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Data transmission method, device and system
PendingCN121864254AEnsure DC balanceIt is guaranteed that the frame synchronization symbol can meet the DC balanceTransmission format adaptationTransmission rate adaptationCarrier signalData transmission
The embodiment of the invention discloses a data transmission method, a data transmission device and a data transmission system, which can be compatible with the existing 400ZR +, 800ZR and 800ZR + DSP (Digital Signal Processor) framing scheme, are more beneficial to hardware implementation, and can also be suitable for scenes adopting multi-wave or multi-subcarrier transmission in the future, such as 800Gbps multi-subcarrier transmission adopting QPSK (Quadrature Phase Shift Keying) modulation, 1.2 Tbps multi-subcarrier transmission adopting 16QAM (Quadrature Amplitude Modulation) modulation and 1.6 Tbps multi-subcarrier transmission adopting 16QAM modulation. And even transmission scenes with higher speed such as 2.4 T / 3.2 T and the like can be realized. The method comprises the steps that W data frames are sent, in one polarization direction, the number of symbols included in any data frame is 87552, each data frame comprises 12 subframes, the number of symbols included in each subframe is 7296, and W is an even number.
Owner:HUAWEI TECH CO LTD
Time division duplex based semantic data transmission method and related device
The present disclosure provides a time division duplex based semantic data transmission method and related equipment. The method comprises: a base station modulating and processing first user data corresponding to semantic data to obtain a first modulation sequence; the base station determining a first number of time-frequency resource blocks required for mapping the first modulation sequence to a first time-frequency resource; the base station judging whether the mapping of the first modulation sequence to the first time-frequency resource spans a time slot to obtain a first time slot span judgment result; the base station mapping the first modulation sequence to a first time-frequency resource with a first number of time-frequency resource blocks based on the first time slot span judgment result to obtain a first time-frequency signal, and sending the first time-frequency signal to a user terminal through a downlink; and the user terminal mapping the second modulation sequence to a second time-frequency resource with a second number of time-frequency resource blocks based on a second time slot span judgment result to obtain a second time-frequency signal, and sending the second time-frequency signal to the base station through an uplink.
Owner:BEIJING UNIV OF POSTS & TELECOMM
A battery welding fixture
The utility model relates to battery technical field, specifically provide a kind of battery welding fixture, including first clamping component and second clamping component, first clamping component includes the first datum and first clamping piece oppositely arranged along first clamping direction, first clamping piece can move along first clamping direction, and first datum is fixedly arranged;Second clamping component includes the second datum and second clamping piece oppositely arranged along second clamping direction, and second clamping piece can move along second clamping direction, and second datum is fixedly arranged;Wherein, first datum and first clamping piece include first clamping seat and first abutting piece;The first abutting piece of first datum is located between second datum and second clamping piece;First abutting piece includes two press-mounting components, and at least one press-mounting component in two press-mounting components is movably arranged in first clamping seat along second clamping direction.The utility model effectively improves the overall dimensional compatibility and clamping stability.
Owner:JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD
A lithium ion battery and a preparation method thereof
ActiveCN122091694Bfill market gapperfectly compatible
The application belongs to the technical field of electrochemical energy storage technology, and particularly relates to a lithium ion battery and a preparation method thereof. The lithium ion battery comprises a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte; the positive electrode comprises a positive electrode active material lithium iron phosphate; and the negative electrode comprises a negative electrode active material polyacrylonitrile sulfide. The positive electrode of the application adopts the extremely stable olivine-type LiFePO4, and has good thermal stability and is not easy to release oxygen at overcharge or high temperature; the negative electrode adopts SPAN, and the sulfur element exists in the form of a covalent bond, thereby avoiding the shuttling of soluble polysulfides in traditional lithium-sulfur batteries and the safety risks caused thereby, and the whole battery system does not use a metal lithium negative electrode, thereby fundamentally eliminating the short circuit hidden danger caused by lithium dendrite growth. In addition, through unique matching of the positive and negative electrode materials, a working voltage of about 1.2V is successfully achieved, thereby filling the market gap of high-performance 1.2V rechargeable lithium ion batteries.
