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107results about How to "Implement extensions" patented technology

Memory expansion system, method and device

The invention relates to a memory expansion system, method and device. The memory expansion system comprises a plurality of memory modules; the host module is used for accessing the memory module according to system operation requirements; the signal switching modules and the memory modules are arranged in a one-to-one correspondence manner, and the signal switching modules are used for establishing access links between the host module and the memory modules, so that the host module accesses the memory modules; the interconnection control module is connected with the host module and the signal switching module, and the interconnection control module is used for determining a current interconnection topology network between the host module and the signal switching module and a current bandwidth of the host module; and the memory module is used for monitoring the real-time required bandwidth of the host module in real time and gating the signal switching module connected with the host module based on the current bandwidth and the real-time required bandwidth so as to redistribute access to the host module. Compared with the prior art, the running memory distributed on each host module can be dynamically adjusted in real time.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Memory device and control method based on computational fast link protocol

The embodiment of the invention provides memory equipment based on a computing fast link protocol and a control method. The memory device comprises a plurality of dynamic random access memories, a plurality of nonvolatile memories and a controller of the memory device, wherein the controller comprises a CXL subsystem; the cache manager is used for storing a cache table recording the mapping relation between the physical address of the equipment and the cache address; the controller of the dynamic random access memory is set to perform read or write operation on the dynamic random access memory according to the cache address; and the controller of the nonvolatile memory is set to perform read or write operation on the nonvolatile memory according to the equipment physical address so as to write the data from the dynamic random access memory into the nonvolatile memory, or read out the data from the nonvolatile memory so as to store the data into the dynamic random access memory. According to the embodiment of the invention, based on the existing server architecture, the expansion of the memory is realized, and the use cost of the memory is reduced.
Owner:CORE TREND (ZHUHAI) TECH CO LTD

Extensible rack of laser cutting machine

ActiveCN222154289UImplement extensionsSolve the problem of being unable to cut larger itemsLaser beam welding apparatusStructural engineeringLaser cutting
The utility model discloses an extensible rack of a laser cutting machine, which comprises a working table, an extension component is arranged on the outer side of the working table, a cutting moving component is arranged at the top of the working table, and a laser cutting main body is arranged at the top of the cutting moving component. First fixing columns are fixedly installed on the edges, close to the front side and the rear side, of the left side and the right side of the expansion table, clamping plates are connected between the adjacent first fixing columns and second fixing columns in a clamped mode, and handles are fixedly installed on the outer sides of the clamping plates. According to the extensible rack of the laser cutting machine, after fixing, the main body rack is aligned with the extension rack, the main body sliding groove is aligned with the extension sliding groove, and the gear can directly move to the extension rack when moving along the main body rack, so that it is guaranteed that the laser cutting main body can move to the position above the extension table after extension; therefore, expansion of the rack of the laser cutting machine is achieved, and the problem that large objects cannot be cut is solved.
Owner:WUXI KAILI MASCH MFG CO LTD

Multi-protocol Internet of Things system and multi-protocol Internet of Things soft gateway development method

The invention discloses a multi-protocol Internet of Things system and a multi-protocol Internet of Things soft gateway development method, belongs to the technical field of Internet of Things equipment management, and aims to solve the technical problem of compatibility of different communication protocol equipment accessing an Internet of Things platform. According to the technical scheme, the system comprises a device layer, a soft gateway layer and a cloud Internet of Things platform layer, the device layer transmits tcp device information, udp device information and websocket device information to the soft gateway layer through a protocol analysis plug-in, the analyzed tcp device information, udp device information and websocket device information are obtained, and the cloud Internet of Things platform layer sends the tcp device information, the udp device information and the websocket device information to the soft gateway layer. The soft gateway layer transmits the analyzed tcp device message, the udp device message and the websocket device message to a cloud Internet of Things platform layer through an MQTT protocol, and the cloud Internet of Things platform stores and analyzes the analyzed tcp device message, the udp device message and the websocket device message.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Diagnostic method, device and system of vehicle controller, electronic equipment and vehicle

