, the damage of the fracturing fluid to propping fractures and reservoir strata are relieved.

The invention relates to a closed section column connecting structure and method. The connecting structure comprises a first column body, a second column body and a core tube. A first flange plate isarranged on at least one end face of the first column body, and a second flange plate is arranged on at least one end face of the second column body. The first flange plate and the second flange platecan be fixedly connected through bolts. One or more plug welding holes are formed in the column wall, close to the first flange plate, of the first column body and the column wall, close to the second flange plate, of the second column body correspondingly, and the core tube can be arranged in the first column body and the second column body in a penetrating manner and can be connected with the first column body and the second column body through a plug welding process via the plug welding holes. Industrial production is facilitated through the flange plates and the core tube, the core tube and the column walls are connected through plug welding, the performance of the connecting structure is guaranteed, efficient assembly is achieved, welding is reduced, and the construction progress iseffectively accelerated; and the requirements of the machining precision of the core tube and the column walls are lowered through the plug welding holes.

The invention discloses a three-dimensional photoelectric integrated structure and a preparation method thereof. The three-dimensional photoelectric integrated structure comprises a photoelectronic chip, a rewiring medium, an electronic device, a substrate and an optical fiber, wherein the rewiring medium is fixed on the substrate through solder balls; and the optical fiber is coupled to the electronic device. A plurality of medium layers are arranged; interconnection metal wires are arranged in the medium layers; a mature rewiring technology is adopted; the process is simple; lead-out of input and output interfaces is achieved; and the input and output interfaces can be flexibly distributed according to the subsequent integration requirements, so that interlayer interconnection is achieved; a through-silicon via technology is avoided; and the performance of a photon chip is ensured. In addition, photoelectronic devices are arranged at the same side of interconnected medium and a base; and the photoelectronic devices are interconnected in a back-off manner, so that the transmission rate is improved; and the heat dissipation effect is improved.

The present invention provides a communication method, a communication device for a dual-SIM card-dual-call (DSDC) terminal, and the DSDC terminal. The DSDC terminal includes a first radio frequency subsystem for initiating Packet Switching (PS) service and a second radio frequency subsystem for initiating Circuit Switching (CS) service. The communication method comprises controlling transmission power for the PS service of the first radio frequency subsystem under a predetermined value during a reception timeslot for the CS service of the second radio frequency subsystem. According to the present invention, it is able to overcome the interference between two radio frequency subsystems of the DSDC terminal.