Owner:NANCHANG UNIV
Voltage regulating circuit and switching power supply
The utility model discloses a kind of voltage regulating circuit and switching power supply, voltage regulating circuit includes: signal preprocessing circuit, its input end is used to input first control signal, signal preprocessing circuit is used to output second control signal after filtering and anti-interference processing to first control signal;Signal amplification circuit, the output end of signal preprocessing circuit is connected, signal amplification circuit is used to output third control signal after amplification processing to second control signal;Signal feedback circuit, its first input end connects the output end of signal amplification circuit, second input end is used to input reference voltage, signal feedback circuit is used to output fourth control signal after comparing processing to third control signal and reference voltage, fourth control signal is used to connect to the cathode of photocoupler U1 emission end diode, the output voltage of the switching power supply is adjusted by control loop.The utility model can improve the operability of customer to power supply.
Owner:GUANGZHOU XUZHIYUAN TECHNOLOGY CO LTD
Head-mounted device compatible with battery cap and lamp holder
ActiveCN224188578Umeet lighting requirementsMeeting Lighting NeedsElectric circuit arrangementsLighting elementsComputer hardwareElectrical battery
Owner:YANTAI QICHUANG INTELLIGENT SOFTWARE TECHNOLOGY CO LTD
A RAN Customized Slicing Management System and Method
ActiveCN120916211Bperfectly compatibleAchieve real-time fine controlNetwork traffic/resource management
The first aspect of this invention discloses a RAN customized slice management system, characterized by comprising a model training module, a control inference agent module, and a slice real-time dynamic controller, respectively deployed in a non-real-time RIC control layer, a near-real-time RIC control layer, and a real-time RIC control layer. The second aspect of this invention provides a RAN customized slice management method. This invention addresses the challenges of new applications requiring SLA customized service assurance in open radio access network architectures. It introduces parametric / model predictive control theory and machine learning theory, proposing a CSM method and system with SLA assurance. In this invention, the CSM employs a three-layer collaborative intelligent controller (RIC) based on a secure learning model. The optimization strategy generated by the RIC is used to optimize the control parameters of the RIC, jointly achieving refined secure closed-loop control of intelligent slice management to obtain QoS / QoE performance optimization under SLA security assurance and improve SLA satisfaction.
Owner:DONGHUA UNIV
Air duct structure and washing electric appliance
ActiveCN224140761Uimprove bindingeasy to integrateTableware washing/rinsing machine detailsElectrical equipment
The utility model discloses an air duct structure and a washing electric appliance, the washing electric appliance comprises an inner container, the air duct structure comprises an air inlet assembly, the air inlet assembly communicates with the inner container, the air inlet assembly comprises an air inlet part, a connecting part and a ventilation pipe which are connected in sequence, and the two ends of the connecting part are detachably connected with the air inlet part and the ventilation pipe correspondingly; the air inlet part is connected with the top wall of an inner container of the washing electric appliance, the ventilation pipe is arranged on the side wall of the inner container, the connecting part is an elastic piece, the air inlet part is provided with a fan, and the connecting part is arranged adjacent to the fan. Thus, the air inlet part and the ventilation pipe can be simply and rapidly connected through the connecting part, the air inlet part is connected with the top wall of the inner container of the washing electric appliance, the ventilation pipe is arranged on the side wall of the inner container, and the installation convenience and the assembly efficiency are improved while the sealing reliability is guaranteed. In addition, the air inlet assembly is of a multi-section structure, parts with different functions are convenient to disassemble and compatible, and the integration performance of the air duct structure is improved.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING CO LTD +1
Novel special-shaped externally-hung wallboard mold
ActiveCN224213698URealize the clamping effectperfectly compatibleCovering/liningsWallsScrew threadThreaded rod
The utility model discloses a novel special-shaped externally-hung wallboard mold which comprises a main wall, a baffle is fixedly connected to the lower portion of the main wall, a lower interlayer is fixedly connected to the upper portion of the baffle, a fixing block is fixedly connected to the outer side of the lower interlayer, a sliding groove is formed in the fixing block, a threaded rod is rotationally connected to the interior of the sliding groove, and the threaded rod is fixedly connected to the lower portion of the main wall. The screw rod is in threaded fit connection with a sliding block, the sliding block is connected into the sliding groove, the rear end of the sliding block is fixedly connected with an upper interlayer, the two ends of the upper interlayer are in sliding connection with sliding rods, the lower ends of the sliding rods are fixedly connected with a lower interlayer, and the inner ends of the upper interlayer and the lower interlayer are in sliding connection with an outer-layer wall body. And the sliding block drives the upper interlayer to slide up and down along the sliding rod on the screw rod along the sliding groove, so that the outer wall is limited and dispersed, rapid mounting and dismounting of the externally-hung wall are achieved, and the overall working efficiency is improved.