The invention discloses a vehicle controller diagnosis method, device and system, electronic equipment and a vehicle, and belongs to the technical field of vehicles. The method comprises the steps that a diagnosis request message sent by diagnosis equipment is acquired, the diagnosis request message comprises a request address, and the request address is an address distributed from a first addressing interval; the request address is used for identifying a target controller needing to be diagnosed; the diagnosis request message is sent to a target controller identified by the request address, a diagnosis response message returned by the target controller is obtained, the diagnosis response message comprises a response address, and the response address is an address allocated from the second addressing interval; the response address is used for identifying a target controller sending the diagnosis response message; and sending the diagnosis response message to the diagnosis equipment, so that the diagnosis equipment diagnoses the target controller which responds to the address identifier according to the diagnosis response message. The configurable number of the controller diagnosis addresses is increased, more controller diagnosis can be supported, and the diagnosis efficiency of the controller is improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +2

Narrow pulse width multi-wavelength laser based on LED pumping

PendingCN119542902Astable outputAvoid single wavelength oscillation limitationsActive medium materialResonant cavityAcousto-optics
A narrow-pulse-width multi-wavelength laser based on LED pumping comprises a reflecting mirror, a first LED pumping module, an optical rotation crystal, a second LED pumping module, an acousto-optic Q-switched crystal and an output mirror which are sequentially connected in series. The LED pumping module comprises a laser rod located in the center, a glass sleeve is arranged on the periphery of the laser rod in the length direction, a supporting frame is arranged on the periphery of the glass sleeve, a plurality of sets of water-cooling copper blocks are evenly arranged on the supporting frame, and an LED stacking array is arranged on the side, close to the glass sleeve, of each set of water-cooling copper blocks. Each LED stacking array comprises an LED light bar and a PCB (Printed Circuit Board) for fixing the LED light bar, and the PCB is connected with the water-cooling copper block; cooling water circulation modules are arranged at the two ends of the laser rod in the length direction respectively, and water through holes are formed in the cooling water circulation modules and the water cooling copper blocks respectively. A laser resonant cavity system of the laser takes an LED as a pumping source, combines an acousto-optic Q-switching technology, and simultaneously realizes compression of laser pulse width and multi-wavelength output.
Owner:NANJING UNIV OF POSTS & TELECOMM

Manager for audio sound reinforcement hot backup system

The invention discloses a manager for an audio amplification hot backup system, which generates a detection signal according to a preset detection logic and sends the detection signal to a processing system, and the processing system comprises a main processing system and at least one backup processing system. The processing system generates a feedback signal according to the content of the detection signal and sends the feedback signal to the hot backup manager, and the hot backup manager obtains a detection result according to the content of the feedback signal and judges whether to switch a signal output channel of a local machine or output a switching control command to other equipment according to the detection result. The preset detection mode is any one or a combination of more of signal quality detection, network connection feedback detection and digital response detection, and the detection logic automatically switches proper system signal output according to the health condition of the main system and the standby system under the condition of default main system output, so that when the main system or the standby system has a fault, the system can be switched to the proper system signal output. And the other system can immediately take over the task and synchronously give out an alarm prompt.
Owner:SHENZHEN XINYI CHUANGDA TECHNOLOGY CO LTD

Light emitting diode epitaxial structure and display panel

ActiveCN224653904UReduce directional transportImplement extensions
The utility model relates to a kind of LED epitaxial structures, comprising: substrate;N type layer;Active layer is located on N type;P type layer, located on active layer;Wherein, the P type layer includes P type window layer, P type window layer includes several first laminated structure, each first laminated structure includes the GaInP layer, first GaP layer and second GaP layer of sequentially laminated, the P type doping concentration of second GaP layer in each first laminated structure is greater than the P type doping concentration of first GaP layer.The GaInP layer of the utility model has higher band gap, plays the role of optical window layer, can reduce light absorption loss;GaP has lower band gap, first GaP layer and second GaP layer play the role of buffer layer / transition layer, so the combination of GaInP layer, first GaP layer and second GaP layer realizes the balance of band matching and carrier transport efficiency, conducive to the efficient extension of current.
Owner:JIANGXI CHANGELIGHT SEMICONDUCTOR SCI-TECH CO LTD