Owner:JINQIANG (FUJIAN) GREEN HABITAT GRP CO LTD
Frequency Division Duplex-Based Semantic Data Transmission Method and Related Equipment
ActiveCN117856881BImprove transmission efficiencyperfectly compatibleRadio transmission for post communicationData transmissionFrequency division duplexing
This disclosure provides a semantic data transmission method and related equipment based on frequency division duplex (FDM). The method includes: a base station modulating first user data corresponding to semantic data to obtain a first modulation sequence; the base station determining a first target combination method of the first modulation sequence based on the semantic type of the semantic data; the base station performing time-frequency resource mapping processing on the first modulation sequence based on the first target combination method to obtain a first time-frequency signal, and transmitting the first time-frequency signal to a user terminal via a downlink; the user terminal modulating second user data corresponding to the semantic data to obtain a second modulation sequence; the user terminal determining a second target combination method of the second modulation sequence based on the semantic type of the semantic domain information; the user terminal performing time-frequency resource mapping processing on the second modulation sequence based on the second target combination method to obtain a second time-frequency signal, and transmitting the second time-frequency signal to the base station via an uplink.
Owner:BEIJING UNIV OF POSTS & TELECOMM
A lithium ion battery and a preparation method thereof
PendingCN122091694Afill market gapperfectly compatibleCell electrodesFinal product manufactureMetallic lithiumElectrical battery
This application belongs to the field of electrochemical energy storage technology, specifically relating to a lithium-ion battery and its preparation method. The lithium-ion battery includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte; the positive electrode includes lithium iron phosphate as the positive active material; the negative electrode includes sulfided polyacrylonitrile as the negative active material. The positive electrode of this invention uses olivine-type LiFePO4, which has an extremely stable structure, good thermal stability, and is not prone to releasing oxygen under overcharging or high temperatures; the negative electrode uses SPAN, where sulfur exists in a covalent bond form, avoiding the shuttle of soluble polysulfides and the resulting safety risks in traditional lithium-sulfur batteries. The entire battery system does not use a metallic lithium negative electrode, fundamentally eliminating the short-circuit hazard caused by lithium dendrite growth. Furthermore, through unique matching of positive and negative electrode materials, a working voltage of approximately 1.2V has been successfully achieved, filling the market gap for high-performance 1.2V rechargeable lithium-ion batteries.
Owner:NANCHANG UNIV
A method, system, apparatus, and storage medium for determining that a water soluble paper plug caused a boiler tube explosion
ActiveCN117889430Bquick judgmentAccurate judgmentBoiler indication operationsSteam boilers componentsForeign matterThermodynamics
The application discloses a kind of methods, systems, devices and storage medium for determining that water-soluble paper blockage causes boiler tube burst, belong to boiler operation and maintenance technical field.Get the start-stop time of unit before boiler tube burst, and judge whether the time interval from the last unit startup and grid connection when tube burst occurs is less than the preset time;Get the last unit shutdown maintenance project, and judge whether the pipe ring that occurs tube burst has been subjected to pipe cutting and welding operation;Get the on-site image information of boiler tube burst, and judge whether the failure mode is short-time overheating tube burst.If the above determination results are all yes, then determine that boiler tube burst is caused by water-soluble paper blockage;If no, then it cannot be determined that boiler tube burst is caused by water-soluble paper blockage.The application can quickly and accurately determine whether tube burst is caused by water-soluble paper as foreign matter blocking boiler pipe, thereby winning valuable time for unit rapid repair, and avoiding the recurrence of similar accidents.
Owner:XIAN THERMAL POWER RES INST CO LTD
Payment capability expansion processing method, device and equipment
PendingCN121961550AReliable payment method serviceEasy to passPoint-of-sale network systemsComputer hardwarePayment
The invention discloses a payment capability expansion processing method, device and equipment, which are applied to external payment equipment configured for a cash register, and the external payment equipment provides at least one expansion payment mode which is not possessed by the cash register. The method comprises the steps that multiple sets of HID analog input data are sent to the cash register through an HID protocol, each set of HID analog input data adopts different HID sending intervals, and the HID sending intervals specify the sending intervals between unit data contained in the corresponding set of HID analog input data; detecting whether the cash register successfully receives the analog input data; determining at least one group of successfully received HID analog input data according to a detection result; and correspondingly setting the HID sending interval of the external payment equipment according to the HID sending interval corresponding to the at least one group of HID analog input data, so as to carry out extended payment mode service interaction with the cash register.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
An automated prospective validation system based on full system full data volume comparison
ActiveCN116244197Bsave resourcesshorten the timeError detection/correctionEnergy efficient computingInternal memorySoftware engineering
The application discloses an automatic expected check system based on full-system full-data volume comparison, which comprises a graphical interface, a calculation server, an information input module, a connectivity test module, a comparison preparation module, an internal memory comparison module, an SQL comparison module and an Excel output module. In view of the problem of incomplete expected check, the automatic expected check system can perform data check based on the whole database of a measured system, and the data check is refined to each field of each table. For a process of a measured system run by a set of interface automatic cases, the method can directly observe all influences on the measured system data after the execution of the interfaces.
Owner:HANGZHOU RONGXUAN TECH CO LTD
Multi-scene adaptive portable martial art training device
The utility model discloses a multi-scene adaptive portable martial art training device, which relates to the technical field of martial art training, and comprises a base, a conveniently detached unit is arranged on the top surface of the base, a multi-scene unit is arranged on the bottom surface of the base, and a training unit is arranged on the top surface of the conveniently detached unit. The training unit is internally provided with a storage unit, the multi-scene unit comprises a fixing frame, the fixing frame is fixedly connected to the bottom side of the base, the interior of the fixing frame is in threaded connection with a threaded ground nail, the interior of the fixing frame is in threaded connection with a threaded rod, and one end of the threaded rod is rotationally connected with a universal wheel. Through the arrangement of the fixing frame, the device can be conveniently used on sand and grassland, the stability of the device is improved, through the arrangement of the threaded rods and the universal wheels, the effect of conveniently moving the device body is achieved, meanwhile, through the arrangement of the rubber suction cups, compatibility of a floor and a tile floor is facilitated, and the practicability is high. And the application scene of the device is further improved.
Owner:洪永帅
HID filament lamp compatible with inductive ballast
ActiveCN224249861Uperfectly compatiblereduce output voltageElectrical apparatusElectric lighting sourcesElectrical ballastConstant power
The utility model discloses an HID filament lamp compatible with an inductive ballast, which comprises a driving circuit and a filament lamp bulb light bar, and is characterized in that the driving circuit comprises an input protection unit for overcurrent protection and is connected with the inductive ballast; the pre-stage resistance-capacitance voltage reduction unit is connected with the inductive ballast and is used for receiving the output constant power of the inductive ballast and adjusting the output constant power to reduce the voltage and the current; the filtering unit is connected between the output end of the input protection unit and the input end of the pre-stage resistance-capacitance voltage reduction unit and is used for inhibiting electromagnetic interference; the rear-stage voltage doubling rectifying unit is connected with the output end of the input protection unit and the output end of the front-stage resistance-capacitance voltage reduction unit and used for boosting voltage so as to reduce front-stage energy efficiency loss, and a filament lamp bulb light bar is connected to the output end of the rear-stage voltage doubling rectifying unit; the output discharging unit is connected in parallel with the output end of the rear-stage voltage doubling rectifying unit and is used for balancing the discharging current; the utility model has the advantages of realizing perfect compatibility with North America inductance ballasts, improving the energy efficiency and reducing the cost.
Owner:HARMONY MINGXIN (YIWU) OPTOELECTRONICS TECH CO LTD
Back chair
ActiveCN224112344UImprove functionalityAvoid affecting the range of the back protectorStoolsAdjustable chairsBack supportReclining chair
The utility model provides a backrest chair. The backrest chair comprises a supporting piece, a hip pad, a waist pad and a controller, the supporting piece comprises a first supporting part and a second supporting part, and the first supporting part and the second supporting part are of an integrated structure; the hip pad is connected to the first supporting part and can be flexibly attached to the hip of the user; the back protection pad is connected to the second supporting part and can support the back of the user; the back protection pad is connected with a plurality of functional parts, and the functional parts are at least one of a vibration motor, an electric heating part and a red light part; the functional parts are connected to the same back protection pad, so that the supporting part is compatible with hip protection and back protection, and the functional effect of the backrest chair is improved. The controller is arranged on the rear side wall of the second supporting part; the conductive part is arranged between the controller and the functional part, the conductive part extends to the controller from the functional part and penetrates through the second supporting part in the front-back direction, and the controller utilizes the rear side space of the second supporting part, so that the influence on the back protection range of the back protection cushion of the backrest chair is avoided.