Database configuration method and system, electronic equipment, medium and computer product

The invention provides a database configuration method and system, electronic equipment, a medium and a computer product. The database configuration method comprises the following steps: acquiring an initial database; wherein the initial database comprises all common requirements and a first configuration rule corresponding to any common requirement; querying an initial database according to the target demand; updating the initial database according to the query result; and determining the updated initial database as a target database. According to the method, the corresponding target database can be quickly generated according to the target demand of the customer or the production line through the templated initial database including the common demand, so that diversified demands are ensured, the generation efficiency of the target database is improved, and meanwhile, background personnel can maintain only the same initial database, so that the maintenance efficiency is improved. A plurality of clients or a plurality of production lines share the same initial database, so that the integrity of the overall underlying data can be ensured, the redundancy and rapid expansion of the stored data can be avoided, and the zero code expansion is realized.
Owner:CTRIP BUSINESS TRAVEL INFORMATION SERVICE (SHANGHAI) CO LTD

Power management method, device and equipment and computer readable storage medium

The invention discloses a power management method, device and equipment and a computer readable storage medium, and relates to the technical field of data center power supply, and the method comprises the steps: detecting the voltage of a first type address pin of a power module; the first type address pins of the power supply modules in the power supply frame are connected with the voltage nodes of the voltage division circuit, and the voltage nodes connected with the first type address pins of different power supply modules are different; detecting the level of a second type address pin of the power supply module; and determining the address of the power supply module according to the voltage of the first type of address pins and the level of the second type of address pins, so that a management unit manages the power supply module according to the address. According to the method, address extension can be realized under the conditions that I2C address extension equipment is not used and address pins of the power supply modules are not modified, addresses are allocated to the power supply modules in the power supply frame bodies, and unified management of the cascaded power supply frame bodies is facilitated.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Flexible charging method, platform and system based on communication base station

The invention discloses a flexible charging method, platform and system based on a communication base station. The method comprises the following steps: firstly, acquiring flexible surplus energy capacity of a communication base station in a preset range; acquiring a charging demand of the electric vehicle; then flexibly matching the charging demand of the electric vehicle with the surplus energy capacity of the communication base station to obtain a charging strategy; then, when the electric vehicle is connected to the communication base station to be charged, charging control is conducted on the electric vehicle based on the charging strategy; calculating the charging cost; and finally, after charging of the electric vehicle is finished, the charging cost is displayed for payment of a user, and flexible charging based on the communication base station is completed. According to the method, the charging current can be adjusted at any time according to changes of communication services, environment conditions and the like, the power supply safety of main services of the communication base station can be ensured, existing communication infrastructures can be flexibly integrated, comprehensive coverage and marketization selection are achieved, and the overall charging economical efficiency and convenience are improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

A dielectric waveguide resonator and a multimode dielectric waveguide resonator

The application discloses a dielectric waveguide resonator and a multimode dielectric waveguide resonator, which comprises a dielectric resonant cavity, the dielectric resonant cavity comprises a dielectric body and a metal plating layer wrapping an outer surface of the dielectric body; a metal loading interface is arranged in the dielectric body and is connected with the metal plating layer; the metal loading interface intersects with an intrinsic electric field direction of the dielectric resonant cavity to reduce a main mode frequency of the dielectric resonant cavity. Embodiments of the application provide a dielectric waveguide resonator and a multimode dielectric waveguide resonator, by adding a metal loading interface in a dielectric body of a dielectric waveguide resonator, the size, frequency and unloaded Q value of the dielectric waveguide resonator are kept unchanged, high-order mode harmonics are pushed away, the performance of a low-pass filter is improved, and loss is improved.
Owner:SHENZHEN SAMSUNG COMM TECH RES +1