Owner:SHENZHEN DONGBA IND CO LTD
Monolithic integrated GaN HEMT and Si MOS double-gate bidirectional switch cascode and preparation method thereof
PendingCN122002893AZero static power consumptionreduce connectivityElectronic switchingMetal interconnectPerformance enhancement
The invention discloses a monolithic integrated GaN HEMT and Si MOS double-gate bidirectional switch cascode and a preparation method thereof, and relates to the technical field of semiconductors, the structure comprises a substrate, an integrated double-gate GaN HEMT and two Si MOS, and the substrate, the integrated double-gate GaN HEMT and the two Si MOS are isolated through a passivation layer. The double-gate GaN HEMT is provided with a first gate and a second gate which are located between the source and the drain. And the source electrodes and the drain electrodes of the two Si MOS are respectively connected with the grid electrode and the source / drain electrode of the GaN HEMT through metal to form a cascode configuration. According to the enhanced double-gate bidirectional switch, the characteristics of low on resistance and rapid switching of the high-voltage GaN HEMT are combined with the advantages of easy driving and high reliability of the low-voltage Si MOS, the high-performance enhanced double-gate bidirectional switch is realized through monolithic integration, and the problems of large on resistance, high static power consumption, complex driving, large process difficulty and the like in a traditional scheme are effectively solved.
Owner:XIDIAN UNIV
Method for communicating connection and apparatus and electronic device thereof
ActiveCN116132593Bperfectly compatibleimprove service levelAutomatic exchangesComputer networkDistributed computing
The application provides a communication connection method and device and electronic equipment, the method comprises the following steps: initiating a communication request to a client based on a target service type; determining an evaluation parameter of each customer service in a corresponding customer service group according to a first priority coefficient of the corresponding customer service group and a strategy parameter of each customer service in the customer service group, wherein the strategy parameter of each customer service is obtained according to a routing strategy of the corresponding customer service group of the target service type; determining a communication priority of each customer service in the corresponding customer service group of the target service type according to the evaluation parameter of each customer service; and establishing a communication connection between the client and a customer service device corresponding to a target customer service according to the communication priority. The application can effectively improve the adverse effects such as low service level caused by uneven distribution of customer lists.
Owner:MASHANG CONSUMER FINANCE CO LTD
Preparation method of moth-eye structure SiO2 nano-cone parallel array
PendingCN122256879Areduce pollutionreduce healthSilicaVacuum evaporation coatingDeposition temperaturePtru catalyst
The application provides a preparation method of moth-eye structure SiO2 nanocone parallel array, and relates to the technical field of low-dimensional micromaterial preparation, and the method comprises the following steps: adopting a tubular furnace device, placing SiO powder after being fully ground in a tubular furnace reaction cavity filled with flowing protective gas, reacting at 1100-1150 DEG C for 3-4 h, and placing a substrate in a low-temperature area of the tubular furnace cavity to collect products; when the SiO2 nanocone parallel array is prepared, the protective gas flow is required to be controlled at 90-100 sccm; the growth position of the moth-eye structure SiO2 nanocone parallel array is controlled by a substrate area and a deposition temperature; the moth-eye structure SiO2 nanocone array is composed of parallel arranged SiO2 nanocones and nano particles on the top of the nanocones; the application has the advantages of simple method, rapid reaction, low cost, no pollution, high sample purity, no need to add a catalyst and the like; the prepared SiO2 nanocone parallel array can realize ordered growth in structure and size, and has application potential in the fields of catalysis, light filtering, light absorption, medicine and new materials and the like.
Owner:BOHAI UNIV
Epoxy adhesive for semiconductor chip packaging and preparation process thereof
ActiveCN120944501BImprove hydrophobicityIncrease crosslink densityNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesPolymer scienceSemiconductor chip
This invention relates to the field of epoxy adhesive technology, and discloses an epoxy adhesive for semiconductor chip packaging and its preparation process; including the following steps: Step 1: Epoxy resin and 3-(perfluorohexyl)epoxypropane are added to ethanol and mixed evenly, then 2-imidazolium-1-ethylamine is added, and the mixture is reacted at 50~60℃ for 4~6 hours to obtain modified epoxy resin; Step 2: Modified epoxy resin, modified polyurethane, defoamer, and diluent are vacuumed and stirred at 800~1200 rpm / min for 40~50 minutes, then nano zinc oxide and curing agent are added sequentially, and the stirring speed is reduced to 200~400 rpm / min for 1~2 hours to obtain epoxy adhesive.
Owner:JIANGSU SIRUIDA NEW MATERIAL TECH