A tablet keyboard protective case and tablet computer components

This utility model relates to the field of electronic device accessories technology, specifically to a tablet keyboard protective cover and a tablet computer assembly. The tablet keyboard protective cover includes: a first sleeve and a second sleeve rotatably connected. The keyboard is connected to the inner side of the first sleeve. The second sleeve includes a first support plate and a second support plate rotatably connected. The first support plate is rotatably connected to the first sleeve via a first flexible connecting part, and a protective shell is connected to the second support plate. A support member is rotatably connected to the side of the keyboard near the first flexible connecting part. The support member is connected to the first support plate via a second flexible connecting part, so that when the tablet keyboard protective cover is closed, the width direction of the support member rotates to be perpendicular to the plane of the keyboard; when the tablet keyboard protective cover is open to support the tablet computer, the width direction of the support member rotates to be parallel to the plane of the keyboard. This method extends the effective support surface during use, which helps to improve the stable support for the tablet computer.
Owner:SHENZHEN TESHILUN TECHNOLOGY CO LTD

Accessory of electronic equipment

The utility model relates to an accessory of electronic equipment, the accessory of the electronic equipment comprises a functional module and an interface structure, the interface structure is connected with the functional module, the interface structure is used for being connected with an interface of the electronic equipment, and the functional module can perform electric energy and / or signal transmission with the electronic equipment through the interface structure. Therefore, the function module executes the preset function. By arranging the interface structure, the accessory of the electronic equipment can be connected with the electronic equipment, electric energy and signal transmission can be carried out between the functional module of the accessory and the electronic equipment, predetermined functions except inherent functions of the electronic equipment are executed through the functional module, functions of the electronic equipment are expanded, and user experience is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Single sideband generator based on optical delay line

The present invention provides a single sideband signal generator, comprising: a modulator configured to generate a first modulated optical signal and a second modulated optical signal having the same amplitude; and the sideband suppression light circuit based on the first light delay line is used for generating a full-carrier single-side-band signal, and / or the sideband suppression light circuit based on the second light delay line is used for generating a carrier-suppressed single-side-band signal. The present invention simplifies the structure by saving half the space occupied by redundant signal electrodes, and also reduces the RF power consumption by half by removing an RF mixer. The provided single side band (SSB) signal generator has the advantages of compact structure, low cost and energy conservation. By reasonably designing the length of the optical delay line, the generator can be easily expanded to a higher frequency range on the premise of not needing extra cost.
Owner:CITY UNIVERSITY OF HONG KONG

A method for switching picture fan-shaped display and related system

The invention discloses a picture fan-shaped display switching method and a related system, comprising an input unit, a storage queue unit, a picture rotating ring unit, a rotating unit, and a display. The picture rotating ring is constructed, and the ring selection queue is determined according to the picture rotating ring. If the clockwise rotation is determined as the positive direction, the index of the picture on the right side of the display surface in the ring selection queue is positive, and the index of the picture on the left side of the display surface in the ring selection queue is negative. When rotating clockwise, the storage queue enters the end of the sequence with a positive index in the ring selection queue according to the first-in-first-out order; when rotating counterclockwise, the storage queue enters the end of the sequence with a negative index in the ring selection queue according to the first-in-last-out order; each time the rotation is performed, the index value after the rotation and the way in which the storage queue enters the ring selection queue are determined according to the rotation direction. The invention has high processing speed and low resource consumption.
Owner:NANJING WEIXIAOBAO INFORMATION TECH CO LTD

Distributed correction method for Beidou satellite navigation system against forwarding attacks

The invention belongs to the technical field of distributed correction of navigation systems, and discloses a distributed correction method for a Beidou satellite navigation system for forwarding attacks, comprising S1, homology analysis of forwarding attacks of the Beidou system: a Beidou system simulation positioning program realizes positioning of an unmanned vehicle from satellite information, and analyzes the homology of the attack according to the positioning; S2, system modeling under homology attacks: according to homology signals received from different devices of the same information source, the forwarding attack is regarded as a homology sensor attack, and a system model subjected to the forwarding attack is constructed based on this; S3, design of an observer and selection of a gain matrix: an observer is designed to realize positioning correction of the Beidou system under forwarding attacks; S4, reconstructing system positioning; the invention combines the characteristics of attack homology in a distributed system and the reconstructed state characteristics of a security state observer to realize positioning correction under attacks.
Owner:BEIJING UNIV OF CHEM TECH

Urban wall spectral information disease detection model establishment method, detection method and system

The invention discloses a city wall spectral information disease detection model establishment method, a detection method and a system, which eliminate the influence caused by equipment dark current and a shooting angle in a shooting process and ensure that the finally obtained spectral data is closer to the spectral reflection characteristic of a real object. According to the method, the spatial information is combined to construct finer and more specific spatial-spectral features, spectral information expansion from a sparse channel to multiple channels is realized, missing spectral information in original data is supplemented, and the accuracy of urban wall disease detection is improved. And meanwhile, through the feature fusion network, the problem of low classification precision caused by insufficient features under a single feature is solved, pixel-by-pixel accurate prediction is realized, and the technical problem of low accuracy of city wall disease detection in the prior art is solved.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Dental repair polisher

The invention discloses a tooth repair sander, and relates to the technical field of oral cavity cleaning, the tooth repair sander comprises a sander main body, a grinding head and a bending mechanism, the bending mechanism is arranged at the bottom end of the sander main body, and the bending mechanism comprises a fourth rotating shaft rotatably connected to the bottom end of the sander main body; a first transmission gear is fixedly connected to the lower end of the fourth rotating shaft, a second rotating shaft is rotatably connected to the left side of the arc surface of the lower end of the sander body, a rotating seat is fixedly connected to the bottom end of the second rotating shaft, a second transmission gear is fixedly connected to the middle section of the outer surface of the second rotating shaft, and a connecting rod is inserted into the arc surface of the rotating seat; a plurality of connecting rods are arranged, every two connecting rods form a group, and a flexible push block is fixedly connected between the ends, away from the rotating seat, of every two vertically adjacent connecting rods, so that the grinding head can smoothly touch and effectively grind the inner side area of the tooth, and the overall flexibility and accuracy of tooth grinding operation are improved.
Owner:TOBOOM SHANGHAI PRECISE ABRASIVE TOOL

Pesticide spraying device for soil remediation

The invention provides a pesticide spraying device for soil remediation, and relates to the technical field of pesticide spraying devices. A liquid storage tank is fixed to the top end face of the vehicle body. A cover plate is fixed to the top of the liquid storage tank. Two first mounting blocks of rectangular block structures are fixed to the left side of the top end face of the vehicle body, a first electric cylinder is fixed to the rear end face of each first mounting block, the extending ends of the two first electric cylinders are fixed to a first mounting base, and a first guide rod is welded to the top end face of the first mounting base; a mounting arm is slidably arranged on the first guide rod in a limiting mode, a spray pipe is rotatably arranged on the mounting arm, and spray heads are mounted on the spray pipe in a linear array mode. The innovation of the liquid storage tank and the auxiliary structure is as follows: on one hand, the liquid storage tank is limited and fixed through clamping of the clamping groove and the auxiliary block, a screw does not need to be independently used, and disassembly and assembly are convenient and fast; and on the other hand, the auxiliary block is not only used for limiting the liquid storage tank, but also matched with the mounting arm to achieve height adjustment of the spray pipe, the structure is more reasonable, and cost is saved.
Owner:山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心山东省土地储备中心)

Microsatellite simulation device for multi-view fusion perception

The invention discloses a microsatellite simulation device for multi-view fusion perception. The microsatellite simulation device is characterized in that a microsatellite shell is of a hexahedron structure; the air floatation system provides a three-degree-of-freedom zero-gravity environment for the microsatellite simulation device; the control system comprises a control unit and a control execution mechanism, wherein the control unit receives pose information sent by the external central intelligent processor and performs pose control on the microsatellite simulation device; the control execution mechanism receives the pose control signal of the control unit and executes the pose adjustment of the microsatellite simulation device; the power supply system comprises a storage battery, a power supply controller and a connecting cable, and provides sufficient energy for other systems; the visual perception system comprises a longitudinal visual angle compensation mechanism, a visual camera and an image acquisition and calculation unit and is used for target multi-angle image acquisition. Motion control and visual perception of the microsatellite base are achieved, and support is provided for ground verification of the microsatellite cooperation technology.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

GNSS module with integrated communication and navigation and GNSS channel expansion method

The embodiment of the present invention discloses a communication and navigation integrated GNSS module and a GNSS channel expansion method, wherein the module includes an ARM main control, a power divider, an antenna and a plurality of GNSS chips, wherein the plurality of GNSS chips are connected to the antenna through the power divider, the ARM main control is connected to the plurality of GNSS chips, and each GNSS chip sends a PPS pulse signal to the ARM main control; the ARM main control controls each GNSS chip to search for satellite data of different galaxies respectively; one of the GNSS chips is selected as a PPS reference, and the PPS of the GNSS chip used as the reference is synchronized to the remaining GNSS chips to complete the time synchronization of the plurality of GNSS chips; the ARM main control fuses the collected plurality of original observation data into one original observation, and outputs standard NMEA data. The present invention uses a plurality of GNSS chips with a low number of channels to simultaneously capture different satellite systems, realizes observation value synchronization through the time synchronization of the plurality of GNSS chips, and then realizes the expansion of the number of channels, while greatly reducing the cost.
Owner:ALLYSTAR TECH SHENZHEN CO LTD

Toothbrush disinfection box and toothbrush device

ActiveCN222304405UMeet expansion needsImplement extensionsLavatory sanitoryHeating arrangement
The utility model provides a toothbrush disinfection box and a toothbrush device. The toothbrush disinfection box comprises a first box body and a second box body, a first disinfection cavity is formed in the first box body, the first box body is provided with a first disinfection drying module and a power supply module, the power supply module is electrically connected with the first disinfection drying module, a first conductive contact is arranged on the outer side surface of the first box body, and the power supply module is electrically connected with the first conductive contact; each second box body is provided with a second disinfection cavity and is provided with a second disinfection drying module, the outer side surface of each second box body is provided with a second conductive contact, and the second conductive contacts are electrically connected with the second disinfection drying modules; the first box body and the second box body are detachably connected, and the first conductive contact and the second conductive contact are electrically connected. The first box body and the second box bodies are installed together, so that the first conductive contacts on the first box body make contact with the second conductive contacts on the second box bodies to achieve electric connection, and the multiple second box bodies can be expanded according to requirements.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Display device

The utility model provides a display device, a first display structure is rotatably connected with a main body, the first display structure comprises a first display assembly, the first display assembly is provided with a first soft plate, the first soft plate comprises a first connecting end and a touch control part, and the first connecting end is connected with a control assembly; the second display structure is in sliding connection with the first display structure, the second display structure comprises a second display assembly and a control part, and the second display assembly is electrically connected with the control assembly through a second flexible board; when the second display structure is located at the initial position, the control part is separated from the touch part, and the first display assembly is in a closed state; when the second display structure is located at the termination position, the control part makes contact with the touch control part, and the first display assembly is in a working state. According to the display device, screen expansion is achieved, operation is convenient, the structure is simple, the more efficient and convenient use requirements of a user can be met, and the experience feeling of the user is improved.
Owner:HEFEI LCFC INFORMATION TECH

Multi-interface integrated wiring device and equipment box

The utility model provides a multi-interface integrated wiring device and an equipment box, and belongs to the field of outdoor equipment boxes, the device comprises a switch chip, a main controller and a WAN interface used for being connected with a WAN port of an external 4G router, and the WAN interface is connected with the switch chip; the main controller is connected with the switch chip, and the switch chip is connected with the Ethernet interfaces. The device further comprises a main 485 chip. The master 485 chip is connected with a plurality of slave 485 chips and a master 485 signal input interface used for being connected with an external RTU (Remote Terminal Unit) telemetering terminal; and each slave 485 chip is connected with an RS485 interface. The device further comprises a four-channel DC-DC converter and a power input interface used for being connected with a solar controller of an external solar power supply system. And the four-channel DC-DC converter is connected with the power supply input interface. The wiring device is integrated in the equipment box. The problem that the number of interfaces is insufficient is solved. And direct currents with different voltages are prevented from being directly provided for external equipment by the solar controller.
Owner:SHANDONG FENGSHI INFORMATION TECH CO LTD

Message processing method and device, equipment, storage medium and computer program product

The invention relates to a message processing method and device, equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an original message and a target message type corresponding to the original message, determining a target encoder from a plurality of candidate encoders based on the target message type and a first preset relationship between the message type and the candidate encoders, encoding the original message by adopting the target encoder to obtain an encoded message, and sending the encoded message to a server; and sending the coded message to a receiving end, so that the receiving end decodes the coded message by adopting a decoder corresponding to the target message type. According to the embodiment of the invention, the target encoder is determined from the plurality of candidate encoders, the target encoder is adopted to encode the original message to obtain the encoded message, and the encoded message is sent to the receiving end, so that communication between the sending end and the receiving end can be realized; different communication protocols can repeatedly use the communication processing logic provided by the embodiment, so that the development efficiency of the communication protocols is improved.
Owner:CONTEMPORARY AMPEREX FUTURE ENERGY RES INST (SHANGHAI) LTD +1

User transformation analysis method and device and electronic equipment

The invention provides a user transformation analysis method and device and electronic equipment, and the method comprises the steps: carrying out SQL analysis processing on funnel event label data, a calculation time interval and a transformation window period, and generating a transformation data query statement corresponding to each calculation date; analyzing the customer group label data by using a label cube model, determining a customer group query rule indicated by the customer group label data, and generating a customer group query statement corresponding to the target customer group according to the customer group query rule; performing SQL (Structured Query Language) assembly conversion on the customer group query statement and the conversion data query statement corresponding to each calculation date by utilizing a label cube model, and generating a conversion summary query statement corresponding to a calculation time interval; and according to the conversion summary query statement, determining a conversion analysis result of the target customer group for the funnel event. According to the method, the label cube and the window sliding function are combined to jointly realize the reserved transformation analysis of the target customer group, so that complex data calling and calculation are avoided, and the analysis efficiency is improved.
Owner:BEIJING PACTERA JINXIN TECH LTD

Carrier plate referring to SMARC protocol interface

The utility model discloses a carrier plate of a reference SMARC protocol interface, which comprises an MXM3 connector, a voice modulation module, an SD interface expansion module, an HDMI interface expansion module, a network cable interface expansion module, a USB interface expansion module, a screen interface expansion module, a camera expansion module and a serial communication expansion module. The MXM3 connector is respectively connected with the voice modulation module, the SD interface extension module, the HDMI interface extension module, the USB interface extension module, the screen interface extension module, the camera extension module and the serial communication extension module. In the scheme of the utility model, the MXM3 connector is utilized to set the module compatible with the SMARC protocol, so that other interfaces are expanded in the data transmission process, and the expansibility and compatibility of the core board circuit are improved.
Owner:BEIJING DIGITAL CHINA CLOUD COMPUTING CO LTD

A multi-base multi-target positioning method and system based on mobile platform

The present invention belongs to the technical field of underwater acoustic positioning, and specifically, relates to a multi-base multi-target positioning method based on a mobile platform, the method comprising: obtaining echo signals received by multiple moving receiving points AP to form an echo signal matrix, and establishing a sparse DPD vector signal model based on the echo signal matrix; constructing an optimization cost function for target distribution according to the established sparse DPD vector signal model; and restoring the target distribution matrix according to the solution result of the above-mentioned optimization cost function to obtain multiple target distribution maps.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Signal processing method and device and computer readable storage medium

The invention discloses a signal processing method and device and a computer readable storage medium, and relates to the technical field of signal processing, and the method comprises the steps: obtaining an original signal to be subjected to signal processing, and the signal type of the original signal comprises a bone conduction signal; extracting signal features of the original signal; the signal features are input into a pre-trained frequency band expansion model to obtain a target bandwidth signal, the frequency band expansion model comprises a low-frequency feature analysis network, a high-frequency signal prediction network and a fusion network which are connected in sequence, the low-frequency feature analysis network is used for analyzing the fusion signal features, and the high-frequency signal prediction network is used for predicting the fusion signal features; the high-frequency signal prediction network is used for predicting high-frequency signals, and the fusion network is used for fusing the high-frequency signals and original signals. According to the method, the definition of the bone conduction signal is improved, so that the processed bone conduction signal has better hearing feeling.
Owner:GOERTEK INC +1